Private Well Water Quality Susquehanna County Dimock PA

Comment

1. Without predrilling data, it is not possible to comment on the cause for any water quality problems.

2. Where possible, I have noted situations where elevated levels of a water quality parameter exists in Pennsylvania.

3. If duplicate analysis provided, I attempted to use the highest reported value.

4. New Document - http://water.epa.gov/action/advisories/drinking/upload/dwstandards2011.pdf

5. This is not about cause and effect; it is about a review of the data.

Well – HW-20 (1/30/2012)

With the exception of the following parameters, the remaining values were reported as NOT Detected (U)

Heterotrophic Bacteria – 67 colonies per 100 ml ( I do not understand the J value).  The drinking water limit is < 500 colonies per 100 ml (OK).

Total Coliform < 1 colony per 100 ml (OK)

Aluminum – < 0.030 mg/L (Total) - drinking water standard ranges from 0.05 to 0.2 mg/L.   This parameter is regulated as a secondary drinking water standard, because of aesthetic reasons.   The treated water level of aluminum is < 0.030 mg/L.  (OK)

Anionic Surfactants –< 0.01 mg/L – the secondary drinking water standard for foaming agents is 0.5 mg/L.  (OK)

http://www.chemetrics.com/products/pdf/detergents.pdf

Arsenic – < 0.002 mg/L – drinking water standard is <  0.010 mg/L – this does not suggest any specific impact and arsenic is a common problem in NEPA – about 6 % of private wells have arsenic above 0.010 mg/L.  The treated water level of arsenic was

< 0.002 mg/L and treated and filtered < 0.002 mg/L.  (OK)

http://www.water-research.net/arsenic.htm

Barium – 0.0328 mg/L – the primary drinking water standard for barium is 2.0 mg/L –– this does not suggest any specific impact and barium is typically detectable in non-saline impacted water at a level of less than 1 mg/L. After treatment, the concentration is 0.0329 mg/L.  (OK)

Bromide – < 0.5 mg/L - In freshwater, bromide is typically less than 0.05 mg/L. Therefore, it would be advisable to retest using a method with a lower detection limit.

Other References

http://www.cdph.ca.gov/certlic/drinkingwater/Pages/MCLReview2012.aspx
http://water.epa.gov/scitech/drinkingwater/dws/ccl/ccl3.cfm#chemical

Boron –< 0.050 mg/L (Total) – no specific drinking water standard drinking water standard is available. EPA appears to have a long-term health advisory of 2.0 mg/L, but other states have limits that range from 0.6 to 1 mg/L.  

Source: http://www.epa.gov/ogwdw/ccl/pdfs/reg_determine2/healthadvisory_ccl2-reg2_boron_summary.pdf

http://www.who.int/water_sanitation_health/dwq/boron.pdf

Calcium- 22.40 mg/L (Total)– no specific drinking water standard drinking water standard is available.  After treatment, the level of Calcium is 22.10 mg/L.(OK)

Chloride –3.41 mg/L (OK) – drinking water standard is <  250 mg/L – this does not suggest any specific impact.   After treatment, the reported value was 3.1 mg/L (OK).

Chromium-< 0.002 mg/L (D) and the EPA/ PADEP primary drinking water standard is

< 0.100 mg/L (OK).

Copper – 0.0045 mg/L  (Untreated) - the secondary drinking water standard is 1.0 mg/L and the primary drinking water standard is 1.3 mg/L. (OK)  At the tap the level was 0.0039 mg/L.

Ethane –< 0.0012 mg/L  – No specific drinking water standard (OK)

Fluoride – 0.109 mg/L – drinking water standard is < 2 mg/L- PADEP drinking water standard is 2 mg/L.   After treatment, the reported value was 0.124 mg/L (OK).

Iron – < 0.100 mg/L (Total) – Iron is regulated as a secondary drinking water standard in Pennsylvania and the action limit is 0.3 mg/L.  Therefore, the total iron content does not exceed the secondary drinking water standard.  (OK)

Lead – 0.0024 mg/L (Total) - Lead is regulated as a primary standard (EPA and PA) at 0.015 mg/L, but the action level in PA for source water is 0.005 mg/L. (OK)

Lithium – < 0.200 mg/L (Total) – no specific drinking water standard drinking water standard is available, but EPA has recommend a level be below 0.7 mg/L    (OK)

http://www.water-research.net/Waterlibrary/privatewell/lithium.pdf

Methane –  < 0.0095 mg/L   – No specific drinking water standard.  The well water is below the new action limit of 7 mg/L.   After treatment, the level of methane is < 0.0095 mg/L. For more details, go to http://www.water-research.net/methanegas.htm

Magnesium-5.71 mg/L– no specific drinking water standard drinking water standard is available.  (OK)  The treated water level of magnesium was 5.57 mg/L.

Manganese– 0.0026 mg/L (Total) – Manganese is regulated as a secondary drinking water standard in Pennsylvania and the action limit is 0.05 mg/L.  Therefore, the total manganese content does not exceed the secondary drinking water standard.   After treatment the level is 0.0023 mg/L. (OK)

Nickel – < 0.001 mg/L  – no specific drinking water standard drinking water standard

is available, but the EPA has suggest a MCL of 0.1 mg/L.   (OK) 

http://www.epa.gov/ogwdw/pdfs/factsheets/ioc/tech/nickel.pdf

Potassium – <  2.0 mg/L (Total–  no specific drinking water standard drinking water standard is available (OK)

Sodium –6.21  mg/L  – no specific drinking water standard drinking water standard is available, but the EPA has added it to the Candidate List to provide more analysis.  The EPA’s initial value of 20 mg/L has been clearly identified as not realistic.  When chloride (salt is sodium chloride) is present at a concentration of over 250 mg/L, the water can have an “off” taste. At 400+ mg/L chloride, the water will taste definitely salty. (Source- Dr. Brian Redmond, Professional Geologist).  After treatment, the level was 6.04 mg/L. (OK)

Sulfate –5.73 mg/L (OK) – drinking water standard is <  250 mg/L – this does not suggest any specific impact.

Strontium – < 0.200 mg/L   – no specific drinking water standard drinking water standard is available, but it is on the EPA Candidate List.  The EPA recommends that drinking water levels of nonradioactive strontium should not be more than 4 mg/L.  The report limit is consistent with background levels in Northeastern Pennsylvania.  If the background level was above 4 mg/L, it would be advisable to test for radiological parameters, especially alpha/beta.  (OK)  After treatment, the level is < 0.200 mg/L.

Total Dissolved Solids  – 48 mg/L  (Value appears low) – Total Dissolved Solids is regulated as a secondary drinking water standard by the PADEP in Pennsylvania and the action limit is 500 mg/L.  After treatment, the level was 109 mg/L (OK- Retesting Recommended).

Total Suspended Solids - < 10 mg/L – no standard, but would recommend retesting to obtain a lower detection limit.

Uranium –< 0.001 mg/L (Total) – Uranium is regulated as a primary drinking water standard by the EPA and PADEP in Pennsylvania and the action limit is 0.030 mg/L.  (OK)

Zinc  –0.0127 mg/L – Zinc is regulated as a secondary drinking water standard by the PADEP in Pennsylvania and the action limit is 5.0 mg/L. After treatment, the level of zinc was 0.0158 mg/L. (OK)

Nitrate+Nitrite- N – 0.42 mg/L, this is well below the EPA / PADEP drinking water limit of 10mg N/L for nitrate-N and would also be below the limit of 1.0 mg N/L for nitrite-N. (OK)

Acetone - the reported value was < 0.002 mg/L.  PADEP has a Medium Specific Concentration (MSC) for aquifers with a TDS of < 2500 mg/L of 33.0 mg/L and Massachusetts appears to have a drinking water standard of 6.3 mg/L. (OK)

http://www.mass.gov/dep/water/drinking/standards/acetone.htm

Bromoform – < 0.0005 mg/L – the Total Trihalomethane Group has a limit of 0.08 mg/L, but bromoform should be less than 0.004 mg/L.  (OK)

http://www.water-research.net/trihalomethanes.htm

Methyl ethyl ketone – < 0.002 mg/L in the treated water and untreated water. (OK)

Methyl ethyl ketone is a colorless volatile liquid that is soluble in water. The odor threshold for methyl ethyl ketone is 5.4 parts per million (ppm), with an acetone-like odor reported. Methyl ethyl ketone is also referred to as 2-butanone.   The EPA and PADEP has not set a drinking water standard, but it appears that Massachusetts has set a level of 4 mg/L.

http://www.epa.gov/ttn/atw/hlthef/methylet.html

http://www.npi.gov.au/substances/methyl-ethyl-ketone/health.html

http://www.mass.gov/dep/water/drinking/standards/meketone.htm

Ethylene glycol –  the reported value is < 10 mg/L – there is not standard, but the EPA has a guidance limit of < 7 mg/L.  Other states have lower and higher standards:

New Jersey 0.300 mg/L (300 ppb)

Arizona 5.5 mg/L (5500 ppb)

New Hampshire 7.0 mg/L (7000 ppb)

Florida, Massachusetts, and Minnesota14.0 mg/L (14,000 ppb)

Minnesota

At a minimum, I would recommend retesting for ethylene glycol other and glycol-type compounds using a method that is more sensitive or conducting some type of standard additions analysis.  In addition, it would be advisable to retest the level of total dissolved solids and conduct a first flush test for copper, lead, and zinc.

This document can not be copied in whole or part without the expressed written permission of Mr. Brian Oram, B.F. Environmental Consultants Inc. http://www.bfenvironmental.com

Do you want to make a positive change in PA - that will cost you NO Money?
Help Support the Citizens Groundwater and Surfacewater Database and Submit Your Baseline Data !

 Free Information on Drinking Water Quality - http://www.water-research.net

Dimock Well Water HW-9 Acetone, Arsenic, Barium, Copper, Lead, Lithium, ethane, methane, glycols Pennsylvania

Comment

1. Without predrilling data, it is not possible to comment on the cause for any water quality problems.

2. Where possible, I have noted situations where elevated levels of a water quality parameter exists in Pennsylvania.

3. If duplicate analysis provided, I attempted to use the highest reported value.

4. New Document - http://water.epa.gov/action/advisories/drinking/upload/dwstandards2011.pdf

5. This is not about cause and effect; it is about a review of the data.

6. A Well by Well - Review of the Data for Dimock, PA collected by EPA

Well – HW-9 (2/3/2012)

With the exception of the following parameters, the remaining values were reported as NOT Detected (U)

Anionic Surfactants – < 0.01 mg/L – the secondary drinking water standard for foaming agents is 0.5 mg/L.  (OK)

http://www.chemetrics.com/products/pdf/detergents.pdf

Arsenic – 0.001 mg/L – drinking water standard is <  0.010 mg/L – this does not suggest any specific impact and arsenic is a common problem in NEPA – about 6 % of private wells have arsenic above 0.010 mg/L. 

http://www.water-research.net/arsenic.htm

Barium – 0.106 mg/L – the primary drinking water standard for barium is 2.0 mg/L –– this does not suggest any specific impact and barium is typically detectable in non-saline impacted water at a level of less than 1 mg/L. (OK)

Boron –< 0.050 mg/L (Total) – no specific drinking water standard drinking water standard is available. EPA appears to have a long-term health advisory of 2.0 mg/L, but other states have limits that range from 0.6 to 1 mg/L.   Therefore, this does not appear to suggest any form of impact.  (OK)

Source: http://www.epa.gov/ogwdw/ccl/pdfs/reg_determine2/healthadvisory_ccl2-reg2_boron_summary.pdf

http://www.who.int/water_sanitation_health/dwq/boron.pdf

Calcium- 23.4 mg/L (Total)– no specific drinking water standard drinking water standard is available.  (OK) – the value seems low.

Chloride –13.8 mg/L (OK) – drinking water standard is <  250 mg/L – this does not suggest any specific impact.

Chromium- < 0.002 mg/L (D) and the EPA/ PADEP primary drinking water standard is < 0.100 mg/L (OK).

Copper – 0.00375 mg/L (OK)- the secondary drinking water standard is 1.0 mg/L and the primary drinking water standard is 1.3 mg/L. (OK)

Ethane – < 0.0012 mg/L  – No specific drinking water standard (OK)

Fluoride – < 0.1 mg/L (OK) – drinking water standard is < 2 mg/L- PADEP drinking water standard is 2 mg/L.

Iron – < 0.100 mg/L (Total)) – Iron is regulated as a secondary drinking water standard in Pennsylvania and the action limit is 0.3 mg/L.  Therefore, the total iron content does not exceed the secondary drinking water standard.  (OK)

Lead – 0.0016 mg/L (Total) - Lead is regulated as a primary standard (EPA and PA) at 0.015 mg/L, but the action level in PA for source water is 0.005 mg/L. Because of the hits for copper and lead, it is possible that the nuisance bacteria may be causing some corrosion related problems  (MIC) and it may be worth conducting a first flush analysis of the water. MIC – Microbiologically Induced Corrosion – Problem recommend inspection of the well, camera survey, shock disinfection, and retesting.  This is a common problem in NEPA.  (OK) = Level below all action limits, but monitoring recommended.

Lithium – < 0.200 mg/L (Total) – no specific drinking water standard drinking water standard is available, but EPA has recommend a level be below 0.7 mg/L    (OK)

http://www.water-research.net/Waterlibrary/privatewell/lithium.pdf

Methane –  0.0043 mg/L (J-actually below the detection limit for the method)  – No specific drinking water standard. (OK). The well water  is not above the new action limit of 7 mg/L. For more details, go to http://www.water-research.net/methanegas.htm

Magnesium-4.00 mg/L– no specific drinking water standard drinking water standard is available.  (OK)

Manganese– 0.0013 mg/L (Total) – Manganese is regulated as a secondary drinking water standard in Pennsylvania and the action limit is 0.05 mg/L.  Therefore, the total manganese content does NOT exceed the secondary drinking water standard.   (OK)

Nickel – 0.0014 mg/L  – no specific drinking water standard drinking water standard

is available, but the EPA has suggest a MCL of 0.1 mg/L.   (OK)

http://www.epa.gov/ogwdw/pdfs/factsheets/ioc/tech/nickel.pdf

Sodium –8.48  mg/L  (D) – no specific drinking water standard drinking water standard is available, but the EPA has added it to the Candidate List to provide more analysis.  The EPA’s initial value of 20 mg/L has been clearly identified as not realistic.  When chloride (salt is sodium chloride) is present at a concentration of over 250 mg/L, the water can have an “off” taste. At 400+ mg/L chloride, the water will taste definitely salty. (Source- Dr. Brian Redmond, Professional Geologist). (OK)

Sulfate –18. 7 mg/L (OK) – drinking water standard is <  250 mg/L – this does not suggest any specific impact.

Strontium – < 0.200 mg/L   – no specific drinking water standard drinking water standard is available, but it is on the EPA Candidate List.  The EPA recommends that drinking water levels of nonradioactive strontium should not be more than 4 mg/L.  The report limit is consistent with background levels in Northeastern Pennsylvania.  If the background level was above 4 mg/L, it would be advisable to test for radiological parameters, especially alpha/beta.  (OK)

Total Dissolved Solids  – 110 mg/L   – Total Dissolved Solids is regulated as a secondary drinking water standard by the PADEP in Pennsylvania and the action limit is 500 mg/L. 

Total Suspended Solids - < 10 mg/L – no standard, but would recommend retesting to obtain a lower detection limit.

Uranium –0.0021 mg/L (Total) – Uranium is regulated as a primary drinking water standard by the EPA and PADEP in Pennsylvania and the action limit is 0.030 mg/L.  (OK)

Zinc  –0.0206 mg/L – Zinc is regulated as a secondary drinking water standard by the PADEP in Pennsylvania and the action limit is 5.0 mg/L.  (OK)

Nitrate+Nitrite- N – 2.41 mg/L, this is well below the EPA / PADEP drinking water limit of 10mg N/L for nitrate-N and would also be below the limit of 1.0 mg N/L for nitrite-N. (OK)

Acetone - the reported value was 0.0031 mg/L (J- actually below the actual water limit of  < 0.002 mg/L) and no trigger limit is reported, but PADEP has a Medium Specific Concentration (MSC) for aquifers with a TDS of < 2500 mg/L of 33.0 mg/L and Massachusetts appears to have a drinking water standard of 6.3 mg/L. (OK)

http://www.mass.gov/dep/water/drinking/standards/acetone.htm

Ethylene glycol –  the reported value is < 10 mg/L – there is not standard, but the EPA has a guidance limit of < 7 mg/L.  Other states have lower and higher standards:

New Jersey 0.300 mg/L (300 ppb)

Arizona 5.5 mg/L (5500 ppb)

New Hampshire 7.0 mg/L (7000 ppb)

Florida, Massachusetts, and Minnesota14.0 mg/L (14,000 ppb)

Minnesota

At a minimum, I would recommend retesting for ethylene glycol other and glycol-type compounds using a method that is more sensitive or conducting some type of standard additions analysis.

1. No major problems

2. Recommend additional testing for nitrite.

3. Arsenic was detected.

4. Copper, lead, and zinc detected this could suggest a corrosion related problem. This is a common problem in NEPA

Document can not be copied in whole or part without the expressed written permission of Mr. Brian Oram, B.F. Environmental Consultants Inc. http://www.bfenvironmental.com

Do you want to make a positive change in PA - that will cost you NO Money?
Help Support the Citizens Groundwater and Surfacewater Database and Submit Your Baseline Data !

 Free Information on Drinking Water Quality - http://www.water-research.net

Well Water Dimock Pennsylvania HW-7 February 2012 EPA barium, manganese, lead, copper, nickel, zinc

Comment

1. Without predrilling data, it is not possible to comment on the cause for any water quality problems.

2. Where possible, I have noted situations where elevated levels of a water quality parameter exists in Pennsylvania.

3. If duplicate analysis provided, I attempted to use the highest reported value.

4. New Document - http://water.epa.gov/action/advisories/drinking/upload/dwstandards2011.pdf

5. This is not about cause and effect; it is about a review of the data.

 6. A Well by Well - Review of the Data for Dimock, PA collected by EPA

Well – HW-7 (2/15/2012)

With the exception of the following parameters, the remaining values were reported as NOT Detected (U)

Anionic Surfactants – < 0.01 mg/L – the secondary drinking water standard for foaming agents is 0.5 mg/L.  (OK)

http://www.chemetrics.com/products/pdf/detergents.pdf

Barium – 0.137 mg/L – the primary drinking water standard for barium is 2.0 mg/L –– this does not suggest any specific impact and barium is typically detectable in non-saline impacted water at a level of less than 1 mg/L. (OK)

Boron –< 0.050 mg/L (Total) – no specific drinking water standard drinking water standard is available. EPA appears to have a long-term health advisory of 2.0 mg/L, but other states have limits that range from 0.6 to 1 mg/L.   Therefore, this does not appear to suggest any form of impact.  (OK)

Source: http://www.epa.gov/ogwdw/ccl/pdfs/reg_determine2/healthadvisory_ccl2-reg2_boron_summary.pdf

http://www.who.int/water_sanitation_health/dwq/boron.pdf

Calcium- 36.5 mg/L (Total)– no specific drinking water standard drinking water standard is available.  (OK) – the value seems low.

Chloride –23.60 mg/L (OK) – drinking water standard is <  250 mg/L – this does not suggest any specific impact.

Chromium- < 0.002 mg/L (D) and the EPA/ PADEP primary drinking water standard is < 0.100 mg/L (OK).

Copper – 0.0075 mg/L (OK)- the secondary drinking water standard is 1.0 mg/L and the primary drinking water standard is 1.3 mg/L. (OK)

Ethane – < 0.0012 mg/L  – No specific drinking water standard (OK)

Fluoride – < 0.1 mg/L (OK) – drinking water standard is < 2 mg/L- PADEP drinking water standard is 2 mg/L.

Iron – < 0.100 mg/L (Total)) – Iron is regulated as a secondary drinking water standard in Pennsylvania and the action limit is 0.3 mg/L.  Therefore, the total iron content does not exceed the secondary drinking water standard.  (OK)

Lead – 0.0032 mg/L (Total) and < 0.001 mg/L (D)- Lead is regulated as a primary standard (EPA and PA) at 0.015 mg/L, but the action level in PA for source water is 0.005 mg/L. Because of the hits for copper and lead, it is possible that the nuisance bacteria may be causing some corrosion related problems – Call MIC – Microbiologically Induced Corrosion – Problem recommend inspection of the well, camera survey, shock disinfection, and retesting.  This is a common problem in NEPA.  (OK) = Level below all action limits, but monitoring recommended.

http://www.water-research.net/lead.html

Lithium – < 0.200 mg/L (Total) – no specific drinking water standard drinking water standard is available, but EPA has recommend a level be below 0.7 mg/L    (OK)

Methane –  0.057 mg/L  – No specific drinking water standard. (OK).

The well water  is not above the new action limit of 7 mg/L. For more details, go to http://www.water-research.net/methanegas.htm

Magnesium-7.64 mg/L (D)– no specific drinking water standard drinking water standard is available.  (OK)

Manganese– 0.148 mg/L (Total) and 0.0456 mg/L (Dissolved) – Manganese is regulated as a secondary drinking water standard in Pennsylvania and the action limit is 0.05 mg/L.  Therefore, the total manganese content does exceed the secondary drinking water standard.   (OK)- May be advisable to check for iron related bacteria.  Water may be associated have a black precipitate.

http://www.water-research.net/iron.htm

Nickel – 0.0031 mg/L (T ) – no specific drinking water standard drinking water standard

is available, but the EPA has suggest a MCL of 0.1 mg/L.   (OK)

http://www.epa.gov/ogwdw/pdfs/factsheets/ioc/tech/nickel.pdf

Sodium –9.27 mg/L  (D) – no specific drinking water standard drinking water standard is available, but the EPA has added it to the Candidate List to provide more analysis.  The EPA’s initial value of 20 mg/L has been clearly identified as not realistic.  When chloride (salt is sodium chloride) is present at a concentration of over 250 mg/L, the water can have an “off” taste. At 400+ mg/L chloride, the water will taste definitely salty. (Source- Dr. Brian Redmond, Professional Geologist). (OK)

Sulfate –10. 4 mg/L (OK) – drinking water standard is <  250 mg/L – this does not suggest any specific impact.

Strontium – < 0.200 mg/L   – no specific drinking water standard drinking water standard is available, but it is on the EPA Candidate List.  The EPA recommends that drinking water levels of nonradioactive strontium should not be more than 4 mg/L.  The report limit is consistent with background levels in Northeastern Pennsylvania.  If the background level was above 4 mg/L, it would be advisable to test for radiological parameters, especially alpha/beta.  (OK)

Total Dissolved Solids  – 141 mg/L   – Total Dissolved Solids is regulated as a secondary drinking water standard by the PADEP in Pennsylvania and the action limit is 500 mg/L. 

Total Suspended Solids - < 10 mg/L – no standard, but would recommend retesting to obtain a lower detection limit.

Uranium –0.0021 mg/L (Total) – Uranium is regulated as a primary drinking water standard by the EPA and PADEP in Pennsylvania and the action limit is 0.030 mg/L.  (OK)

Zinc  –0.0192 mg/L (Total) – Zinc is regulated as a secondary drinking water standard by the PADEP in Pennsylvania and the action limit is 5.0 mg/L.  (OK)

http://www.water-research.net/corrosion.htm

Nitrate+Nitrite- N – 0.874 mg/L, this is well below the EPA / PADEP drinking water limit of 10mg N/L for nitrate-N and would also be below the limit of 1.0 mg N/L for nitrite-N. (OK)

Ethylene glycol –  the reported value is < 10 mg/L – there is no standard, but the EPA has a guidance limit of < 7 mg/L.  Other states have lower and higher standards:

New Jersey 0.300 mg/L (300 ppb)

Arizona 5.5 mg/L (5500 ppb)

New Hampshire 7.0 mg/L (7000 ppb)

Florida, Massachusetts, and Minnesota14.0 mg/L (14,000 ppb)

Minnesota

At a minimum, I would recommend retesting for ethylene glycol other other glycol compounds using a method that is more sensitive or conducting some type of standard additions analysis.

No major problems

1. No major problems

2. Manganese is above the secondary drinking water limit.

3. Copper, lead, and zinc detected this could suggest a corrosion related problem. This is a common problem in NEPA

Document can not be copied in whole or part without the expressed written permission of Mr. Brian Oram, B.F. Environmental Consultants Inc. http://www.bfenvironmental.com

Do you want to make a positive change in PA - that will cost you NO Money?
Help Support the Citizens Groundwater and Surfacewater Database and Submit Your Baseline Data !

 Free Information on Drinking Water Quality - http://www.water-research.net

HW-13 Dimock Data EPA January 30, 2012

Comment

1. Without predrilling data, it is not possible to comment on the cause for any water quality problems.

2. Where possible, I have noted situations where elevated levels of a water quality parameter exists in Pennsylvania.

3. If duplicate analysis provided, I attempted to use the highest reported value.

4. New Document - http://water.epa.gov/action/advisories/drinking/upload/dwstandards2011.pdf

5. This is not about cause and effect; it is about a review of the data.

Well – HW-13

With the exception of the following parameters, the remaining values were reported as NOT Detected (U)

Anionic Surfactants – < 0.01 mg/L – the secondary drinking water standard for foaming agents is 0.5 mg/L.  (OK)

http://www.chemetrics.com/products/pdf/detergents.pdf

Heterotrophic Bacteria – 560 cfu/ml -the general guidance for “standard plate count” or total bacterial count is < 500 colonies per ml (OK).  This would suggest a potential bacterial issue and if there are problems with iron, manganese, discolored water, or odor, it is possible that the cause could be related to microbiologically induced corrosion and “nuisance bacteria”.

http://health.mo.gov/lab/heterotropicbacteria.php

Ethane –0.024 mg/L  – No specific drinking water standard (OK)

Methane – 1.30 mg/L  – No specific drinking water standard. (OK).

The well water is not above the new action limit of 7 mg/L, but the well should be fitted with a basic vented well cap.   For more details, go to http://www.water-research.net/methanegas.htm

There are places in PA were baseline levels of methane gas are at or above 7 mg/L. In general, I would estimate that 1 to 3 % of private wells may have elevated levels of methane.  In addition to modifying the well, it would be advisable to conduct isotopic analysis.  Based on the ratio of methane to ethane, the ratio is 54.  This suggests the gas is of thermogenic origin and isotopic analysis is critical.  No specific health concern – but action needed to properly vent gas. 

Ethylene glycol –  the reported value is < 10 mg/L – there is no standard, but the EPA has a guidance limit of < 7 mg/L.  Other states have lower and higher standards:

New Jersey 0.300 mg/L (300 ppb)

Arizona 5.5 mg/L (5500 ppb)

New Hampshire 7.0 mg/L (7000 ppb)

Florida, Massachusetts, and Minnesota14.0 mg/L (14,000 ppb)

Minnesota

At a minimum, I would recommend retesting for ethylene glycol other other glycol compounds using a method that is more sensitive or conducting some type of standard additions analysis.
Note: I have been to this location and conducted only a field screening test for glycol - the field test is manufactured by Chematics Inc. and the result was not detectable for glycol, i.e., < 1 mg/L. 

Chloride – 8.31 mg/L (OK) – drinking water standard is <  250 mg/L – this does not suggest any specific impact.

Sulfate – 10.6 mg/L (OK) – drinking water standard is <  250 mg/L – this does not suggest any specific impact.

Barium - 0.225 mg/L (Total) and 0.235 mg/L (D) – drinking water standard is <  2 mg/L – this does not suggest any specific impact and barium is typically detectable in non-saline impacted water at a level of less than 1 mg/L. (OK)

Calcium- 31.9 mg/L (Total) and 33.1 mg/L (D) – no specific drinking water standard drinking water standard is available.  (OK)

Iron – 2.87 mg/L (Total) and 0.33 mg/L (D) – Iron is regulated as a secondary drinking water standard in Pennsylvania and the action limit is 0.3 mg/L.  Therefore, the total iron content exceeds the secondary drinking water standard.  Elevated level of iron is a common water quality problem in Northeastern Pennsylvania.  Action is Recommended, because of an aesthetic issue.    Check for MIC and Nuisance Bacteria.

Magnesium- 6.62 mg/L (Total) and 6.84 mg/L (D) – no specific drinking water standard drinking water standard is available.  (OK)

Manganese– 0.031 mg/L (Total) and 0.0164 mg/L (D) – Manganese is regulated as a secondary drinking water standard in Pennsylvania and the action limit is 0.05 mg/L.  Therefore, the total manganese content does not exceed the secondary drinking water standard.   (OK)

Nickel - 0.0016 mg/L (Total) and 0.0013 mg/L (D) – – no specific drinking water standard drinking water standard is available, but the EPA has suggest a MCL of 0.1 mg/L.   (OK)

http://www.epa.gov/ogwdw/pdfs/factsheets/ioc/tech/nickel.pdf

Sodium –12.6 mg/L (Total) and 12.9 mg/L (D) – – no specific drinking water standard drinking water standard is available, but the EPA has added it to the Candidate List to provide more analysis.  The EPA’s initial value of 20 mg/L has been clearly identified as not realistic.  When chloride (salt is sodium chloride) is present at a concentration of over 250 mg/L, the water can have an “off” taste. At 400+ mg/L chloride, the water will taste definitely salty. (Source- Dr. Brian Redmond, Professional Geologist). (OK)

Strontium – 0.764 mg/L (Total) and 0.774 mg/L (D)  – no specific drinking water standard drinking water standard is available, but it is on the EPA Candidate List.  The EPA recommends that drinking water levels of nonradioactive strontium should not be more than 4 mg/L.  The report limit is consistent with background levels in Northeastern Pennsylvania.  If the background level was above 4 mg/L, it would be advisable to test for radiological parameters, especially alpha/beta.  (OK)

Toluene – 0.0012 mg/L - Toluene is regulated as a primary drinking water standard by the EPA and PADEP in Pennsylvania and the action limit and maximum contaminant level goal is 1.0 mg/L, but over 0.0040 mg/L toluene can create odor related problems.  (OK)

http://water.epa.gov/drink/contaminants/basicinformation/toluene.cfm

http://www.doh.state.fl.us/Environment/programs/chemical_fact_sheets/Toluene_FS.pdf

Uranium – 0.0003 mg/L (Total) and 0.0032 mg/L (D)  – Uranium is regulated as a primary drinking water standard by the EPA and PADEP in Pennsylvania and the action limit is 0.030 mg/L.  (OK)

Zinc  – 0.004  mg/L (Total) and < 0.002 mg/L (D)  – Zinc is regulated as a secondary drinking water standard by the PADEP in Pennsylvania and the action limit is 5.0 mg/L.  (OK)

Total Dissolved Solids  – 15 mg/L   – Total Dissolved Solids is regulated as a secondary drinking water standard by the PADEP in Pennsylvania and the action limit is 500 mg/L.  (Question – this value seems inaccurate or a typo – This should be redone.)

Nitrate+Nitrite- N – 0.78  mg/L, this is well below the EPA / PADEP drinking water limit of 10mg N/L for nitrate-N and would also be below the limit of 1.0 mg N/L for nitrite-N. (OK)

Total Nitrogen – 1.45 mg/L (No Standard)

No major problems

1. Heterotrophic bacteria data is elevated.

2. Iron is elevated and exceeds a secondary drinking water standard.

3. Methane/Ethane Ratio could suggest the source of the methane is of thermogenic origin and the level of methane is well below the action level of 7 mg/L.

Go to: http://www.water-research.net/methanegas.htm

4.Total Dissolved Solids results seem inaccurate or there is a typo in the draft report.

5. Retesting for glycols using a more sensitive technique is recommended.  Note - I have used a field screening test for glycols and the level was less then 1 mg/L - Note- Not a certified or approved method.

6. Toluene detected – but not at a level above a maximum contaminant level or a level that could cause aesthetic issues. 

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Document can not be copied in whole or part without the expressed written permission of Mr. Brian Oram, B.F. Environmental Consultants Inc. http://www.bfenvironmental.com

Do you want to make a positive change in PA - that will cost you NO Money?
Help Support the Citizens Groundwater and Surfacewater Database and Submit Your Baseline Data !

 Free Information on Drinking Water Quality - http://www.water-research.net

A Well by Well - Review of the Data for Dimock, PA collected by EPA

HW-14 EPA Dimock Data Review January 2012 Biogenic Gas

Comment

1. Without predrilling data, it is not possible to comment on the cause for any water quality problems.

2. Where possible, I have noted situations where elevated levels of a water quality parameter exists in Pennsylvania.

3. If duplicate analysis provided, I attempted to use the highest reported value.

4. New Document - http://water.epa.gov/action/advisories/drinking/upload/dwstandards2011.pdf

5. This is not about cause and effect; it is about a review of the data.

Well – HW-14

With the exception of the following parameters, the remaining values were reported as NOT Detected (U)

Anionic Surfactants – 0.03 mg/L – the secondary drinking water standard for foaming agents is 0.5 mg/L.  (OK)

http://www.chemetrics.com/products/pdf/detergents.pdf

Ethane –0.0029  mg/L  – No specific drinking water standard (OK)

Methane – 3.8 mg/L  – No specific drinking water standard. (OK).

Methane/Ethane Ratio:131  (biogenic)

Note: Methane at the sink, possibly after treatment – 0.049 mg/L.

Ethylene glycol –  the reported value is < 10 mg/L – there is no standard, but the EPA has a guidance limit of < 7 mg/L.  Other states have lower and higher standards:

New Jersey 0.300 mg/L (300 ppb)

Arizona 5.5 mg/L (5500 ppb)

New Hampshire 7.0 mg/L (7000 ppb)

Florida, Massachusetts, and Minnesota14.0 mg/L (14,000 ppb)

Minnesota

At a minimum, I would recommend retesting for ethylene glycol other other glycol compounds using a method that is more sensitive or conducting some type of standard additions analysis.

Chloride – 17.70 mg/L (OK) – drinking water standard is <  250 mg/L – this does not suggest any specific impact.

Sulfate – 14.40 mg/L (OK) – drinking water standard is <  250 mg/L – this does not suggest any specific impact.

Arsenic – < 0.001mg/L (Total) and < 0.001 mg/L (D) – drinking water standard is <  0.010 mg/L – OK

Barium - 0.0893 mg/L (Total) and 0.0857mg/L (D) – drinking water standard is <  2 mg/L – this does not suggest any specific impact and barium is typically detectable in non-saline impacted water at a level of less than 1 mg/L. (OK)

Calcium- 29.9 mg/L (Total) and 29.7 mg/L (D) – no specific drinking water standard drinking water standard is available.  (OK)

Copper – 0.0021 mg/L (Total) and < 0.002 mg/L (D)- Copper is regulated as a primary standard (EPA and PA) and secondary drinking water standard in Pennsylvania.  Primary standard 1.3 mg/L and secondary standard 1.0 mg/L.   (OK)

Note- the copper appears to be higher at the kitchen sink – this could suggest some type of chemical / biological corrosion within the distribution system.

Lead – 0.001 mg/L (Total) and < 0.001 mg/L (D)- Lead is regulated as a primary standard (EPA and PA) at 0.015 mg/L, but the action level in PA for source water is 0.005 mg/L.   The level of lead after the treatment system and distribution system is 0.0015 mg/L.

Note- the lead is higher at the kitchen sink – this could suggest some type of chemical / biological corrosion within the distribution system.

Magnesium- 5.27 mg/L (Total) and 5.28 mg/L (D) – no specific drinking water standard drinking water standard is available.  (OK)

Manganese– 0.0083 mg/L (Total) and  0.0078 mg/L (D) – Manganese is regulated as a secondary drinking water standard in Pennsylvania and the action limit is 0.05 mg/L.  (OK)

Nickel - 0.0016 mg/L (Total) and 0.0016 mg/L (D) – – no specific drinking water standard drinking water standard is available, but the EPA has suggest a MCL of 0.1 mg/L.   (OK)

http://www.epa.gov/ogwdw/pdfs/factsheets/ioc/tech/nickel.pdf

Sodium –9.42 mg/L (Total) and 9.26 mg/L (D) – – no specific drinking water standard drinking water standard is available, but the EPA has added it to the Candidate List to provide more analysis.  The EPA’s initial value of 20 mg/L has been clearly identified as not realistic.  When chloride (salt is sodium chloride) is present at a concentration of over 250 mg/L, the water can have an “off” taste. At 400+ mg/L chloride, the water will taste definitely salty. (Source- Dr. Brian Redmond, Professional Geologist). (OK)

Zinc  – 0.0036  mg/L (Total) and 0.005 mg/L (D)  – Zinc is regulated as a secondary drinking water standard by the PADEP in Pennsylvania and the action limit is 5.0 mg/L.  (OK)

Note: After treatment the Zinc content is 0.0268 mg/L – this would suggest some form of chemical or biological corrosion within the distribution system.

Total Dissolved Solids  – < 10  mg/L   – Total Dissolved Solids is regulated as a secondary drinking water standard by the PADEP in Pennsylvania and the action limit is 500 mg/L.  (Question – this value seems inaccurate or a typo – This should be redone.)

Nitrate+Nitrite – 1.48 mg N/L, the EPA drinking water for nitrate-N/L is 10, but the primary drinking water standard for nitrate is 1 nitrite-N/L.  It is probably be ok, but it may be advisable to test for nitrite-N.  (OK)

No major problems

1. Heterotrophic bacteria data is not provided.

2. Methane/Ethane Ratio could suggest the source of the methane is biogenic.

3.Total Dissolved Solids results seem inaccurate or there is a typo in the draft report.

4. Higher levels for select metals suggest there could be some corrosion within the distribution system, but the levels do not exceed a primary or secondary drinking water standard.

5. Nitrate-Nitrite at 1.48 mg/L – it may be advisable to check the level of nitrite in the water.

6. Retesting for glycols using a more sensitive technique is recommended.

Document can not be copied in whole or part without the expressed written permission of Mr. Brian Oram, B.F. Environmental Consultants Inc. http://www.bfenvironmental.com

Do you want to make a positive change in PA - that will cost you NO Money?
Help Support the Citizens Groundwater and Surfacewater Database and Submit Your Baseline Data !

 Free Information on Drinking Water Quality - http://www.water-research.net