Showing posts with label water reuse. Show all posts
Showing posts with label water reuse. Show all posts

Tuesday, February 21, 2012

Marcellus Shale - Using Mine Drainage and Acid Mine Drainage as a resourse and not a waste

The Abstract

"This report, prepared in cooperation with the Pennsylvania Department of Environmental Protection (PaDEP), the Eastern Pennsylvania Coalition for Abandoned Mine Reclamation, and the Dauphin County Conservation District, provides estimates of water budgets and groundwater volumes stored in abandoned underground mines in the Western Middle Anthracite Coalfield, which encompasses an area of 120 square miles in eastern Pennsylvania. The estimates are based on preliminary simulations using a groundwater-flow model and an associated geographic information system that integrates data on the mining features, hydrogeology, and streamflow in the study area. The Mahanoy and Shamokin Creek Basins were the focus of the study because these basins exhibit extensive hydrologic effects and water-quality degradation from the abandoned mines in their headwaters in the Western Middle Anthracite Coalfield. Proposed groundwater withdrawals from the flooded parts of the mines and stream-channel modifications in selected areas have the potential for altering the distribution of groundwater and the interaction between the groundwater and streams in the area.


Preliminary three-dimensional, steady-state simulations of groundwater flow by the use of MODFLOW are presented to summarize information on the exchange of groundwater among adjacent mines and to help guide the management of ongoing data collection, reclamation activities, and water-use planning. The conceptual model includes high-permeability mine voids that are connected vertically and horizontally within multicolliery units (MCUs). MCUs were identified on the basis of mine maps, locations of mine discharges, and groundwater levels in the mines measured by PaDEP. The locations and integrity of mine barriers were determined from mine maps and groundwater levels. The permeability of intact barriers is low, reflecting the hydraulic characteristics of unmined host rock and coal.
A steady-state model was calibrated to measured groundwater levels and stream base flow, the latter at many locations composed primarily of discharge from mines. Automatic parameter estimation used MODFLOW-2000 with manual adjustments to constrain parameter values to realistic ranges. The calibrated model supports the conceptual model of high-permeability MCUs separated by low-permeability barriers and streamflow losses and gains associated with mine infiltration and discharge. The simulated groundwater levels illustrate low groundwater gradients within an MCU and abrupt changes in water levels between MCUs. The preliminary model results indicate that the primary result of increased pumping from the mine would be reduced discharge from the mine to streams near the pumping wells. The intact barriers limit the spatial extent of mine dewatering. Considering the simulated groundwater levels, depth of mining, and assumed bulk porosity of 11 or 40 percent for the mined seams, the water volume in storage in the mines of the Western Middle Anthracite Coalfield was estimated to range from 60 to 220 billion gallons, respectively.
Details of the groundwater-level distribution and the rates of some mine discharges are not simulated well using the preliminary model. Use of the model results should be limited to evaluation of the conceptual model and its simulation using porous-media flow methods, overall water budgets for the Western Middle Anthracite Coalfield, and approximate storage volumes. Model results should not be considered accurate for detailed simulation of flow within a single MCU or individual flooded mine. Although improvements in the model calibration were possible by introducing spatial variability in permeability parameters and adjusting barrier properties, more detailed parameterizations have increased uncertainty because of the limited data set.
The preliminary identification of data needs includes continuous streamflow, mine discharge rate, and groundwater levels in the mines and adjacent areas. Data collected when the system is responding to hydrologic stresses such as recharge or pumping changes would provide information on hydraulic barrier integrity and groundwater/surface-water exchanges; the latter would also be informed by tracer studies and streambed surveys. Use of transient simulations, calibrated with transient measurements, is suggested to provide an independent estimate of the storage capacity of the mines."


Source:
Water Budgets and Groundwater Volumes for Abandoned Underground Mines in the Western Middle Anthracite Coalfield, Schuylkill, Columbia, and Northumberland Counties, Pennsylvania—Preliminary Estimates with Identification of Data Needs,  By Daniel J. Goode, Charles A. Cravotta III, Roger J. Hornberger, Michael A. Hewitt, Robert E. Hughes, Daniel J. Koury, and Lee W. Eicholtz

How does this apply to the Marcellus Shale Play?

1. Mine Drainage may be the perfect surrogate raw water for Marcellus and other Unconventional Gas.
2. The concept
a. Select natrual or induced minewater discharge areas near existing wastewater treatment plans, raillines, or other accessible areas.  It would be best to use rail rather than hauling or pipeline installed along rail right-of-ways.

Phase I
a. Rank Sites and Characterize Sources
b. Interpet Minewater as Natural or Artifical Discharge Points and install a rapid treatment module to aerate the water and remove iron and manganese.  Collect iron and managense oxides and use as a raw material for treating other waste streams.
c. Send this water by rail or pipeline to Fracwater Treatment Areas or a central storage area.
d. Blend the fracwater and AMD waste streams
e. Repeat-

Phase II - Use a portion of the revenue to install passive treatment systems.

Phase III- Discontinue use of the fluid for hydraulic fracturing, but use the passive systems to treat natural discharges and pipelines to faciliate the movement of production water for treatment.  

Phase IV - Use the water to reclaim abandon mine lands by helping to establish a native grassland - growing switchgrass and other native grasses.   Harvest these grasses as a future sustainable field.  My reclaiming the land - we are also helping to reduce the volume of acid mine drainage.

Just a thought

Brian Oram, PG
Native of Wilkes Barre, PA
http://www.bfenvironmental.com/

Friday, January 7, 2011

Pennsylvania Township to sell sewage wastewater for fracking - Water Reuse Using degraded water for hydrofracking

Not My Work - My comments below

January 7, 2011 - By DAVID THOMPSON dthompson@sungazette.com
http://www.sungazette.com/page/content.detail/id/558530/Township-to-sell-sewage-wastewater-for-fracking.html

"HUGHESVILLE - On Dec. 16, the Susquehanna River Basin Commission did something it has never done before
It approved an application to sell treated municipal wastewater for drilling operations by the natural gas industry.
The commission's approval was given to the Hughesville Wolf Authority, which operates a sewage treatment facility that serves the Borough of Hughesville, Wolf Township and part of Muncy Creek Township.

The approval allows the authority to sell to gas drilling companies up to 249,000 gallons of treated municipal wastewater per day, according to authority engineer Charles W. Amer III, of Montoursville-based engineering firm McTish, Kunkel and Associates.
That accounts for slightly more than 60 percent of the treated effluent the authority's treatment plant discharges into Muncy Creek on a daily basis, Amer said.

Preparing a withdrawal site on the treatment plant property will cost between $400,000 and $500,000, Amer said. A 3/4-acre pad, segregated from the rest of the facility by a fence and connected by a separate access road, will be built, and two 21,000 gallon storage tanks, meters and other technology installed.
Treated wastewater contained in a chlorine contact tank - typically the final stop before entering a pipe that leads to the creek - will be pumped into the storage tanks. Tanker trucks will enter the facility by the access road, pull up to one of two fill stations and fill their tanks, Amer said.
Even with the set-up costs, selling treated wastewater has the potential to be lucrative for the authority, Amer said.
At $10 per 1,000 gallons - the mid-range point of what is being paid by gas companies for water used for hydrofracturing - the authority could bring in more than $900,000 a year if it sells all of the water it is permitted to sell, he said.
If the authority only sells two-thirds of the permitted amount at $8 per 1,000 gallons, it still will bring in about $485,000 a year, he said.

Amer said gas companies are interested in buying the treated water.
"We have non-binding commitments that well exceed the 249,000 gallons per day," he said. "We have six or eight companies that submitted letters showing interest in (buying) wastewater. Some submitted actual per gallon needs."Authority member William Senseman said customers will reap the benefits of the sale.
"We saw this as a win-win. It allows us to raise revenue to keep our rates down while maintaining the plant and keeping it compliant (with state and federal regulations)," Senseman said.Authority Chairman Daniel Thomas agreed.

"The community is going to benefit from this," Thomas said. According to Thomas, the treatment plant is relatively new and still has outstanding debt incurred from when it was built. Revenue from selling water will allow the debt to be paid off and keep user rates down.
That is on top of the fact that the authority already is efficiently run, he said.
"We're probably the only sewer authority that has actually dropped its rates in the last five years," he said.
Thomas said plans to sell the wastewater included a lot of thought into how local residents will be impacted by the potential truck traffic the facility could attract.
"Our number one concern is the disruption caused by excessive truck traffic," Thomas said. "We want to keep it at a minimum."
"We figured if we spread it out over a 24-hour period, it will only equal two trucks per hour on a maximum withdrawal day of 249,000 gallons," he said.
Senseman said that unlike some surface withdrawal points where water hauling trucks have unlimited access, the authority has total control over access to the facility and can make changes to reduce local impacts caused by the operation. Amer said the water gas companies will be buying from the authority will be very high quality.
"This plant has a very high level of treatment compared to a lot of other treatment plants," Amer said, adding treatment plant effluent is far below pollution limits set by the state Department of Environmental Protection.
"We'll be providing the industry with pretty clean water," he said. "Compared to other treatment plants' effluent, it's a higher quality of water.
Wastewater sold to the gas industry is less wastewater discharged into Muncy Creek, Thomas said.
Thomas credited the authority board, which also includes Richard Marsh, Richard Mausteller, Stephen Ryder, Jerry Kilgus and Robert Kolbrich, with putting their full support behind the initiative.
Still, there were challenges to receiving SRBC approval, primarily because the authority was pioneering new territory as far as supplying water for the gas industry. It was unclear what type of approval was needed to sell treated wastewater, Amer said."It was the first time they ever dealt with it," Thomas said.The commission is the agency that regulates water quantity issues in the river basin. It must give its approval for the consumptive use of water - defined as any use in which the water is not returned to its source - once the amount withdrawn from a source exceeds a certain threshold.
The threshold typically is 100,000 gallons of water per day. However, for the gas industry, no such threshold exists. SRBC approval is required for the withdrawal of a single drop of water for industry use."
Great Article - the source of the article is
http://www.sungazette.com/page/content.detail/id/558530/Township-to-sell-sewage-wastewater-for-fracking.html

Comments
1. Water Reuse has been done - This was proposed many years ago for other facilities to handle the need for a partially degraded water.
2. One item that should be checked is the water budget - if possible the approach should include funding for other water conservation measures and enhanced recharge of treated water in other areas.
3. The removal of the water from the plant should not result in a change in the NPDES permit or an increase in the Capacity.
4. Truck traffic will be high - maybe they could consider funding a pumping station to a site - this would be a traffic study.
5. Good work - thinking out of the box.
6. Funds should help to improve operations of the facility, decrease citizen cost, fund water quality and water conservation and promote other water reuse applications (industry, irrigation, etc).
7. How about looking at installing stormwater retention basins and using this as a resource for fracking?

Just my thoughts

Brian Oram, PG
B.F. Environmental Consultants Inc.

Sunday, February 21, 2010

Geologist concerned about drilling truck traffic

Reposting of Article
Geologist concerned about drilling truck traffic

By Elizabeth Skrapits (Staff Writer)
Published: February 19, 2010

DALLAS TWP. - Back Mountain Community Partnership members heard from a geologist Thursday about the use of water in natural gas drilling and what happens to the salt- and chemical-laden water afterwards.
EnCana Oil and Gas USA Inc., in partnership with WhitMar Exploration Co., plan to drill three exploratory natural gas wells in Luzerne County: in Fairmount Township near the Ricketts Glen Hotel on Route 118; in Lake Township on Zosh Road near the Lehman Township border; and in Lehman Township on Peaceful Valley Road.

WhitMar/EnCana have leased more than 15,000 acres in the Back Mountain area, BMCP Chairman Allen Fox of Jackson Township said.

Of the BMCP member municipalities, the companies have leased approximately 4,300 acres in Lehman Township, 2,400 in Jackson Township, 1,300 in Dallas Township, and no acreage yet in Dallas Borough or Franklin and Kingston townships, according to Fox.
EnCana representatives attended the January BMCP meeting, where residents peppered them with questions, primarily about water contamination concerns and potential effects of drilling on the environment.
The company did respond in writing, but BMCP members have not had a chance to read and digest it, so they will wait until the March meeting to present it, Fox said. But Wilkes University geologist Brian Oram was on hand at Thursday's meeting to talk about drilling and water.

Hydraulic fracturing - "fracking" - involves blasting thousands of gallons of water deep underground to break up the shale, which releases natural gas.
Only 10 percent to 30 percent of the water comes back, and what does can be re-used for fracking, Oram said. Often water is hauled to wastewater treatment plants, where it is diluted for re-use, he said, but noted that there are no facilities in the area for treating the briny water. He believes getting rid of used water will be one of natural gas drillers' biggest hurdles in the region.

A treatment facility was recently approved in Williamsport; another is scheduled to open in the Muncy area, BMCP vice-chairman James Reino of Kingston Township said.
Wyoming Valley Sanitary Authority is working with Scranton-based PA Northeast Aqua Resources LLC on a plan to treat up to 150,000 gallons of fracking water a day, but so far has not received approval from the state Department of Environmental Protection.

Franklin Township representative Michael Prokopchack asked how the briny water from fracking was different from the salt water sprayed on roads.
Fracking water can contain trace elements including metals and organic chemicals, Oram said. Salt water used for roads does not have the contaminants, he said.

But there is an impact on the shallow freshwater aquifer from road salt, Oram said. And he is more concerned about the trucks carrying used fracking water.
"I don't have a big fear of fracking a Marcellus Shale well. I have a bigger fear of that truck going down the road, tipping over, and we have private wells that have no construction standards," he said. "I spent the last 20 years of my life dealing with people who have the worst-constructed private wells."
Another concern of Oram's is that there aren't any independent, Pennsylvania-based third-party inspectors available to make sure the well casings are done in the right way, using the proper grade of cement.
"Is it fair to say an 18-hole golf course will use more water for irrigation than it does in fracking?" Prokopchak asked.
"Absolutely," Oram replied. However, he said the difference is that while golf course irrigation consumes water, it puts it back into the atmosphere while fracking takes it out of the cycle altogether.
Oram said he would prefer to see partially-degraded water used for fracking rather than taking it from a "nice pristine freshwater stream." He also would like to see water transported by rail instead of by road. There needs to be long-term planning, he said.
eskrapits@citizensvoice.com, 570-821-2072

Comments
Good Article - my only comments are as follows:

a. Proposed legislation being considered should be supported and will provide a significant step in improving and protecting the health/safety of the community and the environment and maintain the integrity of the resource.

b.Third party inspections should be done by PA - Businesses using PA licensed professionals.

c. We need to look at long-term planning for this industry and begin to think "out of the box" on issues related to managing the water resources, water reuse, and stormwater management.

d. We need private well construction standards and we need to encourage private well owners to get their water tested, identifiy problems with existing well construction, and aid in improving/fixing well construction issues - remember - "We All Live Downstream"

Thanks

Brian

Friday, September 25, 2009

Training Courses in Soil Science, Land-Based Wastewater Disposal, and Stormwater Infiltration

Wilkes University Environmental Engineering and Earth Sciences and the Center for Environmental Quality is offering three 1-day courses on soil morphology, soils and wastewater / stormwater management, and introduction to hydric soils. These are field courses that are available for profession continuing education credits or university credit (undergraduate or graduate credit) that are being offered in Pennsylvania. For University Credit, an exit exam is required.

Course 1 - Soil Morphology- How to Describe and Interpret a Soil Profile
The one-day course will provide an introduction to soil science and soil morphology for the professional and educator. During the field component of the course, you will learn how to describe the physical properties of a soil, soil horizons, and make interpretations related to water movement and saturation.
Course Date - October 9, 2009 - (9:00 am to 5 pm)

Course 2- Application of Soil Science to Wastewater Recharge and Stormwater Management
The workshop will include a summary of the regulations related to land-based wastewater disposal and stormwater best management practices in Pennsylvania. The course will include a review of soil morphology, percolation/infiltration testing, and hands on field experience.
Course Date - October 16, 2009 - (9:00 am to 5 pm)

Course 3 - Introduction to Hydric Soils
This is an introduction to describing hydric soils, introduction to the use of the field indicators, and to the physiochemical reactions that occur with the soil and wetland ecosystem.
Course Date - October 23, 2009 - (9:00 am to 5 pm)

For more information, please go to
http://www.wilkes.edu/continuedlearning
or call
1-570-408-4235 - Option 1
soils training courses Pennsylvania, field training Professionals, soil science, engineering, wastewater, stormwater

Mr. Brian Oram is a licensed professional geologist and the laboratory director for the Center for Environmental Quality at Wilkes University. In addition, we is the principle for B.F. Environmental Consultants Inc a family owned business based in Northeastern Pennsylvania and providing professional geological soils hydrogeological environmental consulting services since 1985.