MLGW Completes Tests On Water Supply; Levels Of Lead & Arsenic Below Detected Limits

(MLGW NEWS RELEASE) - Last week, a certified independent lab began conducting tests on 10 wells that supply water to MLGW’s Davis pumping station located in southwest Memphis. Tests were also conducted on the treated drinking water which goes into MLGW’s distribution system. 

Initial test results had some traces of lead in two wells which prompted more samples to be pulled. Test results on the second samples from the two wells indicated that lead was below detection limits.

All wells and drinking water leaving the station tested below detected limits for arsenic.

Below are the arsenic and lead test results from the certified independent lab.

 

 

 

 

(TVA STATEMENT)

“MLGW’s test results affirm statements made by TDEC and local health officials that drinking water is not being impacted by the materials found in our shallow monitoring wells at Allen Fossil Plant.

All agencies involved, including TVA, are doing everything we can to ensure the health and safety of the public.

TVA is working on an investigation plan, under the direction of TDEC, to determine the source of the contaminants.

TVA began its own investigation immediately after the results from the testing wells were reported to the state, and we will continue under the direction of TDEC.

Over the last month, TVA has repeatedly tested our 5 aquifer wells at the combined cycle natural gas plant under construction and found no detectable levels of arsenic or lead in those wells.

 

TVA is committed to being good stewards of the environment and a part of the community.”

(SIERRA CLUB STATEMENT)

MLGW released results today that found no arsenic contamination of drinking water wells in the Davis well field, which are more than two miles from TVA’s coal ash ponds, which were recently found to be leaching arsenic and lead into the shallow (alluvial) aquifer.

Sierra Club is relieved that there is no contamination currently showing in the Davis water wells, but we also know that it would take decades for any contaminants to to migrate that far from TVA’s leaking coal ash ponds.

Sierra Club remains very concerned that TVA’s five new high production wells, which are less than a half-mile from the coal ash ponds, may draw contaminated water from the shallow aquifer into the Memphis Sand Aquifer through as yet unidentified but strongly suspected breaches in the clay formation that protects the Memphis Sand.

In Response to MLGW’s Press Release, Scott Banbury, conservation program coordinator for the Sierra Club in Tennessee, released the following statement:

“While relieved that MLGW’s tests came back clean, Sierra Club remains extremely concerned that the five new cooling water wells that TVA has drilled into the Memphis Sand across the street from their leaking ash ponds still pose a major threat to our drinking water.

“TVA should contract with MLGW to provide cooling water for their new power plant until the appropriate groundwater experts can complete an exhaustive study of the geology underlying TVA’s facilities and determine, without doubt, that there are no breaches in the Memphis Sand’s protective clay in the vicinity through which groundwater contaminants identified last week might be drawn into the Memphis Sand by the operation of TVA’s wells.

“It’s time that the Tennessee Department of Environment and Conservation and the Shelby County Groundwater Quality Control Board step in and ensure the protection of our drinking water by staying the well permits that have been issued to TVA until proven safe. We call on local leaders to do everything in their power to protect our aquifer.”

Ward Archer, President of Protect Our Aquifer made the following statement:

“Protect Our Aquifer is relieved to learn there are presently no detectable levels of arsenic at MLGW’s Davis pumping station.  These results not mean that when TVA’s new cooling water wells are activated that they will not pull contaminated water into the Memphis Sand Aquifer. Common sense would suggest that operating 5 high performance wells across the street from a leaking coal ash pond is not a good idea.  Again, we ask TVA to respect our drinking water aquifer and cool with greywater or with water supplied by MLGW.”

 

 


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