The EPA today released the test results of the last 12 homes and found no reason for further action, though one home had elevated methane levels, according to the Associated Press.
What can be said about the EPA test results?
It found 1 home with substantially elevated arsenic levels, but the homeowner declined the EPA offer of water deliveries.
It found a number of homes with elevated methane levels, but apparently has not done any isotopic testing to identify the source of the gas in the homes with elevated methane levels.
The EPA has generally found the water in the homes to be safe to drink, and its tests do not find evidence of hydraulic fracturing fluids returning from depth to contaminate the aquifer.
Years of DEP testing also found no evidence of hydraulic fracturing fluids returning from depth to contaminate the aquifer, though isotopic testing of methane in 18 water wells during 2009-2010 did conclude that the gas had migrated in those properties from gas wells and was not biogenic or gas that was present in the water wells prior to gas drilling.
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