CHARLESTON, W.Va. (AP) — Groundwater in West Virginia is generally of good quality but iron, manganese and radon levels are potential concerns, a recent U.S. Geological Survey study found.
The majority of raw, untreated groundwater samples analyzed by USGS scientists met primary criteria for treated drinking water.
But naturally occurring iron and manganese concentrations in more than half the samples exceeded the secondary, non-enforceable guideline for treated drinking water.
Conducted from 1999 to 2008, the study analyzed raw, untreated water samples from 300 wells located in valleys and on hilltops and hillsides. Eighty percent of the wells were public-supply wells.
Researchers also analyzed data from a related monitoring network of 24 wells and springs.