UI researchers recommend improvements to private well testing program


Tyler Chalfant | August 20th, 2019

The University of Iowa Center for Health Effects of Environmental Contamination (CHEEC) released a report Monday outlining ways in which Iowa’s program to protect drinking water from private wells can be improved. According to the report, the state’s Grants to Counties program has been severely underutilized, with between 29-55% of the funds awarded to participating counties remaining unspent.

The program was created in 1987 as a part of the Groundwater Protection Act to provide funding for testing private wells for contamination, as well as reconstruction of private wells and plugging of abandoned wells. The US Environmental Protection Agency does not regulate private wells or recommend standards for individual wells, though it recommends testing wells annually for total coliform bacteria, nitrates, total dissolved solids, and pH levels. Nearly 300,000 Iowans rely on private wells as their primary source of drinking water.

CHEEC’s report, published in partnership with the UI Public Policy Center, recommends improving the Grants to Counties program by expanding the contaminants tested for, to include substances such as pesticides, manganese, lead, and copper. It also suggests prioritizing the most vulnerable wells and the counties with the greatest need, which have the greatest number of private wells and least access to Rural Water, and are already those that are most likely to better utilize the funding. Funding could also be used to assist with remedial actions, increase marketing for the program, and close gaps in the inventory to more accurately estimate the number of private wells in the state. 

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