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The nitrate contamination of private well water in Iowa

Author

Listed:
  • Kross, B.C.
  • Hallberg, G.R.
  • Bruner, D.R.
  • Cherryholmes, K.
  • Johnson, J.K.

Abstract

The State-Wide Rural Well-Water Survey was conducted between April 1988 and June 1989. About 18% of Iowa's private, rural drinking-water wells contain nitrate above the recommended health advisory level (levels of NO 3- N greater than 10 mg/L); 37% of the wells have levels greater than 3 mg/L, typically considered indicative of anthropogenic pollution. Thirty-five percent of wells less than 15 m deep exceed the health advisory level, and the mean concentration of nitrate-nitrogen for these wells exceeds 10 mg/L. Depth of well is the best predictor of well-water contamination. Individually, NO 3-N levels of more than 10 mg/L occurred alone in about 4% of the private wells statewide; pesticides were present alone in about 5%. Total coliform positives occurred alone at 27% of the sites. In a cumulative sense, these three contaminants were detected in nearly 55% of rural private water supplies.

Suggested Citation

  • Kross, B.C. & Hallberg, G.R. & Bruner, D.R. & Cherryholmes, K. & Johnson, J.K., 1993. "The nitrate contamination of private well water in Iowa," American Journal of Public Health, American Public Health Association, vol. 83(2), pages 270-272.
    • Handle: RePEc:aph:ajpbhl:1993:83:2:270-272_2
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    Cited by:

    1. Lawrence Fulton & Bradley Beauvais & Matthew Brooks & Scott Kruse & Kimberly Lee, 2020. "Sustainable Residential Building Considerations for Rural Areas: A Case Study," Land, MDPI, vol. 9(5), pages 1-25, May.
    2. Nejatijahromi, Zohre & Nassery, Hamid Reza & Hosono, Takahiro & Nakhaei, Mohammad & Alijani, Farshad & Okumura, Azusa, 2019. "Groundwater nitrate contamination in an area using urban wastewaters for agricultural irrigation under arid climate condition, southeast of Tehran, Iran," Agricultural Water Management, Elsevier, vol. 221(C), pages 397-414.

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