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1001 Property Solutions LLC
The Benefits of Reducing Nitrate Contamination in Private Domestic Wells Under CAFO Regulatory Options
The Benefits of Reducing Nitrate Contamination in Private Domestic Wells Under CAFO Regulatory Options
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Confined animal feeding operations (CAFOs) can contaminate aquifers and thus impose health risks and welfare losses on those who rely on groundwater for drinking water or other uses. Of particular concern are nitrogen and other animal waste-related contaminants (which come from manure and liquid wastes) that leach through soils and ultimately reach groundwater. Nitrogen loadings convert to elevated nitrate concentrations at household and public water system wells,
and elevated nitrate levels in turn pose a risk to human health. The federal health-based National Primary Drinking Water Standard for nitrate is 10 mg/L.
This Maximum Contaminant Level (MCL) applies to all community water supply systems, but not to households that rely on private wells. As a result, households served by private wells are at risk of exposure to nitrate concentrations above 10 mg/L, which EPA considers unsafe for sensitive
subpopulations (e.g., infants). Nitrate above concentrations of 10 mg/L can cause methemoglobinemia (“blue baby syndrome”) in bottle-fed infants (National Research Council, 1997), which causes a blue-gray skin color, irritableness or lethargy, and potentially long-term developmental or neurological effects. Generally, once nitrate intake levels are reduced, symptoms abate. If the condition is not treated, however, methemoglobinemia can be fatal. No other health impacts are consistently attributed to elevated nitrate concentrations in drinking water; however, other health effects are suspected.
and elevated nitrate levels in turn pose a risk to human health. The federal health-based National Primary Drinking Water Standard for nitrate is 10 mg/L.
This Maximum Contaminant Level (MCL) applies to all community water supply systems, but not to households that rely on private wells. As a result, households served by private wells are at risk of exposure to nitrate concentrations above 10 mg/L, which EPA considers unsafe for sensitive
subpopulations (e.g., infants). Nitrate above concentrations of 10 mg/L can cause methemoglobinemia (“blue baby syndrome”) in bottle-fed infants (National Research Council, 1997), which causes a blue-gray skin color, irritableness or lethargy, and potentially long-term developmental or neurological effects. Generally, once nitrate intake levels are reduced, symptoms abate. If the condition is not treated, however, methemoglobinemia can be fatal. No other health impacts are consistently attributed to elevated nitrate concentrations in drinking water; however, other health effects are suspected.
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