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EWG's Tap Water Database — 2021 UPDATE

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Nitrite

Paramount Water Department

Nitrite, closely related to the fertilizer chemical nitrate, comes from urban runoff and from fertilizer applied to agricultural lands to pollute drinking water. Nitrite is significantly more toxic than nitrate. Excessive nitrite in water can cause oxygen deprivation in infants and increase the risk of cancer.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND30ND
2015ND20ND
2016N/A00N/A
2017ND30ND
2018ND20ND
2019ND10ND

ppm = parts per million

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 1 ppm

The legal limit for nitrite, established in 1991, was based on the rate of conversion of ingested nitrate into nitrite in adults. This limit may not fully protect against the risk of cancer due to nitrite exposure.

ppm = parts per million

All test results

Date Lab ID Result
2014-07-299588-016-0940ND
2014-10-299588-015-0950ND
2014-10-299588-024-0958ND
2015-07-169588-025-1015ND
2015-07-169588-027-1023ND
2017-07-039588-016-1012ND
2017-10-029588-015-1050ND
2017-10-029588-024-1101ND
2018-07-129588-025-1038ND
2018-07-129588-027-1045ND
2019-07-089588-016-1030ND