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EWG's Tap Water Database — 2021 UPDATE

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Nitrate and nitrite

City of Clinton

Nitrate and nitrite enter water from fertilizer runoff, septic tanks and urban runoff. These contaminants can cause oxygen deprivation for infants and increase the risk of cancer. Nitrite is significantly more toxic than nitrate. Click here to read more about nitrate.

MORE ABOUT THIS CONTAMINANT

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015ND50ND
2016ND50ND
2017ND50ND
2018ND50ND
2019ND50ND

ppm = parts per million

State and national drinking water standards and health guidelines

EWG Health Guideline 0.14 ppm

The health guideline of 0.14 parts per million, or ppm, for nitrate and nitrite is based on the equivalent health guideline for nitrate, as defined in a peer-reviewed scientific study by EWG. This guideline represents a one-in-one-million annual cancer risk level.

EPA Maximum Contaminant
Level (MCL) 10 ppm

ppm = parts per million

All test results

Date Lab ID Result
2014-03-0537729_14-06449ND
2014-03-0537729_14-06450ND
2014-03-0537729_14-06451ND
2014-03-0537729_14-06452ND
2014-03-0637729_14-06448ND
2015-03-16ND
2015-03-16ND
2015-03-16ND
2015-03-16ND
2015-03-16ND
2016-05-1137729_16-14931ND
2016-05-1137729_16-14933ND
2016-05-1137729_16-14934ND
2016-05-1137729_16-14935ND
2016-05-1137729_16-14936ND
2017-05-1637729_17-16186ND
2017-05-1637729_17-16190ND
2017-05-1637729_17-16189ND
2017-05-1637729_17-16188ND
2017-05-1637729_17-16187ND
2018-04-2737729_18-16563 ND
2018-04-2737729_18-16564 ND
2018-04-2737729_18-16565 ND
2018-04-2737729_18-16566 ND
2018-04-2737729_18-16567 ND
2019-04-1737729_19-15755 ND
2019-04-1737729_19-15756 ND
2019-04-1737729_19-15757 ND
2019-04-1737729_19-15758 ND
2019-04-1737729_19-15759 ND