Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Nitrate and nitrite

Wallace, Town of

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

 

31

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND80ND
2016ND80ND
2017ND80ND
2018N/A00N/A
2019ND70ND

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
2015-09-30ND
2015-09-30ND
2015-09-30ND
2015-09-30ND
2015-09-30ND
2015-09-30ND
2015-09-30ND
2015-09-30ND
2016-09-1937729_16-32416ND
2016-09-1937729_16-32415ND
2016-09-1937729_16-32414ND
2016-09-1937729_16-32413ND
2016-09-1937729_16-32411ND
2016-09-1937729_16-32410ND
2016-09-1937729_16-32409ND
2016-09-1937729_16-32412ND
2017-09-2637729_17-35626ND
2017-09-2637729_17-35628ND
2017-09-2637729_17-35627ND
2017-09-2637729_17-35625ND
2017-09-2637729_17-35624ND
2017-09-2637729_17-35623ND
2017-09-2637729_17-35622ND
2017-09-2637729_17-35621ND
2019-08-1437729_19-34795 ND
2019-08-1437729_19-34804 ND
2019-08-1437729_19-34816 ND
2019-08-1437729_19-34826 ND
2019-08-1437729_19-34838 ND
2019-08-1437729_19-34852 ND
2019-08-1937729_19-35356 ND