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EWG's Tap Water Database — 2021 UPDATE

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Nitrate

Wallace, Town of

Nitrate, a fertilizer chemical, frequently contaminates drinking water due to agricultural and urban runoff, and discharges from municipal wastewater treatment plants and septic tanks. Excessive nitrate in water can cause oxygen deprivation in infants and increase the risk of cancer. Click here to read more about nitrate.

MORE ABOUT THIS CONTAMINANT

 

40

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND90ND
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 EWG Health Guideline of 0.14 ppm for nitrate was defined by EWG . This health guideline protects against cancer and harm to fetal growth and development.

EPA Maximum Contaminant
Level (MCL) 10 ppm

The legal limit for nitrate, established in 1962, was developed to protect infants from acute methemoglobinemia, a life-threatening disorder of oxygen transport in the body. This limit does not fully protect against the risk of cancer and harm to the developing fetus.

ppm = parts per million

All test results

Date Lab ID Result
2014-08-1537729_14-24559ND
2014-08-1537729_14-24558ND
2014-08-1537729_14-24566ND
2014-08-1537729_14-24565ND
2014-08-1537729_14-24564ND
2014-08-1537729_14-24563ND
2014-08-1537729_14-24562ND
2014-08-1537729_14-24561ND
2014-08-1537729_14-24560ND
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_16-32412ND
2016-09-1937729_16-32411ND
2016-09-1937729_16-32410ND
2016-09-1937729_16-32409ND
2016-09-1937729_16-32413ND
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