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EWG's Tap Water Database — 2021 UPDATE

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Nitrate and nitrite

Buckeye Water District 50

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.

 

38

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND100ND
2016ND100ND
20170.0670 ppm440.0380 ppm - 0.0960 ppm
2018ND100ND
2019N/A00N/A

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
2014-12-01AE00157ND
2014-12-01AE00156ND
2014-12-01AE00157ND
2014-12-01AE00156ND
2015-11-0235215208003ND
2015-11-0235215208001ND
2015-11-0235215208002ND
2015-11-0235215208003ND
2015-11-0235215208005ND
2015-11-0235215208004ND
2015-11-0235215208002ND
2015-11-0235215208001ND
2015-11-0235215208005ND
2015-11-0235215208004ND
2016-10-1235271142008ND
2016-10-1235271142010ND
2016-10-1235271142007ND
2016-10-1235271142006ND
2016-10-1235271142009ND
2016-10-1235271142010ND
2016-10-1235271142006ND
2016-10-1235271142007ND
2016-10-1235271142008ND
2016-10-1235271142009ND
2017-10-10353431370010.0960 ppm
2017-10-10353431370020.0380 ppm
2017-10-10353431370010.0960 ppm
2017-10-10353431370020.0380 ppm
2018-02-0835373341001ND
2018-02-0835373341005ND
2018-02-0835373341004ND
2018-02-0835373341003ND
2018-02-0835373341002ND
2018-02-0835373341001ND
2018-02-0835373341005ND
2018-02-0835373341004ND
2018-02-0835373341003ND
2018-02-0835373341002ND