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EWG's Tap Water Database — 2019 UPDATE

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Nitrate and nitrite

City of Cleveland

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND40ND
2013ND40ND
2014ND40ND
2015ND40ND
2016ND40ND
2017ND40ND

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
2012-01-18120119-050NIND
2012-01-18120119-048NIND
2012-01-18120119-046NIND
2012-01-18120119-040NIND
2013-01-16130117-044NIND
2013-01-16130117-027NIND
2013-01-16130117-008NIND
2013-01-16130117-005NIND
2014-01-22140123-035NIND
2014-01-22140123-034NIND
2014-01-22140123-033NIND
2014-01-29140130-024NIND
2015-02-04150205-081NIND
2015-02-04150205-075NIND
2015-02-04150205-074NIND
2015-02-04150205-073NIND
2016-03-29160330-062NIND
2016-03-29160330-058NIND
2016-03-29160330-056NIND
2016-03-29160330-052NIND
2017-01-18170119-032NIND
2017-01-18170119-035NIND
2017-01-18170119-034NIND
2017-01-18170119-033NIND