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EWG's Tap Water Database — 2021 UPDATE

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Nitrate and nitrite

City of Ocean Springs

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

 

35

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND60ND
2015ND60ND
2016ND60ND
2017ND60ND
2018ND60ND
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
2014-04-02140403-036NIND
2014-04-02140403-035NIND
2014-04-02140403-034NIND
2014-04-02140403-033NIND
2014-04-02140403-032NIND
2014-04-02140403-027NIND
2015-03-23150324-116NIND
2015-03-23150324-100NIND
2015-03-23150324-110NIND
2015-03-23150324-115NIND
2015-03-23150324-117NIND
2015-03-23150324-120NIND
2016-04-13160414-024NIND
2016-04-13160414-036NIND
2016-04-13160414-031NIND
2016-04-13160414-029NIND
2016-04-13160414-028NIND
2016-04-13160414-026NIND
2017-03-06170307-041NIND
2017-03-06170307-039NIND
2017-03-06170307-038NIND
2017-03-06170307-037NIND
2017-03-06170307-036NIND
2017-03-06170307-035NIND
2018-02-14180215-035NIND
2018-02-14180215-018NIND
2018-02-14180215-027NIND
2018-02-14180215-028NIND
2018-02-14180215-029NIND
2018-02-14180215-036NIND
2019-02-26190227-010NIND
2019-02-26190227-076NIND
2019-02-26190227-040NIND
2019-02-26190227-030NIND
2019-02-26190227-020NIND