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EWG's Tap Water Database — 2021 UPDATE

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Nitrate and nitrite

Oasis Mobile Home Park

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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND30ND
2016ND30ND
2017ND30ND
2018ND40ND
2019ND30ND

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
2014-03-10SC40193-02_01ND
2014-03-10SC40193-01_01ND
2014-07-27SG41547-01_01ND
2015-01-12SA50194-01_01ND
2015-01-12SA50194-02_01ND
2015-08-04SH50142-01_01ND
2016-02-1516B0426-01_01ND
2016-02-1516B0426-02_01ND
2016-07-2516G1094-01_01ND
2017-01-1017A0291-02_01ND
2017-01-1017A0291-01_01ND
2017-07-1817G0754-01_01ND
2018-01-0818A0071-01_01ND
2018-01-0818A0071-02_01ND
2018-05-2318E1016-01_02ND
2018-07-1018G0292-01ND
2019-01-1419A0330-01_01ND
2019-01-1419A0330-02_01ND
2019-07-2219G0696-01ND