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EWG's Tap Water Database — 2019 UPDATE

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Nitrate and nitrite

Southern Manor M H P

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND20ND
2014ND40ND
2015ND20ND
20160.0270 ppm220.0270 ppm
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
2012-10-08AD71561ND
2012-10-08AD71561ND
2013-12-20AD88070ND
2013-12-20AD88070ND
2014-08-25WELL2ND
2014-08-25WELL2ND
2014-10-21AD98864ND
2014-10-21AD98864ND
2015-10-2035213292003ND
2015-10-2035213292003ND
2016-03-18352358540080.0270 ppm
2016-03-18352358540080.0270 ppm
2017-12-0135363107001ND
2017-12-0135363107001ND
2017-12-18AE20257ND
2017-12-18AE20257ND