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EWG's Tap Water Database — 2021 UPDATE

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Nitrate and nitrite

NJ American Water - Atlantic County

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

 

88

Samples

0

Samples exceeding legal limit (MCL)

61

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.15 ppm1512ND - 3.29 ppm
20151.22 ppm1410ND - 3.38 ppm
20161.07 ppm159ND - 3.34 ppm
20171.18 ppm1510ND - 3.63 ppm
20180.981 ppm1510ND - 3.04 ppm
20191.26 ppm1412ND - 3.21 ppm

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
2014-01-14245407011.07 ppm
2014-01-14245410010.440 ppm
2014-01-14245408011.05 ppm
2014-01-1424543301ND
2014-03-1124930401ND
2014-03-11249276012.09 ppm
2014-03-11249282011.97 ppm
2014-04-14253760010.940 ppm
2014-04-21253767012.14 ppm
2014-04-22253763010.570 ppm
2014-05-12253779013.29 ppm
2014-05-19254918010.340 ppm
2014-06-23253756010.420 ppm
2014-06-2525756201ND
2014-06-30257577012.94 ppm
2015-01-20278440011.16 ppm
2015-01-20278439010.970 ppm
2015-01-21278442010.450 ppm
2015-01-2127846601ND
2015-03-18283233012.64 ppm
2015-03-18283228012.04 ppm
2015-03-2428325401ND
2015-04-1528525901ND
2015-04-21285270013.38 ppm
2015-04-27285253010.390 ppm
2015-04-29285256013.04 ppm
2015-05-12290403010.230 ppm
2015-06-02293417012.79 ppm
2015-06-0829340401ND
2016-01-1231080501ND
2016-01-13310808010.420 ppm
2016-01-18310806011.25 ppm
2016-01-2031082901ND
2016-03-15315311012.23 ppm
2016-03-1531532901ND
2016-03-22315308012.16 ppm
2016-04-1231800201ND
2016-04-12317999010.450 ppm
2016-04-25318015013.34 ppm
2016-04-25318024013.03 ppm
2016-05-17320747010.260 ppm
2016-06-08325184012.94 ppm
2016-06-2132517101ND
2016-07-1232520801ND
2017-01-16344242011.28 ppm
2017-01-16344245010.430 ppm
2017-01-16344243011.26 ppm
2017-01-1634426601ND
2017-03-0735002601ND
2017-03-07350009012.01 ppm
2017-03-20350012012.43 ppm
2017-04-0535316201ND
2017-04-17353170013.05 ppm
2017-04-17353159013.63 ppm
2017-05-24355831010.210 ppm
2017-06-1435982301ND
2017-06-14359827012.95 ppm
2017-06-1435983201ND
2017-07-31359794010.420 ppm
2018-01-22384234010.420 ppm
2018-01-22384232010.0700 ppm
2018-01-2338425401ND
2018-01-2338423101ND
2018-03-1238948401ND
2018-03-12389467011.87 ppm
2018-03-12389464012.09 ppm
2018-04-11392592010.560 ppm
2018-04-18392586010.420 ppm
2018-04-18392602013.03 ppm
2018-04-25392588013.01 ppm
2018-05-16395528010.200 ppm
2018-06-0640018301ND
2018-06-06400156013.04 ppm
2018-06-2640014301ND
2019-01-07426192010.910 ppm
2019-01-0742621501ND
2019-01-09426193011.47 ppm
2019-01-22426195010.400 ppm
2019-03-1143457301ND
2019-03-11434575012.08 ppm
2019-03-11434574012.35 ppm
2019-04-16436830010.450 ppm
2019-04-17436834010.550 ppm
2019-05-13436835013.16 ppm
2019-05-14442352010.210 ppm
2019-05-20436833012.82 ppm
2019-06-06447569013.21 ppm
2019-06-06447575010.0300 ppm