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EWG's Tap Water Database — 2021 UPDATE

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Nitrate

Aqua NJ - Blackwood

Nitrate, a fertilizer chemical, frequently contaminates drinking water due to agricultural and urban runoff, and discharges from municipal wastewater treatment plants and septic tanks. Excessive nitrate in water can cause oxygen deprivation in infants and increase the risk of cancer. Click here to read more about nitrate.

MORE ABOUT THIS CONTAMINANT

 

61

Samples

0

Samples exceeding legal limit (MCL)

12

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20140.590 ppm103ND - 2.70 ppm
20150.333 ppm92ND - 1.70 ppm
20160.333 ppm92ND - 1.60 ppm
20170.181 ppm162ND - 1.60 ppm
20180.150 ppm81ND - 1.20 ppm
20190.478 ppm92ND - 2.20 ppm

ppm = parts per million

State and national drinking water standards and health guidelines

EWG Health Guideline 0.14 ppm

The EWG Health Guideline of 0.14 ppm for nitrate was defined by EWG . This health guideline protects against cancer and harm to fetal growth and development.

EPA Maximum Contaminant
Level (MCL) 10 ppm

The legal limit for nitrate, established in 1962, was developed to protect infants from acute methemoglobinemia, a life-threatening disorder of oxygen transport in the body. This limit does not fully protect against the risk of cancer and harm to the developing fetus.

ppm = parts per million

All test results

Date Lab ID Result
2014-01-06AE200811.60 ppm
2014-01-20AE21751ND
2014-01-20AE21750ND
2014-01-21AE21752ND
2014-01-21AE21753ND
2014-01-27AE222272.70 ppm
2014-01-27AE222291.60 ppm
2014-01-27AE22228ND
2014-01-27AE22230ND
2014-03-17AE27073ND
2015-01-05AE61752ND
2015-01-05AE61751ND
2015-01-19AE63356ND
2015-01-19AE63358ND
2015-01-19AE633591.70 ppm
2015-01-19AE63360ND
2015-01-19AE63357ND
2015-01-20AE634811.30 ppm
2015-05-19AE76369ND
2016-01-04AF042011.40 ppm
2016-01-04AF04200ND
2016-01-04AF04198ND
2016-01-04AF04199ND
2016-01-05AF04202ND
2016-01-05AF04203ND
2016-04-26AF14320ND
2016-07-06AF21419ND
2016-09-19AF303501.60 ppm
2017-01-03AF398631.60 ppm
2017-04-07AF48195ND
2017-04-07AF48193ND
2017-04-07AF48185ND
2017-04-17AF48770ND
2017-04-17AF48772ND
2017-04-18AF48753ND
2017-04-18AF48774ND
2017-06-27AF55613ND
2017-06-27AF55614ND
2017-06-27AF55615ND
2017-07-10AF56786ND
2017-07-10AF56785ND
2017-07-17AF57558ND
2017-08-22AF61376ND
2017-10-17AF669471.30 ppm
2018-04-03AF80482ND
2018-04-17AF81749ND
2018-04-24AF82264ND
2018-04-30AF82955ND
2018-07-11AF89593ND
2018-07-11AF89589ND
2018-07-30AF91270ND
2018-10-08AF979151.20 ppm
2019-04-02AG13137ND
2019-04-17AG15354ND
2019-04-17AG15355ND
2019-04-18AG15356ND
2019-09-17AG326582.20 ppm
2019-09-17AG32657ND
2019-09-17AG32659ND
2019-09-17AG32660ND
2019-12-03AG413662.10 ppm