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EWG's Tap Water Database — 2021 UPDATE

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Nitrite

Loma Linda Power Plant

Nitrite, closely related to the fertilizer chemical nitrate, comes from urban runoff and from fertilizer applied to agricultural lands to pollute drinking water. Nitrite is significantly more toxic than nitrate. Excessive nitrite in water can cause oxygen deprivation in infants and increase the risk of cancer.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND60ND
2016ND50ND
2017N/A00N/A
2018ND20ND
2019N/A00N/A

ppm = parts per million

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 1 ppm

The legal limit for nitrite, established in 1991, was based on the rate of conversion of ingested nitrate into nitrite in adults. This limit may not fully protect against the risk of cancer due to nitrite exposure.

ppm = parts per million

All test results

Date Lab ID Result
2014-02-104790-003-0954ND
2014-02-104790-002-1000ND
2014-02-194790-003-0944ND
2014-02-194790-002-1233ND
2014-05-074790-002-0838ND
2014-05-074790-001-0810ND
2014-08-124790-003-0620ND
2014-08-124790-002-0635ND
2015-02-064790-002-1000ND
2015-02-064790-003-0950ND
2015-05-064790-002-0721ND
2015-05-064790-003-0712ND
2015-08-114790-003-0932ND
2015-08-114790-002-0940ND
2016-02-014790-002-0850ND
2016-05-184790-003-0710ND
2016-05-184790-002-0841ND
2016-08-124790-003-0731ND
2016-08-124790-002-0810ND
2018-05-312993-004-0900ND
2018-08-082993-004-0740ND