Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Nitrite

Lyme Academy Apartments LLC

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND20ND
2016ND20ND
2017ND20ND
2018ND20ND
2019ND40ND

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
2014-10-16BH28467NOXND
2014-10-16BH28468NOXND
2014-12-12BH52637NOXND
2014-12-12BH52638NOXND
2015-07-10BJ44675NOXND
2015-07-10BJ44676NOXND
2016-04-14BN13921NOXND
2016-04-14BN13922NOXND
2017-01-05BX16401NOXND
2017-01-05BX16402NOXND
2018-04-05CA14772NOXND
2018-04-05CA14773NOXND
2019-02-05CC40788ND
2019-02-05CC40789ND
2019-10-17CE42742ND
2019-10-17CE42743ND