Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Nitrite

City of Miles

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.0713 ppm41ND - 0.285 ppm
20130.111 ppm41ND - 0.445 ppm
2014ND40ND
2015ND30ND
2016N/A00N/A
2017N/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
2012-03-27AB85325ND
2012-05-24AB90768ND
2012-09-05AC00393ND
2012-12-1212125340010.285 ppm
2013-01-2813017360010.445 ppm
2013-04-241304878001ND
2013-09-09Q1306764002ND
2013-10-31Q1311057003ND
2014-02-27AC44888ND
2014-05-28AC55275ND
2014-09-23AC68016ND
2014-12-09AC74075ND
2015-03-10AC83602ND
2015-07-20AD00011ND
2015-11-03AD12277ND