Know Your Environment. Protect Your Health.

Nitrite

City of Beaverton

NOTE: City of Beaverton purchases water from Joint Water Commission which is required to test for nitrite. Sample information shown below was taken by Joint Water Commission.

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND10ND
2023ND70ND

ppm = parts per million

State, National, and Health Guidelines for Drinking Water

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

NOTE: City of Beaverton purchases water from Joint Water Commission which is required to test for nitrite. Sample information shown below was taken by Joint Water Commission.

Date Lab ID Result
2018-02-071809141ND
2018-11-051884309ND
2019-04-241928990A-IND
2019-11-041981259ND
2020-04-012021410-IND
2020-11-042074464-IND
2021-04-072123196-IND
2021-11-032180746-IND
2022-03-312221620-IND
2022-11-0222-71086-IND
2023-04-1023-19659-IND
2023-11-0623-67462-IND