Know Your Environment. Protect Your Health.

Nitrite

Summit Township Water Authority

NOTE: Summit Township Water Authority purchases water from Erie City Water Authority which is required to test for nitrite. Sample information shown below was taken by Erie City Water Authority.

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND30ND
2021ND30ND
2022ND30ND
2023ND10ND

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: Summit Township Water Authority purchases water from Erie City Water Authority which is required to test for nitrite. Sample information shown below was taken by Erie City Water Authority.

Date Lab ID Result
2018-01-083849219ND
2018-05-213941479ND
2018-08-214030512ND
2019-05-214302819ND
2019-09-104415502ND
2019-11-184489099ND
2020-03-1921954371.00ND
2020-04-0122141714.00ND
2020-05-1822335986.00ND
2020-08-2622923495.00ND
2020-09-2323112311.00ND
2021-04-0624363620.00ND
2021-05-1924561647.00ND
2022-04-1226577552.00ND
2022-05-1726770608.00ND
2023-04-0428825944.00ND
2023-04-1828826389.00ND