Know Your Environment. Protect Your Health.

Nitrate and nitrite

Spring Lake Mobile Home Park

Nitrate and nitrite enter water from fertilizer runoff, septic tanks and urban runoff. These contaminants can cause oxygen deprivation for infants and increase the risk of cancer. Nitrite is significantly more toxic than nitrate. Click here to read more about nitrate.

 

10

Samples

0

Samples exceeding legal limit (MCL)

8

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.585 ppm220.550 ppm - 0.620 ppm
20190.410 ppm110.410 ppm
2020N/A00N/A
20210.190 ppm31ND - 0.570 ppm
20220.465 ppm220.460 ppm - 0.470 ppm
20230.445 ppm220.370 ppm - 0.520 ppm

ppm = parts per million

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.14 ppm

The EWG health guideline of 0.14 parts per million, or ppm, for nitrate and nitrite is based on the equivalent health guideline for nitrate, as defined in a peer-reviewed scientific study by EWG. This guideline represents a one-in-one-million annual cancer risk level.

EPA Maximum Contaminant
Level (MCL): 10 ppm

ppm = parts per million

All test results

Date Lab ID Result
2018-05-09AJ894530.620 ppm
2018-05-09AJ894540.550 ppm
2019-06-06AK192790.410 ppm
2021-05-05AK748560.570 ppm
2021-08-10AK83858ND
2021-08-10AK83859ND
2022-06-02AL027230.470 ppm
2022-07-06AL050910.460 ppm
2023-06-06AL335770.520 ppm
2023-06-06AL335830.370 ppm