Know Your Environment. Protect Your Health.

Nitrate and nitrite

Dove Run

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.95 ppm1614ND - 4.74 ppm
20193.30 ppm1714ND - 7.94 ppm
20203.19 ppm1714ND - 7.81 ppm
20213.41 ppm1714ND - 7.89 ppm
2022ND40ND
2023ND130ND

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
2022-09-13S1220490ND
2022-10-06S1220522ND
2022-11-01S1220561ND
2022-12-06S1220606ND
2023-01-03S1235162ND
2023-02-07S1235190ND
2023-03-07S1235224ND
2023-04-04S1235262ND
2023-05-02S1235304ND
2023-06-06S1235340ND
2023-07-18S1235388ND
2023-08-01S1235409ND
2023-09-05S1235448ND
2023-09-22S1287586ND
2023-10-02S1235488ND
2023-11-07S1235528ND
2023-12-05S1235556ND