Know Your Environment. Protect Your Health.

Nitrate and nitrite

Norcross Mobile Home Village

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
20190.320 ppm110.320 ppm
20200.350 ppm110.350 ppm
20210.340 ppm110.340 ppm
20220.210 ppm110.210 ppm
20230.510 ppm110.510 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
2018-06-14AJ91579ND
2019-05-16AK176680.320 ppm
2020-08-06AK542570.350 ppm
2021-04-19AK732040.340 ppm
2022-05-24AL017890.210 ppm
2023-05-01AL303800.510 ppm