Know Your Environment. Protect Your Health.

Nitrate and nitrite

City of Abbeville Water System

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)

7

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
20190.260 ppm220.260 ppm
20200.400 ppm220.400 ppm
20210.400 ppm110.400 ppm
20220.450 ppm220.300 ppm - 0.600 ppm
2023ND10ND

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
2018-04-02B1801523-001ND
2018-04-02B1801523-001ND
2019-02-19354496800060.260 ppm
2019-02-19354496800060.260 ppm
2020-04-03B2001659-0010.400 ppm
2020-05-18B2002327-0040.400 ppm
2021-03-16B2101252-0010.400 ppm
2022-01-27B2200482-0010.300 ppm
2022-12-02B2205710-0010.600 ppm
2023-05-08B2301912-004ND