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.

MORE ABOUT THIS CONTAMINANT

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2014	ND	8	0	ND
2015	ND	2	0	ND
2016	0.300 ppm	2	2	0.300 ppm
2017	0.0700 ppm	8	2	ND - 0.280 ppm
2018	ND	2	0	ND
2019	0.260 ppm	2	2	0.260 ppm

ppm = parts per million

State and national drinking water standards and health guidelines

EWG Health Guideline 0.14 ppm

The 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
2014-04-14	AD90542	ND
2014-04-14	AD90527	ND
2014-04-14	AD90532	ND
2014-04-14	AD90542	ND
2014-04-14	AD90532	ND
2014-04-14	AD90527	ND
2014-12-08	AE00331	ND
2014-12-08	AE00331	ND
2015-01-05	AE00782	ND
2015-01-05	AE00782	ND
2016-10-04	35270120004	0.300 ppm
2016-10-04	35270120004	0.300 ppm
2017-04-24	AE13852	ND
2017-04-24	AE13848	ND
2017-04-24	35308539008	0.280 ppm
2017-04-24	35308539008	0.280 ppm
2017-04-24	AE13848	ND
2017-04-24	AE13852	ND
2017-11-06	AE19777	ND
2017-11-06	AE19777	ND
2018-04-02	B1801523-001	ND
2018-04-02	B1801523-001	ND
2019-02-19	35449680006	0.260 ppm
2019-02-19	35449680006	0.260 ppm