Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Nitrate and nitrite

City of Denham Springs 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

 

88

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND160ND
2015ND120ND
2016ND120ND
20170.00700 ppm224ND - 0.0460 ppm
2018ND140ND
2019ND120ND

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
2014-06-17AD92280ND
2014-06-17AD92275ND
2014-06-17AD92270ND
2014-06-17AD92265ND
2014-06-17AD92260ND
2014-06-17AD92280ND
2014-06-17AD92275ND
2014-06-17AD92270ND
2014-06-17AD92265ND
2014-06-17AD92260ND
2014-06-24AD92605ND
2014-06-24AD92605ND
2014-12-01AE00630ND
2014-12-01AE00630ND
2014-12-08AE00286ND
2014-12-08AE00286ND
2015-07-0735196403007ND
2015-07-0735196403008ND
2015-07-0735196403009ND
2015-07-0735196403010ND
2015-07-0735196403010ND
2015-07-0735196403009ND
2015-07-0735196403008ND
2015-07-0735196403007ND
2015-09-1635207899001ND
2015-09-1635207899001ND
2015-11-0335216629019ND
2015-11-0335216629019ND
2016-07-11AE07781ND
2016-07-11AE07780ND
2016-07-11AE07781ND
2016-07-11AE07783ND
2016-07-11AE07784ND
2016-07-11AE07788ND
2016-07-11AE07789ND
2016-07-11AE07780ND
2016-07-11AE07789ND
2016-07-11AE07788ND
2016-07-11AE07784ND
2016-07-11AE07783ND
2017-01-1835291489008ND
2017-01-1835291489009ND
2017-01-1835291489010ND
2017-01-18352914890070.0460 ppm
2017-01-18352914890060.0310 ppm
2017-01-1835291489010ND
2017-01-1835291489009ND
2017-01-1835291489008ND
2017-01-18352914890070.0460 ppm
2017-01-18352914890060.0310 ppm
2017-07-17AE15690ND
2017-07-17AE15702ND
2017-07-17AE15706ND
2017-07-17AE15694ND
2017-07-17AE15690ND
2017-07-17AE15694ND
2017-07-17AE15702ND
2017-07-17AE15706ND
2017-08-0135331287014ND
2017-08-0135331287014ND
2017-09-25AE18609ND
2017-09-25AE18609ND
2018-01-31AE20520ND
2018-01-31AE20520ND
2018-05-03B1801883-003ND
2018-05-03B1801883-002ND
2018-05-03B1801883-001ND
2018-05-03B1801883-001ND
2018-05-03B1801883-002ND
2018-05-03B1801883-003ND
2018-09-11B1804164-003ND
2018-09-11B1804164-002ND
2018-09-11B1804164-001ND
2018-09-11B1804164-001ND
2018-09-11B1804164-002ND
2018-09-11B1804164-003ND
2019-05-28B1902220-001ND
2019-05-28B1902220-006ND
2019-05-28B1902220-005ND
2019-05-28B1902220-004ND
2019-05-28B1902220-003ND
2019-05-28B1902220-002ND
2019-05-28B1902220-001ND
2019-05-28B1902220-006ND
2019-05-28B1902220-005ND
2019-05-28B1902220-004ND
2019-05-28B1902220-003ND
2019-05-28B1902220-002ND