Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Nitrate and nitrite

Jones Mcginty 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.

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND100ND
2016ND40ND
2017ND40ND
2018ND60ND
2019ND20ND

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
2014-12-10AE00469ND
2014-12-10AE00468ND
2014-12-10AE00469ND
2014-12-10AE00468ND
2015-08-2835205667007ND
2015-08-2835205667007ND
2015-08-2835205667008ND
2015-08-2835205667008ND
2015-10-1235211729004ND
2015-10-1235211729005ND
2015-10-1235211729005ND
2015-10-1235211729004ND
2015-10-1935212819003ND
2015-10-1935212819003ND
2016-05-1035245124006ND
2016-05-1035245124005ND
2016-05-1035245124005ND
2016-05-1035245124006ND
2017-10-2635345535002ND
2017-10-2635345535001ND
2017-10-2635345535001ND
2017-10-2635345535002ND
2018-07-0935403466001ND
2018-07-0935403466003ND
2018-07-0935403466002ND
2018-07-0935403466001ND
2018-07-0935403466003ND
2018-07-0935403466002ND
2019-11-2235515052001ND
2019-11-2235515052001ND