Know Your Environment. Protect Your Health.

Nitrate and nitrite

Barton Dade Cedar & Jasper Counties Consolidated Public Water Supply District 1

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.

 

55

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.0133 ppm91ND - 0.120 ppm
20190.0133 ppm91ND - 0.120 ppm
20200.0191 ppm94ND - 0.134 ppm
20210.0139 ppm91ND - 0.125 ppm
20220.0145 ppm101ND - 0.145 ppm
20230.0186 ppm91ND - 0.167 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
2018-05-18AD20175ND
2018-05-18AD20176ND
2018-05-18AD20177ND
2018-05-18AD20178ND
2018-05-18AD20179ND
2018-05-18AD20180ND
2018-05-18AD20181ND
2018-05-18AD20174ND
2018-05-24AD269640.120 ppm
2019-05-20AD475520.120 ppm
2019-05-20AD47553ND
2019-05-20AD47551ND
2019-05-20AD47550ND
2019-05-20AD47548ND
2019-05-20AD47547ND
2019-05-20AD47545ND
2019-05-20AD47546ND
2019-05-20AD47549ND
2020-05-2620091560.0120 ppm
2020-05-262009159ND
2020-05-262009158ND
2020-05-262009167ND
2020-05-2620091570.134 ppm
2020-05-2620091600.0130 ppm
2020-05-262009161ND
2020-05-2620091620.0130 ppm
2020-05-262009166ND
2021-05-172111240ND
2021-05-172111248ND
2021-05-1721112470.125 ppm
2021-05-172111246ND
2021-05-172111245ND
2021-05-172111243ND
2021-05-172111242ND
2021-05-172111241ND
2021-05-172111244ND
2022-05-1722118020.145 ppm
2022-05-172211801ND
2022-05-172211803ND
2022-05-172211800ND
2022-05-172211795ND
2022-05-172211796ND
2022-05-172211797ND
2022-05-172211798ND
2022-05-172211799ND
2022-11-112219082ND
2023-05-192308376ND
2023-05-192308377ND
2023-05-192308378ND
2023-05-192308379ND
2023-05-192308375ND
2023-05-192308380ND
2023-05-192308381ND
2023-05-1923083820.167 ppm
2023-05-192308383ND