Know Your Environment. Protect Your Health.

Nitrate

Sturdivant Progress Water Supply Corporation

Nitrate, a fertilizer chemical, frequently contaminates drinking water due to agricultural and urban runoff, and discharges from municipal wastewater treatment plants and septic tanks. Excessive nitrate in water can cause oxygen deprivation in infants and increase the risk of cancer. Click here to read more about nitrate.

 

19

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.0785 ppm220.0705 ppm - 0.0864 ppm
20190.0437 ppm220.0391 ppm - 0.0483 ppm
20200.0423 ppm220.0401 ppm - 0.0445 ppm
20210.0386 ppm220.0361 ppm - 0.0410 ppm
20220.0293 ppm550.0242 ppm - 0.0350 ppm
20230.0639 ppm660.0347 ppm - 0.145 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

The legal limit for nitrate, established in 1962, was developed to protect infants from acute methemoglobinemia, a life-threatening disorder of oxygen transport in the body. This limit does not fully protect against the risk of cancer and harm to the developing fetus.

ppm = parts per million

All test results

Date Lab ID Result
2018-08-22Q18337770030.0705 ppm
2018-08-22Q18337770010.0864 ppm
2019-05-29Q19296200010.0483 ppm
2019-05-29Q19296200020.0391 ppm
2020-06-03Q20219820030.0401 ppm
2020-06-03Q20219820040.0445 ppm
2021-05-26Q21137000030.0410 ppm
2021-05-26Q21137000040.0361 ppm
2022-03-22Q22091840020.0317 ppm
2022-03-22Q22091840010.0313 ppm
2022-05-26Q22152490030.0244 ppm
2022-09-27Q22290070010.0242 ppm
2022-11-16Q22345520030.0350 ppm
2023-02-09Q23052330010.145 ppm
2023-05-09Q23174640010.0459 ppm
2023-06-07Q23214100010.0347 ppm
2023-08-28Q23367490010.0376 ppm
2023-08-28Q23367490020.0428 ppm
2023-12-04Q23513280010.0771 ppm