Know Your Environment. Protect Your Health.

Nitrate

Myrtle Springs 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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.0909 ppm330.0227 ppm - 0.173 ppm
20190.0881 ppm330.0424 ppm - 0.176 ppm
20200.0462 ppm440.0276 ppm - 0.0792 ppm
20210.0395 ppm440.0327 ppm - 0.0455 ppm
20220.0460 ppm440.0431 ppm - 0.0487 ppm
20230.0343 ppm440.0252 ppm - 0.0377 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
2018-06-28Q18259240040.0770 ppm
2018-06-28Q18259240250.173 ppm
2018-06-28Q18259240030.0227 ppm
2019-08-26Q19593830010.0459 ppm
2019-08-26Q19593830110.0424 ppm
2019-08-26Q19593830120.176 ppm
2020-03-23Q20121720080.0399 ppm
2020-08-12Q20321240110.0792 ppm
2020-08-12Q20321240150.0380 ppm
2020-08-12Q20321240160.0276 ppm
2021-06-29Q21169150240.0327 ppm
2021-06-29Q21169150280.0383 ppm
2021-06-29Q21169150270.0455 ppm
2021-06-29Q21169150170.0414 ppm
2022-06-09Q22162280120.0462 ppm
2022-06-09Q22162280130.0487 ppm
2022-06-09Q22162280140.0431 ppm
2022-06-09Q22162280170.0459 ppm
2023-04-19Q23145460010.0370 ppm
2023-04-19Q23145460030.0377 ppm
2023-04-19Q23145460220.0371 ppm
2023-04-19Q23145460230.0252 ppm