Know Your Environment. Protect Your Health.

Nitrate

Green Acres Mutual Water

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND20ND
2020ND20ND
20210.0850 ppm41ND - 0.340 ppm
20220.0933 ppm31ND - 0.280 ppm
2023ND20ND

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
2018-11-06CA4300573_005_005-201811061043ND
2018-11-06CA4300573_002_002-201811061101ND
2018-12-12CA4300573_002_002-201812121147ND
2019-11-19CA4300573_002_002-201911191017ND
2019-11-19CA4300573_005_005-201911191002ND
2020-11-17CA4300573_005_005-202011171052ND
2020-12-15CA4300573_005_005-202012151150ND
2021-04-12CA4300573_003_003-202104121405ND
2021-07-28CA4300573_002_002-202107281055ND
2021-12-07CA4300573_002_002-2021120711010.340 ppm
2021-12-07CA4300573_005_005-202112071040ND
2022-07-11CA4300573_002_002-2022071111040.280 ppm
2022-07-11CA4300573_005_005-202207111050ND
2022-12-07CA4300573_005_005-202212071117ND
2023-07-11CA4300573_005_005-202307111108ND
2023-07-11CA4300573_002_002-202307111118ND