Know Your Environment. Protect Your Health.

Nitrate and nitrite

High Desert Detention Center

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019N/A00N/A
2020N/A00N/A
2021ND30ND
2022ND40ND
2023N/A00N/A

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
2018-04-24CA3601182_001_001-201804241100ND
2018-07-09CA3601182_001_001-201807091100ND
2021-06-08CA3601182_DST_800-202106081215ND
2021-09-21CA3601182_001_001-202109211132ND
2021-12-15CA3601182_001_001-202112151142ND
2022-03-15CA3601182_001_001-202203151207ND
2022-05-25CA3601182_001_001-202205251008ND
2022-07-19CA3601182_001_001-202207191233ND
2022-12-14CA3601182_001_001-202212141113ND