Know Your Environment. Protect Your Health.

Nitrate and nitrite

Buckeye Water District 50

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND100ND
2019N/A00N/A
20200.0370 ppm21ND - 0.0740 ppm
20210.200 ppm220.200 ppm
2022ND20ND
20230.150 ppm21ND - 0.300 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
2018-02-0835373341002ND
2018-02-0835373341005ND
2018-02-0835373341004ND
2018-02-0835373341003ND
2018-02-0835373341002ND
2018-02-0835373341001ND
2018-02-0835373341005ND
2018-02-0835373341004ND
2018-02-0835373341003ND
2018-02-0835373341001ND
2020-06-25355593980010.0740 ppm
2020-06-2535559398002ND
2021-02-02B2100479-0060.200 ppm
2021-02-02B2100479-0070.200 ppm
2022-04-07B2201672-001ND
2022-04-07B2201672-002ND
2023-04-17B2301813-0010.300 ppm
2023-04-17B2301813-002ND