Know Your Environment. Protect Your Health.

Nitrate and nitrite

Lovelock Meadows Water District

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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

25

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.000 ppm550.700 ppm - 1.50 ppm
20190.660 ppm54ND - 1.000 ppm
20200.980 ppm550.700 ppm - 1.80 ppm
20210.967 ppm660.500 ppm - 1.70 ppm
20220.850 ppm220.600 ppm - 1.10 ppm
20230.750 ppm330.600 ppm - 0.950 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
2018-03-05EN2018-000010841.000 ppm
2018-07-30EN2018-000037210.700 ppm
2018-07-30EN2018-000037231.50 ppm
2018-09-12EN2018-000047340.700 ppm
2018-10-15EN2018-000053101.10 ppm
2019-02-25EN2019-000007050.900 ppm
2019-04-17EN2019-00001558ND
2019-06-05EN2019-000025320.500 ppm
2019-07-24EN2019-000035501.000 ppm
2019-08-12EN2019-000039340.900 ppm
2020-02-05EN2020-000071000.900 ppm
2020-02-25EN2020-000074070.700 ppm
2020-03-16EN2020-000077410.800 ppm
2020-07-06EN2020-000090940.700 ppm
2020-07-06EN2020-000090931.80 ppm
2021-01-11EN2021-000118030.700 ppm
2021-02-01EN2021-00011950.500 ppm
2021-03-01EN2021-000122461.000 ppm
2021-08-02EN2021-000142511.10 ppm
2021-08-02EN2021-000142521.70 ppm
2021-08-02EN2021-000142530.800 ppm
2022-03-01EN2022-000018590.600 ppm
2022-04-04EN2022-000014251.10 ppm
2023-03-06EN2023-000007440.950 ppm
2023-06-05EN2023-000020510.700 ppm
2023-07-05EN2023-000024830.600 ppm