Know Your Environment. Protect Your Health.

Nitrate

Montclair Condominiums

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.140 ppm110.140 ppm
20190.110 ppm220.110 ppm
20200.405 ppm220.160 ppm - 0.650 ppm
20210.530 ppm110.530 ppm
20220.213 ppm330.170 ppm - 0.240 ppm
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

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
2018-12-19S035746-010.140 ppm
2019-10-18420-162109-50.110 ppm
2019-10-18420-162109-5A0.110 ppm
2020-09-16420-180948-1A0.650 ppm
2020-12-10420-187112-30.160 ppm
2021-02-16420-191186-1A0.530 ppm
2022-02-10S0000561070.228 ppm
2022-06-08BD04493-A0.170 ppm
2022-09-14S0000971740.240 ppm