Know Your Environment. Protect Your Health.

Nitrate and nitrite

Erie County Vermilion 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.

 

0

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.616 ppm1110ND - 1.19 ppm
20190.657 ppm1210ND - 1.35 ppm
20200.558 ppm1210ND - 1.24 ppm
20210.583 ppm12120.110 ppm - 2.09 ppm
20220.440 ppm1210ND - 0.980 ppm
20230.529 ppm12120.140 ppm - 1.68 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