Know Your Environment. Protect Your Health.

Nitrate and nitrite

Ragan, Village of

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
20181.56 ppm221.32 ppm - 1.79 ppm
20191.14 ppm220.440 ppm - 1.84 ppm
20201.09 ppm220.349 ppm - 1.83 ppm
20211.09 ppm220.335 ppm - 1.84 ppm
20221.23 ppm220.751 ppm - 1.71 ppm
20231.16 ppm220.467 ppm - 1.86 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