X

Nitrate and nitrite more about

this contaminant

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.

Nitrate and nitrite was found at 11 times above EWG's Health Guideline.

EWG Health Guideline 0.14 ppm or less This Utility 1.48 ppm Legal Limit 10 ppm National Average 0.891 ppm State Average 1.5 ppm

The state and national averages were calculated using the averages of the contaminant measurements for each utility in 2015-2017.

ppm = parts per million

Health Risks The 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.