Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Nitrate and nitrite

Dothan Utilities

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.

MORE ABOUT THIS CONTAMINANT

 

28

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
20190.0643 ppm281ND - 1.80 ppm

ppm = parts per million

State and national drinking water standards and health guidelines

EWG Health Guideline 0.14 ppm

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.

EPA Maximum Contaminant
Level (MCL) 10 ppm

ppm = parts per million

All test results

Date Lab ID Result
2019-04-03680-166991-27ND
2019-04-03680-166991-26ND
2019-04-03680-166991-24ND
2019-04-03680-166991-18ND
2019-04-03680-166991-21ND
2019-04-03680-166991-2ND
2019-04-03680-166991-15ND
2019-04-03680-166991-9ND
2019-04-03680-166991-8ND
2019-04-03680-166991-11ND
2019-04-03680-166991-16ND
2019-04-03680-166991-14ND
2019-04-03680-166991-22ND
2019-04-03680-166991-10ND
2019-04-03680-166991-20ND
2019-04-03680-166991-28ND
2019-04-03680-166991-7ND
2019-04-03680-166991-13ND
2019-04-03680-166991-12ND
2019-04-03680-166991-6ND
2019-04-03680-166991-5ND
2019-04-03680-166991-3ND
2019-04-03680-166991-23ND
2019-04-03680-166991-19ND
2019-04-03680-166991-11.80 ppm
2019-09-25681-174609-1ND
2019-09-25681-174609-2ND
2019-09-30680-174771-1ND