Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Nitrate

Owensboro Municipal Utilities

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.317 ppm440.305 ppm - 0.328 ppm
2013ND20ND
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND

ppm = parts per million

State and national drinking water standards and health guidelines

EWG Health Guideline 0.14 ppm

The EWG Health Guideline of 0.14 ppm for nitrate was defined by EWG . This health guideline protects against cancer and harm to fetal growth and development.

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
2012-07-03000154530.328 ppm
2012-07-0300015453-NIT0.328 ppm
2012-07-03000154540.305 ppm
2012-07-0300015454-NIT0.305 ppm
2013-09-26L65998003ND
2013-09-26L65998004ND
2014-06-10L70392202ND
2014-06-10L70392201ND
2015-06-18L77211002ND
2015-06-18L77211001ND
2016-06-06L83972301ND
2016-06-06L83972302ND
2017-06-14L91626502ND
2017-06-14L91626501ND