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EWG's Tap Water Database — 2021 UPDATE

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Nitrate

Burr Oak

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.

MORE ABOUT THIS CONTAMINANT

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019ND200ND

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
2014-09-24LLF40368ND
2018-09-10LLI04090ND
2019-07-12LLI49421ND
2019-07-25LLI52062ND
2019-07-25LLI52064ND
2019-07-25LLI52061ND
2019-08-12LLI55545ND
2019-08-23LLI58965ND
2019-09-03LLI61252ND
2019-09-19LLI65214ND
2019-09-30LLI68224ND
2019-09-30LLI68225ND
2019-10-18LLI71397ND
2019-10-30LLI73702ND
2019-11-15LLI77293ND
2019-11-25LLI79767ND
2019-12-04LLI81244ND
2019-12-30LLI86076ND
2019-12-30LLI86073ND
2019-12-30LLI86074ND
2019-12-31LLI86101ND
2019-12-31LLI86102ND