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EWG's Tap Water Database — 2021 UPDATE

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Nitrate

City of Owosso

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND70ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND130ND
2019ND10ND

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
2014-09-17LLF38903ND
2014-09-17LLF38904ND
2014-09-17LLF38905ND
2014-09-17LLF38907ND
2014-09-17LLF38906ND
2014-09-17LLF38908ND
2014-09-17LLF38902ND
2018-03-12LLH70073ND
2018-04-30LLH77945ND
2018-05-01LLH77947ND
2018-05-01LLH77951ND
2018-05-01LLH77946ND
2018-05-01LLH77949ND
2018-05-01LLH77940ND
2018-05-01LLH77948ND
2018-05-01LLH77944ND
2018-05-01LLH77950ND
2018-05-01LLH77943ND
2018-05-01LLH77942ND
2018-05-01LLH77941ND
2019-08-01LLI53310ND