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EWG's Tap Water Database — 2021 UPDATE

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Nitrate

Sault Ste Marie

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

 

29

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
20180.400 ppm110.400 ppm
2019ND270ND

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
2014-09-23LLF40070ND
2018-03-06LLH691630.400 ppm
2019-06-11LLI42590ND
2019-07-10LLI49138ND
2019-07-24LLI51968ND
2019-08-07LLI55019ND
2019-08-07LLI55017ND
2019-08-07LLI55016ND
2019-08-07LLI55014ND
2019-08-07LLI55015ND
2019-08-07LLI55013ND
2019-08-21LLI58407ND
2019-09-04LLI61599ND
2019-09-18LLI65387ND
2019-09-24LLI67030ND
2019-09-24LLI67029ND
2019-09-24LLI67032ND
2019-09-24LLI67031ND
2019-10-02LLI68961ND
2019-10-16LLI71186ND
2019-10-16LLI71188ND
2019-10-16LLI71189ND
2019-10-16LLI71187ND
2019-11-06LLI75696ND
2019-11-06LLI75695ND
2019-11-20LLI78706ND
2019-11-20LLI78705ND
2019-12-04LLI81343ND
2019-12-04LLI81344ND