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EWG's Tap Water Database — 2021 UPDATE

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Nitrate

Hulon Lakes Subdivision

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

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
20150.00250 ppm41ND - 0.01000 ppm
2016ND40ND
2017ND40ND
2018ND40ND
2019ND40ND

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
2014-01-22AC39753ND
2014-01-22AC39752ND
2014-01-22AC39723ND
2014-01-22AC39721ND
2015-02-24AC81542ND
2015-02-24AC815450.01000 ppm
2015-06-15AC95859ND
2015-06-15AC95857ND
2016-01-26AD19913ND
2016-01-26AD19915ND
2016-01-26AD19919ND
2016-01-26AD19918ND
2017-09-21AD97283ND
2017-09-21AD97280ND
2017-09-21AD97314ND
2017-09-21AD97313ND
2018-07-05AE32352ND
2018-07-05AE32351ND
2018-07-05AE32360ND
2018-07-05AE32359ND
2019-10-09AE86065ND
2019-10-09AE86047ND
2019-10-09AE86049ND
2019-10-09AE86066ND