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EWG's Tap Water Database — 2021 UPDATE

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Nitrate

Santa Fe ID

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)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND40ND
2015ND40ND
2016ND20ND
20170.215 ppm41ND - 0.860 ppm
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
2014-03-139590-003-0930ND
2014-06-189590-003-0800ND
2014-09-179590-003-0800ND
2014-12-179590-003-0900ND
2015-03-199590-003-0945ND
2015-06-229590-003-0900ND
2015-09-239590-003-0745ND
2015-12-159590-003-0730ND
2016-03-309590-003-0600ND
2016-06-139590-003-0800ND
2017-03-159590-003-10000.860 ppm
2017-08-239590-003-0800ND
2017-09-129590-003-1000ND
2017-12-129590-003-0700ND
2018-03-079590-003-0710ND
2018-06-199590-003-0900ND
2018-10-229590-003-0830ND
2018-12-119590-003-0922ND
2019-03-129590-003-0830ND
2019-06-059590-003-0800ND
2019-09-179590-003-1007ND
2019-12-109590-003-0931ND