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EWG's Tap Water Database — 2021 UPDATE

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Nitrate and nitrite

Village Guthrie Subdivision

Nitrate and nitrite enter water from fertilizer runoff, septic tanks and urban runoff. These contaminants can cause oxygen deprivation for infants and increase the risk of cancer. Nitrite is significantly more toxic than nitrate. Click here to read more about nitrate.

 

32

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
20150.190 ppm440.190 ppm
2016ND40ND
20170.0108 ppm82ND - 0.0430 ppm
20180.1000 ppm42ND - 0.200 ppm
2019ND40ND

ppm = parts per million

State and national drinking water standards and health guidelines

EWG Health Guideline 0.14 ppm

The health guideline of 0.14 parts per million, or ppm, for nitrate and nitrite is based on the equivalent health guideline for nitrate, as defined in a peer-reviewed scientific study by EWG. This guideline represents a one-in-one-million annual cancer risk level.

EPA Maximum Contaminant
Level (MCL) 10 ppm

ppm = parts per million

All test results

Date Lab ID Result
2014-05-14AD91402ND
2014-05-14AD91401ND
2014-05-14AD91402ND
2014-05-14AD91401ND
2014-06-10AD92121ND
2014-06-10AD92126ND
2014-06-10AD92126ND
2014-06-10AD92121ND
2015-12-21352239000020.190 ppm
2015-12-21352239000030.190 ppm
2015-12-21352239000030.190 ppm
2015-12-21352239000020.190 ppm
2016-12-1335283868076ND
2016-12-1335283868085ND
2016-12-1335283868085ND
2016-12-1335283868076ND
2017-05-15AE14122ND
2017-05-15AE14118ND
2017-05-15AE14122ND
2017-05-15AE14118ND
2017-11-14353488060020.0430 ppm
2017-11-14353488060020.0430 ppm
2017-11-1435348806001ND
2017-11-1435348806001ND
2018-09-24B1804565-002ND
2018-09-24B1804565-0010.200 ppm
2018-09-24B1804565-0010.200 ppm
2018-09-24B1804565-002ND
2019-05-24B1902187-001ND
2019-05-24B1902187-001ND
2019-05-28B1902211-001ND
2019-05-28B1902211-001ND