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EWG's Tap Water Database — 2019 UPDATE

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Nitrate and nitrite

US Air Force Academy

NOTE: US Air Force Academy purchases water from Colorado Springs Utilities which is required to test for nitrate and nitrite. Sample information shown below was taken by Colorado Springs Utilities.

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.0675 ppm41ND - 0.270 ppm
2013ND10ND
2014N/A00N/A
2015N/A00N/A
20160.185 ppm64ND - 0.520 ppm
2017N/A00N/A

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

NOTE: US Air Force Academy purchases water from Colorado Springs Utilities which is required to test for nitrate and nitrite. Sample information shown below was taken by Colorado Springs Utilities.

Date Result
2012-04-04ND
2012-04-04ND
2012-04-040.270 ppm
2012-04-04ND
2013-08-07ND
2016-04-040.1000 ppm
2016-04-04ND
2016-04-050.0800 ppm
2016-05-100.410 ppm
2016-05-25ND
2016-07-060.520 ppm