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EWG's Tap Water Database — 2019 UPDATE

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Nitrate and nitrite

City of Angleton

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

10

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20121.13 ppm330.680 ppm - 1.48 ppm
20130.997 ppm330.920 ppm - 1.10 ppm
20140.840 ppm110.840 ppm
20150.970 ppm330.810 ppm - 1.10 ppm
2016N/A00N/A
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

Date Lab ID Result
2012-01-03AB767811.48 ppm
2012-01-03AB767840.680 ppm
2012-01-03AB767831.22 ppm
2013-01-29AC089361.10 ppm
2013-01-29AC089350.920 ppm
2013-01-29AC089290.970 ppm
2014-02-25AC443550.840 ppm
2015-01-15AC763571.10 ppm
2015-01-15AC763580.810 ppm
2015-01-15AC763541.000 ppm