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EWG's Tap Water Database

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Arsenic

Warminster Municipal Authority

Arsenic is a potent carcinogen and common contaminant in drinking water. Arsenic causes thousands of cases of cancer each year in the U.S. Click here to read more about arsenic.

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010N/A00N/A
2011N/A00N/A
20120.900 ppb173ND - 8.70 ppb
2013N/A00N/A
2014N/A00N/A
20150.277 ppb131ND - 3.60 ppb

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 0.004 ppb

The health guideline of 0.004 ppb for arsenic was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

ppb = parts per billion.

EPA Maximum Contaminant
Level (MCL) 10 ppb

The enforceable federal standard that defines the highest level of a contaminant allowed in drinking water.

ppb = parts per billion.

EPA Maximum Contaminant
Level Goal (MCLG)0 ppb

A non-enforceable federal health guideline. For cancer-causing chemicals, these health goals are typically set to zero.

ppb = parts per billion.

All test results

Date Lab ID Result
2012-02-229953679001ND
2012-02-2299536790172.00 ppb
2012-02-229953679016ND
2012-02-229953679006ND
2012-02-229953679015ND
2012-02-2299536790148.70 ppb
2012-02-229953679013ND
2012-02-229953679012ND
2012-02-229953679011ND
2012-02-229953679010ND
2012-02-229953679002ND
2012-02-229953679003ND
2012-02-229953679004ND
2012-02-2299536790054.60 ppb
2012-02-229953679007ND
2012-02-229953679008ND
2012-02-229953679009ND
2015-04-0612620007ND
2015-04-0612619935ND
2015-04-0612619995ND
2015-04-0612619983ND
2015-04-0612619971ND
2015-04-0612619959ND
2015-04-0612619947ND
2015-04-06126199233.60 ppb
2015-04-0612619911ND
2015-04-0612619899ND
2015-04-0612619887ND
2015-04-0612619875ND
2015-04-0612620019ND