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EWG's Tap Water Database — 2019 UPDATE

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Arsenic

City of Wichita Falls

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
20132.14 ppb222.08 ppb - 2.19 ppb
20140.248 ppb41ND - 0.990 ppb
20150.803 ppb43ND - 1.30 ppb
2016ND20ND
2017ND20ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.004 ppb

The EWG 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.

EPA Maximum Contaminant
Level (MCL) 10 ppb

The legal limit for arsenic, established in 2001, was based on costs for arsenic removal, as calculated at the time that the standard was set. This limit does not fully protect against the risk of cancer due to arsenic exposure.

ppb = parts per billion

All test results

Date Lab ID Result
2013-09-25Q13081440242.19 ppb
2013-09-25Q13081440222.08 ppb
2014-05-13Q14158160020.990 ppb
2014-08-14Q1436796021ND
2014-11-12AC71808ND
2014-11-12AC71809ND
2015-02-09Q15050190071.30 ppb
2015-02-09Q15050190060.810 ppb
2015-05-11Q1517193002ND
2015-09-22Q15370190021.10 ppb
2016-02-01Q1604190003ND
2016-02-01Q1604190002ND
2017-03-06Q1709227003ND
2017-08-07Q1733093007ND