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EWG's Tap Water Database — 2021 UPDATE

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Perfluorooctanoic acid (PFOA)

Harris County Municipal Utility District 158

NOTE: Harris County Municipal Utility District 158 purchases water from City of Houston which is required to test for perfluorooctanoic acid (pfoa). Sample information shown below was taken by City of Houston.

Perfluorooctanoic acid (PFOA) is a member of a group of perfluorinated chemicals used in many consumer products. PFOA and other perfluorinated chemicals can cause serious health effects, including cancer, endocrine disruption, accelerated puberty, liver and immune system damage, and thyroid changes. These chemicals are persistent in the environment and they accumulate in people. Click here to read more about perfluorinated chemicals.

 

102

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results

ppt = parts per trillion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.007 ppt

The EWG Health Guideline of 0.007 ppt for PFOA was defined by 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 cancer.

ppt = parts per trillion

All test results

NOTE: Harris County Municipal Utility District 158 purchases water from City of Houston which is required to test for perfluorooctanoic acid (pfoa). Sample information shown below was taken by City of Houston.

Date Lab ID Result
2013-07-091307298-001CND
2013-07-091307329-001CND
2013-07-091307338-001CND
2013-07-091307282-001CND
2013-07-091307286-001CND
2013-07-091307283-001CND
2013-07-091307285-001CND
2013-07-091307333-001CND
2013-07-091307284-001CND
2013-07-101307327-001CND
2013-07-101307334-001CND
2013-07-101307335-001CND
2013-07-101307330-001CND
2013-07-101307337-001CND
2013-07-101307310-001CND
2013-07-101307331-001CND
2013-07-101307341-001CND
2013-07-111307304-001CND
2013-07-161307541-001CND
2013-07-161307536-001CND
2013-07-161307534-001CND
2013-07-161307553-001CND
2013-07-161307542-001CND
2013-07-161307537-001CND
2013-07-161307535-001CND
2013-07-161307549-001CND
2013-07-161307555-001CND
2013-07-161307552-001CND
2013-07-171307589-001CND
2013-07-171307587-001CND
2013-07-171307592-001CND
2013-07-171307543-001CND
2013-07-171307593-001CND
2013-07-171307588-001CND
2013-07-171307590-001CND
2013-07-171307594-001CND
2013-07-171307547-001CND
2013-07-171307546-001CND
2013-07-171307591-001CND
2013-07-301307A06-001CND
2013-07-311307A07-001CND
2013-10-151310526-001CND
2013-10-151310596-001CND
2013-10-151310536-001CND
2013-10-151310525-001CND
2013-10-151310535-001CND
2013-10-151310524-001CND
2013-10-151310595-001CND
2013-10-161310594-001CND
2013-10-161310597-001CND
2013-10-161310593-001CND
2014-01-211401595-001CND
2014-01-211401602-001CND
2014-01-211401750-001CND
2014-01-211401592-001CND
2014-01-211401596-001CND
2014-01-211401597-001CND
2014-01-211401600-001CND
2014-01-211401594-001CND
2014-01-211401593-001CND
2014-01-211401601-001CND
2014-01-211401599-001CND
2014-01-211401693-001CND
2014-01-211401603-001CND
2014-01-211401641-001CND
2014-01-221401639-001CND
2014-01-221401637-001CND
2014-01-221401636-001CND
2014-01-221401638-001CND
2014-01-221401640-001CND
2014-02-051402322-001CND
2014-02-051402196-001CND
2014-02-051402190-001CND
2014-02-051402211-001CND
2014-02-051402198-001CND
2014-02-051402193-001CND
2014-02-051402184-001CND
2014-02-051402199-001CND
2014-02-051402201-001CND
2014-02-051402205-001CND
2014-02-051402197-001CND
2014-02-051402185-001CND
2014-02-051402202-001CND
2014-02-051402192-001CND
2014-02-051402194-001CND
2014-02-051402203-001AND
2014-02-051402186-001CND
2014-02-051402191-001CND
2014-02-051402187-001CND
2014-02-051402195-001CND
2014-02-051402189-001CND
2014-02-051402188-001CND
2014-02-051402200-001CND
2014-04-151404648-001CND
2014-04-151404643-001CND
2014-04-151404649-001CND
2014-04-151404646-001CND
2014-04-151404642-001CND
2014-04-151404644-001CND
2014-04-161404647-001CND
2014-04-211404865-001CND
2014-04-281404B05-001AND