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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

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 chlorodifluoromethane. Sample information shown below was taken by City of Houston.

Chlorodifluoromethane (Freon 22) is a refrigerant, solvent and aerosol propellant banned in 2000 under the Montreal Protocol because of its ozone-depleting properties. Freons can cause heart, nervous system and liver damage.

 

103

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results

ppb = parts per billion

All test results

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

Date Lab ID Result
2013-07-091307298-001BND
2013-07-091307338-001BND
2013-07-091307282-001BND
2013-07-091307286-001BND
2013-07-091307329-001BND
2013-07-091307283-001BND
2013-07-091307285-001BND
2013-07-101307327-001BND
2013-07-101307334-001BND
2013-07-101307328-001BND
2013-07-101307335-001BND
2013-07-101307330-001BND
2013-07-101307310-001BND
2013-07-101307331-001BND
2013-07-101307341-001BND
2013-07-161307536-001BND
2013-07-161307541-001BND
2013-07-161307534-001BND
2013-07-161307549-001BND
2013-07-161307555-001BND
2013-07-161307542-001BND
2013-07-161307552-001BND
2013-07-171307589-001BND
2013-07-171307592-001BND
2013-07-171307593-001BND
2013-07-171307543-001BND
2013-07-171307588-001BND
2013-07-171307590-001BND
2013-07-171307547-001BND
2013-07-171307546-001BND
2013-07-171307591-001BND
2013-07-301307A06-001BND
2013-07-301307A04-001AND
2013-07-301307A03-001AND
2013-07-311307A07-001BND
2013-08-061308222-001AND
2013-08-061308216-001AND
2013-08-061308220-001AND
2013-08-061308219-001AND
2013-08-061308221-001AND
2013-08-061308217-001AND
2013-08-061308218-001AND
2013-10-151310526-001BND
2013-10-151310596-001BND
2013-10-151310536-001BND
2013-10-151310525-001BND
2013-10-151310535-001BND
2013-10-151310524-001BND
2013-10-151310595-001BND
2013-10-161310594-001BND
2013-10-161310597-001BND
2013-10-161310593-001BND
2014-01-211401595-001BND
2014-01-211401602-001BND
2014-01-211401750-001BND
2014-01-211401596-001BND
2014-01-211401592-001BND
2014-01-211401597-001BND
2014-01-211401598-001BND
2014-01-211401600-001BND
2014-01-211401594-001BND
2014-01-211401593-001BND
2014-01-211401601-001BND
2014-01-211401599-001BND
2014-01-211401693-001BND
2014-01-211401603-001BND
2014-01-211401641-001BND
2014-01-221401639-001BND
2014-01-221401637-001BND
2014-01-221401636-001BND
2014-01-221401638-001BND
2014-01-221401640-001BND
2014-02-051402322-001BND
2014-02-051402196-001BND
2014-02-051402190-001BND
2014-02-051402211-001BND
2014-02-051402198-001BND
2014-02-051402193-001BND
2014-02-051402184-001BND
2014-02-051402199-001BND
2014-02-051402197-001BND
2014-02-051402205-001BND
2014-02-051402201-001BND
2014-02-051402185-001BND
2014-02-051402202-001BND
2014-02-051402192-001BND
2014-02-051402194-001BND
2014-02-051402186-001BND
2014-02-051402191-001BND
2014-02-051402187-001BND
2014-02-051402195-001BND
2014-02-051402189-001BND
2014-02-051402188-001BND
2014-02-051402200-001BND
2014-04-151404648-001BND
2014-04-151404649-001BND
2014-04-151404643-001BND
2014-04-151404646-001BND
2014-04-151404642-001BND
2014-04-151404645-001BND
2014-04-151404644-001BND
2014-04-161404647-001BND
2014-04-211404865-001BND