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EWG's Tap Water Database — 2021 UPDATE

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Bromoform

Southside Mutual Domestic Water

Bromoform, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromoform and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

MORE ABOUT THIS CONTAMINANT

 

26

Samples

0

Samples exceeding legal limit (MCL)

8

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0760 ppb51ND - 0.380 ppb
20150.480 ppb52ND - 2.04 ppb
20160.270 ppb43ND - 0.420 ppb
20170.353 ppb43ND - 0.590 ppb
20180.833 ppb440.480 ppb - 0.990 ppb
20190.338 ppb42ND - 0.712 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.5 ppb

The EWG Health Guideline of 0.5 ppb for bromoform was proposed in 2018 by the California Office of Environmental Health Hazard Assessment as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-2820140030690.380 ppb
2014-04-301405017-001AND
2014-06-231406B03-001AND
2014-07-151407816-001AND
2014-10-291410D58-001AND
2015-01-261501921-001AND
2015-04-281504C48-001A2.04 ppb
2015-04-281504C54-001AND
2015-07-222015021075ND
2015-10-2720150322670.360 ppb
2016-01-2720160025500.420 ppb
2016-04-2720160118670.340 ppb
2016-07-262016021326ND
2016-10-2620160311760.320 ppb
2017-01-2420170022470.510 ppb
2017-04-2620170121910.310 ppb
2017-07-192017020942ND
2017-10-1120170293700.590 ppb
2018-01-2220180023370.920 ppb
2018-04-3020180125350.990 ppb
2018-07-3020180215130.480 ppb
2018-10-3120180312780.940 ppb
2019-01-0920190006900.640 ppb
2019-04-141904753-0010.712 ppb
2019-07-122019019142ND
2019-10-082019028916ND