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EWG's Tap Water Database — 2021 UPDATE

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Bromoform

Steelton Borough Water Authority

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

 

83

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND280ND
20150.112 ppb122ND - 0.730 ppb
2016ND100ND
20170.159 ppb132ND - 1.20 ppb
2018ND80ND
2019ND120ND

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
2014-02-041070058001ND
2014-02-041070801001ND
2014-04-252003796003ND
2014-04-252003796001ND
2014-05-022004645001ND
2014-05-022004645002ND
2014-05-062004981002ND
2014-05-062004981001ND
2014-05-272008846003ND
2014-05-272008846004ND
2014-06-172013106001ND
2014-06-172013106002ND
2014-07-282020159002ND
2014-07-282020159003ND
2014-08-062021800001ND
2014-08-062021800002ND
2014-08-252025383002ND
2014-08-252025383003ND
2014-09-262031313002ND
2014-09-262031313003ND
2014-10-242036440003ND
2014-10-242036440002ND
2014-11-062038581001ND
2014-11-062038581002ND
2014-11-242041722003ND
2014-11-242041722002ND
2014-12-222046355003ND
2014-12-222046355002ND
2015-02-0612482073ND
2015-02-06124820670.610 ppb
2015-05-0812844805ND
2015-05-0912844811ND
2015-08-0713228643ND
2015-08-0713228649ND
2015-09-0413355902ND
2015-09-04133558970.730 ppb
2015-11-0613599195ND
2015-11-0613599189ND
2015-12-1113718777ND
2015-12-1113718772ND
2016-02-0513952225ND
2016-02-0513952219ND
2016-05-0614362975ND
2016-05-0614362980ND
2016-08-0814861527ND
2016-08-0814861521ND
2016-11-0915330008ND
2016-11-0915330002ND
2016-12-1515475637ND
2016-12-1515475631ND
2017-02-0715755355ND
2017-02-0715755350ND
2017-05-1116212051ND
2017-05-1116212057ND
2017-05-2616238934ND
2017-06-2016372886ND
2017-06-2016372892ND
2017-08-0816683858ND
2017-08-0816683852ND
2017-09-14168386010.870 ppb
2017-09-14168385961.20 ppb
2017-11-0817123851ND
2017-11-0817123857ND
2018-02-092294268001ND
2018-02-092294268002ND
2018-05-102313998002ND
2018-05-102313998001ND
2018-08-092331327001ND
2018-08-092331327002ND
2018-11-082348800001ND
2018-11-082348800002ND
2019-02-063014799001ND
2019-02-063014799002ND
2019-05-083032583001ND
2019-05-083032583002ND
2019-08-093050607001ND
2019-08-093050607002ND
2019-11-0447376301ND
2019-11-0447376201ND
2019-12-0447751601ND
2019-12-0447751501ND
2019-12-0947751401ND
2019-12-0947751701ND