Know Your Environment. Protect Your Health.

Bromoform

Bradley Waterworks

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.

 

80

Samples

0

Samples exceeding legal limit (MCL)

57

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20184.22 ppb1410ND - 11.0 ppb
20195.72 ppb139ND - 37.5 ppb
202012.9 ppb1211ND - 51.3 ppb
20212.16 ppb179ND - 7.52 ppb
202219.5 ppb1511ND - 72.8 ppb
20234.66 ppb97ND - 18.0 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.5 ppb

The EWG Health Guideline of 0.5 ppb for bromoform is based on the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer, harm to reproduction and child development, and change to fetal growth and development .

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-12180460024024.50 ppb
2018-02-121804600030111.0 ppb
2018-02-1218046002302ND
2018-05-1418137006502ND
2018-05-14181370066022.30 ppb
2018-05-291815100430110.5 ppb
2018-05-2918151004201ND
2018-08-1318228002602ND
2018-08-13182280029016.58 ppb
2018-08-13182280027027.20 ppb
2018-08-13182280028027.00 ppb
2018-10-16182910053017.18 ppb
2018-11-13183190034021.60 ppb
2018-11-13183190035021.20 ppb
2019-02-1119045009502ND
2019-02-1119045009602ND
2019-02-25190590007015.43 ppb
2019-05-13191360081016.33 ppb
2019-05-131913600820237.5 ppb
2019-05-13191360083022.70 ppb
2019-07-31192130016016.50 ppb
2019-07-31192130015081.31 ppb
2019-08-1219227002302ND
2019-08-1219227002202ND
2019-11-05193110023019.93 ppb
2019-11-05193110021021.70 ppb
2019-11-05193110022023.00 ppb
2020-01-21200230004027.90 ppb
2020-01-21200230008024.10 ppb
2020-01-21200230005014.60 ppb
2020-06-02201560071013.34 ppb
2020-06-02201560069027.80 ppb
2020-06-02201560070024.60 ppb
2020-08-182023300590111.0 ppb
2020-08-24202390011016.60 ppb
2020-08-242023900150151.3 ppb
2020-11-172032400410149.5 ppb
2020-12-01203370022023.70 ppb
2020-12-0120337002102ND
2021-02-0121035003801ND
2021-02-2321056002701ND
2021-03-0321063014402ND
2021-03-03210630145021.80 ppb
2021-04-1921111001102ND
2021-04-1921111001301ND
2021-04-19211110012016.00 ppb
2021-05-26211470089022.40 ppb
2021-05-26211470088027.50 ppb
2021-07-26212100089017.52 ppb
2021-07-2621210009002ND
2021-08-2421238002802ND
2021-08-24212380027021.20 ppb
2021-11-1621322000701ND
2021-11-16213220006013.94 ppb
2021-11-29213360028022.90 ppb
2021-11-29213360027023.40 ppb
2022-02-14O195617-VOC-13.60 ppb
2022-02-25O195743-THM-13.88 ppb
2022-02-25O195742-THM-14.03 ppb
2022-04-19O197087-VOC-12.26 ppb
2022-05-31O198600-THM-1ND
2022-05-31O198599-THM-1ND
2022-09-06O201339-THM-129.4 ppb
2022-09-06O201340-THM-172.8 ppb
2022-09-20O202009-VOC-169.5 ppb
2022-09-20O202008-VOC-1ND
2022-09-26O202217-THM-113.8 ppb
2022-09-26O202216-THM-1ND
2022-10-11O202728-VOC-151.6 ppb
2022-11-28O204021-THM-125.7 ppb
2022-11-28O204020-THM-116.4 ppb
2023-01-10O205157-VOC-1ND
2023-02-27O206779-THM-118.0 ppb
2023-02-27O206778-THM-1ND
2023-06-06O209569-THM-15.63 ppb
2023-06-06O209568-THM-12.02 ppb
2023-08-29O211732-THM-14.49 ppb
2023-08-29O211733-THM-14.71 ppb
2023-11-27O214037-THM-13.67 ppb
2023-11-27O214036-THM-13.42 ppb