Know Your Environment. Protect Your Health.

Bromoform

Sammamish Plateau Water and Sewer

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.

 

166

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND340ND
2019ND340ND
2020N/A00N/A
2021ND320ND
2022ND340ND
20230.0203 ppb321ND - 0.651 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
2018-02-20ND
2018-02-20ND
2018-02-20ND
2018-02-20ND
2018-02-20ND
2018-02-20ND
2018-02-20ND
2018-02-20ND
2018-05-15ND
2018-05-15ND
2018-05-15ND
2018-05-15ND
2018-05-15ND
2018-05-15ND
2018-05-15ND
2018-05-15ND
2018-08-14ND
2018-08-14ND
2018-08-14ND
2018-08-14ND
2018-08-14ND
2018-08-14ND
2018-08-14ND
2018-08-14ND
2018-08-22ND
2018-08-22ND
2018-11-12ND
2018-11-12ND
2018-11-12ND
2018-11-12ND
2018-11-13ND
2018-11-13ND
2018-11-13ND
2018-11-13ND
2019-02-19ND
2019-02-19ND
2019-02-19ND
2019-02-19ND
2019-02-19ND
2019-02-19ND
2019-02-19ND
2019-02-19ND
2019-05-21ND
2019-05-21ND
2019-05-21ND
2019-05-21ND
2019-05-21ND
2019-05-21ND
2019-05-21ND
2019-05-22ND
2019-08-12ND
2019-08-12ND
2019-08-12ND
2019-08-12ND
2019-08-13ND
2019-08-13ND
2019-08-13ND
2019-08-13ND
2019-09-18ND
2019-10-30ND
2019-11-12ND
2019-11-12ND
2019-11-12ND
2019-11-12ND
2019-11-12ND
2019-11-12ND
2019-11-12ND
2019-11-12ND
2021-02-164078649ND
2021-02-164078647ND
2021-02-164078645ND
2021-02-164078644ND
2021-02-164078642ND
2021-02-164078648ND
2021-02-164078643ND
2021-02-164078646ND
2021-05-184121056ND
2021-05-184121054ND
2021-05-184121060ND
2021-05-184121058ND
2021-05-184121061ND
2021-05-184121055ND
2021-05-184121059ND
2021-05-184121057ND
2021-08-104172439ND
2021-08-104172440ND
2021-08-104172434ND
2021-08-104172438ND
2021-08-104172433ND
2021-08-104172437ND
2021-08-104172435ND
2021-08-104172436ND
2021-11-164206256ND
2021-11-164206254ND
2021-11-164206258ND
2021-11-164206252ND
2021-11-164206255ND
2021-11-164206259ND
2021-11-164206257ND
2021-11-164206253ND
2022-02-154244683ND
2022-02-154244685ND
2022-02-154244681ND
2022-02-154244688ND
2022-02-154244687ND
2022-02-154244684ND
2022-02-154244682ND
2022-02-154244686ND
2022-05-174284883ND
2022-05-174284884ND
2022-05-174284882ND
2022-05-174284879ND
2022-05-174284881ND
2022-05-174284885ND
2022-05-174284878ND
2022-05-174284880ND
2022-08-094330662ND
2022-08-094330660ND
2022-08-094330664ND
2022-08-094330666ND
2022-08-094330667ND
2022-08-094330661ND
2022-08-094330665ND
2022-08-094330663ND
2022-08-174365563ND
2022-08-174365564ND
2022-11-154374410ND
2022-11-154374409ND
2022-11-154374407ND
2022-11-154374405ND
2022-11-154374406ND
2022-11-154374411ND
2022-11-154374404ND
2022-11-154374408ND
2023-02-144412879ND
2023-02-144412877ND
2023-02-144412875ND
2023-02-144412873ND
2023-02-144412874ND
2023-02-144412876ND
2023-02-144412878ND
2023-02-144412880ND
2023-05-094452340ND
2023-05-094452334ND
2023-05-094452339ND
2023-05-094452335ND
2023-05-094452337ND
2023-05-094452341ND
2023-05-094452338ND
2023-05-094452336ND
2023-08-154499247ND
2023-08-154499245ND
2023-08-154499243ND
2023-08-154499241ND
2023-08-154499242ND
2023-08-154499240ND
2023-08-154499246ND
2023-08-154499244ND
2023-11-144548336ND
2023-11-144548330ND
2023-11-1445483350.651 ppb
2023-11-144548333ND
2023-11-144548329ND
2023-11-144548331ND
2023-11-144548332ND
2023-11-144548334ND