Know Your Environment. Protect Your Health.

Bromoform

Walnut Grove Utilities

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.

 

61

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND30ND
2020ND120ND
2021ND130ND
20220.300 ppb115ND - 0.790 ppb
20230.0889 ppb181ND - 1.60 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
2018-03-08282649-2018-DWND
2018-03-08282650-2018-DWND
2018-08-14292104-2018-DWND
2018-08-14292105-2018-DWND
2019-07-16309019-2019-DWND
2019-08-21310993-2019-DWND
2019-08-21310994-2019-DWND
2020-02-19320756-2020-DWND
2020-02-19320756-2020-DWND
2020-02-24320967-2020-DWND
2020-02-24320967-2020-DWND
2020-02-24320966-2020-DWND
2020-02-24320966-2020-DWND
2020-05-27325626-2020-DWND
2020-05-28325700-2020-DWND
2020-08-24331120-2020-DWND
2020-08-25331241-2020-DWND
2020-11-17335908-2020-DWND
2020-11-17335909-2020-DWND
2021-02-257361577001ND
2021-02-257361577002ND
2021-03-187364280001ND
2021-03-187364282001VND
2021-04-227368589001ND
2021-05-137371327001ND
2021-05-137371329001ND
2021-05-137371332001VND
2021-08-111085091-01ND
2021-08-111085094-01ND
2021-08-167384685001VND
2021-09-077387721001AND
2021-12-22810-11094-1ND
2022-02-22810-15826-10.620 ppb
2022-02-22810-15825-1ND
2022-05-16FWE0089-010.600 ppb
2022-05-16FWE0077-01ND
2022-08-09FWG0302-010.630 ppb
2022-08-10FWG0299-010.660 ppb
2022-10-26FWJ0181-01ND
2022-11-14FWJ0184ND
2022-11-14FWJ0172-010.790 ppb
2022-11-14FWJ0190-01ND
2022-11-15FWJ0191ND
2023-02-07FXB0070-01ND
2023-02-07FXB0061-01ND
2023-02-09FXB0077-01ND
2023-02-15FXB0428-01ND
2023-02-15FXB0444-01ND
2023-04-04FXC0510ND
2023-04-04FXC0539-01ND
2023-04-05FXC0546-01ND
2023-04-05FXC0561-011.60 ppb
2023-04-06FXC0504-01ND
2023-04-06FXD0264-01ND
2023-05-31FXE0919-01ND
2023-05-31FXE0920-01ND
2023-08-02FXF0580-01ND
2023-08-15FXF0561-01ND
2023-08-15FXF0562-01ND
2023-11-1468354001ND
2023-11-1468353901ND