Know Your Environment. Protect Your Health.

Bromoform

City of West Richland

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.

 

88

Samples

0

Samples exceeding legal limit (MCL)

72

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.94 ppb1916ND - 10.00 ppb
20192.41 ppb1716ND - 10.9 ppb
2020N/A00N/A
20211.87 ppb16160.500 ppb - 5.30 ppb
20221.49 ppb2014ND - 6.93 ppb
20232.42 ppb1611ND - 10.6 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
2018-03-076.40 ppb
2018-03-076.40 ppb
2018-03-071.60 ppb
2018-03-0710.00 ppb
2018-05-140.900 ppb
2018-05-140.900 ppb
2018-05-142.40 ppb
2018-05-140.900 ppb
2018-07-10ND
2018-07-10ND
2018-08-141.000 ppb
2018-08-141.70 ppb
2018-08-140.600 ppb
2018-08-140.600 ppb
2018-09-06ND
2018-11-136.40 ppb
2018-11-133.90 ppb
2018-11-134.80 ppb
2018-11-137.40 ppb
2019-03-120.800 ppb
2019-03-121.50 ppb
2019-03-122.40 ppb
2019-03-121.80 ppb
2019-05-081.60 ppb
2019-05-081.10 ppb
2019-05-081.10 ppb
2019-05-081.10 ppb
2019-07-08ND
2019-08-130.800 ppb
2019-08-131.10 ppb
2019-08-130.800 ppb
2019-08-130.800 ppb
2019-11-136.40 ppb
2019-11-134.80 ppb
2019-11-134.00 ppb
2019-11-1310.9 ppb
2021-02-0840757972.60 ppb
2021-02-0840757951.10 ppb
2021-02-0840757915.30 ppb
2021-02-0840757932.00 ppb
2021-05-1841190160.700 ppb
2021-05-1841190140.600 ppb
2021-05-1841190100.700 ppb
2021-05-1841190043.80 ppb
2021-08-1041591963.80 ppb
2021-08-1041592020.600 ppb
2021-08-1041592000.500 ppb
2021-08-1041591982.30 ppb
2021-10-1842369502.74 ppb
2021-10-1842369561.12 ppb
2021-10-1842369521.13 ppb
2021-10-1842369540.950 ppb
2022-03-1642607791.94 ppb
2022-03-1642607811.63 ppb
2022-03-1642607761.09 ppb
2022-03-1642607746.93 ppb
2022-05-1842934040.790 ppb
2022-05-1842934004.08 ppb
2022-05-1842934010.650 ppb
2022-05-1842934060.800 ppb
2022-06-294309265ND
2022-08-104333738ND
2022-08-1043337052.88 ppb
2022-08-104333713ND
2022-08-1043337070.680 ppb
2022-08-104333709ND
2022-08-244376483ND
2022-10-034360491ND
2022-11-1643816051.41 ppb
2022-11-1643816224.10 ppb
2022-11-1643816251.58 ppb
2022-11-1643816131.21 ppb
2023-03-2344324741.72 ppb
2023-03-23443248010.6 ppb
2023-03-2344324781.76 ppb
2023-03-2344324761.73 ppb
2023-05-3044659084.56 ppb
2023-05-3044659043.22 ppb
2023-05-3044659022.21 ppb
2023-05-304465906ND
2023-08-0945071645.44 ppb
2023-08-0945071700.950 ppb
2023-08-0945071660.770 ppb
2023-08-094507168ND
2023-10-314541730ND
2023-10-314541734ND
2023-10-314541732ND
2023-10-3145417275.76 ppb