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National Drinking Water Database


Bromodichloromethane in Utah


Bromodichloromethane is a disinfection byproduct from the trihalomethane (THM) family, and is formed when chlorine, chloramines or other disinfectants react with organic and inorganic matter in water. [read more]

The Most Polluted Communities in Utah

180 water utilities reported detecting Bromodichloromethane in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Bromodichloromethane level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1K.W.U. Inc.
Ivins, UT
4602 of 226.4 ppb
(14.6 to 38.2 ppb)
2Green River
Green River, UT
97310 of 1018.91 ppb
(12.4 to 27.4 ppb)
3Dutch John
Dutch John, UT
1854 of 416.13 ppb
(10.3 to 25.6 ppb)
4Springdale
Springdale, UT
4262 of 215.55 ppb
(14.5 to 16.6 ppb)
5Helper
Helper, UT
2,0002 of 212.45 ppb
(2.2 to 22.7 ppb)
6Fruit Heights
Kaysville, UT
5,0002 of 210.4 ppb
(6.9 to 13.9 ppb)
7Metropolitan Water District of Salt Lake and Sandy
South Jordan, UT
700,0004 of 410.18 ppb
(7.13 to 12.2 ppb)
8Washington
Washington, UT
7,0004 of 49.75 ppb
(3.6 to 13.7 ppb)
9Ouray Park
Randlett, UT
2101 of 19.2 ppb
(9.2 ppb)
10Clawson
Castle Dale, UT
1506 of 68.82 ppb
(5.9 to 12.9 ppb)

Health Based Limits for Bromodichloromethane

StandardDescriptionLevel
Maximum Contaminant Limit Goal (MCLG)A non-enforceable health goal that is set at a level at which no known or anticipated adverse effect on the health of persons occurs and which allows an adequate margin of safety. Source: U.S. Environmental Protection Agency.0 ppb
EPA Human Health Water Quality CriteriaWater quality criteria set by the US EPA provide guidance for states and tribes authorized to establish water quality standards under the Clean Water Act (CWA) to protect human health. These are non-enforceable standards based upon exposure by both drinking water and the contribution of water contamination to other consumed foods. Source: U.S. Environmental Protection Agency.0.55 ppb
EPA Human Health Water Quality CriteriaWater quality criteria set by the US EPA provide guidance for states and tribes authorized to establish water quality standards under the Clean Water Act (CWA) to protect human health. These are non-enforceable standards based upon exposure by both drinking water and the contribution of water contamination to other consumed foods. Source: U.S. Environmental Protection Agency.0.55 ppb
One in one million (10-6) Cancer RiskThe concentration of a chemical in drinking water corresponding to an excess estimated lifetime cancer risk of 1 in 1,000,000. Source: U.S. Environmental Protection Agency.1 ppb
Children's health-based limit for 10-day exposureConcentration of a chemical in drinking water that is not expected to cause any adverse, noncarcinogenic effects for up to ten days of exposure. The Ten-Day health-based limit (or Health Advisory, HA) is typically set to protect a 10-kg child consuming 1 liter of water per day. Source: U.S. Environmental Protection Agency.60 ppb
Maximum Contaminant Limit (MCL)The enforceable standard which defines the highest level of a contaminant that is allowed in drinking water. MCLs are set as close to health-based limits (Maximum Contaminant Level Goals, or MCLGs) as feasible using the best available analytical and treatment technologies and taking cost into consideration. Source: U.S. Environmental Protection Agency.80 ppb
One in ten thousand (10-4) Cancer RiskThe concentration of a chemical in drinking water corresponding to an excess estimated lifetime cancer risk of 1 in 10,000. Source: U.S. Environmental Protection Agency.100 ppb
Drinking Water Equivalent LevelA lifetime exposure concentration protective of adverse, noncarcinogenic health effects, that assumes all of the exposure to a contaminant is from drinking water. Source: U.S. Environmental Protection Agency.100 ppb
Children's health-based limit for 1-day exposureConcentration of a chemical in drinking water that is not expected to cause any adverse, noncarcinogenic health effects for up to one day of exposure. The One-Day health-based limit (or Health Advisory, HA) is typically set to protect a 10-kg child consuming 1 liter of water per day. Source: U.S. Environmental Protection Agency.1000 ppb

Violation Summary for Bromodichloromethane in Utah

There are no violations reported for this contaminant in Utah