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1,2,4-Trichlorobenzene

Status: National drinking water standard exists

 

1,2,4-Trichlorobenzene is an industrial solvent that can harm the adrenal glands and may increase the risk of cancer.

2015:

FOUND
FOUND ABOVE HEALTH GUIDELINES

6

states detected

10

utilities detected

31,393

people served

0

states over health guideline

0

utilities over health guideline

0

people served over health guideline

Health concerns for 1,2,4-trichlorobenzene

Harm to the adrenal gland

Cancer

State and national drinking water standards and health guidelines

Health Guideline 5 ppb

The health guideline of 5 ppb for 1,2,4-trichlorobenzene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against hormone disruption.

ppb = parts per billion.

EPA Maximum Contaminant
Level (MCL) 70 ppb

The enforceable federal standard that defines the highest level of a contaminant allowed in drinking water.

ppb = parts per billion.

EPA Maximum Contaminant
Level Goal (MCLG)70.0 ppb

A non-enforceable federal health guideline. For cancer-causing chemicals, these health goals are typically set to zero.

ppb = parts per billion.

States reporting 1,2,4-trichlorobenzene in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
Virginia221,294
Louisiana39,082
Oregon1650
North Carolina1267
Florida264
Maryland136
MORE
LESS

Utilities with the highest amounts of 1,2,4-trichlorobenzene, 2015

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Berwick Bayou Vista Water Works Commission*Berwick, LA2 of 21.60 ppb0
City of WaynesboroWaynesboro, VA1 of 10.560 ppb21,006
New Harmony M H PLake Wales, FL1 of 10.480 ppb26
Chesapeake Bay EstatesRockville, VA1 of 20.375 ppb288
Weatherstone S/dOak Ridge, NC2 of 60.305 ppb267
Oceanside Water DistrictOceanside, OR1 of 20.250 ppb650
Oblates of St. FrancisChilds, MD1 of 40.230 ppb36
Shady Oaks Trailer ParkOrlando, FL1 of 10.220 ppb38

* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report 1,2,4-Trichlorobenzene, but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
City of WaynesboroWaynesboro, VA1 of 10.560 ppb21,006