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o-Dichlorobenzene

Status: National drinking water standard exists

 

o-Dichlorobenzene is used as a chemical intermediate for making agricultural herbicides. It is toxic to the liver, kidneys and the nervous system, and causes cancer in animal studies.

2015:

FOUND
FOUND ABOVE HEALTH GUIDELINES

3

states detected

6

utilities detected

9,982

people served

0

states over health guideline

0

utilities over health guideline

0

people served over health guideline

Health concerns for o-dichlorobenzene

Cancer

Harm to the central nervous system

Harm to the liver

Harm to the kidney

State and national drinking water standards and health guidelines

Health Guideline 600 ppb

The health guideline of 600 ppb for o-dichlorobenzene 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 harm to internal organs.

ppb = parts per billion.

EPA Maximum Contaminant
Level (MCL) 600 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)600 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 o-dichlorobenzene in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
Louisiana49,766
Vermont1126
New Jersey190
MORE
LESS

Utilities with the highest amounts of o-dichlorobenzene, 2015

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Coburn Mobile Home ParkMontpelier, VT1 of 11.10 ppb126
Berwick Bayou Vista Water Works Commission*Berwick, LA2 of 20.270 ppb0
City of Broussard Highway 90 Water SystemBroussard, LA2 of 40.250 ppb684
Cedar Springs Mobile Home Park Well #Cape May Court House, NJ4 of 40.213 ppb90

* 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 o-Dichlorobenzene, but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served