The Power of Information

National Drinking Water Database

Bromide in Illinois

Bromide is a naturally occurring element found in surface waters and groundwater and contributes to the formation of toxic tap water disinfection byproducts.

The Most Polluted Communities in Illinois

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

Ranked by highest average Bromide level

RankSystem Population Served Positive test results of total reported tests Average Level
Clinton, IL
7,5001 of 1180 ppb
(180 ppb)
Findlay, IL
80040 of 53163.98 ppb
(0 to 240 ppb)
3LA Salle
Lasalle, IL
9,70045 of 46141.55 ppb
(0 to 193 ppb)
4Central Lake County Jawa
Lake Bluff, IL
151 of 6425.2 ppb
(0 to 68 ppb)
Charleston, IL
15,50027 of 3512.33 ppb
(0 to 31 ppb)
Sublette, IL
42549 of 6411.99 ppb
(0 to 28 ppb)

Health Based Limits for Bromide

There are no health based standards that EWG is using for this chemical

Violation Summary for Bromide in Illinois

Data from the U.S. Environmental Protection Agency includes the following violations of federal standards in Illinois since 2004

Violation TypeNumber of Violations
Failure to monitor regularly1