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National Drinking Water Database

o-Xylene in Wisconsin

o-Xylene is a petroleum-derived solvent used in the printing, rubber, and leather industries; it is also used as a cleaning agent, a thinner for paint, and an ingredient in paints and varnishes.

The Most Polluted Communities in Wisconsin

19 water utilities reported detecting o-Xylene in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average o-Xylene level

RankSystem Population Served Positive test results of total reported tests Average Level
1Arena Waterworks
Arena, WI
5251 of 10.81 ppb
(0.81 ppb)
2Country Estates Sanitary District Town of Lyons #1
Burlington, WI
50015 of 160.63 ppb
(0 to 1.7 ppb)
3Cross Plains Waterworks
Cross Plains, WI
3,1001 of 10.58 ppb
(0.58 ppb)
4Bloomfield Manor
Dodgeville, WI
1501 of 10.55 ppb
(0.55 ppb)
5Pleasant View Nursing Home
Monroe, WI
2602 of 20.49 ppb
(0.46 to 0.52 ppb)
6WI Dot Wayside 4 Preston
Friendship, WI
5001 of 10.48 ppb
(0.48 ppb)
7Dickeyville Waterworks
Dickeyville, WI
1,0691 of 10.42 ppb
(0.42 ppb)
8South Wayne Waterworks
South Wayne, WI
4781 of 20.4 ppb
(0 to 0.8 ppb)
9Mcfarland Waterworks
Mc Farland, WI
5,8971 of 60.2 ppb
(0 to 1.2 ppb)
10Oregon Waterworks
Oregon, WI
8,2791 of 50.19 ppb
(0 to 0.97 ppb)

Health Based Limits for o-Xylene

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.10000 ppb
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.10000 ppb

Violation Summary for o-Xylene in Wisconsin

There are no violations reported for this contaminant in Wisconsin