| Subject | Counties Served |
| Complaints about water system operators | Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, Walworth, Washington, Waukesha |
| Complaints about well drillers and pump installers | Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, Walworth, Washington, Waukesha |
| Complaints, Specific Water Systems | Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, Walworth, Washington, Waukesha |
| Emergency Response at Community Water Systems | Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, Walworth, Washington, Waukesha |
| Emergency Response Team | Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, Walworth, Washington, Waukesha |
| Public Drinking Water System Municipal: City, Town, Village, Sanitary District | Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, Walworth, Washington, Waukesha |
| Public Drinking Water System NTNC: School, Daycare, Businesses, Factory | Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, Walworth, Washington, Waukesha |
| Public Drinking Water System OTM: Mobile Home Park, Apt Building, Condo, Subdivision | Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, Walworth, Washington, Waukesha |
| Public Drinking Water System Transient Non-Community (TN): Restaurant, Tavern, Church, Campground | Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, Walworth, Washington, Waukesha |