| Subject | Counties Served |
| Approvals of Drinking Water Systems, Mobile Home Parks, Apartment Buildings, Condominiums | Racine |
| Complaints about water system operators | Kenosha, Milwaukee, Ozaukee, Racine, Washington |
| Complaints, Specific Water Systems | Kenosha, Milwaukee, Ozaukee, Racine, Washington |
| Consumer Confidence Reports (CCR) | Milwaukee, Ozaukee, Racine, Washington |
| Drinking Water Database entries/DWS Entries | Kenosha, Milwaukee, Ozaukee, Racine, Washington |
| Drinking Water Systems Design/Plan Review: Church, Park, Campground or Wayside | Kenosha, Milwaukee, Ozaukee, Racine, Washington |
| Drinking Water Systems Design/Plan Review: Mobile Home Park, Apartment Building, Condominium | Racine |
| Drinking Water Systems Design/Plan Review: School, Daycare, Business, Restaurant | Racine |
| Owner, Sampler Changes for Public Water System | Kenosha, Milwaukee, Ozaukee, Racine, Washington |
| Public Drinking Water Monitoring Requirements | Kenosha, Milwaukee, Ozaukee, Racine, Washington |
| Public Drinking Water System NTNC: School, Daycare, Businesses, Factory | Racine |
| Public Drinking Water System Transient Non-Community (TN): Restaurant, Tavern, Church, Campground | Kenosha, Milwaukee, Ozaukee, Racine, Washington |
| STRATTEC Security Corporation, Green Tier Single Point of Contact | Statewide |
| Vulnerability Assessments for Public Water Supplies | Kenosha, Milwaukee, Ozaukee, Racine, Washington |