| Subject | Counties Served |
| Approvals of Drinking Water Systems, Cities, Towns, Villages, Subdivisions, Sanitary Districts | Statewide |
| Approvals of Drinking Water Systems, Mobile Home Parks, Apartment Buildings, Condominiums | Statewide |
| Drinking Water Database entries/DWS Entries | Statewide |
| Drinking Water Systems Design/Plan Review: Church, Park, Campground or Wayside | Statewide |
| Drinking Water Systems Design/Plan Review: City, Town, Village, Subdivision, Sanitary District | Statewide |
| Drinking Water Systems Design/Plan Review: Mobile Home Park, Apartment Building, Condominium | Statewide |
| Drinking Water Systems Design/Plan Review: School, Daycare, Business, Restaurant | Statewide |
| Landfill Variances, Well Near a Landfill | Statewide |
| Municipal Plan Reviewer | Statewide |
| Public Drinking Water System OTM: Mobile Home Park, Apt Building, Condo, Subdivision | Statewide |
| Watermain Extension, Status Check on Approval | Statewide |
| Well Construction Reports (WCR), Logs, Depth of Well | Statewide |
| Wellhead Protection | Statewide |