| Subject | Counties Served |
| Approvals of Drinking Water Systems, Mobile Home Parks, Apartment Buildings, Condominiums | Adams, Clark, Juneau, Marathon, Portage, Wood |
| Consumer Confidence Reports (CCR) | Adams, Clark, Juneau, Marathon, Portage, Wood |
| Drinking Water Database entries/DWS Entries | Adams, Clark, Juneau, Marathon, Portage, Wood |
| Owner, Sampler Changes for Public Water System | Adams, Clark, Juneau, Marathon, Portage, Wood |
| Public Drinking Water System NTNC: School, Daycare, Businesses, Factory | Adams, Clark, Juneau, Marathon, Portage, Wood |
| Public Drinking Water System OTM: Mobile Home Park, Apt Building, Condo, Subdivision | Adams, Clark, Juneau, Marathon, Portage, Wood |
| Vulnerability Assessments for Public Water Supplies | Adams, Clark, Juneau, Marathon, Portage, Wood |
| Water System Operator Certification | Adams, Clark, Juneau, Marathon, Portage, Wood |