| Subject | Counties Served |
| Approvals of Drinking Water Systems, Cities, Towns, Villages, Subdivisions, Sanitary Districts | Ozaukee, Sheboygan, Washington |
| Complaints about water system operators | Ozaukee, Sheboygan, Washington |
| Complaints, Specific Water Systems | Ozaukee, Sheboygan, Washington |
| Consumer Confidence Reports (CCR) | Ozaukee, Sheboygan, Washington |
| Drinking Water Database entries/DWS Entries | Ozaukee, Sheboygan, Washington |
| Owner, Sampler Changes for Public Water System | Ozaukee, Sheboygan, Washington |
| Public Drinking Water System Municipal: City, Town, Village, Sanitary District | Ozaukee, Sheboygan, Washington |
| Security of Community Water Systems | Ozaukee, Sheboygan, Washington |
| Vulnerability Assessments for Public Water Supplies | Ozaukee, Sheboygan, Washington |
| Wellhead Protection | Ozaukee, Sheboygan, Washington |