| Subject | Counties Served |
| Sanitary Sewer Collection Systems | Statewide |
| Wastewater Treatment Plants | Statewide |
| WPDES Permits, Compliance Maintenance Annual Report (CMAR) | Statewide |
| WPDES Permits, Operation, Maintenance of Wastewater | Statewide |
| WPDES Permits, Operator Certification, Wastewater Treatment Plants | Statewide |