| Subject | Counties Served |
| Wastewater Pretreatment Program | Dodge, Grant, Richland |
| Wastewater Treatment Plants | Columbia, Dodge, Richland |
| WPDES Permits, Compliance Maintenance Annual Report (CMAR) | Columbia, Dodge, Richland |
| WPDES Permits, Discharge Monitoring Reports | Columbia, Dodge, Richland |
| WPDES Permits, Land Application and Treatment | Columbia, Dodge, Richland |
| WPDES Permits, Operation, Maintenance of Wastewater | Columbia, Dodge, Richland |