| Subject | Counties Served |
| Odor Complaints, Land Spreading | Crawford, La Crosse, Vernon |
| Sanitary Sewer Collection Systems | Crawford, La Crosse, Vernon |
| Wastewater Pretreatment Program | Crawford, La Crosse, Vernon |
| Wastewater Treatment Plants | Crawford, La Crosse, Vernon |
| WPDES Permits, Chlorides | Crawford, La Crosse, Vernon |
| WPDES Permits, Compliance Maintenance Annual Report (CMAR) | Crawford, La Crosse, Vernon |
| WPDES Permits, Discharge Monitoring Reports | Crawford, La Crosse, Vernon |
| WPDES Permits, Food and Meat Processing | Crawford, La Crosse, Vernon |
| WPDES Permits, Food Processing Discharges | Crawford, La Crosse, Vernon |
| WPDES Permits, Metal Finishing and Electroplating | Crawford, La Crosse, Vernon |
| WPDES Permits, Operation, Maintenance of Wastewater | Crawford, La Crosse, Vernon |
| WPDES Permits, Permit Compliance System Database | Crawford, La Crosse, Vernon |
| WPDES Permits, Phosphorus | Crawford, La Crosse, Vernon |
| WPDES Permits, Pulp and Paper Mills | Crawford, La Crosse, Vernon |