Facilities 401–441 of 441 by average flow
| Facility | City | Flow (MGD) |
|---|---|---|
| Lewisville WWTP | Lewisville | — |
| Lismore WWTP | Lismore Township | — |
| Lowry WWTP | Lowry | — |
| Lucan WWTP | Lucan | — |
| Magnolia WWTP | Magnolia | — |
| Milaca | Milaca | — |
| Milan WWTP | Milan | — |
| Milroy | Milroy | — |
| Miltona WWTP | Miltona | — |
| Mndot - Heath Creek Rest Area | Faribault | — |
| Morgan WWTP | Morgan | — |
| Mountain Lake WWTP | Mountain Lake | — |
| Murdock WWTP | Murdock | — |
| Nielsville WWTP | Nielsville | — |
| Northome WWTP | Northome | — |
| Odessa WWTP | Odessa Township | — |
| Odin-Ormsby WWTP | Odin | — |
| Oklee WWTP | Oklee | — |
| Perley WWTP | Perley | — |
| Racine | Racine | — |
| Red Lake Falls WWTP | Red Lake Falls Township | — |
| Russell WWTP | Russell | — |
| Sabin WWTP | Sabin | — |
| Sanborn Wastewater Treatment Plant | Sanborn | — |
| Sargeant WWTP | Sargeant Township | — |
| Serpent Lake WWTP | Crosby | — |
| Shelly WWTP | Shelly | — |
| Shetek Area Water & Sewer District WWTP | Currie | — |
| Silver Lake WWTP | Lakeville | — |
| Stewart WWTP | Stewart | — |
| Storden WWTP | Storden Township | — |
| Twin Valley | Twin Valley | — |
| Tyler WWTP | Tyler | — |
| Urbank WWTP | Clitherall | — |
| Usdi Bia Grnd Prtg Ind Res | Grand Portage | — |
| Vesta WWTP | Vesta | — |
| Walters WWTF | Walters | — |
| Wanda WWTP | Wanda | — |
| Warba WWTP | Warba | — |
| Winger Dump Site | Winger Township | — |
| Zumbro Falls WWTP | Zumbro Falls | — |