Combined Sewer Overflows in the Great Lakes Basin-Indiana
There are 152 NPDES permits which authorize discharges from combined sewer overflows (CSOs) to the Great Lakes Basin. Select the state in the right-side box for the list of CSO permits in the Great Lakes Basin in that state.
There are 19 NPDES permits for CSO discharges in the Great Lakes Basin in Indiana. The table below provides information about those permittees and, where available, links to their CSO website and Annual Notice describing the CSO discharges that occurred in 2018.
The following links exit the site Exit
| Municipal Operator of CSO | NPDES Permit Number | Great Lake Discharged To | Water Body Directly Discharged Into | Website | Annual CSO Notice |
|---|---|---|---|---|---|
| Auburn | IN0020672 | Lake Erie | Cedar Creek | Auburn website | Auburn annual notice (2 pp, 139 K, About PDF) |
| Berne | IN0021369 | Lake Erie | Habegger Ditch, Spruger Ditch | Berne website | |
| Butler | IN0022462 | Lake Erie | Big Run | Butler website | |
| Chesterton | IN0022578 | Lake Michigan | East Arm Little Calument River | ||
| Crown Point | IN0025763 | Lake Michigan | Main Beaver Dam Ditch | Crown Point website | |
| East Chicago | IN0022829 | Lake Michigan | Indiana Harbor Canal, Grand Calument River | East Chicago website | |
| Elkhart | IN0025674 | Lake Michigan | Elkhart River, St. Joseph River, Christina Creek | Elkhart website | Elkhart annual notice (10 pp, 160 K, About PDF) |
| Fort Wayne | IN0032191 | Lake Erie | Maumee River, St. Mary's River, Spy Run Creek, St. Joseph River, UNT | Fort Wayne website | Fort Wayne annual notice (676 pp, 65.8 MB, About PDF) |
| Gary | IN0022977 | Lake Michigan | Grand Calumet River, Little Calumet River | Gary website | Gary annual notice (16 pp, 2.6 MB, About PDF) |
| Hammond | IN0023060 | Lake Michigan | Grand Calumet River, East Arm Little Calumet River | Hammond website | Hammond annual notice |
| LaPorte Municipal | IN0025577 | Lake Michigan | Travis Ditch | LaPorte website | |
| Lowell | IN0023621 | Lake Erie | Cedar Creek | Lowell website | |
| Michigan City | IN0023752 | Lake Michigan | Trail Creek | Michigan City website | Michigan City annual notice (4 pp, 117 K, About PDF) |
| Mishawaka | IN0025640 | Lake Michigan | St. Joseph River, Eller Ditch | Mishawaka website | Mishawaka annual notice (12 pp, 821 K, About PDF) |
| Nappanee | IN0021466 | Lake Michigan | Berlin Court Ditch, Armey Ditch | Nappanee website | Nappanee annual notice (101 pp, 16.8 MB, About PDF) |
| South Bend | IN0024520 | Lake Michigan | St. Joseph River | South Bend website | South Bend annual notice (6 pp, 308 K, About PDF) |
| Valparaiso | IN0024660 | Lake Michigan | Salt Creek | Valparaiso website | Valparaiso annual notice (6 pp, 40 K, About PDF) |
| Wakarusa | IN0024775 | Lake Michigan | Werntz Ditch | Wakarusa annual notice (8 pp, 342 K, About PDF) |
|
| Waterloo | IN0020711 | Lake Erie | Cedar Creek | Waterloo website | Waterloo annual notice |
EPA’s Enforcement and Compliance History Online (ECHO) database has additional information on NPDES discharges, including CSO discharges for some facilities.