sanitary sewer | United States Sanitary Commission | Sewer Socialism | Sanitary sewer | Chicago Sanitary and Ship Canal | Sewer Shark | Overflow | North Shore Sanitary District Tower | Effluent sewer |
Currently, efforts are being made by the Natural Resources Conservation Service of the United States Department of Agriculture to reduce the number of bacteria introduced into the river from untreated sewage, sanitary sewer overflow, agricultural runoff, leaking septic tanks, etc.