Title
Storm Water Detention Basin Maintenance Program Comprehensive Update
History
The information below is provided as a comprehensive overview.
The Village of Orland Park is predominantly flat but has seven (7) watersheds that carry water away via creeks: Tinley Creek, Mill Creek, Marley Creek, Long Creek, Spring Creek, Hickory Creek, and Midlothian Creek. Tinley Creek flows north and east into the Forest Preserve, then into Crestwood, ending up in the Cal Sag. Midlothian Creek flows east and then north finally ending up in Cal Sag. Mill Creek flows north through the McGinnis Slough and then along Southwest Highway through Palos Park ending up in Cal Sag. Long Creek flows northwest into Tampier Lake in the Forest Preserve and then through the Forest Preserve to Cal Sag. Marley Creek flows southwest through Lake Sedgewick and then along the railroad into Mokena and New Lenox, ending up in Hickory Creek and the Des Plaines River. Hickory Creek starts along Orland Parkway and flows southwest until it gets to the Des Plaines River. Spring Creek flows southwest through Homer Glen and Joliet, connects with Hickory Creek, and ends up in the Des Plaines River. Based on the watersheds, all water goes to the Des Plaines River via Cal Sag or Hickory Creek.
The storm conveyance system in the Village consists of a lake, creeks, detention basins, and storm piping, and is permitted and mandated by the Metropolitan Water Reclamation District (MWRD) for design and maintenance. The conveyance system is interlocked between Village/publicly owned and maintained infrastructure, and privately owned and maintained infrastructure, including creeks and detention basins. There are over five hundred (500) detention basins (dry and wet) in the Village, with over three hundred twenty one (321) privately owned and one hundred seventy eight (178) publicly owned. In addition, there are many locations where creeks cross privately owned land without a public easement. Because of this interl...
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