Section 5
Crab Orchard Creek Watershed Characterization
DRAFT 5-17
T:\GIS\STAGE ONE SECOND QUARTERLY\1 Crab Orchard\2006EDITS\Sec 5 Crab Orchard.doc
Table 5-33 Effluent Data from Point Sources Discharging to Crab Orchard Lake RNA and Crab
Orchard Lake Tributaries (Illinois EPA 2005)
Facility Name
Period of Record
Permit Number
Receiving Water/
Downstream Impaired
Waterbody Constituent
Average
Value
Average
Loading
(lb/d)
IL DNR-Giant City
State Park
1993 - 2005
IL0049531
Little Grassy Creek/ Crab
Orchard Lake Segment
RNA
Average Daily Flow 0.0126 mgd NA
IL DNR-Ltl Grassy
Fish Hatchry
1992 - 2005
IL0059838
Little Grassy Lake/Crab
Orchard Lake Segment
RNA
Average Daily Flow 0.080 mgd NA
DOI-Little Grassy
Campgrnd STP
1995 - 2005
IL0033073
Little Grassy Lake/Crab
Orchard Lake Segment
RNA
Average Daily Flow 0.0024 mgd NA
SI Bowling &
Recreation Center
1996 - 2005
IL0054101
Unnamed Tributary to
Pigeon Creek/Crab
Orchard Lake Segment
RNA
Average Daily Flow 0.008 mgd NA
Marion WTP
1992 - 2005
IL0001091,
ILG640158
Mule Creek/Crab Orchard
Lake Segment RNA
Average Daily Flow 0.25 mgd NA
Crab Orchard
Estates-Hughes
1994 - 2005
IL0053830
Unnamed Tributary to
Crab Orchard Lake/Crab
Orchard Lake Segment
RNA
Average Daily Flow 0.002 mgd
Verizon
Communications-
Marion
1994 - 2004
IL0059625
Unnamed Ditch to Crab
Orchard/Crab Orchard
Lake Segment RNA
Average Daily Flow 0.0036 mgd NA
Marion Southeast Average Daily Flow 4.95 mgd NA
STP
1989 - 2005
IL0029734
West End Creek to Crab
Orchard Creek/Crab
Orchard Lake Segment
RNA
Phosphorus, Total 0.449 mg/L 13.6
5.3.1.4 Crab Orchard Creek Segments ND11, ND12, and ND13
There are 21 point source with the potential to contribute discharge to Crab Orchard
Creek Segments ND11, ND12, and ND13. Segments ND11, ND12, and ND13 are
impaired for manganese and pH. Segments ND11 and ND13 are also impaired for DO.
Table 5-34 contains a summary of available DMR data for these point sources.
