Attachment B Water Quality Duration Curves for the Lower Eel River Watershed
Eel River at SR 67 Bridge Fixed Station Site WQ Duration Curve (1991 -2001 Monitoring Data) Site: #31 (WWE 090 -0001) High Flows Moist Conditions Mid-range Flows Dry Conditions Low Flows Office of Water Quality Geometric Mean of the 2001 Data = 639. 80 IDEM Data & USGS Gage Duration Interval Total Maximum Daily Load 1, 208 square miles
Eel River Including Connelly Ditch WQ Duration Curve (1996 & 2001 Monitoring Data) Site: #14 (WWE 090 -0004) High Flows Moist Conditions Dry Mid-range Conditions Flows Low Flows Office of Water Quality Geometric Mean of 2001 Data = 915. 03 IDEM Data & USGS Gage Duration Interval Total Maximum Daily Load 1060 square miles
Eel River Including Splunge Creek WQ Duration Curve (2001 Monitoring Data) Site: #4 (WWE 090 -0014) High Flows Moist Conditions Mid-range Flows Dry Conditions Low Flows Office of Water Quality Geometric Mean = 487. 83 IDEM Data & USGS Gage Duration Interval Total Maximum Daily Load 998 square miles
Birch Cr above Crooked Cr and Brush Cr at SR 46 WQ Duration Curve (1991 -2001 Flow Data & 1996 E. coli Data) Site: #1 (WWE 080 -0003) High Flows Moist Conditions Mid-range Flows Dry Conditions Low Flows Office of Water Quality Total Maximum Daily Load IDEM Data & USGS Gage Duration Interval 39. 2 square miles
Birch Cr below Crooked Cr and Brush Cr at CR 300 S WQ Duration Curve (1991 -2001 Flow Data & 2001 E. coli Data) Site: #2 (WWE 080 -0009) High Flows Moist Conditions Mid-range Flows Dry Conditions Low Flows Office of Water Quality Geometric Mean = 252. 29 IDEM Data & USGS Gage Duration Interval Total Maximum Daily Load 64. 8 square miles
Splunge Cr at mouth on CR 535 W-CR 550 W WQ Duration Curve (1991 -2001 Flow Data & 1996 E. coli Data) Site: #3 (WWE 090 -0002) High Flows Moist Conditions Mid-range Flows Dry Conditions Low Flows Office of Water Quality Total Maximum Daily Load IDEM Data & USGS Gage Duration Interval 46. 1 square miles
Unnamed Trib. #1 to Connelly Ditch WQ Duration Curve (1991 -2001 Flow Data & 2001 E. coli Data) Site: #05 (WWE 090 -0033) High Flows Moist Conditions Mid-range Flows Dry Conditions Low Flows Office of Water Quality Geometric Mean = 305. 58 IDEM Data & USGS Gage Duration Interval Total Maximum Daily Load 3. 12 square miles
Unnamed Trib. #2 to Connelly Ditch at CR 500 S & CR 100 E WQ Duration Curve (1991 -2001 Flow Data & 2001 E. coli Data) Site: #06 (WWE 090 -0034) High Flows Moist Conditions Mid-range Flows Dry Conditions Low Flows Office of Water Quality Geometric Mean = 678. 20 IDEM Data & USGS Gage Duration Interval Total Maximum Daily Load 1. 56 square miles
Connelly Ditch at CR 50 E WQ Duration Curve (1991 -2001 Flow Data & 2001 E. coli Data) Site: #07 (WWE 090 -0035) High Flows Moist Conditions Mid-range Flows Dry Conditions Low Flows Office of Water Quality Geometric Mean = 1004. 31 IDEM Data & USGS Gage Duration Interval Total Maximum Daily Load 6. 24 square miles
Connelly Ditch at CR 600 S WQ Duration Curve (1991 -2001 Flow Data & 2001 E. coli Data) Site: #08 (WWE 090 -0036) High Flows Moist Conditions Mid-range Flows Dry Conditions Low Flows Office of Water Quality Geometric Mean = 192. 65 IDEM Data & USGS Gage Duration Interval Total Maximum Daily Load 12. 48 square miles
Connelly Ditch upstream of Clay City Trib. on SR 246 WQ Duration Curve (1991 -2001 Flow Data & 2001 E. coli Data) Site: #09 (WWE 090 -0038) High Flows Moist Conditions Mid-range Flows Dry Conditions Low Flows Office of Water Quality Geometric Mean = 63. 90 IDEM Data & USGS Gage Duration Interval Total Maximum Daily Load 15. 6 square miles
Connelly Ditch at CR 1100 S WQ Duration Curve (1991 -2001 Flow Data & 2001 E. coli Data) Site: #11 (WWE 090 -0039) High Flows Moist Conditions Mid-range Flows Dry Conditions Low Flows Office of Water Quality Geometric Mean = 85. 50 IDEM Data & USGS Gage Duration Interval Total Maximum Daily Load 28. 08 square miles
Connelly Ditch near mouth at CR 1200 S WQ Duration Curve (1991 -2001 Flow Data & 1996 & 2001 E. coli Data) Site: #12&13 (WWE 090 -0003 & WWE 090 -0040) High Flows Moist Conditions Mid-range Flows Dry Conditions Low Flows Office of Water Quality Total Maximum Daily Load Geometric Mean of 1996 Data = 246. 76 IDEM Data & USGS Gage Duration Interval 31. 2 square miles
Connelly Ditch at CR 400 S near River Road WQ Duration Curve (1991 -2001 Flow Data & 2001 E. coli Data) Site: #15 (WWE 090 -0032) High Flows Moist Conditions Mid-range Flows Dry Conditions Low Flows Office of Water Quality Geometric Mean = 203. 16 IDEM Data & USGS Gage Duration Interval Total Maximum Daily Load 4. 68 square miles
White Oak Cr at CR 1250 S WQ Duration Curve (1991 -2001 Flow Data & 2001 E. coli Data) Site: #16 (WWE 090 -0021) High Flows Moist Conditions Mid-range Flows Dry Conditions Low Flows Office of Water Quality Geometric Mean = 218. 16 IDEM Data & USGS Gage Duration Interval Total Maximum Daily Load 9. 6 square miles
Lagoon Creek at CR 850 S WQ Duration Curve (1991 -2001 Flow Data & 2001 E. coli Data) Site: #21 (WWE 090 -0023) High Flows Moist Conditions Mid-range Flows Dry Conditions Low Flows Office of Water Quality Geometric Mean = 285. 09 IDEM Data & USGS Gage Duration Interval Total Maximum Daily Load 23. 9 square miles
Eel River Above Turkey Creek at SR 157 WQ Duration Curve (1991 - 2001 Flow Data) Site: #23 (WWE 090 -0024) High Flows Moist Conditions Mid-range Flows Dry Conditions Low Flows Office of Water Quality Geometric Mean = 816. 93 IDEM Data & USGS Gage Duration Interval Total Maximum Daily Load 1, 131 square miles
Lick Creek at CR 150 S, East of Bond Rd WQ Duration Curve (1991 -2001 Flow Data & 2001 E. coli Data) Site: #24 (WWE 090 -0025) High Flows Moist Conditions Mid-range Flows Dry Conditions Low Flows Office of Water Quality Geometric Mean = 150. 47 IDEM Data & USGS Gage Duration Interval Total Maximum Daily Load 8. 16 square miles
Lick Creek at CR 300 S WQ Duration Curve (1991 -2001 Flow Data & 2001 E. coli Data) Site: #25 (WWE 090 -0026) High Flows Moist Conditions Mid-range Flows Dry Conditions Low Flows Office of Water Quality Geometric Mean = 147. 28 IDEM Data & USGS Gage Duration Interval Total Maximum Daily Load 19. 525 square miles
Hauser Creek a Trib. of Lick Creek at CR 350 S WQ Duration Curve (1991 -2001 Flow Data & 2001 E. coli Data) Site: #26 (WWE 090 -0027) High Flows Moist Conditions Mid-range Flows Dry Conditions Low Flows Office of Water Quality Geometric Mean = 106. 20 IDEM Data & USGS Gage Duration Interval Total Maximum Daily Load 7. 875 square miles
Lick Creek at CR 450 S WQ Duration Curve (1991 -2001 Flow Data & 2001 E. coli Data) Site: #27 (WWE 090 -0028) High Flows Moist Conditions Mid-range Flows Dry Conditions Low Flows Office of Water Quality Geometric Mean = 342. 69 IDEM Data & USGS Gage Duration Interval Total Maximum Daily Load 32. 2 square miles
Lick Creek above Beech Creek (Need Ditch-Beach Creek) at CR 750 S WQ Duration Curve (1991 -2001 Flow Data & 1996 E. coli Data) Site: #28 (WWE 090 -0006) High Flows Moist Conditions Mid-range Flows Dry Conditions Low Flows Office of Water Quality Total Maximum Daily Load IDEM Data & USGS Gage Duration Interval 38. 8 square miles
Beech Creek (Need Ditch-Beach Creek) on Arney Rd WQ Duration Curve (1991 -2001 Flow Data & 2001 E. coli Data) Site: #29 (WWE 090 -0029) High Flows Moist Conditions Mid-range Flows Dry Conditions Low Flows Office of Water Quality Geometric Mean = 674. 23 IDEM Data & USGS Gage Duration Interval Total Maximum Daily Load 6. 01 square miles
Brush Creek at CR 700 S WQ Duration Curve (1991 -2001 Flow Data & 2001 E. coli Data) Site: #30 (WWE 090 -0030) High Flows Moist Conditions Mid-range Flows Dry Conditions Low Flows Office of Water Quality Geometric Mean = 295. 33 IDEM Data & USGS Gage Duration Interval Total Maximum Daily Load 3. 09 square miles
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