Attachment C

1
Attachment C

• Load Duration Curves for the Flatrock-Haw Creek
  Watershed

2
Flatrock River at US 40 Bridge near Lewisville,
INE. coli Load Duration Curve Site 05
(WEF010-0001)
Dry Conditions
Low Flows
High Flows
Mid-range Flows
Moist Conditions


IDEM Water Quality Data USGS Gage 03363500
Stream Flow Data
Upstream Drainage Area of 47.8 square mile
3
Flatrock River at US 52 (SR 3) Bridge in
Rushville, INE. coli Load Duration Curve - Site
8 (WEF020-0012)
Dry Conditions
Low Flows
Moist Conditions
Mid-range Flows
High Flows


IDEM Water Quality Data USGS Gage 03363500
Stream Flow Data
Upstream Drainage Area of 168 square mile
4
Flatrock River at USGS St. Paul Gage SiteE. coli
Load Duration Curve - Site 10 (WEF040-0002)
Dry Conditions
Low Flows
High Flows
Mid-range Flows
Moist Conditions

IDEM Water Quality Data USGS Gage 03363500
Stream Flow Data
Upstream Drainage Area of 303 square mile
5
Flatrock River at SR 31 Bridge in Columbus, INE.
coli Load Duration Curve - Site 14
(WEF050-0001)
Dry Conditions
Low Flows
High Flows
Mid-range Flows
Moist Conditions
IDEM Water Quality Data USGS Gage 03363900
Stream Flow Data
Upstream Drainage Area of 534 square mile
6
Haw Creek at SR 7 in Columbus, INE. coli Load
Duration Curve - Site 16 (WEF060-0002)
Dry Conditions
Moist Conditions
Mid-range Flows
High Flows
Low Flows
IDEM Water Quality Data USGS Gage 03363900
Stream Flow Data
Upstream Drainage Area of 55.5 square mile