South Fork Sangamon HUC8 07130007
A 3,030 km² sub-basin of the Upper Mississippi region in IL. Drought coverage is from the US Drought Monitor (map of 2026-09-01); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
72
Moderate
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
50%
of 2 reporting
Median flow
62%
p27 of record
Water assets
2,125
0 springs · 1,960 wells
USGS gauges (6)
- SUGAR CREEK NEAR SPRINGFIELD, IL0557625011 cfsp18 · below normal
- SOUTH FORK SANGAMON RIVER NEAR ROCHESTER, IL0557600011 cfsp37 · normal
- LICK CREEK NEAR CHATHAM, IL055760900 cfsno long-term record
- LICK CREEK NEAR WOODSIDE, IL0557610016 cfsno long-term record
- SUGAR CREEK AT COVERED BRIDGE RD NR CHATHAM, IL055761931 cfsno long-term record
- SUGAR CREEK NEAR CHATHAM, IL055761959 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 0 | 0 | 1/2 | p27 |
Top water assets
- 66Kincaid City Lake Damreservoir
- 66Spaulding Damreservoir
- 66Sangchris Lake Damreservoir
- 65Theilen Pond Dam 1reservoir
- 65Lake Taylorville Damreservoir
- 65Lick Creek Near Woodside, Ilriver
- 65Sugar Creek Near Chatham, Ilriver
- 65Hunter Pond Dam 1reservoir
- 65South Fork Sangamon River Near Rochester, Ilriver
- 65Lick Creek Near Chatham, Ilriver