Lower Illinois-Senachwine Lake HUC8 07130001
A 5,076 km² sub-basin of the Upper Mississippi region in IL. Drought coverage is from the US Drought Monitor (map of 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
71
Moderate
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
50%
of 4 reporting
Median flow
89%
p44 of record
Water assets
3,682
0 springs · 3,317 wells
USGS gauges (5)
- FONDULAC CREEK NEAR EAST PEORIA, IL055615000 cfsp10 · below normal
- FARM CREEK AT FARMDALE, IL055605001 cfsp21 · below normal
- ILLINOIS RIVER AT HENRY, IL0555830010,300 cfsp67 · normal
- BIG BUREAU CREEK AT PRINCETON, IL05556500118 cfsp86 · above normal
- EAST BUREAU CREEK NEAR BUREAU, IL055575002 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 0 | 0 | 2/4 | p44 |
| 2026-10-20 | 0 | 0 | 2/4 | p43 |
| 2026-10-19 | 0 | 0 | 1/4 | p55 |
| 2026-10-18 | 0 | 0 | 1/4 | p54 |
| 2026-10-17 | 0 | 0 | 1/4 | p63 |
| 2026-10-16 | 0 | 0 | 1/4 | p65 |
| 2026-10-15 | 0 | 0 | 0/4 | p64 |
| 2026-10-14 | 0 | 0 | 1/4 | p58 |
| 2026-10-13 | 0 | 0 | 1/4 | p64 |
| 2026-10-12 | 0 | 0 | 1/4 | p62 |
| 2026-10-11 | 0 | 0 | 1/4 | p61 |
| 2026-10-10 | 0 | 0 | 0/4 | p71 |
| 2026-10-09 | 0 | 0 | 1/4 | p65 |
| 2026-10-08 | 0 | 0 | 1/4 | p73 |
Top water assets
- 66Tiskilwa Structure 5 Damreservoir
- 66Lake Thunderbird Damreservoir
- 66Wildwood Lake Damreservoir
- 66Putnam County Conservation District Damreservoir
- 66Hennepin Ash Pond 2 Damreservoir
- 66Tiskilwa Strucure 2 Damreservoir
- 66Condit Dam 1reservoir
- 66White Oak Lake Damreservoir
- 66Tiskilwa Structure 4 Damreservoir
- 66Fondulac Damreservoir