Pecatonica HUC8 07090003
A 4,870 km² sub-basin of the Upper Mississippi region in IL, WI. 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
79
Healthy
Drought index
98
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 5 reporting
Median flow
117%
p60 of record
Water assets
1,988
1 springs · 493 wells
USGS gauges (6)
- PECATONICA RIVER NR SHIRLAND, ILL054370501,250 cfsp56 · normal
- PECATONICA RIVER AT FREEPORT, IL05435500709 cfsp60 · normal
- PECATONICA RIVER AT MARTINTOWN, WI05434500567 cfsp60 · normal
- PECATONICA RIVER AT DARLINGTON, WI05432500156 cfsp69 · normal
- EAST BRANCH PECATONICA RIVER NR BLANCHARDVILLE, WI05433000136 cfsp70 · normal
- LIVINGSTON BR PECATONICA RIVER NEAR LIVINGSTON, WI054320558 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 98 | 0 | 0/5 | p60 |
Top water assets
- 66Lake Le-Aqua-Na Damreservoir
- 66Hidden Valley Lakereservoir
- 66Yellowstonereservoir
- 66Eldon Rulereservoir
- 66Mcnettreservoir
- 65Yellowstone Riverriver
- 65Dodge Branchriver
- 65Silver Creekriver
- 65Honey Creekriver
- 65Little Richard Creekriver