Oconto HUC8 04030104
A 2,489 km² sub-basin of the Great Lakes region in WI. 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
70
Moderate
Drought index
217
Severe
Area in D2+
18.64%
0% exceptional (D4)
Gauges below normal
0%
of 2 reporting
Median flow
92%
p43 of record
Water assets
619
0 springs · 107 wells
USGS gauges (2)
- OCONTO RIVER NEAR OCONTO, WI04071765395 cfsp41 · normal
- OCONTO RIVER NEAR GILLETT, WI04071000404 cfsp44 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 217 | 18.64 | 0/2 | p43 |
| 2026-10-18 | 217 | 18.64 | 0/2 | p47 |
| 2026-10-17 | 217 | 18.64 | 0/2 | p43 |
| 2026-10-16 | 217 | 18.64 | 0/2 | p46 |
| 2026-10-15 | 189 | 0 | 2/2 | p22 |
| 2026-10-14 | 189 | 0 | 1/2 | p24 |
| 2026-10-13 | 189 | 0 | 1/2 | p43 |
| 2026-10-12 | 189 | 0 | 1/2 | p27 |
| 2026-10-11 | 189 | 0 | 1/2 | p29 |
| 2026-10-10 | 189 | 0 | 2/2 | p16 |
| 2026-10-09 | 189 | 0 | 2/2 | p17 |
| 2026-10-08 | 182 | 0 | 2/2 | p17 |
| 2026-10-07 | 182 | 0 | 2/2 | p22 |
| 2026-10-06 | 182 | 0 | 0/2 | p32 |
Top water assets
- 66Oconto Falls Upperreservoir
- 65Winslow Lakereservoir
- 65Reservoirreservoir
- 65Wheelerreservoir
- 65Stilesreservoir
- 65Jones Springreservoir
- 65Chutereservoir
- 65Oconto River Near Gillett, Wiriver
- 65Waupee Damreservoir
- 65Oconto Falls Lowerreservoir