Otter Tail HUC8 09020103
A 4,984 km² sub-basin of the Souris-Red-Rainy region in MN. 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
54
Moderate
Drought index
251
Severe
Area in D2+
51.35%
0% exceptional (D4)
Gauges below normal
50%
of 2 reporting
Median flow
50%
p20 of record
Water assets
4,247
0 springs · 3,620 wells
USGS gauges (3)
- OTTER TAIL RIVER NEAR ELIZABETH, MN05030500158 cfsp13 · below normal
- OTTER TAIL RIVER BL ORWELL D NR FERGUS FALLS, MN05046000118 cfsp27 · normal
- OTTER TAIL RIVER DIVERSION AT BRECKENRIDGE, MN050464750 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 251 | 51.35 | 1/2 | p20 |
Top water assets
- 66Friberg (Taplin Gorge)reservoir
- 66Dayton Hollow Damreservoir
- 65Phelps Mill Pondreservoir
- 65Blanche Lakereservoir
- 65Pisgahreservoir
- 65Pelican Rapidsreservoir
- 65Willow Creekriver
- 65Prairie Lakereservoir
- 65Estlick F Wetlandreservoir
- 65Pelican Lakereservoir