Ottawa-Stony HUC8 04100001
A 1,812 km² sub-basin of the Great Lakes region in MI, OH. 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
82
Healthy
Drought index
31
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
152%
p57 of record
Water assets
304
4 springs · 136 wells
USGS gauges (2)
- Ottawa River at University of Toledo, Toledo OH0417700023 cfsp57 · normal
- MUDDY CREEK AT BELLETERRE RD NR ERIE, MI041766170 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 31 | 0 | 0/1 | p57 |
| 2026-10-19 | 31 | 0 | 0/1 | p55 |
| 2026-10-18 | 31 | 0 | 0/1 | p59 |
| 2026-10-17 | 31 | 0 | 0/1 | p84 |
| 2026-10-16 | 31 | 0 | 0/1 | p80 |
| 2026-10-15 | 31 | 0 | 0/1 | p82 |
| 2026-10-14 | 31 | 0 | 0/1 | p58 |
| 2026-10-13 | 31 | 0 | 0/1 | p56 |
| 2026-10-12 | 31 | 0 | 0/1 | p66 |
| 2026-10-11 | 31 | 0 | 0/1 | p57 |
| 2026-10-10 | 31 | 0 | 0/1 | p61 |
| 2026-10-09 | 31 | 0 | 0/1 | p59 |
| 2026-10-08 | 31 | 0 | 0/1 | p63 |
| 2026-10-07 | 31 | 0 | 0/1 | p59 |
Top water assets
- 65Tenmile Creekriver
- 65Tenmile Creekriver
- 65Metamora Upground Reservoirreservoir
- 65Flat Creekriver
- 65Plum Creekriver
- 65Detroit Metro Wetland Mitigation Damreservoir
- 65Muddy Creek At Belleterre Rd Nr Erie, Miriver
- 65Charles Sargent Damreservoir
- 65Ottawa River At University Of Toledo, Toledo Ohriver
- 65Ottawa Riverriver