Grand HUC8 04110004
A 1,827 km² sub-basin of the Great Lakes region in 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
49
Stressed
Drought index
79
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
100%
of 1 reporting
Median flow
22%
p10 of record
Water assets
511
0 springs · 190 wells
USGS gauges (1)
- Grand River near Painesville OH0421210037 cfsp10 · much below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-18 | 79 | 0 | 1/1 | p10 |
| 2026-10-17 | 79 | 0 | 1/1 | p13 |
| 2026-10-16 | 79 | 0 | 1/1 | p6 |
| 2026-10-15 | 79 | 0 | 1/1 | p5 |
| 2026-10-14 | 79 | 0 | 1/1 | p6 |
| 2026-10-13 | 79 | 0 | 1/1 | p6 |
| 2026-10-12 | 79 | 0 | 1/1 | p7 |
| 2026-10-11 | 79 | 0 | 1/1 | p6 |
| 2026-10-10 | 79 | 0 | 1/1 | p6 |
| 2026-10-09 | 79 | 0 | 1/1 | p5 |
| 2026-10-08 | 1 | 0 | 1/1 | p5 |
| 2026-10-07 | 1 | 0 | 1/1 | p7 |
| 2026-10-06 | 1 | 0 | 1/1 | p8 |
| 2026-10-05 | 1 | 0 | 1/1 | p10 |
Top water assets
- 66Quail Hollow Lake Damreservoir
- 66Lake Cardinal Damreservoir
- 66Little Mountain Dam "A"reservoir
- 66Roaming Rock Shores Lake Damreservoir
- 66Schloss Pond Damreservoir
- 65Dead Branchriver
- 65Hoose Road Retention Damreservoir
- 65Lenox Lakes Damreservoir
- 65O'Brien Lake Damreservoir
- 65Loecy Pond Damreservoir