Lower Grand HUC8 04050006
A 5,236 km² sub-basin of the Great Lakes region in MI. 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
74
Moderate
Drought index
82
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 5 reporting
Median flow
218%
p86 of record
Water assets
1,658
8 springs · 903 wells
USGS gauges (7)
- ROGUE RIVER NEAR ROCKFORD, MI04118500146 cfsp71 · normal
- GRAND RIVER NEAR EASTMANVILLE, MI041194003,110 cfsp77 · above normal
- GRAND RIVER AT GRAND RAPIDS, MI041190003,230 cfsp86 · above normal
- GRAND RIVER AT IONIA, MI041160001,850 cfsp88 · above normal
- PLASTER CREEK AT 28TH STREET AT GRAND RAPIDS, MI0411905564 cfsp90 · above normal
- GRAND RIVER AT STATE HWY M-11 AT GRANDVILLE, MI041190703,120 cfsno long-term record
- BUCK CREEK AT WILSON AVENUE AT GRANDVILLE, MI0411916060 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 82 | 0 | 0/5 | p86 |
Top water assets
- 66Sessions Creek Damreservoir
- 66Flat River Diversion Damreservoir
- 65North Branch Rush Creek Retention Basin Damreservoir
- 65Rush Creek Detention Basin Dam #2reservoir
- 65Grass Lake Level Control Structurereservoir
- 65Grand River At Grand Rapids, Miriver
- 65Eastbrook Lake Level Control Structurereservoir
- 65White'S Bridgereservoir
- 65Rogue Riverriver
- 65Plaster Creek At 28Th Street At Grand Rapids, Miriver