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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
76
Healthy
Drought index
46
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
20%
of 5 reporting
Median flow
82%
p38 of record
Water assets
1,658
8 springs · 903 wells
USGS gauges (7)
- GRAND RIVER NEAR EASTMANVILLE, MI041194001,860 cfsp16 · below normal
- ROGUE RIVER NEAR ROCKFORD, MI04118500134 cfsp30 · normal
- PLASTER CREEK AT 28TH STREET AT GRAND RAPIDS, MI0411905519 cfsp38 · normal
- GRAND RIVER AT GRAND RAPIDS, MI041190001,790 cfsp40 · normal
- GRAND RIVER AT IONIA, MI04116000685 cfsp43 · normal
- GRAND RIVER AT STATE HWY M-11 AT GRANDVILLE, MI041190701,910 cfsno long-term record
- BUCK CREEK AT WILSON AVENUE AT GRANDVILLE, MI0411916030 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-18 | 46 | 0 | 1/5 | p38 |
| 2026-10-17 | 46 | 0 | 2/5 | p38 |
| 2026-10-16 | 46 | 0 | 1/5 | p35 |
| 2026-10-15 | 46 | 0 | 3/5 | p22 |
| 2026-10-14 | 46 | 0 | 3/5 | p21 |
| 2026-10-13 | 46 | 0 | 2/5 | p25 |
| 2026-10-12 | 46 | 0 | 1/5 | p27 |
| 2026-10-11 | 46 | 0 | 0/5 | p32 |
| 2026-10-10 | 46 | 0 | 0/5 | p34 |
| 2026-10-09 | 46 | 0 | 0/5 | p42 |
| 2026-10-08 | 59 | 0 | 0/5 | p45 |
| 2026-10-07 | 59 | 0 | 0/5 | p52 |
| 2026-10-06 | 59 | 0 | 0/5 | p59 |
| 2026-10-05 | 59 | 0 | 0/5 | p75 |
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