Cass HUC8 04080205
A 2,351 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
80
Healthy
Drought index
100
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 2 reporting
Median flow
71%
p32 of record
Water assets
463
0 springs · 33 wells
USGS gauges (3)
- CASS RIVER AT CASS CITY, MI0415050011 cfsp30 · normal
- CASS RIVER AT FRANKENMUTH, MI0415150070 cfsp33 · normal
- CASS RIVER AT WAHJAMEGA, MI04150800380 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 100 | 0 | 0/2 | p32 |
| 2026-10-20 | 100 | 0 | 0/2 | p37 |
| 2026-10-19 | 100 | 0 | 0/2 | p43 |
| 2026-10-18 | 100 | 0 | 0/2 | p40 |
| 2026-10-17 | 100 | 0 | 0/2 | p41 |
| 2026-10-16 | 100 | 0 | 0/2 | p45 |
| 2026-10-15 | 100 | 0 | 0/2 | p34 |
| 2026-10-14 | 100 | 0 | 0/2 | p36 |
| 2026-10-13 | 100 | 0 | 0/2 | p35 |
| 2026-10-12 | 100 | 0 | 0/2 | p35 |
| 2026-10-11 | 100 | 0 | 0/2 | p37 |
| 2026-10-10 | 100 | 0 | 0/2 | p44 |
| 2026-10-09 | 100 | 0 | 0/2 | p43 |
| 2026-10-08 | 100 | 0 | 0/2 | p44 |
Top water assets
- 65Boulton Drainriver
- 65Caro Damreservoir
- 65North Branch White Creekriver
- 65Millington Creekriver
- 65Murphy Lake Level Control Structurereservoir
- 65Cass River At Wahjamega, Miriver
- 65Cass River At Cass City, Miriver
- 65Shay Lake Level Control Structurereservoir
- 65Cass River At Frankenmuth, Miriver
- 65Cass Riverriver