Au Sable HUC8 04070007
A 5,306 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
79
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 6 reporting
Median flow
130%
p78 of record
Water assets
3,308
4 springs · 2,686 wells
USGS gauges (9)
- SOUTH BRANCH AU SABLE RIVER NEAR LUZERNE, MI04135700218 cfsp66 · normal
- AU SABLE RIVER NEAR AU SABLE, MI041375001,550 cfsp77 · above normal
- AU SABLE RIVER AT MIO, MI041365001,140 cfsp78 · above normal
- AU SABLE RIVER NEAR CURTISVILLE, MI041370051,430 cfsp79 · above normal
- AU SABLE RIVER NEAR RED OAK, MI041360001,000 cfsp79 · above normal
- AU SABLE RIVER NEAR MC KINLEY, MI041369001,330 cfsp79 · above normal
- NB AU SABLE RIVER AT KELLOGGS BR NEAR LOVELLS, MI04135800237 cfsno long-term record
- PINE RIVER AT KINGS CORNER RD NR OSCODA, MI04137680272 cfsno long-term record
- VAN ETTEN CREEK AT HWY F-41 AT OSCODA, MI04137716493 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-18 | 0 | 0 | 0/6 | p78 |
| 2026-10-17 | 0 | 0 | 0/6 | p80 |
| 2026-10-16 | 0 | 0 | 0/6 | p77 |
| 2026-10-15 | 0 | 0 | 0/6 | p74 |
| 2026-10-14 | 0 | 0 | 0/6 | p78 |
| 2026-10-13 | 0 | 0 | 0/6 | p74 |
| 2026-10-12 | 0 | 0 | 0/6 | p66 |
| 2026-10-11 | 0 | 0 | 0/6 | p67 |
| 2026-10-10 | 0 | 0 | 0/6 | p66 |
| 2026-10-09 | 0 | 0 | 0/6 | p66 |
| 2026-10-08 | 0 | 0 | 0/6 | p68 |
| 2026-10-07 | 0 | 0 | 0/6 | p62 |
| 2026-10-06 | 0 | 0 | 0/6 | p62 |
| 2026-10-05 | 0 | 0 | 0/6 | p74 |
Top water assets
- 66Footereservoir
- 66Loudreservoir
- 66Alconareservoir
- 66Mioreservoir
- 66Five Channelsreservoir
- 66Cookereservoir
- 657Th Spectacle Lake Damreservoir
- 65Davis Damreservoir
- 65Hunt Creek Damreservoir
- 65South Branch Au Sable Riverriver