Cattaraugus HUC8 04120102
A 1,449 km² sub-basin of the Great Lakes region in NY. 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
74
Moderate
Drought index
100
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
87%
p43 of record
Water assets
1,106
43 springs · 838 wells
USGS gauges (2)
- CATTARAUGUS CREEK AT GOWANDA NY04213500244 cfsp43 · normal
- THATCHER BROOK AT GOWANDA NY042135083 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-18 | 100 | 0 | 0/1 | p43 |
| 2026-10-17 | 100 | 0 | 0/1 | p60 |
| 2026-10-16 | 100 | 0 | 1/1 | p19 |
| 2026-10-15 | 95 | 0 | 1/1 | p19 |
| 2026-10-14 | 95 | 0 | 1/1 | p22 |
| 2026-10-13 | 95 | 0 | 0/1 | p27 |
| 2026-10-12 | 95 | 0 | 1/1 | p24 |
| 2026-10-11 | 95 | 0 | 1/1 | p22 |
| 2026-10-10 | 95 | 0 | 0/1 | p25 |
| 2026-10-09 | 95 | 0 | 0/1 | p28 |
| 2026-10-08 | 95 | 0 | 0/1 | p29 |
| 2026-10-07 | 95 | 0 | 0/1 | p26 |
| 2026-10-06 | 95 | 0 | 0/1 | p31 |
| 2026-10-05 | 95 | 0 | 0/1 | p39 |
Top water assets
- 66Nys Atomic Development Dam #1reservoir
- 66Springville Damreservoir
- 66Nys Atomic Development Dam #2reservoir
- 65Rainbow Lake Damreservoir
- 65Stuart Klahn Damreservoir
- 65Cattaraugus County Sportsmans Dam #1reservoir
- 65James Hughey Damreservoir
- 65O'Dell Marsh Damreservoir
- 65Alpine Heights Pond Damreservoir
- 65Rotary Lake Damreservoir