Chautauqua-Conneaut HUC8 04120101
A 2,204 km² sub-basin of the Great Lakes region in NY, OH, PA. 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
58
Moderate
Drought index
100
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
67%
of 3 reporting
Median flow
49%
p15 of record
Water assets
3,378
7 springs · 3,266 wells
USGS gauges (8)
- Walnut Creek Upstream Pool, near Erie, PA042131529 cfsp7 · much below normal
- Brandy Run near Girard, PA042130751 cfsp15 · below normal
- Conneaut Creek at Conneaut OH0421300030 cfsp39 · normal
- Conneaut Creek at Dickonsburg, PA04212895no readingno long-term record
- CHAUTAUQUA CREEK BELOW WESTFIELD NY0421331910 cfsno long-term record
- CANADAWAY CREEK AT FREDONIA NY042133767 cfsno long-term record
- SILVER CREEK AT US ROUTE 20 AT SILVER CREEK NY042133942 cfsno long-term record
- WALNUT CREEK AT US ROUTE 20 AT SILVER CREEK NY042134011 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 100 | 0 | 2/3 | p15 |
| 2026-10-19 | 100 | 0 | 2/3 | p20 |
| 2026-10-18 | 100 | 0 | 1/3 | p26 |
| 2026-10-17 | 100 | 0 | 0/3 | p53 |
| 2026-10-16 | 100 | 0 | 2/3 | p11 |
| 2026-10-15 | 87 | 0 | 2/3 | p12 |
| 2026-10-14 | 87 | 0 | 2/3 | p9 |
| 2026-10-13 | 87 | 0 | 2/3 | p12 |
| 2026-10-12 | 87 | 0 | 1/3 | p25 |
| 2026-10-11 | 87 | 0 | 2/3 | p20 |
| 2026-10-10 | 87 | 0 | 2/3 | p10 |
| 2026-10-09 | 87 | 0 | 2/3 | p9 |
| 2026-10-08 | 81 | 0 | 2/3 | p8 |
| 2026-10-07 | 81 | 0 | 2/3 | p8 |
Top water assets
- 71PA Well CW 783well
- 66Brocton Reservoir Damreservoir
- 66Fredonia Reservoir Damreservoir
- 66Elkem Fluid Waste Pond 3Areservoir
- 66Pierce-Ruhland Pond Damreservoir
- 66Minton Damreservoir
- 66Silver Creek Reservoir Damreservoir
- 65Conneaut Creek At Conneaut Ohriver
- 65Dunkirk Steam Station Pond Damreservoir
- 65Hoag Pond Damreservoir