East Branch Delaware HUC8 02040102
A 2,177 km² sub-basin of the Mid-Atlantic 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
84
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 11 reporting
Median flow
93%
p47 of record
Water assets
590
30 springs · 237 wells
USGS gauges (12)
- EAST BRANCH DELAWARE RIVER AT HARVARD NY01417500146 cfsp33 · normal
- DRY BROOK AT ARKVILLE0141340873 cfsp39 · normal
- BUSH KILL NEAR ARKVILLE NY0141339841 cfsp39 · normal
- EAST BRANCH DELAWARE RIVER AT ROXBURY NY0141308811 cfsp43 · normal
- TREMPER KILL NEAR ANDES NY0141500017 cfsp43 · normal
- PLATTE KILL AT DUNRAVEN NY0141400021 cfsp47 · normal
- MILL BROOK NEAR DUNRAVEN NY0141450021 cfsp48 · normal
- EAST BRANCH DELAWARE RIVER AT DOWNSVILLE NY0141700089 cfsp52 · normal
- BEAVER KILL AT COOKS FALLS NY01420500255 cfsp53 · normal
- EAST BRANCH DELAWARE RIVER AT MARGARETVILLE NY01413500135 cfsp56 · normal
- WILLOWEMOC CREEK NR LIVINGSTON MANOR NY0141950061 cfsp57 · normal
- EAST BRANCH DELAWARE RIVER AT HANCOCK NY01421500554 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 0 | 0 | 0/11 | p47 |
| 2026-10-20 | 0 | 0 | 0/11 | p47 |
| 2026-10-19 | 0 | 0 | 0/11 | p50 |
| 2026-10-18 | 0 | 0 | 0/11 | p53 |
| 2026-10-17 | 0 | 0 | 0/11 | p63 |
| 2026-10-16 | 0 | 0 | 0/11 | p47 |
| 2026-10-15 | 0 | 0 | 0/11 | p53 |
| 2026-10-14 | 0 | 0 | 0/11 | p54 |
| 2026-10-13 | 0 | 0 | 0/11 | p59 |
| 2026-10-12 | 0 | 0 | 0/11 | p81 |
| 2026-10-11 | 0 | 0 | 0/11 | p38 |
| 2026-10-10 | 0 | 0 | 0/11 | p41 |
| 2026-10-09 | 0 | 0 | 0/11 | p41 |
| 2026-10-08 | 0 | 0 | 0/11 | p44 |
Top water assets
- 67Willowemoc Creekriver
- 67Vly Creekriver
- 67Dry Brookriver
- 67Red Killriver
- 67Beaver Killriver
- 67Dry Brookriver
- 67Downsville Damreservoir
- 67Vly Creekriver
- 67Beaver Killriver
- 67Dry Brookriver