Upper Delaware HUC8 02040101
A 3,083 km² sub-basin of the Mid-Atlantic region in NY, 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
82
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 14 reporting
Median flow
119%
p53 of record
Water assets
1,403
19 springs · 870 wells
USGS gauges (17)
- WEST BRANCH DELAWARE RIVER AT STILESVILLE NY01425000163 cfsp33 · normal
- WEST BRANCH DELAWARE RIVER AT HALE EDDY NY01426500326 cfsp35 · normal
- EAST BROOK EAST OF WALTON NY0142274718 cfsp37 · normal
- DELAWARE RIVER AT LORDVILLE NY014272071,260 cfsp41 · normal
- TOWN BROOK SOUTHEAST OF HOBART NY0142161812 cfsp50 · normal
- DELAWARE RIVER AT CALLICOON NY014275101,500 cfsp52 · normal
- TROUT CREEK NEAR TROUT CREEK NY014240010314 cfsp53 · normal
- WEST BRANCH DELAWARE RIVER AT WALTON NY01423000234 cfsp54 · normal
- LITTLE DELAWARE RIVER NEAR DELHI NY0142250032 cfsp55 · normal
- WEST BRANCH DELAWARE RIVER AT HOBART NY0142161016 cfsp56 · normal
- DELAWARE R ABOVE LACKAWAXEN R NEAR BARRYVILLE NY014285001,740 cfsp57 · normal
- WEST BRANCH DELAWARE RIVER UPSTREAM FROM DELHI NY01421900101 cfsp66 · normal
- CALLICOON CREEK AT CALLICOON NY01427500111 cfsp77 · above normal
- TENMILE RIVER AT TUSTEN NY0142800033 cfsp83 · above normal
- WEST BROOK AT AUSTIN LINCOLN PARK AT WALTON NY0142277915 cfsno long-term record
- OQUAGA CREEK AT MCCLURE NY0142580546 cfsno long-term record
- Equinunk Creek near Dillontown, PA0142719548 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 0 | 0 | 0/14 | p53 |
| 2026-10-18 | 0 | 0 | 0/14 | p60 |
| 2026-10-17 | 0 | 0 | 0/14 | p69 |
| 2026-10-16 | 0 | 0 | 2/14 | p44 |
| 2026-10-15 | 0 | 0 | 1/14 | p52 |
| 2026-10-14 | 0 | 0 | 0/14 | p56 |
| 2026-10-13 | 0 | 0 | 0/14 | p68 |
| 2026-10-12 | 0 | 0 | 0/14 | p86 |
| 2026-10-11 | 0 | 0 | 1/14 | p40 |
| 2026-10-10 | 0 | 0 | 1/14 | p38 |
| 2026-10-09 | 0 | 0 | 2/14 | p40 |
| 2026-10-08 | 0 | 0 | 1/14 | p40 |
| 2026-10-07 | 0 | 0 | 3/14 | p47 |
| 2026-10-06 | 0 | 0 | 3/14 | p48 |
Top water assets
- 67Cannonsville Damreservoir
- 67Little Delaware Riverriver
- 67Little Delaware Riverriver
- 67Little Delaware Riverriver
- 67Little Delaware Riverriver
- 66PA Well PI 248well
- 65Joseph Lynch Pond Damreservoir
- 65Trout Creek Near Trout Creek Nyriver
- 65Kazens Pond Damreservoir
- 65Equinunk Creek Near Dillontown, Pariver