Lower Delaware HUC8 02040202
A 2,982 km² sub-basin of the Mid-Atlantic region in DE, NJ, PA. Drought coverage is from the US Drought Monitor (map of 2026-09-01); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
74
Moderate
Drought index
71
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
17%
of 18 reporting
Median flow
93%
p44 of record
Water assets
8,593
6 springs · 5,645 wells
USGS gauges (22)
- McDonalds Branch in Byrne State Forest NJ014665001 cfsp9 · much below normal
- South Branch Pennsauken Creek at Cherry Hill NJ014670813 cfsp9 · much below normal
- Cooper River at Haddonfield NJ014671508 cfsp16 · below normal
- Cobbs Creek at Mt. Moriah Cemetery, Philadelphia014755488 cfsp29 · normal
- Cobbs Cr at U.S. Hghwy No. 1 at Philadelphia, PA014755302 cfsp36 · normal
- Ridley Creek at Media, PA0147648013 cfsp40 · normal
- Mantua Creek at East Holly Avenue at Pitman NJ014750017 cfsp41 · normal
- North Branch Rancocas Creek at Pemberton NJ0146700071 cfsp43 · normal
- Darby Creek near Darby, PA0147551025 cfsp43 · normal
- Greenwood Branch at New Lisbon NJ0146690037 cfsp46 · normal
- Poquessing Creek at Grant Ave. at Philadelphia, PA014657987 cfsp49 · normal
- Pennypack Creek at Pine Road, at Philadelphia, PA0146704228 cfsp51 · normal
- Frankford Creek at Castor Ave, Philadelphia, PA0146708711 cfsp53 · normal
- Crum Creek near Newtown Square, PA014758508 cfsp53 · normal
- South Branch Rancocas Creek at Vincentown NJ0146585043 cfsp56 · normal
- Chester Creek near Chester, PA0147700041 cfsp58 · normal
- Raccoon Creek near Swedesboro NJ0147712021 cfsp61 · normal
- Pennypack Cr at Lower Rhawn St Bdg, Phila., PA0146704839 cfsp62 · normal
- Southwest Branch Rancocas Creek at Medford NJ0146588077 cfsno long-term record
- Rancocas Creek at Bridgeboro NJ0146702412,900 cfsno long-term record
- Delaware River at Penn's Landing, Philadelphia, PA01467200223,000 cfsno long-term record
- Raccoon Creek at Wrights Mill NJ014770704 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 71 | 0 | 3/18 | p44 |
Top water assets
- 76Northern Atlantic Coastal Plain Aquifer — New Jersey Pine Barrensaquifer
- 75PA Well PH 408well
- 75PA Well PH 452well
- 75PA Well PH 467well
- 75PA Well PH 451well
- 75PA Well PH 25well
- 75PA Well PH 407well
- 75PA Well PH 128well
- 74PA Well PH 413well
- 74PA Well PH 416well