Cohansey-Maurice HUC8 02040206
A 3,094 km² sub-basin of the Mid-Atlantic region in DE, NJ. 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
76
Healthy
Drought index
17
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
33%
of 3 reporting
Median flow
83%
p29 of record
Water assets
5,516
2 springs · 1,081 wells
USGS gauges (4)
- Salem River at Woodstown NJ014825006 cfsp24 · below normal
- Cohansey River at Seeley NJ0141280020 cfsp29 · normal
- Maurice River at Norma NJ01411500140 cfsp75 · above normal
- Manumuskin River at Cumberland NJ0141208029 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 17 | 0 | 1/3 | p29 |
| 2026-10-19 | 17 | 0 | 0/3 | p37 |
| 2026-10-18 | 17 | 0 | 0/3 | p55 |
| 2026-10-17 | 17 | 0 | 0/3 | p48 |
| 2026-10-16 | 17 | 0 | 1/3 | p63 |
| 2026-10-15 | 17 | 0 | 1/3 | p75 |
| 2026-10-14 | 17 | 0 | 0/3 | p83 |
| 2026-10-13 | 17 | 0 | 0/3 | p84 |
| 2026-10-12 | 17 | 0 | 0/3 | p85 |
| 2026-10-11 | 17 | 0 | 1/3 | p54 |
| 2026-10-10 | 17 | 0 | 1/3 | p50 |
| 2026-10-09 | 17 | 0 | 1/3 | p49 |
| 2026-10-08 | 17 | 0 | 1/3 | p48 |
| 2026-10-07 | 17 | 0 | 1/3 | p49 |
Top water assets
- 66Union Lake Damreservoir
- 66Munson Damreservoir
- 65Still Runriver
- 65Arrowhead Lake Pond Damreservoir
- 65Salem River At Woodstown Njriver
- 65Ogdens Creekriver
- 65Silver Lake Damreservoir
- 65Cohansey River At Seeley Njriver
- 65Alloway Creekriver
- 65Centerton Lake Damreservoir