Hackensack-Passaic HUC8 02030103
A 2,937 km² sub-basin of the Mid-Atlantic region in NJ, 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
82
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 42 reporting
Median flow
198%
p67 of record
Water assets
6,395
12 springs · 2,335 wells
USGS gauges (46)
- Pequannock River at Oak Ridge NJ0138221026 cfsp33 · normal
- Pascack Brook at Westwood NJ0137750027 cfsp43 · normal
- Wanaque River at Wanaque NJ0138700018 cfsp46 · normal
- Canoe Brook near Summit NJ013795303 cfsp51 · normal
- Pascack Brook at Park Ridge NJ013773708 cfsp51 · normal
- Saddle River at Upper Saddle River NJ013904508 cfsp57 · normal
- Green Pond Bk blw Picatinny Lk at Picatinny Ars NJ013797805 cfsp57 · normal
- Whippany River near Pine Brook NJ0138180084 cfsp58 · normal
- Ringwood Creek near Wanaque NJ013845009 cfsp59 · normal
- Peckman River at Little Falls NJ0138955010 cfsp59 · normal
- Whippany River near Morristown NJ0138140013 cfsp60 · normal
- Hackensack River at Rivervale NJ0137700055 cfsp62 · normal
- Hohokus Brook at Ho-Ho-Kus NJ0139100025 cfsp62 · normal
- Ramapo River at West Oakland Avenue at Oakland NJ01387905131 cfsp62 · normal
- West Brook near Wanaque NJ0138600012 cfsp63 · normal
- Mahwah River near Suffern NY0138745011 cfsp63 · normal
- Hackensack River at New Milford NJ0137850012 cfsp64 · normal
- Green Pond Brook at Picatinny Arsenal NJ013797735 cfsp64 · normal
- Rockaway River at Main Street at Boonton NJ01380450115 cfsp65 · normal
- Rockaway River at Warren Street at Dover NJ0137984548 cfsp65 · normal
- Whippany River at Morristown NJ0138150032 cfsp66 · normal
- Ramapo River near Mahwah NJ01387500113 cfsp67 · normal
- Second River at Belleville NJ013925008 cfsp67 · normal
- RAMAPO RIVER AT SUFFERN NY0138742097 cfsp67 · normal
- HACKENSACK RIVER AT WEST NYACK NY0137680030 cfsp70 · normal
- Saddle River at Ridgewood NJ0139050019 cfsp71 · normal
- RAMAPO RIVER AT RAMAPO NY01387400105 cfsp73 · normal
- Ramapo River at Pompton Lakes NJ01388000173 cfsp77 · above normal
- Pompton River at Pompton Plains NJ01388500279 cfsp77 · above normal
- Passaic River near Millington NJ0137900058 cfsp78 · above normal
- Pequannock River at Riverdale NJ0138280069 cfsp79 · above normal
- Saddle River at Lodi NJ0139150085 cfsp79 · above normal
- Wanaque River at Awosting NJ0138350043 cfsp79 · above normal
- Passaic River at Pine Brook NJ01381900531 cfsp82 · above normal
- Saddle River below Hohokus Brook at Paramus NJ0139110278 cfsp82 · above normal
- Passaic River at Little Falls NJ01389500930 cfsp84 · above normal
- Passaic River near Chatham NJ01379500147 cfsp84 · above normal
- Rockaway River below Reservoir at Boonton NJ0138100055 cfsp85 · above normal
- Passaic River at Dundee Dam at Clifton NJ01389890979 cfsp86 · above normal
- Passaic River at I-80 at Singac NJ01389010981 cfsp89 · above normal
- Pequannock River at Green Pond Junction NJ0138238556 cfsp93 · much above normal
- Pequannock River at Macopin Intake Dam NJ0138250054 cfsp93 · much above normal
- Rockaway River at Berkshire Valley NJ0137970021 cfsno long-term record
- Beaver Brook at Rockaway NJ0138010022 cfsno long-term record
- Wanaque River at Monks NJ0138400025 cfsno long-term record
- RAMAPO R AT MARY H HARRIMAN MEM PK AT HARRIMAN NY013870958 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 0 | 0 | 0/42 | p67 |
| 2026-10-19 | 0 | 0 | 0/42 | p75 |
| 2026-10-18 | 0 | 0 | 0/42 | p79 |
| 2026-10-17 | 0 | 0 | 0/42 | p81 |
| 2026-10-16 | 0 | 0 | 0/42 | p77 |
| 2026-10-15 | 0 | 0 | 0/42 | p83 |
| 2026-10-14 | 0 | 0 | 0/42 | p85 |
| 2026-10-13 | 0 | 0 | 0/42 | p91 |
| 2026-10-12 | 0 | 0 | 0/42 | p94 |
| 2026-10-11 | 0 | 0 | 2/42 | p54 |
| 2026-10-10 | 0 | 0 | 1/42 | p55 |
| 2026-10-09 | 0 | 0 | 0/42 | p56 |
| 2026-10-08 | 0 | 0 | 1/42 | p59 |
| 2026-10-07 | 0 | 0 | 0/42 | p60 |
Top water assets
- 67Boonton Damreservoir
- 67Monksville Damreservoir
- 66Point View Damreservoir
- 66Mt. Kemble Lake Damreservoir
- 66Clyde Potts Reservoir Damreservoir
- 66Echo Lake Intake Damreservoir
- 66Macopin Reservoir Damreservoir
- 66Lake Tappan Damreservoir
- 66Oak Ridge Reservoir Damreservoir
- 66Woodcliff Lake Damreservoir