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 2026-09-01); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
80
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 42 reporting
Median flow
258%
p81 of record
Water assets
6,395
12 springs · 2,335 wells
USGS gauges (46)
- Peckman River at Little Falls NJ013895509 cfsp40 · normal
- Pequannock River at Green Pond Junction NJ013823858 cfsp52 · normal
- Pequannock River at Oak Ridge NJ0138221047 cfsp53 · normal
- Whippany River at Morristown NJ0138150023 cfsp54 · normal
- Canoe Brook near Summit NJ013795303 cfsp57 · normal
- Whippany River near Morristown NJ013814008 cfsp57 · normal
- Pascack Brook at Park Ridge NJ0137737010 cfsp59 · normal
- Hackensack River at Rivervale NJ0137700069 cfsp66 · normal
- Hackensack River at New Milford NJ0137850011 cfsp66 · normal
- Saddle River at Upper Saddle River NJ013904508 cfsp70 · normal
- Ringwood Creek near Wanaque NJ013845009 cfsp72 · normal
- Pascack Brook at Westwood NJ0137750037 cfsp76 · above normal
- Wanaque River at Wanaque NJ0138700020 cfsp76 · above normal
- Saddle River below Hohokus Brook at Paramus NJ0139110253 cfsp77 · above normal
- Second River at Belleville NJ0139250010 cfsp77 · above normal
- Hohokus Brook at Ho-Ho-Kus NJ0139100031 cfsp78 · above normal
- Whippany River near Pine Brook NJ0138180093 cfsp79 · above normal
- HACKENSACK RIVER AT WEST NYACK NY0137680040 cfsp80 · above normal
- Saddle River at Ridgewood NJ0139050019 cfsp80 · above normal
- Saddle River at Lodi NJ0139150083 cfsp80 · above normal
- West Brook near Wanaque NJ013860008 cfsp81 · above normal
- Pequannock River at Riverdale NJ0138280043 cfsp81 · above normal
- Ramapo River at West Oakland Avenue at Oakland NJ01387905131 cfsp81 · above normal
- Wanaque River at Awosting NJ0138350026 cfsp82 · above normal
- Rockaway River at Main Street at Boonton NJ01380450144 cfsp83 · above normal
- Mahwah River near Suffern NY0138745010 cfsp83 · above normal
- Ramapo River near Mahwah NJ01387500109 cfsp84 · above normal
- Ramapo River at Pompton Lakes NJ01388000161 cfsp84 · above normal
- Passaic River at Pine Brook NJ01381900457 cfsp85 · above normal
- Pompton River at Pompton Plains NJ01388500249 cfsp85 · above normal
- Rockaway River at Warren Street at Dover NJ0137984564 cfsp85 · above normal
- Passaic River at Dundee Dam at Clifton NJ01389890908 cfsp85 · above normal
- Green Pond Brook at Picatinny Arsenal NJ0137977310 cfsp86 · above normal
- Passaic River near Millington NJ0137900063 cfsp87 · above normal
- RAMAPO RIVER AT SUFFERN NY0138742076 cfsp87 · above normal
- RAMAPO RIVER AT RAMAPO NY0138740095 cfsp88 · above normal
- Passaic River at I-80 at Singac NJ01389010920 cfsp88 · above normal
- Pequannock River at Macopin Intake Dam NJ0138250017 cfsp88 · above normal
- Passaic River near Chatham NJ01379500108 cfsp88 · above normal
- Passaic River at Little Falls NJ01389500888 cfsp88 · above normal
- Green Pond Bk blw Picatinny Lk at Picatinny Ars NJ0137978013 cfsp90 · much above normal
- Rockaway River below Reservoir at Boonton NJ0138100088 cfsp96 · 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 NY013870959 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 0 | 0 | 0/42 | p81 |
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