Mahwah River near Suffern NY
Mahwah River NY USGS
Mahwah River near Suffern NY (01387450) is a real-time streamflow monitoring station on the Mahwah River in NY, operated by the U.S. Geological Survey. Riverbot tracks its streamflow and alerts anglers the moment flow and temperature hit their fishing window. 27 fish species are associated with this station in public fish records.
- USGS site number
- 01387450
- Operated by
- U.S. Geological Survey
- State
- NY
- Coordinates
- 41.1411, -74.1161
Live conditions & history
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Fishing regulations
NY state-wide default defaultDefault area rules for fish in the public records above. A grey row means the release has no canonical regulation match for that species.
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Yellow Perch Open · Harvest allowed within limits Jan 1 – Dec 31 Details
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Jan 1 – Dec 31
- Daily limit
- 50
- Notes
- Statewide baseline (applies where no special regulation)
Official rule · retrieved Aug 2, 2026
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Amur Carp No season data
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Atlantic Silverside No season data
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Black Crappie No season data
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Bluegill No season data
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Brown Bullhead No season data
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Brown Trout No season data
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Chain Pickerel No season data
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Channel Catfish No season data
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Common Sunfishes No season data
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Creek Chub No season data
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European Carp No season data
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Fallfish No season data
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Golden Shiner No season data
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Green Sunfish No season data
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Greengill Sunfish No season data
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Largemouth Bass No season data
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Northern Tessellated Darter No season data
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Pumpkinseed No season data
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Pumpkinseed × Green Sunfish No season data
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Rainbow Trout No season data
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Redbreast Sunfish No season data
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Redfin Pickerel No season data
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Smallmouth Bass No season data
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Western Mosquitofish No season data
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White Sucker No season data
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Yellow Bullhead No season data
Effective Jan 1, 2026 – Sep 14, 2027 · evaluated for 2026-09-11 in America/New_York
Regulations shown are for reference only and may not reflect in-season changes. Always verify current regulations with the New York Freshwater Fishing Regulations before fishing.
Fish recorded near this station
Community observations nearbyMahwah River near Suffern NY has 27 fish species documented via iNaturalist research-grade observations within 10 km. These community-sourced records indicate fish presence in the vicinity.
Species include: Yellow Bullhead (Ameiurus natalis), Brown Bullhead (Ameiurus nebulosus), White Sucker (Catostomus commersonii), European Carp (Cyprinus carpio), Amur Carp (Cyprinus rubrofuscus), and 22 others.
- Yellow Bullhead Ameiurus natalis
- Brown Bullhead Ameiurus nebulosus
- White Sucker Catostomus commersonii
- European Carp Cyprinus carpio non-native
- Amur Carp Cyprinus rubrofuscus
- Redfin Pickerel Esox americanus americanus
- Chain Pickerel Esox niger
- Northern Tessellated Darter Etheostoma olmstedi
- Western Mosquitofish Gambusia affinis
- Channel Catfish Ictalurus punctatus
- Common Sunfishes Lepomis
- Redbreast Sunfish Lepomis auritus
- Green Sunfish Lepomis cyanellus
- Pumpkinseed Lepomis gibbosus
- Pumpkinseed × Green Sunfish Lepomis gibbosus × cyanellus
- Bluegill Lepomis macrochirus
- Greengill Sunfish Lepomis macrochirus × cyanellus
- Atlantic Silverside Menidia menidia
- Smallmouth Bass Micropterus dolomieu
- Largemouth Bass Micropterus nigricans
- Golden Shiner Notemigonus crysoleucas
- Rainbow Trout Oncorhynchus mykiss
- Yellow Perch Perca flavescens
- Black Crappie Pomoxis nigromaculatus
- Brown Trout Salmo trutta
- Creek Chub Semotilus atromaculatus
- Fallfish Semotilus corporalis
One species above is flagged non-native or potentially invasive (European Carp). Records show what has been observed near this station, not what is native to the watershed.
Where these records come from
- Evidence
- Community observations nearby
- Research-grade community observations (iNaturalist) recorded near this station, not a formal survey.
- Records
- 27 species
- from 88 individual records
- Observed
- Sep 4, 2005 – Jun 16, 2026
- 88 dated records
Sources
- iNaturalist research-grade fish observations — 88 records