East Branch Rahway River at Maplewood NJ

East Branch Rahway River NJ USGS

East Branch Rahway River at Maplewood NJ (01393890) is a real-time river monitoring station on the East Branch Rahway River in NJ, operated by the U.S. Geological Survey. Riverbot tracks its river conditions, including water level and keeps recent, datum-labelled water-level history for anglers. 40 fish species are associated with this station in public fish records.

USGS site number
01393890
Operated by
U.S. Geological Survey
State
NJ
Coordinates
40.7347, -74.2706

Live conditions & history

Create a free account to see live river conditions and recent history for this station

Riverbot records this gauge’s datum-labelled water level. Sign up free to unlock the live chart and explore recent conditions.

Create a free account Log in

7-day weather

Create a free account to see the 7-day weather forecast for this station

Wind, rain, and sky conditions for the week ahead at this gauge's coordinates — sign up free to plan your next trip around it.

Create a free account Log in

Fish recorded near this station

Community observations nearby

East Branch Rahway River At Maplewood Nj has 40 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), American Eel (Anguilla rostrata), White Sucker (Catostomus commersonii), European Carp (Cyprinus carpio), and 35 others.

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
40 species
from 200 individual records
Observed
May 15, 2024 – Aug 9, 2026
200 dated records

Sources