MERRIMACK RIVER AT LAWRENCE, MA

MERRIMACK RIVER MA USGS

MERRIMACK RIVER AT LAWRENCE, MA (01100500) is a real-time river monitoring station on the MERRIMACK RIVER in MA, 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. 26 fish species are associated with this station in public fish records.

USGS site number
01100500
Operated by
U.S. Geological Survey
State
MA
Coordinates
42.7048, -71.1531

Live conditions & history

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Fish recorded near this station

Community observations nearby

Merrimack River At Lawrence, Ma has 26 fish species documented via iNaturalist research-grade observations within 10 km. These community-sourced records indicate fish presence in the vicinity.

Species include: Alewife (Alosa pseudoharengus), American Shad (Alosa sapidissima), White Catfish (Ameiurus catus), Yellow Bullhead (Ameiurus natalis), Brown Bullhead (Ameiurus nebulosus), and 21 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
26 species
from 71 individual records
Observed
Jul 24, 2014 – Jul 28, 2026
71 dated records

Sources