Little Mahoning Creek at McCormick, PA

Little Mahoning Creek PA USGS

Little Mahoning Creek at McCormick, PA (03034500) is a real-time streamflow monitoring station on the Little Mahoning Creek in PA, operated by the U.S. Geological Survey. Riverbot tracks its streamflow and alerts anglers the moment flow and temperature hit their fishing window. 22 fish species are associated with this station in public fish records.

USGS site number
03034500
Operated by
U.S. Geological Survey
State
PA
Coordinates
40.8362, -79.1100

Live conditions & history

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7-day weather

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Fishing regulations

PA state-wide default default

Default area rules for fish in the public records above. A grey row means the release has no canonical regulation match for that species.

PA state-wide default default only. Water-specific, national-park, sanctuary, licence, and in-season exceptions may apply.
General area restrictions

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 Pennsylvania Fishing Summary before fishing.

Fish recorded near this station

Community observations nearby

Little Mahoning Creek At Mccormick, Pa has 22 fish species documented via iNaturalist research-grade observations within 10 km. These community-sourced records indicate fish presence in the vicinity.

Species include: White Sucker (Catostomus commersonii), Redside Dace (Clinostomus elongatus), European Carp (Cyprinus carpio), Greenside Darter (Etheostoma blennioides), Rainbow Darter (Etheostoma caeruleum), and 17 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
22 species
from 47 individual records
Observed
May 19, 2019 – Oct 13, 2025
47 dated records

Sources

🪰 Hatch Calendar

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A month-by-month hatch calendar for this river — which insects are emerging now, hook sizes, and patterns to fish — collected from fly shops and guides who know it.

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