Thornicroft Drain at Hamlyn St

ON CWDV

Thornicroft Drain at Hamlyn St (UT-0419-01) is a real-time river monitoring station in ON, operated by the Western Ontario Data Hub. Riverbot tracks its river conditions, including water level, and streamflow and keeps recent, datum-labelled water-level history for anglers. 43 fish species are associated with this station in public fish records.

CWDV station ID
UT-0419-01
Operated by
Western Ontario Data Hub
Province
ON
Coordinates
42.9142, -81.2817

Live conditions & history

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Fishing regulations

FMZ 16 zone 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.

FMZ 16 zone default only. Water-specific, national-park, sanctuary, licence, and in-season exceptions may apply.
General area restrictions

  • Period not confirmed

    Sport licence catch-and-possession limit
    5
    Conservation licence catch-and-possession limit
    2
    Limit details
    total daily catch possession limit for all trout salmon species combined

    Official rule

Effective Jan 1, 2026 – Sep 14, 2027 · evaluated for 2026-09-13 in America/Toronto

Regulations shown are for reference only and may not reflect in-season changes. Always verify current regulations with the Ontario Fishing Regulations Summary before fishing.

Fish recorded near this station

Community observations nearby

Thornicroft Drain At Hamlyn St has 43 fish species documented via iNaturalist research-grade observations within 10 km. These community-sourced records indicate fish presence in the vicinity.

Species include: Rock Bass (Ambloplites rupestris), Freshwater Drum (Aplodinotus grunniens), Goldfish (Carassius auratus), Quillback (Carpiodes cyprinus), White Sucker (Catostomus commersonii), and 38 others.

Where these records come from

Evidence
Community observations nearby
Research-grade community observations (iNaturalist) recorded near this station, not a formal survey.
Records
43 species
from 200 individual records
Observed
Jul 20, 2024 – Aug 13, 2026
200 dated records

Sources