Mill Creek

Name: Mill Creek river-condition readings
Creator: Grand River Conservation Authority

MILL CREEK ON GRCA

Mill Creek (151) is a real-time river monitoring station on the MILL CREEK in ON, operated by the Grand River Conservation Authority. Riverbot tracks its river conditions, including water level, and streamflow and keeps recent, datum-labelled water-level history for anglers. 38 fish species are associated with this station in public fish records.

GRCA station ID: 151
Operated by: Grand River Conservation Authority
Province: ON
Coordinates: 43.4131, -80.2269

Live conditions & history

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Fishing regulations

FMZ 16 zone default

Species regulated in this area

These are species and groups covered by the applicable area rules, not a claim that they occur at this station.

Default rules for this area. A grey row means the current season status is not confirmed by this release.

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

Channel catfish Open · Harvest allowed within limits Open all year Details Close
- Open all year
  
  Sport licence catch-and-possession limit
  12
  
  Conservation licence catch-and-possession limit
  6
  
  Official rule · retrieved Jul 25, 2026
Crappie Open · Harvest allowed within limits Open all year Details Close
- Open all year
  
  Sport licence catch-and-possession limit
  30
  
  Conservation licence catch-and-possession limit
  10
  
  Official rule · retrieved Jul 25, 2026
Lake whitefish Open · Harvest allowed within limits Open all year Details Close
- Open all year
  
  Sport licence catch-and-possession limit
  12
  
  Conservation licence catch-and-possession limit
  6
  
  Official rule · retrieved Jul 25, 2026
Largemouth and smallmouth bass combined Open · Harvest allowed within limits Jun 27 – Nov 30 Details Close
- Jun 27 – Nov 30
  
  Sport licence catch-and-possession limit
  6
  
  Conservation licence catch-and-possession limit
  2
  
  Official rule · retrieved Jul 25, 2026
Muskellunge Open · Harvest allowed within limits Jun 6 – Dec 15 Details Close
- Jun 6 – Dec 15
  
  Sport licence catch-and-possession limit
  1
  
  Size rule
  must be greater than 91 centimetres
  
  Official rule · retrieved Jul 25, 2026
Northern pike Open · Harvest allowed within limits Jan 1 – Mar 31; May 9 – Dec 31 Details Close
- May 9 – Dec 31
  
  Sport licence catch-and-possession limit
  6
  
  Conservation licence catch-and-possession limit
  2
  
  Official rule · retrieved Jul 25, 2026
Splake Open · Harvest allowed within limits Open all year Details Close
- Open all year
  
  Sport licence catch-and-possession limit
  5
  
  Conservation licence catch-and-possession limit
  2
  
  Official rule · retrieved Jul 25, 2026
Sunfish Open · Harvest allowed within limits Open all year Details Close
- Open all year
  
  Sport licence catch-and-possession limit
  50
  
  Conservation licence catch-and-possession limit
  25
  
  Official rule · retrieved Jul 25, 2026
Walleye and sauger combined Open · Harvest allowed within limits May 9 – Dec 31; Jan 1 – Mar 15 Details Close
- May 9 – Dec 31
  
  Sport licence catch-and-possession limit
  4
  
  Conservation licence catch-and-possession limit
  2
  
  Size rule
  not more than 1 greater than 46 centimetres
  
  Official rule · retrieved Jul 25, 2026
Yellow perch Open · Harvest allowed within limits Open all year Details Close
- Open all year
  
  Sport licence catch-and-possession limit
  50
  
  Conservation licence catch-and-possession limit
  25
  
  Official rule · retrieved Jul 25, 2026
Atlantic salmon Closed Apr 25 – Sep 30 Details Close
- Apr 25 – Sep 30
  
  Official rule · retrieved Jul 25, 2026
Brook trout Closed Apr 25 – Sep 30 Details Close
- Apr 25 – Sep 30
  
  Sport licence catch-and-possession limit
  5
  
  Conservation licence catch-and-possession limit
  2
  
  Official rule · retrieved Jul 25, 2026
Brown trout Closed Apr 25 – Sep 30 Details Close
- Apr 25 – Sep 30
  
  Sport licence catch-and-possession limit
  5
  
  Conservation licence catch-and-possession limit
  2
  
  Official rule · retrieved Jul 25, 2026
Lake sturgeon Closed Closed all year Details Close
- Closed all year
  
  Official rule · retrieved Jul 25, 2026
Lake trout Closed Jan 1 – Sep 30 Details Close
- Jan 1 – Sep 30
  
  Sport licence catch-and-possession limit
  2
  
  Conservation licence catch-and-possession limit
  1
  
  Official rule · retrieved Jul 25, 2026
Pacific salmon Closed Apr 25 – Sep 30 Details Close
- Apr 25 – Sep 30
  
  Sport licence catch-and-possession limit
  5
  
  Conservation licence catch-and-possession limit
  2
  
  Official rule · retrieved Jul 25, 2026
Rainbow trout Closed Apr 25 – Sep 30 Details Close
- Apr 25 – Sep 30
  
  Sport licence catch-and-possession limit
  2
  
  Conservation licence catch-and-possession limit
  1
  
  Official rule · retrieved Jul 25, 2026

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 2026-10-28 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

Mill Creek has 38 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), Brown Bullhead (Ameiurus nebulosus), Goldfish (Carassius auratus), White Sucker (Catostomus commersonii), Northern Redbelly Dace (Chrosomus eos), and 33 others.

Rock Bass Ambloplites rupestris
Brown Bullhead Ameiurus nebulosus
Goldfish Carassius auratus
White Sucker Catostomus commersonii
Northern Redbelly Dace Chrosomus eos
Finescale Dace Chrosomus neogaeus
Brook Stickleback Culaea inconstans
European Carp Cyprinus carpio
Northern Pike Esox lucius
Rainbow Darter Etheostoma caeruleum
Northern Hog Sucker Hypentelium nigricans
Common Sunfishes Lepomis
Green Sunfish Lepomis cyanellus
Pumpkinseed Lepomis gibbosus
Pumpkinseed × Green Sunfish Lepomis gibbosus × cyanellus
Pumpkinseed × Bluegill Lepomis gibbosus × macrochirus
Bluegill Lepomis macrochirus
Striped Shiner Luxilus chrysocephalus
Common Shiner Luxilus cornutus
Northern Pearl Dace Margariscus nachtriebi
Smallmouth Bass Micropterus dolomieu
Largemouth Bass Micropterus nigricans
Round Goby Neogobius melanostomus
Hornyhead Chub Nocomis biguttatus
River Chub Nocomis micropogon
Golden Shiner Notemigonus crysoleucas
Blacknose Shiner Notropis heterolepis
Stonecat Noturus flavus
Rainbow Trout Oncorhynchus mykiss
Yellow Perch Perca flavescens
Fathead Minnow Pimephales promelas
Guppy Poecilia reticulata
Black Crappie Pomoxis nigromaculatus
Western Blacknose Dace Rhinichthys obtusus
Brook Trout Salvelinus fontinalis
Walleye Sander vitreus
Creek Chub Semotilus atromaculatus
Central Mudminnow Umbra limi

Where these records come from

Evidence: Community observations nearby; Research-grade community observations (iNaturalist) recorded near this station, not a formal survey.
Records: 38 species; from 200 individual records
Observed: Aug 5, 2024 – Aug 18, 2026; 200 dated records

Sources

iNaturalist research-grade fish observations — 200 records