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MERMET STATE LAKE


Lake Information

County: Massac

Acreage: 450

Average Depth: 200.13 feet

Shoreline Length: 3.5 miles

Recreational Amenities

Boat Fishing? Unrestricted

Boat Ramps? Yes

Boat Rental? Yes

Skiing? No

Swimming? No

Picnicking? Yes

Camping? No


Maps are not intended for navigation.


There are no zebra mussels in this lake.


Fish Stocking

Year

Species

Size

Count

2018

Channel Catfish

Advanced Fingerling 4 - 7"

10017

2018

Largemouth Bass

Advanced Fingerling 4 - 7"

10042

2019

Channel Catfish

Advanced Fingerling 4 - 7"

7005

2019

Channel Catfish

Non-vulnerable 8 - 10"

3002

2020

Channel Catfish

Advanced Fingerling 4 - 7"

10000

2020

Largemouth Bass

Fingerling 1 - 3"

10000


Additional information for stocking on MERMET STATE LAKE


Fishing Outlook  ( Full PDF Report )

Click here for a list of all reports.

Species

Rank

Fish Status

BLUEGILL

Excellent

Bluegill were nearly 4 times more abundant in 2019 than in the previous year at 237 per hour of electrofishing, 11% were larger than 6 inches (under the management goal), with 4 percent of the sampled population exceeding 7 inches. Bluegill body condition was still excellent.

CHANNEL CATFISH

Average

Channel catfish are generally not a large component of the annual Mermet Lake electrofishing sample, and 2019 followed this trend. No fish were sampled. Annual channel catfish stockings help support a fishery which is very popular with the angling public. Site regulation: 6 per day creel.

CRAPPIE

Very Good

Small numbers of white and black crappie were sampled in 2019. However, as a note, crappie weighing more than 2 pounds have been fairly regularly reported by Mermet Lake anglers, and sampling techniques will be implemented in the future to more adequately sample them. Site regulation: 25 per day creel.

LARGEMOUTH BASS

Very Good

Largemouth bass were collected at a rate of 87 per hour in fall 2019, up substantially from last year. 62% of these fish were larger than 12 inches, which easily met the management plan goal. Bass larger than the old 14 inch minimum size limit made up 49% of the sample, while 22% exceeded the newly implemented length limit of 16 inches (April 1, 2016). Bass condition remained excellent. Site regulation: 16” minimum length limit, 3 per day creel.

REDEAR SUNFISH

Excellent

Redear abundance was triple the previous year in the 2019 fall sample, with 13 fish per hour collected. Population and condition parameters were well within goals. It is assumed that these fish are not scarce, but their location at the time of sampling does not overlap with sample locations. Future surveys will be implemented to better survey bluegill and redear populations.

Fishing Report

There is no fishing report for this week. View recent reports.

Location: Mermet Lake is a shallow, 452-acre, IDNR-owned impoundment located in Massac County approximately 10 miles north of Metropolis.

Description: Mermet was originally built as a water supply for flooding adjacent wetland compartments for waterfowl hunting, but sport fish flourished when stocked, and the lake has been managed for fishing for approximately 50 years. Curlyleaf pondweed, an exotic aquatic plant, invaded Mermet in 1999, and has caused occasional summer fish kills since then, but annual herbicide treatments have generally been successful at controlling the impacts of this plant in recent years, allowing the sport fish population to slowly recover.

Additional Lake Information: The outboard motor limit is 10 hp, but boats with larger outboards are allowed to operate at no-wake speed. Mermet Lake is closed to fishing during the duck season.

Site Regulations:
Largemouth bass: 16” minimum length limit, 3 per day creel
Black and white crappie: 25 per day creel
Channel catfish: 6 per day creel

Contact Information:
Mermet Site Office
618-524-5577
IDNR Fisheries Biologist, Luke Nelson
618-985-1112

There were 1 tournaments held on this waterbody in 2020.

Species Total Fish Caught
Largemouth Bass 39

Top 5 Largemouth Bass caught on this waterbody in 2020 tournaments:

1     4.60 lbs

Top 5 Bag Weights of Largemouth Bass caught on this waterbody in 2020 tournaments:

1 114.79 lbs
2 0.00 lbs


Multiple day tournaments are listed with * end date.

Interested in participating in one of these public tournaments? Contact us with tournament ID for more information.

2021 Approved or Pending Tournaments
Start Date ID Approval Ramp Location Bank/Boat
Hook/Bow
Max Boats Species Youth? Open to Public?
April-1018226PendingClub Ramp boat
hook
10Largemouth Bass
NoNo
April-1117628PendingClub Ramp boat
hook
20Largemouth Bass
NoNo
May-0818131PendingClub Ramp boat
hook
20Largemouth Bass
NoNo
May-0917699PendingRound Pond Ramp boat
hook
20Largemouth Bass
NoNo