Otter Lake
Macoupin County, Illinois

This water supply lake was built in 1968 by damming the west fork of Otter Creek. A sediment basin was created in the upper end of the lake in 2004 to improve water quality of the main lake. The lake is managed by the Otter Lake Water Commission. Most banks are steep-sided, and many are lined with riprap. The boat ramp is located at mid-lake, on the north side of Emmerson Airline Road, and the park office/bait shop is on the south side of the road. Boat permits are required and may be purchased at the office/bait shop. Otter Lake has a 115 hp motor size limit. The lake is 765 acres, has a shoreline length of 39 miles, a watershed size of 12,985 acres, a maximum depth of 51 feet, and an average depth of 20 feet.
Otter Lake has a 115 hp motor size limit. There is a single boat ramp at mid-lake on the north side of Palmyra blacktop. The site has a concession stand/bait shop, campground, and picnic areas. All live bait in excess of 8" must be rigged with a quick set rig. 2 pole and line fishing only.
Site Regulations:
Largemouth or Smallmouth Bass: 15" minimum length limit, 3 fish daily creel limit
Channel Catfish: 6 fish daily creel limit
Striped, White, or Hybrid Striped Bass: 3 fish 17” or longer; 10 fish daily creel limit
Muskie: 48” minimum length limit; 1 fish daily creel limit
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We want to see what you've caught on Otter Lake.Frequently Asked Questions About Otter Lake, IL
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How big is Otter Lake?
How deep is Otter Lake?
What kind of fish can you catch in Otter Lake?
What are the closest cities to Otter Lake?
Are there places to stay in the Otter Lake area?
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Are there topographical lake maps available Otter Lake?
Are there places to eat and drink near Otter Lake?
What is the fishing outlook for Otter Lake?
Explore the Otter Lake area in a RV
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History & Status of the Fishery
Controling Authority
217-965-1566
IDNR Fisheries Biologist, Eric Ratcliff
618-931-4217
What is the average air temp for Otter Lake?
Are there any state parks near Otter Lake?
For more Illinois State Park information see our State Park Guide.
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More Nearby Lakes To Explore
There's more lake's to explore around Otter Lake...| DISTANCE | ACRES | MAX DEPTH | |
| Carlinville Lake #1 | 11.9 mi | 155 | 19 ft |
| Beaver Dam Lake | 14.1 mi | 57 | 10 ft |
| Waverly Lake | 14.4 mi | 112 | |
| Bullard Lake | 14.6 mi | 44 | |
| Greenfield City Lake | 16.2 mi | 59 | |
| Gillespie New City Lake | 18.1 mi | 196 | 30 ft |
| Gillespie Old City Lake | 18.6 mi | 71 | 21 ft |



