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Lake Petersburg, Illinois

The formal lake dedication ceremony was held on Labor Day, September 2nd, 1963. LAKE PETERSBURG ILLINOIS NEWSLETTER

Lake Statistics: 

  • 1400 Acres Watershed
  • 14 Miles Shoreline
  • 190.7 Acres Under Water
  • 12 Miles Of Roads
  • 24 FT Average Depth
  • 65 FT Depth At Dam
  • Located in Menard County, IL


Lake Petersburg Facebook page:

ontact Info:

Lake Association Office
17754 N Shore Drive
Petersburg, IL 62675



Office Phone #

Lake Ranger
Cell#: 217-801-4641

Lake Patrol #

Sewer Emergency

Summer Office Hours:
(3/1 - 9/30)

  • Monday 1-4 pm
  • Wednesday 12-6 pm
  • Friday 9 am - 2 pm
  • 1st Sat. each month 9 am - Noon

Winter Office Hours:
(10/1 - 2/28)

  • Mondays 1-4 pm
  • Wednesday noon-6 pm
  • 1st Sat. each month 9 am - Noon

Board Meetings:
Second Monday of each month at 7 pm in the Lake Office.

Lake Petersburg Links:

Lake OfficeLake Petersburg, Illinois: a private Menard County lakefront community located just south of Petersburg in Central Illinois.

Lake Petersburg is a private lakefront community located between the city of Petersburg and historic Lincoln's New Sale State Park. At almost 200 acres in size, Lake Petersburg is large enough for excellent boating and fishing, but rural enough to provide a relaxing quality of life to its residents. Numerous beautiful homes line the 14 miles of Lake Petersburg shoreline.

Lake Petersburg lies outside the city limits of Petersburg, and is the largest lake in Menard County. The 18-hole Shambolee golf course is located adjacent to the south-east edge of the Lake Petersburg development. Fishing and boating is restricted to families of lake homeowners and lot owners (along with their guests.) All houses at Lake Petersburg are located on lake front lots. A lake home is a solid investment, so if you are interested in owning a house or building lot on Lake Petersburg, just contact one of the real estate agents listed on the Real Estate in Menard County, IL page, Real Estate Agents.

Lake Petersburg map


Lake Peterburg Newsletter - The Spring 2017 Lake Newsletter is out! VIEW

Information from the Board - For detailed information, contact the Lake Office at 632-7492, or view/download the documents listed below.

Lake Petersburg History

The Lake Petersburg Association, an Illinois not-for-profit corporation, was formed during April, 1960. At this time the final site selection for Lake Petersburg was announced consisting of approximately 1,000 acres. Work on the dam was completed on Monday, August 26, 1963, after moving approximately 900,000 cubic yard of earth. The total cost of the Lake project was more than $424,000.00, all of which was financed without state or federal funding. Lake Petersburg was officially dedicated on Labor Day, September 3, 1963, with ceremonies held on the south of Willow Point.

Latitude and Longitude GPS Coordinates for the Lake Petersburg reservoir are 39.9881, -89.8482 ( the altitude is 581 feet)

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