“Glacial stone”…
312 IAC 11-2-11 "Glacial stone" means a rounded stone that satisfies each of the following:
(1) Was produced by glacial activity.
(2) No individual stone weighs more than 120 pounds.
(3) At least 90% of the material passes through a 12-inch sieve.
(4) Not more than 10% of the material passes through a 6-inch sieve.

Seawall Requirements
312 IAC 11-4-2: A written license under IC 14-26-2 and this rule is required for the construction or placement of a seawall within or along the shoreline or water line of a public freshwater lake.

(b) If a new seawall is to be placed in a significant wetland or along a natural shoreline, the seawall must be comprised of bioengineered materials.

(c) If a new seawall is to be placed in an area of special concern, the seawall must be comprised of either or both of the following:
(1) Bioengineered materials.
(2) Glacial stone.

(d) If a new seawall is to be placed in a developed area, the seawall must be comprised of one or any combination of the following:
(1) Bioengineered material.
(2) Glacial stone.
(3) Riprap.
(4) Concrete.
(5) Steel sheet piling.

(e) For a new seawall comprised of glacial stone or riprap, the base of the wall must not extend more than 4 feet lakeward of the shoreline or water line.

(f) The lakeward face of the new seawall must be located along the public freshwater lake's shoreline or water line as determined by the department.

(g) The lakeward extent of bioengineered material must be coordinated with the department before filing the license application.

(h) The director or a delegate may not issue a license for the placement of an impermeable material behind or beneath a new seawall.

(i) Filter cloth placed behind or beneath a new seawall must be properly anchored to prevent displacement or flotation.

(j) Erosion from disturbed areas landward of the shoreline or water line must be controlled to prevent its transport into the lake.


Got questions?
Who to contact…(click name to email)

Joe Mapes
Division of Water
Lake Inspector
1-260-244-6805 ext: 240

Nate Thomas
Division of Fish and Wildlife
Compliance Biologist
1-260-244-6805

Angela Sturdevant
Lake and River Enhancement Program
1-317-234-4906

Jed Pearson
Division of Fish and Wildlife
Fisheries Biologist
1-260-244-6805

Ed Sprague
Indiana Lake Management Society
Skinner Lake Homeowners Association

Division of Water
Website\ www.in.gov/dnr/water/
1-317-232-4160