Summit Lake (IN): Motor and Boating Rules
Henry County · near New Castle · managed by Indiana Department of Natural Resources
- Gas outboard YES
- Electric trolling YES
- PWC / jet ski VERIFY
- Henry County, IN
- 835 acres
- Indiana Department of Natural Resources
Quick answer
Bring the boat to Summit Lake, but plan on idle speed everywhere. The lake-wide slow-no-wake rule turns it into fishing and cruising water. Summit Lake in IN is open to motorboats at slow-no-wake speed only, across the entire lake under Indiana Department of Natural Resources regulations (verified July 26, 2026). Crossing takes longer than the map suggests. Rules change and local ordinances may add restrictions — always confirm with Indiana Department of Natural Resources before you launch.
Rules at a glance
What this means in practice
Watch your trim and your stern: the violation officers cite is the wake, not the number on your GPS. A heavy hull plowing at 4 mph throws exactly the wave the rule bans. Level boat, bow down, ripple behind you — that is the picture to keep on Summit Lake.
All-lake no-wake rules usually protect eroding shorelines, crowded small water, or managed fisheries. Seasonal high-water emergency no-wake orders exist too in Indiana, and they never appear in the base regulation — one more reason to check with Indiana Department of Natural Resources the week you go.
Worth knowing about Summit Lake: 835-acre reservoir at Summit Lake State Park. Under 312 IAC 5-10-11 a person on Summit Lake must not operate a boat in excess of idle speed anywhere on the lake; boats are also excluded from the beach embayment, within 200 feet of the dam embankment and spillway, and east of County Road 500E. The DNR park page likewise lists boating as idle speed only..
Planning options around Indiana? The neighboring pages in our database cover Strahl Lake (Electric only, Brown County) and Whitewater Lake (Electric only, Union County), and the state hub lists all verified Indiana lake motor rules with the official source behind each.
Common mistakes on No wake water
Planning a ski day. The whole surface of Summit Lake is idle-speed water — towing sports need a different lake, full stop.
Budgeting travel time from the acreage. At idle, every crossing takes several times longer than it looks. Launch close to where you plan to fish.
Before you launch — verify
- The live rulebook is here: Indiana Department of Natural Resources
- For edge cases — mounted-but-unused motors, tournaments, temporary orders — phone the Indiana Department of Natural Resources office covering Henry County.
- Our most recent source check for this page: .
Rules change and local ordinances may add restrictions — always confirm with Indiana Department of Natural Resources before you launch.
Frequently asked questions
Are gas motors allowed on Summit Lake?
Gas motors are legal on Summit Lake. The catch is speed: the whole lake is slow-no-wake, so you will be running at idle. Verified July 26, 2026.
Can I use an electric trolling motor on Summit Lake?
You can. Electric propulsion is permitted on Summit Lake; most boats here run a 12 V transom-mount trolling motor. Pack a paddle as backup for when the battery fades.
Are jet skis (PWC) allowed on Summit Lake?
The official source we cite does not state a clear PWC rule for Summit Lake. Confirm with Indiana Department of Natural Resources before bringing a jet ski.
Who enforces boating rules on Summit Lake?
Indiana Department of Natural Resources (state department of natural resources) sets and enforces the motor rules on Summit Lake, with possible additional ordinances from Henry County or local municipalities. State boating officers and local law enforcement both patrol restricted waters.
Where do I verify the current rules for Summit Lake?
Use the official document linked in the Sources section of this page — it is what this summary is based on — or go to Indiana Department of Natural Resources directly. We last verified this page against the source on July 26, 2026.