Guilford Lake (OH): Motor and Boating Rules
Columbiana County · near Lisbon · managed by Ohio Department of Natural Resources, Division of Parks and Watercraft
- Gas outboard YES
- Electric trolling YES
- PWC / jet ski NO
- Columbiana County, OH
- 396 acres
- 10 hp cap
- Ohio Department of Natural Resources, Division of Parks and Watercraft
Quick answer
Check your motor plate before hauling to Guilford Lake: the limit is 10 hp. Guilford Lake in OH is limited to outboard motors of 10 horsepower or less under Ohio Department of Natural Resources, Division of Parks and Watercraft regulations (verified July 14, 2026). Outboards rated above the cap are out. Electric trolling motors fit comfortably. Rules change and local ordinances may add restrictions — always confirm with Ohio Department of Natural Resources, Division of Parks and Watercraft before you launch.
Rules at a glance
Plate rating counts — motors rated above 10 hp are over the cap even at idle.
What this means in practice
Why 9.9 hp motors exist: manufacturers build them precisely for lakes like Guilford Lake, where a 10 hp cap is the line. If your plate is worn or missing, carry documentation — enforcement reads the rating, not your word for it.
The cap is about the motor, not your speed, on most waters: a 40 hp outboard at idle is still a 40 hp outboard. If you want to run a bigger-engined boat on restricted water in Ohio, ask Ohio Department of Natural Resources, Division of Parks and Watercraft how the rule is enforced before you tow out.
Planning options around Ohio? The neighboring pages in our database cover Findley Lake (Electric only, Lorain County) and Harrison Lake (No wake, Fulton County), and the state hub lists all verified Ohio lake motor rules with the official source behind each.
Common mistakes on HP limit water
Rounding 9.9 up. A 9.9 hp motor is legal under a 10 hp cap — that is why it exists. Don't let a worn plate turn a legal motor into an argument; carry the manual or a photo.
Bringing the PWC. No production jet ski runs under a low horsepower cap, so the 10 hp limit on Guilford Lake excludes them by arithmetic, no explicit ban needed.
Before you launch — verify
- The live rulebook is here: Ohio Department of Natural Resources, Division of Parks and Watercraft
- For edge cases — mounted-but-unused motors, tournaments, temporary orders — phone the Ohio Department of Natural Resources, Division of Parks and Watercraft office covering Columbiana County.
- Our most recent source check for this page: .
Rules change and local ordinances may add restrictions — always confirm with Ohio Department of Natural Resources, Division of Parks and Watercraft before you launch.
Frequently asked questions
Are gas motors allowed on Guilford Lake?
Gas is fine here as long as the motor's plate reads 10 hp or less. Anything rated higher is outside the rule on Guilford Lake. Verified July 14, 2026.
Can I use an electric trolling motor on Guilford Lake?
You can. Electric propulsion is permitted on Guilford 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 Guilford Lake?
Jet skis are out on Guilford Lake. No production PWC comes in under the 10 hp limit.
Who enforces boating rules on Guilford Lake?
Ohio Department of Natural Resources, Division of Parks and Watercraft (state department of natural resources) sets and enforces the motor rules on Guilford Lake, with possible additional ordinances from Columbiana County or local municipalities. State boating officers and local law enforcement both patrol restricted waters.
Where do I verify the current rules for Guilford Lake?
Use the official document linked in the Sources section of this page — it is what this summary is based on — or go to Ohio Department of Natural Resources, Division of Parks and Watercraft directly. We last verified this page against the source on July 14, 2026.