Nebraska / Swanson Reservoir /

Macklin Bay

Boat ramp · on Swanson Reservoir · near Trenton · Nebraska

Past algal blooms

Harmful algal blooms reported on this water (state reports compiled by U.S. EPA): 2023.

state reports compiled by U.S. EPA · checked October 18, 2026

Open per Nebraska Game and Parks Commission Boat Ramps's data, checked October 18, 2026. Seasonal gates, low water and storms are not always posted; check before you tow.

At the launch

Type
Boat ramp
Ramp lanes
1
Docks
1
Ramp surface
Concrete
Trailer parking
20 spaces
Car parking
1 space
Restrooms
Yes
Wheelchair access
No
Managed by
Nebraska Game and Parks Commission
Coordinates
40.17515, -101.10253

Directions (Google) Apple Maps

Depth contours in feet from Nebraska Game and Parks (fieldwork 2001). Not for navigation.

Conditions

Lake level: Swanson Reservoir

Today's level loads here; without it, see the agency's page below.

Full pool is 2,752.0 ft (USACE, Top of Conservation).

Level from U.S. Army Corps of Engineers, Corps Water Management System (Trenton Dam (Swanson Lake)), about hourly; the agency's page. Levels change; check conditions at the ramp before you launch.

On Swanson Reservoir

Reservoir in Nebraska. All launches on Swanson Reservoir.

Community

Where people who use Swanson Reservoir talk about it.

Nearby launches

Sources

Why it is listed as public: listed by Nebraska Game and Parks Commission Boat Ramps. Something wrong, or is this launch private? Send a correction; it goes to a person.