Mud Lake Park
Boat ramp · on Mississippi River · near Dubuque · Iowa
Zebra mussels (latest report 2005) reported in Mississippi River 1.2 km from this launch (USGS Nonindigenous Aquatic Species database). Clean, drain and dry your boat, trailer and gear before you leave, and do not move water, plants or live bait to another water.
USGS Nonindigenous Aquatic Species database · checked October 18, 2026
Status not reported No closure has been posted for this launch, but its agency does not publish open or closed status. Check with the managing agency before you tow.
At the launch
- Type
- Boat ramp
- Ramp surface
- Concrete
- Restrooms
- Flush toilet
- Managed by
- Dubuque County Conservation Board
- Coordinates
- 42.61889, -90.70272
Channel depths in feet from the Army Corps' surveys (Rock Island District; the one nearest this launch is of September 28, 2026). Not for navigation.
Conditions
- Weather forecast for this launch · National Weather Service
On the river
River mile 589.5 on Mississippi River · U.S. Army Corps of Engineers Navigation Mile Markers, placed between its mile markers
Keep well clear of dams: strong currents and restricted zones above and below them.
- Dam, 6.5 mi downstream: MISSISSIPPI RIVER LOCK & DAM NO. 11 (large impoundment), 43 ft. · Iowa DNR River Programs dam hazards
Up to 10 river miles each way, from the agencies' inventories; not every hazard is listed and rivers change. Scout before you go.
Sources: U.S. Army Corps of Engineers Navigation Mile Markers, Iowa DNR River Programs dam hazards.
Channel survey
The Army Corps surveys the channels it maintains and posts every survey.
- Upper Mississippi River Pool 11 · 0.1 mi from this launch
Condition survey of September 28, 2026 by the Rock Island District. Soundings on the sheet from 5.4 to 36.2 ft below the pool's low control level; the Corps maintains a 9 ft channel here. Survey sheet (PDF)
US Army Corps of Engineers hydrographic surveys, from eHydro. A survey shows the bottom on the day it was made; channels shoal after high water and change with dredging. Not for navigation.
On Mississippi River
River in Iowa. All launches on Mississippi River.
Community
Where people who use Mississippi River talk about it.
Nearby launches
- Mud Lake Boat Launch · 0.1 mi
- Grant River Recreation Area Launch · 2.2 mi · Mississippi River
- Banfield Bridge Access · 2.7 mi · Little Platte River
- Potosi Public Access Boat Launch · 3.2 mi · Potosi Canal
- John Deere Marsh · 3.5 mi · Mississippi River
- Durango · 5.5 mi · Little Maquoketa River
Sources
- Iowa DNR Water Accesses record 2d4d563d-9304-4526-964b-1cf5ebeff111 · Public data (Iowa DNR), no terms stated; credit the Iowa Department of Natural Resources
- US Fish and Wildlife Service facility property (boat launches) record 38ae55eb-4462-4fbb-95d8-dc4596157511 · US federal government data, public domain (FWS no-liability disclaimer)
- Iowa DNR Boat Ramps (Recreation MapServer, lakes and state parks) record -90.70458,42.61970 · Public data (Iowa DNR), no terms stated; credit the Iowa Department of Natural Resources
- OpenStreetMap n4414679339 © OpenStreetMap contributors, ODbL
Why it is listed as public: listed by Iowa DNR Water Accesses and US Fish and Wildlife Service facility property (boat launches) and Iowa DNR Boat Ramps (Recreation MapServer, lakes and state parks) (Iowa DNR Boat Ramps (Recreation MapServer, lakes and state parks) says commercial; the state agency's listing decides). Something wrong, or is this launch private? Send a correction; it goes to a person.