30th Avenue Ramp
Boat ramp · on Mississippi River · near Clinton · Iowa
Zebra mussels (latest report 2005) reported in Mississippi River 740 m 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
- Managed by
- City
- Coordinates
- 41.87927, -90.17254
Conditions
- Weather forecast for this launch · National Weather Service
- Water level, flow, water temperature at the Mississippi River at Clinton, IA gauge · USGS, 8.0 mi away on Mississippi River
Water level
Latest reading loads here; without it, see the USGS page below.
USGS gauge Mississippi River at Clinton, IA, 8.0 mi from this launch on Mississippi River: water level, flow, water temperature, a reading every 15 minutes. Readings and history at USGS.
On the river
River mile 521.0 on Mississippi River · U.S. Army Corps of Engineers Navigation Mile Markers
Keep well clear of dams: strong currents and restricted zones above and below them.
- Dam, 1.6 mi upstream: Mississippi River Lock & Dam No. 13 (large impoundment), 44 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.
On Mississippi River
River in Iowa. All launches on Mississippi River.
Community
Where people who use Mississippi River talk about it.
Nearby launches
- 25th Avenue Ramp · 0.4 mi · Mississippi River
- Fulton Harbor Boat Launch · 1.4 mi
- Lock and Dam 13 Boat Launch · 1.7 mi · Lock Canal No. 13
- 9th Avenue Ramp · 1.9 mi · Mississippi River
- Cattail Slough Recreation Area Boat Launch · 3.2 mi · Mississippi River
- 15th Avenue Ramp · 3.5 mi · Mississippi River
Sources
- Iowa DNR Water Accesses record 97c655f4-3d3c-449b-8c3c-05329a0dfc52 · Public data (Iowa DNR), no terms stated; credit the Iowa Department of Natural Resources
- US Fish and Wildlife Service facility property (boat launches) record bca579f3-2015-4323-b076-da36e552a47e · US federal government data, public domain (FWS no-liability disclaimer)
- OpenStreetMap n159433512 © 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). Something wrong, or is this launch private? Send a correction; it goes to a person.