Iowa / Maquoketa River /
Delhi Lake
Boat ramp · on Maquoketa River · near Delhi · Iowa
Zebra mussels (latest report 2006) reported in the water at 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
- Car parking
- 10 spaces
- Managed by
- City
- Coordinates
- 42.40669, -91.34497
Conditions
- Weather forecast for this launch · National Weather Service
- Water level, flow at the Maquoketa River at Manchester, IA gauge · USGS, 6.8 mi away on Maquoketa River
Water level
Latest reading loads here; without it, see the USGS page below.
USGS gauge Maquoketa River at Manchester, IA, 6.8 mi from this launch on Maquoketa River: water level, flow, a reading every 15 minutes. Readings and history at USGS.
On the river
River mile 102.9 on Maquoketa River · Iowa DNR River Programs mile markers on paddling routes, placed between its mile markers
Keep well clear of dams: strong currents and restricted zones above and below them.
- Dam, under 0.1 mi downstream: Lake Delhi Dam (large impoundment), 38 ft. Marked portage route: 618 ft, concrete. · Iowa DNR River Programs dam hazards
- Rapids, 9.5 mi downstream: Hopkinton Dam - Side Channel (rock dam), 4 ft. · Iowa DNR River Programs constructed rapids
Up to 10 river miles each way, from the agencies' inventories; not every hazard is listed and rivers change. Scout before you go.
Sources: Iowa DNR River Programs mile markers on paddling routes, Iowa DNR River Programs dam hazards, Iowa DNR River Programs portage routes, Iowa DNR River Programs constructed rapids.
On Maquoketa River
River in Iowa. All launches on Maquoketa River.
Community
Where people who use Maquoketa River talk about it.
Nearby launches
- Delhi Dam South · 0.1 mi · Maquoketa River
- Delhi Dam North · 0.2 mi · Maquoketa River
- Silver Lake Access · 1.6 mi
- Retz Wildlife Access · 1.6 mi · Maquoketa River
- Turtle Creek East · 1.7 mi · Maquoketa River
- Turtle Creek West · 1.7 mi · Maquoketa River
Sources
- Iowa DNR Water Accesses record e9ceed5f-6f96-4a18-8b1a-0885ee27a2db · Public data (Iowa DNR), no terms stated; credit the Iowa Department of Natural Resources
Why it is listed as public: listed by Iowa DNR Water Accesses. Something wrong, or is this launch private? Send a correction; it goes to a person.