Skip to main content
LakeQuality

Rock Island Lake

Johnson County, Missouri33 acresView mapDirections

No nutrient or algae sampling on record from Missouri DNR for this lake.

Area
33 acres
Surface area
Shoreline
1.3 mi
Measured length

Rock Island Lake in Johnson County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported. Surface area: 33 acres.

Loading map…

Rock Island Lake is a 33-acre lake in Johnson County, Missouri.

Source: EPA Water Quality Portal sampling records, Missouri DNR. Methodology: how these readings are compared.

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Rock Island Lake is safe to swim in today is a call for the Missouri Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

Compare swimming lakes near Kansas City →

Get alerts for Rock Island Lake →

Water quality measurements for Rock Island Lake

These are the measurements Missouri DNR publishes for Rock Island Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

No clarity data. TSI undefined.

Ask about Rock Island Lake

Answers come straight from the public measurements and survey records on this page.

Lake Details

Surface area

33 acres

Shoreline

1.3 mi

No bathymetric survey has been published for Rock Island Lake, so its depth is not documented here.

Stays via Stay22

Stays near Rock Island Lake

Compare lakeside cabins, hotels, and vacation rentals near Rock Island Lake in Johnson County, Missouri — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Rock Island Lake

Prices for Oct 16–18, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a whole trip? See where to stay at Missouri’s top lakes →

Follow Rock Island Lake’s readings

Email me when new measurements post for this lake. Updates stay free.


Or email

Fishing Rock Island Lake

Nearby Lakes in Johnson County

Frequently asked questions about Rock Island Lake

Where is Rock Island Lake?

Rock Island Lake is a lake in Johnson County, Missouri. Its water-quality measurements are published by Missouri DNR and shown on this page as reported.

What is the water quality of Rock Island Lake?

Rock Island Lake in Johnson County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported. Surface area: 33 acres.

Measurements on this page ↑

Is Rock Island Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

Where this data comes from

Measurements for Rock Island Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.