Eagle Lake is a lake in Hancock County, Iowa. Its water-quality measurements are published by Iowa DNR and shown on this page as reported.

Eagle Lake

Hancock County, Iowa434 acresView map Directions

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

Area

434 acres

Surface area

Shoreline

5.9 mi

Measured length

Impaired · pH / acidity

See the measurements Directions Where to stay

Eagle Lake in Hancock County, Iowa has water-quality measurements published by Iowa DNR, shown here as reported. Surface area: 434 acres.

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Eagle Lake is a 434-acre lake in Hancock County, Iowa.

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

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Eagle Lake is listed impaired under Clean Water Act §303(d) (IR 5) for pH / acidity. Check local advisories before you swim.

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

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Water quality measurements for Eagle Lake

These are the measurements Iowa DNR publishes for Eagle 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.

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

Lake Details

Surface area

434 acres

Shoreline

5.9 mi

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

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Stays near Eagle Lake

Compare lakeside cabins, hotels, and vacation rentals near Eagle Lake in Hancock County, Iowa — 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.

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Fishing Eagle Lake

→ Eagle Lake fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Eagle Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

pH / acidity

Designated uses not supporting: Aquatic life.

Source: EPA ATTAINS assessment unit IA 02-IOW-779 · Official waterbody report

Nearby Lakes in Hancock County

Crystal Lake Max Depth1.6 ft clear · Hypereutrophic7.8 miView →Lake George9.6 miView →West Twin Lake13.1 miView →East Twin Lake13.1 miView →Eldred Sherwood Lake3 ft clear · Hypereutrophic15.3 miView →

Frequently asked questions about Eagle Lake

Where is Eagle Lake?: Eagle Lake is a lake in Hancock County, Iowa. Its water-quality measurements are published by Iowa DNR and shown on this page as reported.
What is the water quality of Eagle Lake?: Eagle Lake in Hancock County, Iowa has water-quality measurements published by Iowa DNR, shown here as reported. Surface area: 434 acres.
Is Eagle Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Eagle Lake is listed impaired under Clean Water Act §303(d) (IR 5) for pH / acidity. Check local advisories before you swim.