Where is Hartwick Lake?

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

Hartwick Lake

Delaware County, Iowa506 acresView map Directions

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

Area

506 acres

Surface area

Shoreline

25.1 mi

Measured length

See the measurements Directions Where to stay

Hartwick Lake in Delaware County, Iowa has water-quality measurements published by Iowa DNR, shown here as reported. Surface area: 506 acres.

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Hartwick Lake is a 506-acre lake in Delaware 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. Check local advisories before you swim.

Whether Hartwick 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 Hartwick Lake

These are the measurements Iowa DNR publishes for Hartwick 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 Hartwick Lake

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

Lake Details

Surface area

506 acres

Shoreline

25.1 mi

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

Stays via Stay22

Stays near Hartwick Lake

Compare lakeside cabins, hotels, and vacation rentals near Hartwick Lake in Delaware 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.

Top-rated places to stay near Hartwick Lake

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Fishing Hartwick Lake

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

Nearby Lakes in Delaware County

Silver Lake Max Depth2.4 ft clear · Hypereutrophic3.2 miView →Quaker Mill Pond7.5 miView →Backbone Beach Lake14 miView →Backbone Lake14.6 miView →

Frequently asked questions about Hartwick Lake

Where is Hartwick Lake?: Hartwick Lake is a lake in Delaware County, Iowa. Its water-quality measurements are published by Iowa DNR and shown on this page as reported.
What is the water quality of Hartwick Lake?: Hartwick Lake in Delaware County, Iowa has water-quality measurements published by Iowa DNR, shown here as reported. Surface area: 506 acres.
Is Hartwick Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.