Where is Harrison Lake?

Harrison Lake is a lake in Boundary County, Idaho. Its water-quality measurements are published by Idaho DEQ and shown on this page as reported.

Harrison Lake

Boundary County, Idaho28 acresView map Directions

No nutrient or algae sampling on record from Idaho DEQ for this lake.

Area

28 acres

Surface area

Shoreline

0.9 mi

Measured length

See the measurements Directions Where to stay

Harrison Lake in Boundary County, Idaho has water-quality measurements published by Idaho DEQ, shown here as reported. Surface area: 28 acres.

Loading map…

Harrison Lake is a 28-acre lake in Boundary County, Idaho.

Source: EPA Water Quality Portal sampling records, IDEQ. 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 Harrison Lake is safe to swim in today is a call for the Idaho Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

Get alerts for Harrison Lake →

Water quality measurements for Harrison Lake

These are the measurements Idaho DEQ publishes for Harrison 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 Harrison Lake

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

Lake Details

Surface area

28 acres

Shoreline

0.9 mi

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

Stays via Stay22

Stays near Harrison Lake

Compare lakeside cabins, hotels, and vacation rentals near Harrison Lake in Boundary County, Idaho — 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 Harrison 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 Idaho’s top lakes →

Follow Harrison Lake’s readings

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

Or email

Fishing Harrison Lake

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

Nearby Lakes in Boundary County

Hidden Lake14.9 miView →McArthur Lake14.7 miView →Brush Lake—View →Smith Lake19.2 miView →Dawson Lake20.2 miView →Robinson Lake—View →

Frequently asked questions about Harrison Lake

Where is Harrison Lake?: Harrison Lake is a lake in Boundary County, Idaho. Its water-quality measurements are published by Idaho DEQ and shown on this page as reported.
What is the water quality of Harrison Lake?: Harrison Lake in Boundary County, Idaho has water-quality measurements published by Idaho DEQ, shown here as reported. Surface area: 28 acres.
Is Harrison Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.