Munn Lake is a lake in Thurston County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.

How deep is Munn Lake?

Munn Lake has a maximum depth of 19 feet. The lake covers 31 acres.

Are there boat ramps on Munn Lake?

Munn Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Munn Lake. Public access is listed as yes.

Can I fish at Munn Lake?

Munn Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Washington's fish and wildlife agency, so check its current regulations before you go.

Munn Lake

Thurston County, Washington31 acresView map Directions

No nutrient or algae sampling on record from Washington Ecology for this lake.

Max depth

19 ft

Bathymetric survey

Area

31 acres

Surface area

Shoreline

1.1 mi

Measured length

Impaired · Nuisance exotic species
19 ft max depth
Public access

See the measurements Directions Where to stay

Munn Lake in Thurston County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Maximum depth: 19 ft. Surface area: 31 acres.

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Munn Lake is a 31-acre lake in Thurston County, Washington with a maximum depth of 19 feet. Limited fish-species data available. Public access is available with 1 public boat landing.

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

What Munn Lake is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Munn Lake is listed impaired under Clean Water Act §303(d) (IR 4C) for nuisance exotic species. Check local advisories before you swim.

Whether Munn Lake is safe to swim in today is a call for the Washington State Department of Ecology and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Munn Lake

These are the measurements Washington Ecology publishes for Munn 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 Munn Lake

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

Lake Details

Max depth

19 ft

Surface area

31 acres

Shoreline

1.1 mi

Public access

Yes

Listed by Washington Ecology

Recreation & Access

Boat Landings

Yes

Public Access

Munn LakePublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Stays via Stay22

Stays near Munn Lake

Compare lakeside cabins, hotels, and vacation rentals near Munn Lake in Thurston County, Washington — 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 Munn Lake

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Fishing Munn Lake

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

EPA Impairment Status

Munn Lake is officially listed as impaired under Clean Water Act §303(d) in the 2018 EPA reporting cycle (IR category 4C).

Causes of impairment

Nuisance exotic species

Designated uses not supporting: Aquatic life.

Source: EPA ATTAINS assessment unit WA17110016000108_001_001 · Official waterbody report

Nearby Lakes in Thurston County

Hewitt Lake1.2 miView →LakeMesotrophic1.7 miView →Lake2.2 miView →Lake3.4 miView →Chambers Lake3.4 miView →Lake4.1 miView →

Frequently asked questions about Munn Lake

Where is Munn Lake?: Munn Lake is a lake in Thurston County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.
What is the water quality of Munn Lake?: Munn Lake in Thurston County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Maximum depth: 19 ft. Surface area: 31 acres.
Is Munn Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Munn Lake is listed impaired under Clean Water Act §303(d) (IR 4C) for nuisance exotic species. Check local advisories before you swim.
How deep is Munn Lake?: Munn Lake has a maximum depth of 19 feet. The lake covers 31 acres.
Are there boat ramps on Munn Lake?: Munn Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Munn Lake. Public access is listed as yes.
Can I fish at Munn Lake?: Munn Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Washington's fish and wildlife agency, so check its current regulations before you go.