Where is Loomis Lake?

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

Are there boat ramps on Loomis Lake?

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

Can I fish at Loomis Lake?

Loomis 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.

Loomis Lake

Pacific County, Washington150 acresView map Directions

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

Area

150 acres

Surface area

Shoreline

4.6 mi

Measured length

Impaired · Mercury
Public access

See the measurements Directions Where to stay

Loomis Lake in Pacific County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 150 acres.

Loading map…

Loomis Lake is a 150-acre lake in Pacific County, Washington. 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 Loomis 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. Loomis Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nuisance exotic species. Check local advisories before you swim.

Whether Loomis 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.

Get alerts for Loomis Lake →

Water quality measurements for Loomis Lake

These are the measurements Washington Ecology publishes for Loomis 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 Loomis Lake

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

Lake Details

Surface area

150 acres

Shoreline

4.6 mi

Public access

Yes

Listed by Washington Ecology

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

Recreation & Access

Boat Landings

Yes

Public Access

Loomis 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 Loomis Lake

Compare lakeside cabins, hotels, and vacation rentals near Loomis Lake in Pacific 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 Loomis 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 Washington’s top lakes →

Follow Loomis Lake’s readings

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

Or email

Fishing Loomis Lake

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

EPA Impairment Status

Loomis Lake is officially listed as impaired under Clean Water Act §303(d) in the 2018 EPA reporting cycle (IR category 5).

Causes of impairment

MercuryNuisance exotic species

Designated uses not supporting: Aquatic life, Fish consumption.

Source: EPA ATTAINS assessment unit WA17100106000999_001_001 · Official waterbody report

Nearby Lakes in Pacific County

Skating Lake6.8 miView →Black Lake8.4 miView →Duck Lake—View →Lake Aberdeen—View →Failor Lake—View →Sylvia Lake—View →

Frequently asked questions about Loomis Lake

Where is Loomis Lake?: Loomis Lake is a lake in Pacific County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.
What is the water quality of Loomis Lake?: Loomis Lake in Pacific County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 150 acres.
Is Loomis Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Loomis Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nuisance exotic species. Check local advisories before you swim.
Are there boat ramps on Loomis Lake?: Loomis Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Loomis Lake. Public access is listed as yes.
Can I fish at Loomis Lake?: Loomis 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.