Where is Scappoose Bay?

Scappoose Bay is a lake in Columbia County, Oregon. Its water-quality measurements are published by Oregon DEQ and shown on this page as reported.

Are there boat ramps on Scappoose Bay?

Scappoose Bay has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Scappoose Bay Marina Park. Public access is listed as yes.

Can I fish at Scappoose Bay?

Scappoose Bay 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 Oregon's fish and wildlife agency, so check its current regulations before you go.

Scappoose Bay

Columbia County, Oregon300 acresView map Directions

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

Area

300 acres

Surface area

Shoreline

11.2 mi

Measured length

Impaired · Pathogens (E. coli, fecal)
Public access

See the measurements Directions Where to stay

Scappoose Bay in Columbia County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Surface area: 300 acres.

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Scappoose Bay is a 300-acre lake in Columbia County, Oregon. Limited fish-species data available. Public access is available with 1 public boat landing.

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

What Scappoose Bay is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp

Swimming conditions

No reading

Bacteria advisory

Nutrient and algae readings are not a swimming clearance. Scappoose Bay is listed impaired under Clean Water Act §303(d) (IR 4A) for pathogens (E. coli, fecal). Check local advisories before you swim.

Whether Scappoose Bay is safe to swim in today is a call for the Oregon Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Scappoose Bay

These are the measurements Oregon DEQ publishes for Scappoose Bay, 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 Scappoose Bay

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

Lake Details

Surface area

300 acres

Shoreline

11.2 mi

Public access

Yes

Listed by Oregon DEQ

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

Recreation & Access

Boat Landings

Yes

Public Access

Scappoose Bay Marina ParkPublic

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

Stays via Stay22

Stays near Scappoose Bay

Compare lakeside cabins, hotels, and vacation rentals near Scappoose Bay in Columbia County, Oregon — 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 Scappoose Bay

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Fishing Scappoose Bay

→ Scappoose Bay fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Scappoose Bay is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).

Causes of impairment

Pathogens (E. coli, fecal)

Designated uses not supporting: Recreation.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit OR_LK_1709001203_02_100869 · Official waterbody report

Nearby Lakes in Columbia County

Cunningham Lake1.5 miView →Millionaire Lake1.6 miView →Henrici Lake1.8 miView →Crane Lake3.8 miView →McNary Lake3.7 miView →Aarons Lake—View →

Frequently asked questions about Scappoose Bay

Where is Scappoose Bay?: Scappoose Bay is a lake in Columbia County, Oregon. Its water-quality measurements are published by Oregon DEQ and shown on this page as reported.
What is the water quality of Scappoose Bay?: Scappoose Bay in Columbia County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Surface area: 300 acres.
Is Scappoose Bay safe to swim in?: Nutrient and algae readings are not a swimming clearance. Scappoose Bay is listed impaired under Clean Water Act §303(d) (IR 4A) for pathogens (E. coli, fecal). Check local advisories before you swim.
Are there boat ramps on Scappoose Bay?: Scappoose Bay has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Scappoose Bay Marina Park. Public access is listed as yes.
Can I fish at Scappoose Bay?: Scappoose Bay 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 Oregon's fish and wildlife agency, so check its current regulations before you go.