Mission Lake
Marion County, Oregon29 acresView mapDirections
No nutrient or algae sampling on record from Oregon DEQ for this lake.
- Impaired · Noxious aquatic plants
Mission Lake in Marion County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Surface area: 29 acres.
Mission Lake is a 29-acre lake in Marion County, Oregon.
Source: EPA Water Quality Portal sampling records, Oregon DEQ. Methodology: how these readings are compared.
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Mission Lake is listed impaired under Clean Water Act §303(d) (IR 5) for noxious aquatic plants. Check local advisories before you swim.
Whether Mission Lake 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.
Water quality measurements for Mission Lake
These are the measurements Oregon DEQ publishes for Mission 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.
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Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
29 acres
Shoreline
2.3 mi
No bathymetric survey has been published for Mission Lake, so its depth is not documented here.
Stays via Stay22
Stays near Mission Lake
Compare lakeside cabins, hotels, and vacation rentals near Mission Lake in Marion 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.
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Fishing Mission Lake
EPA Impairment Status
Mission Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Recreation, Other.
Source: EPA ATTAINS assessment unit OR_LK_1709000703_02_100795 · Official waterbody report
Nearby Lakes in Marion County
Frequently asked questions about Mission Lake
Where is Mission Lake?
- Mission Lake is a lake in Marion County, Oregon. Its water-quality measurements are published by Oregon DEQ and shown on this page as reported.
What is the water quality of Mission Lake?
- Mission Lake in Marion County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Surface area: 29 acres.
Is Mission Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Mission Lake is listed impaired under Clean Water Act §303(d) (IR 5) for noxious aquatic plants. Check local advisories before you swim.
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Where this data comes from
Measurements for Mission Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database