Upper Pony Creek Reservoir
Coos County, Oregon111 acresView mapDirections
No nutrient or algae sampling on record from Oregon DEQ for this lake.
- Impaired · Pathogens (E. coli, fecal)
Upper Pony Creek Reservoir in Coos County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Surface area: 111 acres.
Upper Pony Creek Reservoir is a 111-acre lake in Coos County, Oregon.
Source: EPA Water Quality Portal sampling records, Oregon DEQ. Methodology: how these readings are compared.
Swimming conditions
No readingBacteria advisory
Nutrient and algae readings are not a swimming clearance. Upper Pony Creek Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for pathogens (E. coli, fecal). Check local advisories before you swim.
Whether Upper Pony Creek Reservoir 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 Upper Pony Creek Reservoir
These are the measurements Oregon DEQ publishes for Upper Pony Creek Reservoir, 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 Upper Pony Creek Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
111 acres
Shoreline
5.9 mi
No bathymetric survey has been published for Upper Pony Creek Reservoir, so its depth is not documented here.
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Fishing Upper Pony Creek Reservoir
EPA Impairment Status
Upper Pony Creek Reservoir 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: Fish consumption.
Source: EPA ATTAINS assessment unit OR_LK_1710030403_02_100210 · Official waterbody report
Nearby Lakes in Coos County
Frequently asked questions about Upper Pony Creek Reservoir
Where is Upper Pony Creek Reservoir?
- Upper Pony Creek Reservoir is a lake in Coos County, Oregon. Its water-quality measurements are published by Oregon DEQ and shown on this page as reported.
What is the water quality of Upper Pony Creek Reservoir?
- Upper Pony Creek Reservoir in Coos County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Surface area: 111 acres.
Is Upper Pony Creek Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Upper Pony Creek Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for pathogens (E. coli, fecal). Check local advisories before you swim.
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Where this data comes from
Measurements for Upper Pony Creek Reservoir 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