Where is McGuire Reservoir?

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

McGuire Reservoir

Yamhill County, Oregon181 acresView map Directions

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

Area

181 acres

Surface area

Impaired · Habitat alterations

See the measurements Directions Where to stay

McGuire Reservoir in Yamhill County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Surface area: 181 acres.

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McGuire Reservoir is a 181-acre lake in Yamhill County, Oregon.

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

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. McGuire Reservoir is listed impaired under Clean Water Act §303(d) (IR 4A) for habitat alterations, sediment / turbidity, temperature. Check local advisories before you swim.

Whether McGuire 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.

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Water quality measurements for McGuire Reservoir

These are the measurements Oregon DEQ publishes for McGuire 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.

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

Lake Details

Surface area

181 acres

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

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Stays near McGuire Reservoir

Compare lakeside cabins, hotels, and vacation rentals near McGuire Reservoir in Yamhill 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 McGuire Reservoir

→ McGuire Reservoir fishing regulations (limits, seasons, special rules)

EPA Impairment Status

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

Causes of impairment

Habitat alterationsSediment / turbidityTemperature

Designated uses not supporting: Aquatic life.

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

Source: EPA ATTAINS assessment unit OR_LK_1710020302_05_100157 · Official waterbody report

Nearby Lakes in Yamhill County

Haskins Reservoir2.3 miView →Lambert Slough—View →Barney Reservoir9.6 miView →Lillie Walker Irrigation Pond16.6 miView →Henry Hagg LakeOligotrophic15.5 miView →Stimson Millpond15.3 miView →

Frequently asked questions about McGuire Reservoir

Where is McGuire Reservoir?: McGuire Reservoir is a lake in Yamhill County, Oregon. Its water-quality measurements are published by Oregon DEQ and shown on this page as reported.
What is the water quality of McGuire Reservoir?: McGuire Reservoir in Yamhill County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Surface area: 181 acres.
Is McGuire Reservoir safe to swim in?: Nutrient and algae readings are not a swimming clearance. McGuire Reservoir is listed impaired under Clean Water Act §303(d) (IR 4A) for habitat alterations, sediment / turbidity, temperature. Check local advisories before you swim.