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

Royal Lake

Adams County, Washington87 acresView map Directions

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

Area

87 acres

Surface area

Shoreline

5.3 mi

Measured length

Impaired · Pesticides

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Royal Lake in Adams County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 87 acres.

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Royal Lake is a 87-acre lake in Adams County, Washington.

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

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Royal Lake is listed impaired under Clean Water Act §303(d) (IR 5) for pesticides. Check local advisories before you swim.

Whether Royal 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.

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Water quality measurements for Royal Lake

These are the measurements Washington Ecology publishes for Royal 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 Royal Lake

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

Lake Details

Surface area

87 acres

Shoreline

5.3 mi

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

Stays via Stay22

Stays near Royal Lake

Compare lakeside cabins, hotels, and vacation rentals near Royal Lake in Adams 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 Royal Lake

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Fishing Royal Lake

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

EPA Impairment Status

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

Causes of impairment

Pesticides

Designated uses not supporting: Drinking water, Fish consumption.

Source: EPA ATTAINS assessment unit WA17020015001501_001_001 · Official waterbody report

Nearby Lakes in Adams County

Hutchinson Lake3.1 miView →Black Lake4.2 miView →Shiner Lake4.1 miView →Morgan Lake6.1 miView →Campbell Lake—View →Finnell Lake—View →

Frequently asked questions about Royal Lake

Where is Royal Lake?: Royal Lake is a lake in Adams County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.
What is the water quality of Royal Lake?: Royal Lake in Adams County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 87 acres.
Is Royal Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Royal Lake is listed impaired under Clean Water Act §303(d) (IR 5) for pesticides. Check local advisories before you swim.