Sullivan Lake
Pend Oreille County, Washington1,296 acresView mapDirections
No nutrient or algae sampling on record from Washington Ecology for this lake.
- Impaired · Mercury
Sullivan Lake in Pend Oreille County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 1296 acres.
Sullivan Lake is a 1,296-acre lake in Pend Oreille County, Washington.
Source: EPA Water Quality Portal sampling records, WA Ecology. Methodology: how these readings are compared.
What Sullivan Lake is good for
From access and monitoring records, not editorial picks.
- Camping5 public campgrounds nearby
- Big water1,296 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Sullivan Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pCBs. Check local advisories before you swim.
Whether Sullivan 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.
Water quality measurements for Sullivan Lake
These are the measurements Washington Ecology publishes for Sullivan 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 Sullivan Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
1,296 acres
Shoreline
8.6 mi
No bathymetric survey has been published for Sullivan Lake, so its depth is not documented here.
Recreation & Access
Public campgrounds near Sullivan Lake
- West Sullivan2.9 km
- Sullivan Lake Group2.9 km
- Noisy Creek2.9 km
- East Sullivan3.0 km
- Mill Pond4.5 km
Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes
Stays via Stay22
Stays near Sullivan Lake
Compare lakeside cabins, hotels, and vacation rentals near Sullivan Lake in Pend Oreille 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 Sullivan Lake
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Fishing Sullivan Lake
EPA Impairment Status
Sullivan Lake is officially listed as impaired under Clean Water Act §303(d) in the 2018 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Fish consumption.
Source: EPA ATTAINS assessment unit WA17010216000968_001_001 · Official waterbody report
Nearby Lakes in Pend Oreille County
Frequently asked questions about Sullivan Lake
Where is Sullivan Lake?
- Sullivan Lake is a lake in Pend Oreille County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.
What is the water quality of Sullivan Lake?
- Sullivan Lake in Pend Oreille County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 1296 acres.
Is Sullivan Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Sullivan Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pCBs. Check local advisories before you swim.
Are there campgrounds on Sullivan Lake?
- Sullivan Lake has 5 public campgrounds from USGS The National Map within 5 km, including West Sullivan, Sullivan Lake Group, Noisy Creek, East Sullivan. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.
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Where this data comes from
Measurements for Sullivan 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
Public campgrounds from USGS The National Map Structures, within about 3 miles