Silver Lake
Cowlitz County, Washington1,989 acresView mapDirections
No nutrient or algae sampling on record from Washington Ecology for this lake.
- Impaired · Nuisance exotic species
- Public access
Silver Lake in Cowlitz County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 1989 acres.
Silver Lake is a 1,989-acre lake in Cowlitz County, Washington. Limited fish-species data available. Public access is available with 3 public boat landings.
Source: EPA Water Quality Portal sampling records, WA Ecology. Methodology: how these readings are compared.
What Silver Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch3 documented ramps
- Camping1 public campground nearby
- Big water1,989 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Silver Lake is listed impaired under Clean Water Act §303(d) (IR 4C) for nuisance exotic species. Check local advisories before you swim.
Whether Silver 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 Silver Lake
These are the measurements Washington Ecology publishes for Silver 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 Silver Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
1,989 acres
Shoreline
14.5 mi
Public access
Yes
Listed by Washington Ecology
No bathymetric survey has been published for Silver Lake, so its depth is not documented here.
Recreation & Access
- Cowlitz Valley Wildlife LeaguePublic
- Silver LakePublic
- Streeter's ResortSemi-private
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Public campgrounds near Silver Lake
- Seaquest State Park Campground2.6 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 Silver Lake
Compare lakeside cabins, hotels, and vacation rentals near Silver Lake in Cowlitz 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.
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Fishing Silver Lake
EPA Impairment Status
Silver Lake is officially listed as impaired under Clean Water Act §303(d) in the 2018 EPA reporting cycle (IR category 4C).
Causes of impairment
Designated uses not supporting: Aquatic life.
Source: EPA ATTAINS assessment unit WA46122C7J8_01_01 · Official waterbody report
Nearby Lakes in Cowlitz County
Frequently asked questions about Silver Lake
Where is Silver Lake?
- Silver Lake is a lake in Cowlitz County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.
What is the water quality of Silver Lake?
- Silver Lake in Cowlitz County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 1989 acres.
Is Silver Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Silver Lake is listed impaired under Clean Water Act §303(d) (IR 4C) for nuisance exotic species. Check local advisories before you swim.
Are there boat ramps on Silver Lake?
- Silver Lake has 3 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Cowlitz Valley Wildlife League, Silver Lake, Streeter's Resort. Public access is listed as yes.
Can I fish at Silver Lake?
- Silver Lake has 3 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Washington's fish and wildlife agency, so check its current regulations before you go.
Are there campgrounds on Silver Lake?
- Silver Lake has 1 public campground from USGS The National Map within 5 km, including Seaquest State Park Campground. 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 Silver 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
Named boat-access points from the USGS National Boat Ramps inventory
Public campgrounds from USGS The National Map Structures, within about 3 miles