Ruth Lake
Petersburg County, Alaska51 acresView mapDirections
No nutrient or algae sampling on record from Alaska DEC for this lake.
- 32 ft mean depth (modelled)
Ruth Lake in Petersburg County, Alaska has water-quality measurements published by Alaska DEC, shown here as reported. Surface area: 51 acres.
Ruth Lake is a 51-acre lake in Petersburg County, Alaska with an estimated average depth of about 32 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What Ruth Lake is good for
From access and monitoring records, not editorial picks.
- Camping1 public campground nearby
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Ruth Lake is safe to swim in today is a call for the Alaska Department of Environmental Conservation and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Ruth Lake
These are the measurements Alaska DEC publishes for Ruth 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 Ruth Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Mean depth
~32 ft est.
Surface area
51 acres
Depth marked “est.” is a modeled estimate from HydroLAKES, not a measured survey. Alaska has not published bathymetry for Ruth Lake.
Lake Size & Watershed
Watershed (drainage) area
8 sq mi
HydroLAKES / HydroSHEDS
Mean depth
~32 ft est.
Modelled from terrain, not sounded
Shoreline
1.5 mi
HydroLAKES / HydroSHEDS
Elevation
1,358 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Recreation & Access
Public campgrounds near Ruth Lake
- Cascade Creek Cabin3.3 kmReserve
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 Ruth Lake
Compare lakeside cabins, hotels, and vacation rentals near Ruth Lake in Petersburg County, Alaska — 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 Ruth Lake
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Fishing Ruth Lake
Nearby Lakes in Petersburg County
Frequently asked questions about Ruth Lake
Where is Ruth Lake?
- Ruth Lake is a lake in Petersburg County, Alaska. Its water-quality measurements are published by Alaska DEC and shown on this page as reported.
What is the water quality of Ruth Lake?
- Ruth Lake in Petersburg County, Alaska has water-quality measurements published by Alaska DEC, shown here as reported. Surface area: 51 acres.
Is Ruth Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Ruth Lake?
- No published bathymetric survey covers Ruth Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 32 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 51 acres.
Are there campgrounds on Ruth Lake?
- Ruth Lake has 1 public campground from USGS The National Map within 5 km, including Cascade Creek Cabin. 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 Ruth Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Lake size & watershed from HydroLAKES (HydroSHEDS)
Public campgrounds from USGS The National Map Structures, within about 3 miles