Union Valley Reservoir
El Dorado County, California2,735 acresView mapDirections
No nutrient or algae sampling on record from SWRCB for this lake.
- Public access
- Limited data
Union Valley Reservoir in El Dorado County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 2735 acres.
Union Valley Reservoir is a 2,735-acre lake in El Dorado County, California. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What Union Valley Reservoir is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Camping9 public campgrounds nearby
- Big water2,735 acres
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Union Valley Reservoir is safe to swim in today is a call for the California State Water Resources Control Board and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Union Valley Reservoir
These are the measurements SWRCB publishes for Union Valley 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.
Ask about Union Valley Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
2,735 acres
Shoreline
24 mi
Public access
Yes
Listed by SWRCB
No bathymetric survey has been published for Union Valley Reservoir, so its depth is not documented here.
Recreation & Access
- Union Valley Reservoir - PeninsulaPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Public campgrounds near Union Valley Reservoir
- Wolf Creek Gcg1.1 km
- Sunset-Union Valley1.1 kmReserve
- Sunset Cg1.3 km
- Camino Cove Campground1.4 km
- Fashoda1.5 kmReserve
- Wolf Creek California1.5 kmReserve
- Wolf Creek1.7 km
- Lone Rock2.6 km
- Yellowjacket2.7 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 Union Valley Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Union Valley Reservoir in El Dorado County, California — 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 Union Valley Reservoir
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Fishing Union Valley Reservoir
Nearby Lakes in El Dorado County
Frequently asked questions about Union Valley Reservoir
Where is Union Valley Reservoir?
- Union Valley Reservoir is a lake in El Dorado County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Union Valley Reservoir?
- Union Valley Reservoir in El Dorado County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 2735 acres.
Is Union Valley Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Union Valley Reservoir?
- Union Valley Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Union Valley Reservoir - Peninsula. Public access is listed as yes.
Can I fish at Union Valley Reservoir?
- Union Valley Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by California's fish and wildlife agency, so check its current regulations before you go.
Are there campgrounds on Union Valley Reservoir?
- Union Valley Reservoir has 9 public campgrounds from USGS The National Map within 5 km, including Wolf Creek Gcg, Sunset-Union Valley, Sunset Cg, Camino Cove 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 Union Valley Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory
Public campgrounds from USGS The National Map Structures, within about 3 miles