Where is Stony Gorge Reservoir?

Stony Gorge Reservoir is a lake in Glenn County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.

Are there campgrounds on Stony Gorge Reservoir?

Stony Gorge Reservoir has 1 public campground from USGS The National Map within 5 km, including Pines Group Site - Stony Gorge Reservoir. 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.

Stony Gorge Reservoir

Glenn County, California1,259 acresView map Directions

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

Area

1,259 acres

Surface area

Shoreline

20 mi

Measured length

Impaired · Mercury
Limited data

See the measurements Directions Where to stay

Stony Gorge Reservoir in Glenn County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 1259 acres.

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Stony Gorge Reservoir is a 1,259-acre lake in Glenn County, California.

Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.

What Stony Gorge Reservoir is good for

From access and monitoring records, not editorial picks.

Camping1 public campground nearby
Big water1,259 acres

Swimming conditions

No reading

Limited data

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

Whether Stony Gorge 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.

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Water quality measurements for Stony Gorge Reservoir

These are the measurements SWRCB publishes for Stony Gorge 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 Stony Gorge Reservoir

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

Lake Details

Surface area

1,259 acres

Shoreline

20 mi

No bathymetric survey has been published for Stony Gorge Reservoir, so its depth is not documented here.

Recreation & Access

Campgrounds

Public campgrounds near Stony Gorge Reservoir

Pines Group Site - Stony Gorge Reservoir3.8 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 Stony Gorge Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Stony Gorge Reservoir in Glenn 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 Stony Gorge Reservoir

Prices for Oct 16–18, 4 adults. Change dates on the map below.

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Fishing Stony Gorge Reservoir

→ Stony Gorge Reservoir fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Stony Gorge Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

Mercury

Designated uses not supporting: Fish consumption, Other.

Source: EPA ATTAINS assessment unit CAL5222200020000209112836 · Official waterbody report

Nearby Lakes in Glenn County

Black Butte Lake18.4 miView →Shepard Slough27.1 miView →Packer Lake29.1 miView →East Park Reservoir15.3 miView →Upper Letts Lake20.1 miView →Lake Pillsbury24.9 miView →

Frequently asked questions about Stony Gorge Reservoir

Where is Stony Gorge Reservoir?: Stony Gorge Reservoir is a lake in Glenn County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Stony Gorge Reservoir?: Stony Gorge Reservoir in Glenn County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 1259 acres.
Is Stony Gorge Reservoir safe to swim in?: Nutrient and algae readings are not a swimming clearance. Stony Gorge Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
Are there campgrounds on Stony Gorge Reservoir?: Stony Gorge Reservoir has 1 public campground from USGS The National Map within 5 km, including Pines Group Site - Stony Gorge Reservoir. 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.