Hog Flat Reservoir
Lassen County, California693 acresView mapDirections
No nutrient or algae sampling on record from SWRCB for this lake.
Hog Flat Reservoir in Lassen County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 693 acres.
Hog Flat Reservoir is a 693-acre lake in Lassen County, California.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What Hog Flat Reservoir 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 Hog Flat 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 Hog Flat Reservoir
These are the measurements SWRCB publishes for Hog Flat 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. TSI undefined.
Ask about Hog Flat Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
693 acres
No bathymetric survey has been published for Hog Flat Reservoir, so its depth is not documented here.
Recreation & Access
Public campgrounds near Hog Flat Reservoir
- Goumaz3.9 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 Hog Flat Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Hog Flat Reservoir in Lassen 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 Hog Flat Reservoir
Prices for Oct 16–18, 4 adults. Change dates on the map below.
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Fishing Hog Flat Reservoir
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Frequently asked questions about Hog Flat Reservoir
Where is Hog Flat Reservoir?
- Hog Flat Reservoir is a lake in Lassen County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Hog Flat Reservoir?
- Hog Flat Reservoir in Lassen County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 693 acres.
Is Hog Flat Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there campgrounds on Hog Flat Reservoir?
- Hog Flat Reservoir has 1 public campground from USGS The National Map within 5 km, including Goumaz. 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 Hog Flat Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Public campgrounds from USGS The National Map Structures, within about 3 miles