Santa Margarita Lake
San Luis Obispo County, California146 acresView mapDirections
No nutrient or algae sampling on record from SWRCB for this lake.
- Limited data
Santa Margarita Lake in San Luis Obispo County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 146 acres.
Santa Margarita Lake is a 146-acre lake in San Luis Obispo County, California. 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 Santa Margarita Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Santa Margarita Lake 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 Santa Margarita Lake
These are the measurements SWRCB publishes for Santa Margarita 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.
Ask about Santa Margarita Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
146 acres
No bathymetric survey has been published for Santa Margarita Lake, so its depth is not documented here.
Recreation & Access
- Santa Margarita Lake Marina & StoreSemi-private
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Santa Margarita Lake
Compare lakeside cabins, hotels, and vacation rentals near Santa Margarita Lake in San Luis Obispo 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 Santa Margarita Lake
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Fishing Santa Margarita Lake
Nearby Lakes in San Luis Obispo County
Frequently asked questions about Santa Margarita Lake
Where is Santa Margarita Lake?
- Santa Margarita Lake is a lake in San Luis Obispo County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Santa Margarita Lake?
- Santa Margarita Lake in San Luis Obispo County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 146 acres.
Is Santa Margarita Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Santa Margarita Lake?
- Santa Margarita Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Santa Margarita Lake Marina & Store.
Can I fish at Santa Margarita Lake?
- Santa Margarita Lake 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.
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Where this data comes from
Measurements for Santa Margarita Lake 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