Castaic Lagoon
Los Angeles County, California165 acresView mapDirections
No nutrient or algae sampling on record from SWRCB for this lake.
- Public access
- Limited data
Castaic Lagoon in Los Angeles County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 165 acres.
Castaic Lagoon is a 165-acre lake in Los Angeles County, California. Limited fish-species data available. Public access is available with 3 public boat landings.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What Castaic Lagoon is good for
From access and monitoring records, not editorial picks.
- Boat launch3 documented ramps
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Castaic Lagoon 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 Castaic Lagoon
These are the measurements SWRCB publishes for Castaic Lagoon, 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 Castaic Lagoon
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
165 acres
Shoreline
3.2 mi
Public access
Yes
Listed by SWRCB
No bathymetric survey has been published for Castaic Lagoon, so its depth is not documented here.
Recreation & Access
- Castaic Lake OverlookPublic
- Castaic Lake State Recreation Area (Lagoon)Public
- CSU Northridge Aquatic CenterSemi-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 Castaic Lagoon
Compare lakeside cabins, hotels, and vacation rentals near Castaic Lagoon in Los Angeles 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 Castaic Lagoon
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Fishing Castaic Lagoon
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Frequently asked questions about Castaic Lagoon
Where is Castaic Lagoon?
- Castaic Lagoon is a lake in Los Angeles County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Castaic Lagoon?
- Castaic Lagoon in Los Angeles County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 165 acres.
Is Castaic Lagoon safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Castaic Lagoon?
- Castaic Lagoon has 3 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Castaic Lake Overlook, Castaic Lake State Recreation Area (Lagoon), CSU Northridge Aquatic Center. Public access is listed as yes.
Can I fish at Castaic Lagoon?
- Castaic Lagoon has 3 documented boat landings 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 Castaic Lagoon 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