Where is Matilija Lake?

Matilija Lake is a lake in Ventura County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.

Are there campgrounds on Matilija Lake?

Matilija Lake has 3 public campgrounds from USGS The National Map within 5 km, including Wheeler Gorge, Holiday, Holiday Group 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.

Matilija Lake

Ventura County, California30 acresView map Directions

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

Area

30 acres

Surface area

Shoreline

1.5 mi

Measured length

Impaired · Habitat alterations

See the measurements Directions Where to stay

Matilija Lake in Ventura County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 30 acres.

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Matilija Lake is a 30-acre lake in Ventura County, California.

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

What Matilija Lake is good for

From access and monitoring records, not editorial picks.

Camping3 public campgrounds nearby

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Matilija Lake is listed impaired under Clean Water Act §303(d) (IR 4C) for habitat alterations. Check local advisories before you swim.

Whether Matilija 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.

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Water quality measurements for Matilija Lake

These are the measurements SWRCB publishes for Matilija 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. TSI undefined.

Ask about Matilija Lake

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

Lake Details

Surface area

30 acres

Shoreline

1.5 mi

No bathymetric survey has been published for Matilija Lake, so its depth is not documented here.

Recreation & Access

Campgrounds

Public campgrounds near Matilija Lake

Wheeler Gorge4.3 kmReserve
Holiday4.4 km
Holiday Group Campground4.5 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 Matilija Lake

Compare lakeside cabins, hotels, and vacation rentals near Matilija Lake in Ventura 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 Matilija Lake

Prices for Oct 9–11, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Follow Matilija Lake’s readings

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Fishing Matilija Lake

→ Matilija Lake fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Matilija Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4C).

Causes of impairment

Habitat alterations

Designated uses not supporting: Aquatic life.

Source: EPA ATTAINS assessment unit CAL4022001219990202160007 · Official waterbody report

Nearby Lakes in Ventura County

Lake Casitas6.9 miView →Wood Ranch Reservoir32.5 miView →Lake Piru31.6 miView →Lake Sherwood—View →

Frequently asked questions about Matilija Lake

Where is Matilija Lake?: Matilija Lake is a lake in Ventura County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Matilija Lake?: Matilija Lake in Ventura County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 30 acres.
Is Matilija Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Matilija Lake is listed impaired under Clean Water Act §303(d) (IR 4C) for habitat alterations. Check local advisories before you swim.
Are there campgrounds on Matilija Lake?: Matilija Lake has 3 public campgrounds from USGS The National Map within 5 km, including Wheeler Gorge, Holiday, Holiday Group 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.