Where is Lake Jennings?

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

Are there boat ramps on Lake Jennings?

Lake Jennings has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake Jennings. Public access is listed as yes.

Can I fish at Lake Jennings?

Lake Jennings 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.

Lake Jennings

San Diego County, California158 acresView map Directions

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

Area

158 acres

Surface area

Shoreline

4.1 mi

Measured length

Impaired · Mercury
Public access
Limited data

See the measurements Directions Where to stay

Lake Jennings in San Diego County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 158 acres.

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Lake Jennings is a 158-acre lake in San Diego County, California. Limited fish-species data available. 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 Lake Jennings is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp

Swimming conditions

No reading

Limited data

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

Whether Lake Jennings 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 Lake Jennings

These are the measurements SWRCB publishes for Lake Jennings, 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 Lake Jennings

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

Lake Details

Surface area

158 acres

Shoreline

4.1 mi

Public access

Yes

Listed by SWRCB

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

Recreation & Access

Boat Landings

Yes

Public Access

Lake JenningsPublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Stays via Stay22

Stays near Lake Jennings

Compare lakeside cabins, hotels, and vacation rentals near Lake Jennings in San Diego 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 Lake Jennings

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

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Follow Lake Jennings’s readings

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Fishing Lake Jennings

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

EPA Impairment Status

Lake Jennings 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.

Source: EPA ATTAINS assessment unit CAL9071200020190614046308 · Official waterbody report

Nearby Lakes in San Diego County

San Vicente Reservoir5.2 miView →El Capitan Lake6.8 miView →Loveland Reservoir8.5 miView →Palo Verde Lake9.7 miView →Murray Reservoir10.4 miView →Sweetwater Reservoir12.5 miView →

Frequently asked questions about Lake Jennings

Where is Lake Jennings?: Lake Jennings is a lake in San Diego County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Lake Jennings?: Lake Jennings in San Diego County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 158 acres.
Is Lake Jennings safe to swim in?: Nutrient and algae readings are not a swimming clearance. Lake Jennings is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
Are there boat ramps on Lake Jennings?: Lake Jennings has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake Jennings. Public access is listed as yes.
Can I fish at Lake Jennings?: Lake Jennings 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.