Where is Little Rock Reservoir?

Little Rock Reservoir is a lake in Los Angeles County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.

Are there boat ramps on Little Rock Reservoir?

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

Can I fish at Little Rock Reservoir?

Little Rock Reservoir 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.

Little Rock Reservoir

Los Angeles County, California107 acresView map Directions

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

Area

107 acres

Surface area

Shoreline

3.4 mi

Measured length

Impaired · Mercury
Public access
Limited data

See the measurements Directions Where to stay

Little Rock Reservoir in Los Angeles County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 107 acres.

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Little Rock Reservoir is a 107-acre lake in Los Angeles 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 Little Rock Reservoir 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. Little Rock Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, metals (other than mercury), pCBs. Check local advisories before you swim.

Whether Little Rock 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.

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Water quality measurements for Little Rock Reservoir

These are the measurements SWRCB publishes for Little Rock 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.

Ask about Little Rock Reservoir

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

Lake Details

Surface area

107 acres

Shoreline

3.4 mi

Public access

Yes

Listed by SWRCB

No bathymetric survey has been published for Little Rock Reservoir, so its depth is not documented here.

Recreation & Access

Boat Landings

Yes

Public Access

Little Rock ReservoirPublic

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

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Stays near Little Rock Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Little Rock Reservoir 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 Little Rock Reservoir

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Follow Little Rock Reservoir’s readings

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Fishing Little Rock Reservoir

→ Little Rock Reservoir fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Little Rock Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

MercuryMetals (other than mercury)PCBs

Designated uses not supporting: Drinking water, Fish consumption, Other.

Source: EPA ATTAINS assessment unit CAL6268000020020529143312 · Official waterbody report

Nearby Lakes in Los Angeles County

Lake Palmdale7.6 miView →Cogswell Reservoir16.5 miView →Big Tujunga Reservoir15.5 miView →Pond Two19.1 miView →San Gabriel Reservoir20.2 miView →Piute Ponds22 miView →

Frequently asked questions about Little Rock Reservoir

Where is Little Rock Reservoir?: Little Rock Reservoir 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 Little Rock Reservoir?: Little Rock Reservoir in Los Angeles County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 107 acres.
Is Little Rock Reservoir safe to swim in?: Nutrient and algae readings are not a swimming clearance. Little Rock Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, metals (other than mercury), pCBs. Check local advisories before you swim.
Are there boat ramps on Little Rock Reservoir?: Little Rock Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Little Rock Reservoir. Public access is listed as yes.
Can I fish at Little Rock Reservoir?: Little Rock Reservoir 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.