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

Are there boat ramps on Lake Hemet?

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

Can I fish at Lake Hemet?

Lake Hemet 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 Hemet

Riverside County, California341 acresView map Directions

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

Area

341 acres

Surface area

Shoreline

5.7 mi

Measured length

Impaired · Mercury
Public access
Limited data

See the measurements Directions Where to stay

Lake Hemet in Riverside County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 341 acres.

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Lake Hemet is a 341-acre lake in Riverside 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 Hemet 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 Hemet is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.

Whether Lake Hemet 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 Hemet

These are the measurements SWRCB publishes for Lake Hemet, 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 Hemet

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

Lake Details

Surface area

341 acres

Shoreline

5.7 mi

Public access

Yes

Listed by SWRCB

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

Recreation & Access

Boat Landings

Yes

Public Access

Lake HemetPublic

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 Hemet

Compare lakeside cabins, hotels, and vacation rentals near Lake Hemet in Riverside 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 Hemet

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

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Follow Lake Hemet’s readings

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Fishing Lake Hemet

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

EPA Impairment Status

Lake Hemet 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, Other.

Source: EPA ATTAINS assessment unit CAL8022200020011108112802 · Official waterbody report

Nearby Lakes in Riverside County

Lake Riverside12 miView →Vail Lake20 miView →Diamond Valley Lake19.4 miView →Lake Morongo24.1 miView →Skinner Reservoir21.8 miView →Lake Cahuilla24.1 miView →

Frequently asked questions about Lake Hemet

Where is Lake Hemet?: Lake Hemet is a lake in Riverside County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Lake Hemet?: Lake Hemet in Riverside County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 341 acres.
Is Lake Hemet safe to swim in?: Nutrient and algae readings are not a swimming clearance. Lake Hemet 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 Hemet?: Lake Hemet has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake Hemet. Public access is listed as yes.
Can I fish at Lake Hemet?: Lake Hemet 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.