Where is Ramona Lake?

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

Ramona Lake

Fresno County, California29 acresView map Directions

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

Area

29 acres

Surface area

Shoreline

1.2 mi

Measured length

Impaired · Pathogens (E. coli, fecal)

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Ramona Lake in Fresno County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 29 acres.

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Ramona Lake is a 29-acre lake in Fresno County, California.

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

Swimming conditions

No reading

Bacteria advisory

Nutrient and algae readings are not a swimming clearance. Ramona Lake is listed impaired under Clean Water Act §303(d) (IR 5) for pathogens (E. coli, fecal), salinity / chlorides, total toxics. Check local advisories before you swim.

Whether Ramona 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 Ramona Lake

These are the measurements SWRCB publishes for Ramona 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 Ramona Lake

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

Lake Details

Surface area

29 acres

Shoreline

1.2 mi

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

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Stays near Ramona Lake

Compare lakeside cabins, hotels, and vacation rentals near Ramona Lake in Fresno 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 Ramona Lake

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Fishing Ramona Lake

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

EPA Impairment Status

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

Causes of impairment

Pathogens (E. coli, fecal)Salinity / chloridesTotal toxics

Designated uses not supporting: Drinking water, Aquatic life, Recreation.

Source: EPA ATTAINS assessment unit CAL5404001820080810192411 · Official waterbody report

Nearby Lakes in Fresno County

Packsaddle Lake2.5 miView →Merriam Lake3.1 miView →Alsace Lake2.9 miView →Paris Lake3.2 miView →Payne Lake3.2 miView →Puppet Lake3.7 miView →

Frequently asked questions about Ramona Lake

Where is Ramona Lake?: Ramona Lake is a lake in Fresno County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Ramona Lake?: Ramona Lake in Fresno County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 29 acres.
Is Ramona Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Ramona Lake is listed impaired under Clean Water Act §303(d) (IR 5) for pathogens (E. coli, fecal), salinity / chlorides, total toxics. Check local advisories before you swim.