Elderberry Forebay
Los Angeles County, California388 acresView mapDirections
No nutrient or algae sampling on record from SWRCB for this lake.
- Impaired · Mercury
- 112 ft max depth
- Limited data
Elderberry Forebay in Los Angeles County, California has water-quality measurements published by SWRCB, shown here as reported. Maximum depth: 111.5 ft. Surface area: 388 acres.
Elderberry Forebay is a 388-acre lake in Los Angeles County, California with a maximum depth of 112 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What Elderberry Forebay is good for
From access and monitoring records, not editorial picks.
- Deep water111.5 ft surveyed max depth
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Elderberry Forebay is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
Whether Elderberry Forebay 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.
Water quality measurements for Elderberry Forebay
These are the measurements SWRCB publishes for Elderberry Forebay, 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 Elderberry Forebay
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
111.5 ft
Surface area
388 acres
Shoreline
7.1 mi
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Fishing Elderberry Forebay
EPA Impairment Status
Elderberry Forebay is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Other.
Source: EPA ATTAINS assessment unit CAL4035100020091208105717 · Official waterbody report
Nearby Lakes in Los Angeles County
Frequently asked questions about Elderberry Forebay
Where is Elderberry Forebay?
- Elderberry Forebay 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 Elderberry Forebay?
- Elderberry Forebay in Los Angeles County, California has water-quality measurements published by SWRCB, shown here as reported. Maximum depth: 111.5 ft. Surface area: 388 acres.
Is Elderberry Forebay safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Elderberry Forebay is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
How deep is Elderberry Forebay?
- Elderberry Forebay has a maximum depth of 111.5 feet. The lake covers 388 acres.
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Where this data comes from
Measurements for Elderberry Forebay come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database