Puddingstone Reservoir
Los Angeles County, California248 acresView mapDirections
No nutrient or algae sampling on record from SWRCB for this lake.
- Impaired · Mercury
- Limited data
Puddingstone Reservoir in Los Angeles County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 248 acres.
Puddingstone Reservoir is a 248-acre lake in Los Angeles County, California.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Puddingstone Reservoir is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, pesticides, pCBs. Check local advisories before you swim.
Whether Puddingstone 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.
Water quality measurements for Puddingstone Reservoir
These are the measurements SWRCB publishes for Puddingstone 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.
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Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
248 acres
Shoreline
5 mi
No bathymetric survey has been published for Puddingstone Reservoir, so its depth is not documented here.
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Fishing Puddingstone Reservoir
EPA Impairment Status
Puddingstone Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Fish consumption, Other.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit CAL4055200019980918113803 · Official waterbody report
Nearby Lakes in Los Angeles County
Frequently asked questions about Puddingstone Reservoir
Where is Puddingstone Reservoir?
- Puddingstone 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 Puddingstone Reservoir?
- Puddingstone Reservoir in Los Angeles County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 248 acres.
Is Puddingstone Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Puddingstone Reservoir is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, pesticides, pCBs. Check local advisories before you swim.
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Where this data comes from
Measurements for Puddingstone Reservoir 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