Milliken Reservoir
Napa County, California41 acresView mapDirections
No nutrient or algae sampling on record from SWRCB for this lake.
Milliken Reservoir in Napa County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 41 acres.
Milliken Reservoir is a 41-acre lake in Napa County, California.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Milliken 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 Milliken Reservoir
These are the measurements SWRCB publishes for Milliken 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. TSI undefined.
Ask about Milliken Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
41 acres
Shoreline
2 mi
No bathymetric survey has been published for Milliken Reservoir, so its depth is not documented here.
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Frequently asked questions about Milliken Reservoir
Where is Milliken Reservoir?
- Milliken Reservoir is a lake in Napa County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Milliken Reservoir?
- Milliken Reservoir in Napa County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 41 acres.
Is Milliken Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
Measurements for Milliken Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.