Big Sage Reservoir
Modoc County, California5,618 acresView mapDirections
No nutrient or algae sampling on record from SWRCB for this lake.
Big Sage Reservoir in Modoc County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 5618 acres.
Big Sage Reservoir is a 5,618-acre lake in Modoc County, California.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What Big Sage Reservoir is good for
From access and monitoring records, not editorial picks.
- Big water5,618 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Big Sage 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 Big Sage Reservoir
These are the measurements SWRCB publishes for Big Sage 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 Big Sage Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
5,618 acres
Shoreline
29.3 mi
No bathymetric survey has been published for Big Sage Reservoir, so its depth is not documented here.
Stays via Stay22
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Fishing Big Sage Reservoir
Nearby Lakes in Modoc County
Frequently asked questions about Big Sage Reservoir
Where is Big Sage Reservoir?
- Big Sage Reservoir is a lake in Modoc County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Big Sage Reservoir?
- Big Sage Reservoir in Modoc County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 5618 acres.
Is Big Sage 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 Big Sage Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.