Henski Reservoir
Modoc County, California44 acresView mapDirections
SWRCB publishes the water-quality measurements for Henski Reservoir. Here is what has been measured.
- Limited data
Henski Reservoir in Modoc County, California has water-quality measurements published by SWRCB, shown here as reported. Chlorophyll-a (algae): 3.2 µg/L. Surface area: 44 acres.
Henski Reservoir is a 44-acre lake in Modoc County, California.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2017-08-17. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Henski 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 Henski Reservoir
These are the measurements SWRCB publishes for Henski 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. Chlorophyll-a 3.2 µg/L.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | 3.2µg/L | Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water. |
Ask about Henski Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
44 acres
Shoreline
1.4 mi
No bathymetric survey has been published for Henski Reservoir, so its depth is not documented here.
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Frequently asked questions about Henski Reservoir
Where is Henski Reservoir?
- Henski 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 Henski Reservoir?
- Henski Reservoir in Modoc County, California has water-quality measurements published by SWRCB, shown here as reported. Chlorophyll-a (algae): 3.2 µg/L. Surface area: 44 acres.
Is Henski 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 Henski Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.