East Corner of Big Valley Rancheria Marina Lake
Lake County, CaliforniaView mapDirections
SWRCB publishes the water-quality measurements for East Corner of Big Valley Rancheria Marina Lake. Here is what has been measured.
- Limited data
East Corner of Big Valley Rancheria Marina Lake in Lake County, California has water-quality measurements published by SWRCB, shown here as reported. Water clarity: 2 ft visibility. Chlorophyll-a (algae): 9.8 µg/L.
East Corner of Big Valley Rancheria Marina Lake is a lake in Lake County, California. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2026-04-30. Methodology: how these readings are compared.
What East Corner of Big Valley Rancheria Marina Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether East Corner of Big Valley Rancheria Marina Lake 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.
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Water quality measurements for East Corner of Big Valley Rancheria Marina Lake
These are the measurements SWRCB publishes for East Corner of Big Valley Rancheria Marina Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 2 ft of visibility. Chlorophyll-a 9.8 µg/L. TSI 60.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2ft | Measured, not scored 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) | 9.8µg/L | Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water. |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 60 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about East Corner of Big Valley Rancheria Marina Lake
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
- Konocti Vista Casino Resort and MarinaSemi-private
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
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Fishing East Corner of Big Valley Rancheria Marina Lake
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Frequently asked questions about East Corner of Big Valley Rancheria Marina Lake
Where is East Corner of Big Valley Rancheria Marina Lake?
- East Corner of Big Valley Rancheria Marina Lake is a lake in Lake County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of East Corner of Big Valley Rancheria Marina Lake?
- East Corner of Big Valley Rancheria Marina Lake in Lake County, California has water-quality measurements published by SWRCB, shown here as reported. Water clarity: 2 ft visibility. Chlorophyll-a (algae): 9.8 µg/L.
Is East Corner of Big Valley Rancheria Marina Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on East Corner of Big Valley Rancheria Marina Lake?
- East Corner of Big Valley Rancheria Marina Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Konocti Vista Casino Resort and Marina.
Can I fish at East Corner of Big Valley Rancheria Marina Lake?
- East Corner of Big Valley Rancheria Marina Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by California's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
95 measurements from 1 monitoring station, 2020–2026. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- Big Valley Band of Pomo Indians of the Big Valley Rancheria, California (Tribal)
CA_BVR95 samples · 2020–2026
Analytical methods
- Chlorophyll a
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory