A Bridge Within the Oaks Keys on Blue Heron Drive Lake
A Bridge Within the Oaks Keys on Blue Heron Drive Lake in Lake County, California has a water quality grade of D (Nutrient-rich). Chlorophyll-a (algae): 20 µg/L.
- Type
- Eutrophic
Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near A Bridge Within the Oaks Keys on Blue Heron Drive Lake →
A Bridge Within the Oaks Keys on Blue Heron Drive Lake is a productive, nutrient-rich eutrophic lake in Lake County, California. Water quality is graded D based on 1 sampling years through 2026. Compared to the 35 other monitored lakes in Lake County, A Bridge Within the Oaks Keys on Blue Heron Drive Lake ranks #35 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2026-06-24. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyAlgae risk
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum
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Water Quality Grade: D (Nutrient-rich)
No clarity data. Chlorophyll-a: 20 µg/L. Trophic State Index: 60.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 20 µg/L | Poor |
| Trophic State Index (TSI) | 60 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near A Bridge Within the Oaks Keys on Blue Heron Drive Lake
Compare lakeside cabins, hotels, and vacation rentals near A Bridge Within the Oaks Keys on Blue Heron Drive Lake in Lake County, California — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around A Bridge Within the Oaks Keys on Blue Heron Drive Lake are listed below.
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Fishing A Bridge Within the Oaks Keys on Blue Heron Drive Lake
County Ranking
Ranked #35 of 36 lakes in Lake County
Nearby Lakes in Lake County
Frequently asked questions about A Bridge Within the Oaks Keys on Blue Heron Drive Lake
Where is A Bridge Within the Oaks Keys on Blue Heron Drive Lake?
- A Bridge Within the Oaks Keys on Blue Heron Drive Lake is a lake in Lake County, California. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for A Bridge Within the Oaks Keys on Blue Heron Drive Lake?
- A Bridge Within the Oaks Keys on Blue Heron Drive Lake in Lake County, California has a water quality grade of D (Nutrient-rich). Chlorophyll-a (algae): 20 µg/L.
Is A Bridge Within the Oaks Keys on Blue Heron Drive Lake safe to swim in?
- Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. A Bridge Within the Oaks Keys on Blue Heron Drive Lake has a water quality grade of D (Nutrient-rich). Algae concentration (chlorophyll-a) is 20 µg/L. Always check local health department advisories before swimming.
Explore A Bridge Within the Oaks Keys on Blue Heron Drive Lake across LakeGrade
More California Lake Rankings
Other Grade D Lakes in California
Eutrophic Lakes in California
Where this data comes from
105 measurements from 1 monitoring station, 2021–2026. 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_BVR105 samples · 2021–2026
Analytical methods
- Chlorophyll a
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.