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A Bridge Within the Oaks Keys on Blue Heron Drive Lake

D
Grade D — Nutrient-rich
Nutrient-rich · #35 of 36 lakes in the county · Eutrophic
Eutrophic

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

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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 only

Algae 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

Get alerts for A Bridge Within the Oaks Keys on Blue Heron Drive Lake

Water Quality Grade: D (Nutrient-rich)

No clarity data. Chlorophyll-a: 20 µg/L. Trophic State Index: 60.

MetricValueGrade
Water Clarity (Secchi Depth)No recent samples
PhosphorusNo recent samples
Chlorophyll-a (Algae)20 µg/LPoor
Trophic State Index (TSI)60Eutrophic

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.

Top-rated places to stay near A Bridge Within the Oaks Keys on Blue Heron Drive Lake

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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.

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.