Clear Lake A Mooring Ua
Clear Lake A Mooring Ua in Lake County, California has a water quality grade of D (Nutrient-rich). Phosphorus: 138 µg/L. Chlorophyll-a (algae): 8.7 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 Clear Lake A Mooring Ua →
Clear Lake A Mooring Ua is a productive, nutrient-rich eutrophic lake in Lake County, California. Water quality is graded D based on 2 sampling years through 2023. Compared to the 35 other monitored lakes in Lake County, Clear Lake A Mooring Ua ranks #18 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2023-09-21. Grade methodology: LakeGrade methodology.
Watch Clear Lake A Mooring Ua water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Grade onlyElevated nutrients
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
Water Quality Grade: D (Nutrient-rich)
No clarity data. Phosphorus level: 138 µg/L. Chlorophyll-a: 8.7 µg/L. Trophic State Index: 64.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 138 µg/L | Poor |
| Chlorophyll-a (Algae) | 8.7 µg/L | Fair |
| Trophic State Index (TSI) | 64 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Clear Lake A Mooring Ua
Compare lakeside cabins, hotels, and vacation rentals near Clear Lake A Mooring Ua 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 Clear Lake A Mooring Ua are listed below.
Top-rated places to stay near Clear Lake A Mooring Ua
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Fishing Clear Lake A Mooring Ua
County Ranking
Ranked #18 of 36 lakes in Lake County
Nearby Lakes in Lake County
Frequently asked questions about Clear Lake A Mooring Ua
Where is Clear Lake A Mooring Ua?
- Clear Lake A Mooring Ua 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 Clear Lake A Mooring Ua?
- Clear Lake A Mooring Ua in Lake County, California has a water quality grade of D (Nutrient-rich). Phosphorus: 138 µg/L. Chlorophyll-a (algae): 8.7 µg/L.
Is Clear Lake A Mooring Ua safe to swim in?
- Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Clear Lake A Mooring Ua has a water quality grade of D (Nutrient-rich). Algae concentration (chlorophyll-a) is 8.7 µg/L. Always check local health department advisories before swimming.
Explore Clear Lake A Mooring Ua across LakeGrade
More California Lake Rankings
Other Grade D Lakes in California
Eutrophic Lakes in California
Where this data comes from
37 measurements from 3 monitoring stations, 2020–2023. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- USGS California Water Science Center
USGS-CA37 samples · 2020–2023
Analytical methods
- P, wu, WCA, persulfate CF color
- Plant pigments, sonication & 445
- YSI Environmental, sensor 6136
Monitoring station identifiers (3)
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.