Albufeira Fronhas
PortugalView mapDirections
APA publishes the water-quality measurements for Albufeira Fronhas. Here is what has been measured.
- Limited data
Albufeira Fronhas in Portugal has official water-quality measurements, shown as reported. Phosphorus: 10 µg/L.
How Albufeira Fronhas is classified
Albufeira Fronhas in Portugal is published with the authority's own measurements and class. The measurements here are published by the agency that samples the lake, as reported. Sampling here has recorded phosphorus, but not water clarity and algae (chlorophyll-a).
LakeQuality publishes no grade of its own beside it. Everything below thathas been measured is reported on this page.
Monitoring: the Portuguese Environment Agency (APA), via UNEP GEMS/Water.
Albufeira Fronhas is a lake in Unknown County, Portugal.
Source: the Portuguese Environment Agency (APA), via UNEP GEMS/Water — not the EPA Water Quality Portal, last sampled 2023-10-10. 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 Albufeira Fronhas is safe to swim in today is a call for the Portuguese Environment Agency (APA), via UNEP GEMS/Water and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Albufeira Fronhas
These are the measurements APA publishes for Albufeira Fronhas. More on the source.
No clarity data. Phosphorus 10 µg/L. TSI 37.
| 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 | 10µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | No reading 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. | 37 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Albufeira Fronhas
Answers come straight from the public measurements and survey records on this page.
Stays via Stay22
Stays near Albufeira Fronhas
Compare lakeside cabins, hotels, and vacation rentals near Albufeira Fronhas in Portugal — 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.
Top-rated places to stay near Albufeira Fronhas
Prices for Oct 2–4, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Follow Albufeira Fronhas’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Albufeira Fronhas
Frequently asked questions about Albufeira Fronhas
Where is Albufeira Fronhas?
- Albufeira Fronhas is a lake in Portugal. This page reports official water-quality measurements, shown as reported.
What is the water quality of Albufeira Fronhas?
- Albufeira Fronhas in Portugal has official water-quality measurements, shown as reported. Phosphorus: 10 µg/L.
Is Albufeira Fronhas safe to swim in?
- Albufeira Fronhas has official nutrient and clarity measurements, not a bacteria swim class and not a safety clearance. Algal blooms, currents, and depth are not covered. Always check local notices before swimming.
Explore Albufeira Fronhas across LakeQuality
More lakes in Portugal
Where this data comes from
46 measurements from 1 monitoring station, 2016–2023. Retrieved from UNEP GEMS/Water GFQA (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- European Environment Agency
europeanenvironmentagenc46 samples · —
Analytical methods
- GEMStat OPEN / CC BY 4.0
Monitoring station identifiers (1)
PRT00053
Authority classifications are shown as the authority published them. See where the data comes from and data sources.