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Albufeira Caldeirao

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APA publishes the water-quality measurements for Albufeira Caldeirao. Here is what has been measured.

Phosphorus
11 µg/L
Measured by APA
  • Limited data

Albufeira Caldeirao in Portugal has official water-quality measurements, shown as reported. Phosphorus: 11 µg/L.

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How Albufeira Caldeirao is classified

Albufeira Caldeirao 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 Caldeirao 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 2023-12-05. Methodology: how these readings are compared.

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Albufeira Caldeirao 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.

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Water quality measurements for Albufeira Caldeirao

These are the measurements APA publishes for Albufeira Caldeirao. More on the source.

No clarity data. Phosphorus 11 µg/L. TSI 39.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)No reading

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus11µg/LMeasured, 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.39Oligotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Low nutrients, clear water. No reading is a swimming clearance.

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Fishing Albufeira Caldeirao

Frequently asked questions about Albufeira Caldeirao

Where is Albufeira Caldeirao?

Albufeira Caldeirao is a lake in Portugal. This page reports official water-quality measurements, shown as reported.

What is the water quality of Albufeira Caldeirao?

Albufeira Caldeirao in Portugal has official water-quality measurements, shown as reported. Phosphorus: 11 µg/L.

Measurements on this page ↑

Is Albufeira Caldeirao safe to swim in?

Albufeira Caldeirao 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.

Swimming on this page ↑

Where this data comes from

47 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 Agencyeuropeanenvironmentagenc47 samples · —

Analytical methods

  • GEMStat OPEN / CC BY 4.0
Monitoring station identifiers (1)
  • PRT00047

Authority classifications are shown as the authority published them. See where the data comes from and data sources.