Embalse Ullibarri
Araba/Ãlava, SpainView mapDirections
URA publishes the water-quality measurements for Embalse Ullibarri. Here is what has been measured.
- Limited data
Embalse Ullibarri in Araba/Ãlava, Spain has official water-quality measurements, shown as reported. Water clarity: 3.1 m visibility. Phosphorus: 26 µg/L. Chlorophyll-a (algae): 2.3 µg/L.
How Embalse Ullibarri is classified
Embalse Ullibarri in Spain 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 water clarity, phosphorus and algae (chlorophyll-a).
LakeQuality publishes no grade of its own beside it. Everything below thathas been measured is reported on this page.
Monitoring: URA (the Basque Water Agency) and published Andalusian reservoir campaigns.
Embalse Ullibarri is a lake in Araba/Ãlava County, Spain.
Source: URA (the Basque Water Agency) and published Andalusian reservoir campaigns — not the EPA Water Quality Portal, last sampled 2025-11-06. Methodology: how these readings are compared.
What Embalse Ullibarri is good for
From access and monitoring records, not editorial picks.
- Clear water10.2 ft of visibility
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Embalse Ullibarri is safe to swim in today is a call for URA (the Basque Water Agency) and published Andalusian reservoir campaigns and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Embalse Ullibarri
These are the measurements URA publishes for Embalse Ullibarri. More on the source.
Good clarity, visible to about 10.2 ft. Phosphorus 26 µg/L. Chlorophyll-a 2.3 µg/L. TSI 44.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3.11m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 26µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 2.3µg/L | Measured, not scored 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. | 44 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Embalse Ullibarri
Answers come straight from the public measurements and survey records on this page.
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Frequently asked questions about Embalse Ullibarri
Where is Embalse Ullibarri?
- Embalse Ullibarri is a lake in Araba/Ãlava, Spain. This page reports official water-quality measurements, shown as reported.
What is the water quality of Embalse Ullibarri?
- Embalse Ullibarri in Araba/Ãlava, Spain has official water-quality measurements, shown as reported. Water clarity: 3.1 m visibility. Phosphorus: 26 µg/L. Chlorophyll-a (algae): 2.3 µg/L.
Is Embalse Ullibarri safe to swim in?
- Embalse Ullibarri 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.
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Where this data comes from
20 measurements from 1 monitoring station, 2024–2025. Retrieved from the listed programme (not the EPA Water Quality Portal). See data sources on 2026-08-20.
Collected and reported by
- URA / Agència Vasca del Agua
ura-es20 samples · —
Analytical methods
- URA UBEGI reservoir monitoring
Monitoring station identifiers (1)
ULL-EMB
Authority classifications are shown as the authority published them. See where the data comes from and data sources.