Where is Embalse Ibiur?

Embalse Ibiur is a lake in Gipuzkoa, Spain. This page reports official water-quality measurements, shown as reported.

Is Embalse Ibiur safe to swim in?

Embalse Ibiur 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.

Embalse Ibiur

Gipuzkoa, SpainView map Directions

URA publishes the water-quality measurements for Embalse Ibiur. Here is what has been measured.

Clarity

3.8 m

Secchi · sampled 2025

Phosphorus

10 µg/L

Measured by URA

Chlorophyll-a

1.1 µg/L

Measured by URA

Limited data

See the measurements Directions Where to stay

Embalse Ibiur in Gipuzkoa, Spain has official water-quality measurements, shown as reported. Water clarity: 3.8 m visibility. Phosphorus: 10 µg/L. Chlorophyll-a (algae): 1.1 µg/L.

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How Embalse Ibiur is classified

Embalse Ibiur 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 Ibiur is a lake in Gipuzkoa County, Spain.

Source: URA (the Basque Water Agency) and published Andalusian reservoir campaigns — not the EPA Water Quality Portal, last sampled 2025-11-12. Methodology: how these readings are compared.

What Embalse Ibiur is good for

From access and monitoring records, not editorial picks.

Clear water12.5 ft of visibility

Swimming conditions

No reading

Limited data

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

Whether Embalse Ibiur 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.

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Water quality measurements for Embalse Ibiur

These are the measurements URA publishes for Embalse Ibiur. More on the source.

Good clarity, visible to about 12.5 ft. Phosphorus 10 µg/L. Chlorophyll-a 1.1 µg/L. TSI 36.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	3.81m	Measured, not scored 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)	1.1µg/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.	36	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

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

Ask about Embalse Ibiur

Answers come straight from the public measurements and survey records on this page.

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Fishing Embalse Ibiur

→ Embalse Ibiur fishing regulations (limits, seasons, special rules)

Frequently asked questions about Embalse Ibiur

Where is Embalse Ibiur?: Embalse Ibiur is a lake in Gipuzkoa, Spain. This page reports official water-quality measurements, shown as reported.
What is the water quality of Embalse Ibiur?: Embalse Ibiur in Gipuzkoa, Spain has official water-quality measurements, shown as reported. Water clarity: 3.8 m visibility. Phosphorus: 10 µg/L. Chlorophyll-a (algae): 1.1 µg/L.
Is Embalse Ibiur safe to swim in?: Embalse Ibiur 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

14 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 Aguaura-es14 samples · —

Analytical methods

URA UBEGI reservoir monitoring

Monitoring station identifiers (1)

IBI-EMB

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