Where is Embalse Barrendiola?

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

Is Embalse Barrendiola safe to swim in?

Embalse Barrendiola 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 Barrendiola

Gipuzkoa, SpainView map Directions

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

Clarity

3.2 m

Secchi · sampled 2025

Phosphorus

10 µg/L

Measured by URA

Chlorophyll-a

1.1 µg/L

Measured by URA

Limited data

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Embalse Barrendiola in Gipuzkoa, Spain has official water-quality measurements, shown as reported. Water clarity: 3.2 m visibility. Phosphorus: 10 µg/L. Chlorophyll-a (algae): 1.1 µg/L.

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How Embalse Barrendiola is classified

Embalse Barrendiola 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 Barrendiola 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 2025-11-11. Methodology: how these readings are compared.

What Embalse Barrendiola is good for

From access and monitoring records, not editorial picks.

Clear water10.4 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 Barrendiola 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 Barrendiola

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

Good clarity, visible to about 10.4 ft. Phosphorus 10 µg/L. Chlorophyll-a 1.1 µg/L. TSI 38.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	3.16m	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.	38	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

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

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

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Fishing Embalse Barrendiola

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

Frequently asked questions about Embalse Barrendiola

Where is Embalse Barrendiola?: Embalse Barrendiola is a lake in Gipuzkoa, Spain. This page reports official water-quality measurements, shown as reported.
What is the water quality of Embalse Barrendiola?: Embalse Barrendiola in Gipuzkoa, Spain has official water-quality measurements, shown as reported. Water clarity: 3.2 m visibility. Phosphorus: 10 µg/L. Chlorophyll-a (algae): 1.1 µg/L.
Is Embalse Barrendiola safe to swim in?: Embalse Barrendiola 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

16 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-es16 samples · —

Analytical methods

URA UBEGI reservoir monitoring

Monitoring station identifiers (1)

BAR-EMB

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