Embalse de Rules
Embalse de Rules in Andalucía, Spain has official water-quality measurements, not a LakeQuality A–F grade. Chlorophyll-a (algae): 2.1 µg/L.
Why Embalse de Rules has no A–F grade
Embalse de Rules in Spain is published with the authority's own measurements, not a LakeQuality letter. official authority class; not a LakeQuality A–F letter Sampling here has recorded algae (chlorophyll-a), but not water clarity and phosphorus.
A letter on the LakeQuality scale would be an invention, not an official class. Everything below that has been measured is still reported on this page.
Monitoring: URA (the Basque Water Agency) and published Andalusian reservoir campaigns.
Embalse de Rules is a lake in Andalucía County, Spain.
Source: URA (the Basque Water Agency) and published Andalusian reservoir campaigns — not the EPA Water Quality Portal, last sampled 2017-07-10. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Embalse de Rules
These readings exist but do not meet the evidence bar for an A–F grade — see why.
No clarity data. Chlorophyll-a: 2.1 µg/L. Trophic State Index: 38.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 2.1 µg/L | Not graded |
| Trophic State Index (TSI) | 38 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Embalse de Rules
Compare lakeside cabins, hotels, and vacation rentals near Embalse de Rules in Andalucía, Spain — 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.
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Fishing Embalse de Rules
Frequently asked questions about Embalse de Rules
What is the water quality of Embalse de Rules?
- Embalse de Rules in Andalucía, Spain has official water-quality measurements, not a LakeQuality A–F grade. Chlorophyll-a (algae): 2.1 µg/L.
Is Embalse de Rules safe to swim in?
- Embalse de Rules 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
2 measurements from 1 monitoring station, 2017. Retrieved from the listed programme (not the EPA Water Quality Portal). See data sources on 2026-08-20.
Collected and reported by
- León-Palmero et al. (PANGAEA)
pangaea-andalucia2 samples · —
Analytical methods
- PANGAEA 10.1594/PANGAEA.912535
Monitoring station identifiers (1)
Rules
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See how grades are calculated and data sources.