Lago del Gallo
Lago del Gallo in Sondrio, Italy has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 5.5 m visibility. Phosphorus: 8.5 µg/L.
- Clarity
- 5.5 m
Why Lago del Gallo has no A–F grade
Lago del Gallo in Italy 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 water clarity and phosphorus, but not algae (chlorophyll-a).
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: the regional environmental agencies (ARPA Lombardia, ARPA Veneto, Arpae Emilia-Romagna, and ARPA Umbria).
Lago del Gallo is a lake in Sondrio County, Italy.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2021-10-20. 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 Lago del Gallo
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Crystal clear, you can see 17.9 ft down. Phosphorus level: 8.5 µg/L. Trophic State Index: 35.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.45 m | Not graded |
| Phosphorus | 8.5 µg/L | Not graded |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 35 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Lago del Gallo
Compare lakeside cabins, hotels, and vacation rentals near Lago del Gallo in Sondrio, Italy — 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 Lago del Gallo
Frequently asked questions about Lago del Gallo
What is the water quality of Lago del Gallo?
- Lago del Gallo in Sondrio, Italy has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 5.5 m visibility. Phosphorus: 8.5 µg/L.
Is Lago del Gallo safe to swim in?
- Lago del Gallo 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
8 measurements from 1 monitoring station, 2021. Retrieved from Italian regional ARPA lake monitoring (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- ARPA Lombardia
arpa-lom8 samples · 2021
Analytical methods
- ARPA Lombardia lake monitoring
Monitoring station identifiers (1)
POADDGLA1in1
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See methodology and data sources.
Data Sources
Water quality data from the EPA Water Quality Portal
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2021-10-20
Monitoring stations: 1