Invaso di Valfabbrica
Invaso di Valfabbrica in Perugia, Italy has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 38 µg/L.
Why Invaso di Valfabbrica has no A–F grade
Invaso di Valfabbrica 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 phosphorus, but not water clarity and 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).
Invaso di Valfabbrica is a lake in Perugia County, Italy.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2024-12-10. 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 Invaso di Valfabbrica
These readings exist but do not meet the evidence bar for an A–F grade — see why.
No clarity data. Phosphorus level: 38 µg/L. Trophic State Index: 57.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 38 µg/L | Not graded |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 57 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Invaso di Valfabbrica
Compare lakeside cabins, hotels, and vacation rentals near Invaso di Valfabbrica in Perugia, 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 Invaso di Valfabbrica
Frequently asked questions about Invaso di Valfabbrica
What is the water quality of Invaso di Valfabbrica?
- Invaso di Valfabbrica in Perugia, Italy has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 38 µg/L.
Is Invaso di Valfabbrica safe to swim in?
- Invaso di Valfabbrica 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
10 measurements from 1 monitoring station, 2023–2024. Retrieved from Italian regional ARPA lake monitoring (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- ARPA Umbria
arpa-umb10 samples · 2023–2024
Analytical methods
- ARPA Umbria lake monitoring
Monitoring station identifiers (1)
VLF1
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: 2024-12-10
Monitoring stations: 1