Where is Invaso di Valfabbrica?

Invaso di Valfabbrica is a lake in Perugia, Italy. This page reports official water-quality measurements, shown as reported.

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.

Invaso di Valfabbrica

Perugia, ItalyView map Directions

ARPA publishes the water-quality measurements for Invaso di Valfabbrica. Here is what has been measured.

Phosphorus

38 µg/L

More phosphorus than most

Measured by ARPA

Limited data

See the measurements Directions Where to stay

Invaso di Valfabbrica in Perugia, Italy has official water-quality measurements, shown as reported. Phosphorus: 38 µg/L.

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How Invaso di Valfabbrica is classified

Invaso di Valfabbrica in Italy 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 phosphorus, but not water clarity and algae (chlorophyll-a).

LakeQuality publishes no grade of its own beside it. Everything below thathas been measured is 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: the regional environmental agencies (ARPA Lombardia, ARPA Veneto, Arpae Emilia-Romagna, and ARPA Umbria) — not the EPA Water Quality Portal, last sampled 2024-12-10. Methodology: how these readings are compared.

Swimming conditions

No reading

Limited data

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

Whether Invaso di Valfabbrica is safe to swim in today is a call for the regional environmental agencies (ARPA Lombardia, ARPA Veneto, Arpae Emilia-Romagna, and ARPA Umbria) and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Invaso di Valfabbrica

These are the measurements ARPA publishes for Invaso di Valfabbrica. More on the source.

No clarity data. Phosphorus 38 µg/L. TSI 57.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)		No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	38µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)		No reading 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.	57	Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Invaso di Valfabbrica

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

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Stays 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

→ Invaso di Valfabbrica fishing regulations (limits, seasons, special rules)

Frequently asked questions about Invaso di Valfabbrica

Where is Invaso di Valfabbrica?: Invaso di Valfabbrica is a lake in Perugia, Italy. This page reports official water-quality measurements, shown as reported.
What is the water quality of Invaso di Valfabbrica?: Invaso di Valfabbrica in Perugia, Italy has official water-quality measurements, shown as reported. 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 Umbriaarpa-umb10 samples · 2023–2024

Analytical methods

ARPA Umbria lake monitoring

Monitoring station identifiers (1)

VLF1

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