Where is Lago di Lugano?

Lago di Lugano is a lake in Varese, Italy. This page reports official water-quality measurements, shown as reported.

Is Lago di Lugano safe to swim in?

Lago di Lugano 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.

Lago di Lugano

Varese, ItalyView map Directions

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

Clarity

4.5 m

Clearer than most

Secchi · sampled 2021

Phosphorus

12.6 µg/L

Typical for Italy

Measured by ARPA

Limited data

See the measurements Directions Where to stay

Lago di Lugano in Varese, Italy has official water-quality measurements, shown as reported. Water clarity: 4.5 m visibility. Phosphorus: 12.6 µg/L.

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How Lago di Lugano is classified

Lago di Lugano 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 water clarity and phosphorus, but not 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).

Lago di Lugano is a lake in Varese 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 2021-11-23. Methodology: how these readings are compared.

What Lago di Lugano is good for

From access and monitoring records, not editorial picks.

Clear water14.8 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 Lago di Lugano 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 Lago di Lugano

These are the measurements ARPA publishes for Lago di Lugano. More on the source.

Good clarity, visible to about 14.8 ft. Phosphorus 12.6 µg/L. TSI 40.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	4.5m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	12.6µg/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.	40	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

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

Ask about Lago di Lugano

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

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Stays near Lago di Lugano

Compare lakeside cabins, hotels, and vacation rentals near Lago di Lugano in Varese, 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.

Top-rated places to stay near Lago di Lugano

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Fishing Lago di Lugano

→ Lago di Lugano fishing regulations (limits, seasons, special rules)

Frequently asked questions about Lago di Lugano

Where is Lago di Lugano?: Lago di Lugano is a lake in Varese, Italy. This page reports official water-quality measurements, shown as reported.
What is the water quality of Lago di Lugano?: Lago di Lugano in Varese, Italy has official water-quality measurements, shown as reported. Water clarity: 4.5 m visibility. Phosphorus: 12.6 µg/L.
Is Lago di Lugano safe to swim in?: Lago di Lugano 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.

Explore Lago di Lugano across LakeQuality

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Where this data comes from

113 measurements from 3 monitoring stations, 2018–2021. Retrieved from Italian regional ARPA lake monitoring (not the EPA Water Quality Portal) on 2026-08-16.

Collected and reported by

ARPA Lombardiaarpa-lom113 samples · 2018–2021

Analytical methods

ARPA Lombardia lake monitoring

Monitoring station identifiers (3)

POTILULN1in1
POTILULN3in1
POTILULN2in1

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