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Lake swimming in Italy: 2025 water quality

Italy reported 673 lake bathing waters for the 2025 season. 88.4% were classified Excellent — 1.4 points below the 89.8% for all 5,535 bathing waters in the country — and 5 were Poor. 516 sites have been Excellent in every season from 2015 to 2025. Among the 19 countries with at least 30 lake bathing waters, Italy ranks 8 by Excellent share.

673

lake bathing waters

88.4%

Excellent in 2025

5

Poor in 2025

Annual, not live: the 2025 class summarises several seasons of sampling. It does not show today’s pollution, algae or bans.
Where to check today's status in Italy

Ministry of Health, the Regions, ARPA agencies and municipalities

Official bathing season: Set by each Region. Municipalities issue bathing bans; the portal shows each site’s classification and any current ban.

Annual EEA classes on this site do not show temporary bans, short-term pollution or algae alerts. Those are published by the competent authority. National information last checked 2026-11-01.

Portale Acque (Ministry of Health) →

Find the nearest Excellent lake to you →

Map of lake bathing waters

Excellent 595Good 49Sufficient 16Poor 5Not classified 8
LombardyLazioPiedmontVenetoTrentinoUmbriaSouth Tyrol (Bolzano)TuscanyAbruzzoFriuli-Venezia GiuliaEmilia-RomagnaSardiniaCampaniaLiguriaAosta Valley
How to read this map: Each dot is one official bathing water, coloured by its 2025 rating. Coloured areas are the regions; region names link to their pages. Sea and large lakes are blue, neighbouring countries grey. Positions: official EEA coordinates. Boundaries: Eurostat NUTS 2024, generalised (© EuroGeographics); lakes: Natural Earth. Outlines are simplified, so a few shoreline dots can sit just offshore.

How lake bathing waters in Italy rated since 2015

Counts for the sites in today’s 2025 inventory; the Excellent share is calculated over classified sites only.

SeasonClassifiedExcellentExcellent sharePoor
202566559589.5%5
202466659989.9%4
202366059189.5%5
202265558789.6%10
202165257688.3%8
202064858790.6%7
201964659892.6%5
201863959493%8
201763359093.2%3
201662658893.9%3
201562258594.1%0

Most consistent Excellent lakes

516 sites were Excellent in all eleven seasons. Ordered by the length of the unbroken Excellent run ending in 2025; the first 60 are shown.

  1. 1200 MT DX MUSEO NAVI 11 seasons
  2. 1300 MT DX PUNTA IL PIZZO 11 seasons
  3. 200 MT DX LA BUSSOLA 11 seasons
  4. 2000 MT DX MUSEO NAVI 11 seasons
  5. 250 MT DX FOCE FOSSO CASACCI 11 seasons
  6. 250 MT DX FOCE FOSSO CONCA 11 seasons
  7. 250 MT DX FOCE FOSSO DEI QUADRI 11 seasons
  8. 250 MT DX FOCE FOSSO DEL DIAVOLO 11 seasons
  9. 250 MT DX FOCE FOSSO DELLA FIORA 11 seasons
  10. 250 MT DX FOCE FOSSO DELLA MOLE 11 seasons
  11. 250 MT DX FOCE FOSSO GROTTA RENARA 11 seasons
  12. 250 MT DX FOCE FOSSO VICARELLO 11 seasons
  13. 250 MT SX CHIOSCO PIAZZETTA ANGUILLARA 11 seasons
  14. 250 MT SX FOCE FOSSO CASACCI 11 seasons
  15. 250 MT SX FOCE FOSSO DEI QUADRI 11 seasons
  16. 250 MT SX FOCE FOSSO DEL DIAVOLO 11 seasons
  17. 250 MT SX FOCE FOSSO DELLA FIORA 11 seasons
  18. 250 MT SX FOCE FOSSO DELLA MOLE 11 seasons
  19. 250 MT SX FOCE FOSSO GROTTA RENARA 11 seasons
  20. 250 MT SX FOCE FOSSO VICARELLO 11 seasons
  21. 350 MT SX EMISSARIO ARRONE 11 seasons
  22. 400 MT DX CONFINE C. DI BRACCIANO 11 seasons
  23. 400 MT SX PUNTA IL PIZZO 11 seasons
  24. 400 MT. DX FOSSO SPINETTO 11 seasons
  25. 5 ARCATE 11 seasons
  26. 500 MT SX PUNTA DEL LAGO 11 seasons
  27. 500 MT. DX FOSSO MELONA 11 seasons
  28. ACQUE FREDDE 11 seasons
  29. ALBAIA 11 seasons
  30. ALTEZZA RUDERI 11 seasons
  31. ANGHER 11 seasons
  32. ANSA DELLA RISERVA 11 seasons
  33. ANTISTANTE BOCCA DEL LAGO 11 seasons
  34. ANTISTANTE CAMPEGGIO 11 seasons
  35. ANTISTANTE CHIESETTA DEL LAGO 11 seasons
  36. ANTISTANTE LOCALITA' ACQUAVIVA 11 seasons
  37. ANTISTANTE LOCALITA' SPIAGGETTA 11 seasons
  38. ARA MARINA 11 seasons
  39. AREA VERDE COMUNALE 11 seasons
  40. AROLO 11 seasons
  41. ATTRACCO TENGATTINI 11 seasons
  42. BAGNANA 11 seasons
  43. BAGNI COMUNALI E MARINELLA 11 seasons
  44. BAGNI GHIGLIOTTA 11 seasons
  45. BAGNI LAC ET SOLEIL 11 seasons
  46. BAGNI MASSERIA 11 seasons
  47. BAGNI MOIA 11 seasons
  48. BAGNI PEPPE 11 seasons
  49. BAIA DEL VENTO 11 seasons
  50. BAIA DELLE SIRENE 11 seasons
  51. BAR ALBERELLO 11 seasons
  52. BAR BIALI' 11 seasons
  53. BAR MARCELLO 11 seasons
  54. BARACCON 11 seasons
  55. BILANCINO - NEBBIAIA EST 11 seasons
  56. BILANCINO - SIEVE 11 seasons
  57. BOCCHETTA 11 seasons
  58. BRANCOLINO 11 seasons
  59. C.B. RIVOLTELLA 11 seasons
  60. C.B.DESENZANO 11 seasons

Lakes rated Poor in 2025

Changes from 2024 to 2025

Improved (18)

Declined (20)

Lake bathing waters by region

RegionSitesExcellentPoor
Lombardy27086.7%5
Lazio13697.8%0
Piedmont8764.4%0
Veneto78100%0
Trentino4092.5%0
Umbria21100%0
Tuscany887.5%0
Marche875%0
Abruzzo875%0
Friuli-Venezia Giulia4100%0

Regions with at least three lake bathing waters; counts include only this water type.

Near which major cities?

Sites within 60 km (straight line) of a major city covered by our city guides:

Lakes compared across Europe

#CountrySitesExcellentPoor
1Austria25496.9%1
2Finland21195.7%0
3Denmark12394.3%0
4Germany1,89391.8%3
5Lithuania8091.3%0
6Czechia6290.3%0
7Portugal4989.8%1
8Italy67388.4%5
9France84586.7%15
10Switzerland13586.7%4
11Sweden21082.4%6
12Estonia3080%0
13Spain10979.8%4
14Belgium7779.2%1
15Netherlands58770.5%26
16Slovakia4070%0
17Hungary24769.6%3
18Croatia3467.6%0
19Poland48960.1%5

Countries with at least 30 lake bathing waters. Networks differ in size and in how sites are designated, so this is a descriptive comparison, not a safety ranking.

Quick answers

How many lake bathing waters in Italy are rated Excellent?
595 of 673 (88.4%) in the 2025 EEA classification.
Which lakes in Italy have the best long-term record?
516 sites were Excellent in every season from 2015 to 2025, for example 1200 MT DX MUSEO NAVI, 1300 MT DX PUNTA IL PIZZO, 200 MT DX LA BUSSOLA. See the full list.
Can I check current conditions?
The annual class is not a live status. Current results and bans are published on Portale Acque (Ministry of Health). Each site page on BathingWaterFinder also shows a weather forecast, including heavy-rain warnings.

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