Spain · lake bathing waters
Lake swimming in Spain: 2025 water quality
Spain reported 109 lake bathing waters for the 2025 season. 79.8% were classified Excellent — 6.8 points below the 86.6% for all 2,296 bathing waters in the country — and 4 were Poor. 45 sites have been Excellent in every season from 2015 to 2025. Among the 19 countries with at least 30 lake bathing waters, Spain ranks 13 by Excellent share.
109
lake bathing waters
79.8%
Excellent in 2025
4
Poor in 2025
Annual, not live: the 2025 class summarises several seasons of sampling. It does not show today’s pollution, algae or bans.
Find the nearest Excellent lake to you →
Map of lake bathing waters
Excellent 87Good 11Sufficient 3Poor 4Not classified 4
How lake bathing waters in Spain rated since 2015
Counts for the sites in today’s 2025 inventory; the Excellent share is calculated over classified sites only.
| Season | Classified | Excellent | Excellent share | Poor |
|---|---|---|---|---|
| 2025 | 105 | 87 | 82.9% | 4 |
| 2024 | 102 | 86 | 84.3% | 4 |
| 2023 | 104 | 89 | 85.6% | 3 |
| 2022 | 101 | 88 | 87.1% | 3 |
| 2021 | 94 | 80 | 85.1% | 1 |
| 2020 | 89 | 76 | 85.4% | 0 |
| 2019 | 88 | 73 | 83% | 1 |
| 2018 | 88 | 67 | 76.1% | 2 |
| 2017 | 82 | 64 | 78% | 1 |
| 2016 | 81 | 60 | 74.1% | 1 |
| 2015 | 79 | 66 | 83.5% | 0 |
Most consistent Excellent lakes
45 sites were Excellent in all eleven seasons. Ordered by the length of the unbroken Excellent run ending in 2025; the first 60 are shown.
- EMBALSE AGUILAR DE CAMPOO AGUILAR DE CAMPOO PM1 11 seasons
- EMBALSE ALCORLO TOBA (LA) PM1 11 seasons
- EMBALSE ALLOZ GUES?LAZ/GESALATZ PM1 11 seasons
- EMBALSE AS CONCHAS BANDE PM1 11 seasons
- EMBALSE AS CONCHAS MU??OS PM1 11 seasons
- EMBALSE BANYOLES BANYOLES PM2 11 seasons
- EMBALSE BERMEJALES ARENAS DEL REY PM1 11 seasons
- EMBALSE BUENDIA BUEND?A 02 PM1 11 seasons
- EMBALSE BUENDIA BUEND?A PM1 11 seasons
- EMBALSE CUERDA DEL POZO CIDONES PM1 11 seasons
- EMBALSE CUERDA DEL POZO SORIA PM1 11 seasons
- EMBALSE CUERDA DEL POZO SORIA PM2 11 seasons
- EMBALSE CUERDA DEL POZO VINUESA PM1 11 seasons
- EMBALSE DE CASTRELO CASTRELO DE MI?O PM1 11 seasons
- EMBALSE DE RUESGA CERVERA DE PISUERGA PM1 11 seasons
- EMBALSE ENTREPE?AS ALOC?N 02 PM1 11 seasons
- EMBALSE ENTREPE?AS PAREJA 02 PM1 11 seasons
- EMBALSE GONZ?LEZ-LACASA ORTIGOSA DE CAMEROS PM1 11 seasons
- EMBALSE JOAQUIN COSTA PUEBLA DE CASTRO (LA) PM1 11 seasons
- EMBALSE ORELLANA ORELLANA LA VIEJA PM1 11 seasons
- EMBALSE RIO EUME PONTES DE GARC?A RODR?GUEZ (AS) PM1 11 seasons
- EMBALSE SAN JUAN SAN MART?N DE VALDEIGLESIAS PM1 11 seasons
- EMBALSE SAN JUAN SAN MART?N DE VALDEIGLESIAS PM2 11 seasons
- EMBALSE SANT ANTONI CONCA DE DALT PM1 11 seasons
- EMBALSE SANT ANTONI SAL?S DE PALLARS PM1 11 seasons
- EMBALSE SANT ANTONI TALARN PM1 11 seasons
- EMBALSE ULLIBARRI GAMBOA ARRAZUA-UBARRUNDIA 02 PM1 11 seasons
- EMBALSE ULLIBARRI GAMBOA ARRAZUA-UBARRUNDIA 03 PM1 11 seasons
- EMBALSE ULLIBARRI GAMBOA ARRAZUA-UBARRUNDIA 04 PM1 11 seasons
- EMBALSE ULLIBARRI GAMBOA BARRUNDIA 02 PM1 11 seasons
- EMBALSE ULLIBARRI GAMBOA ELBURGO/BURGELU PM1 11 seasons
- EMBALSE VALPARAISO VILLARDECIERVOS PM1 11 seasons
- LAGO CARUCEDO CARUCEDO PM1 11 seasons
- LAGO SANABRIA GALENDE PM1 11 seasons
- LAGO SANABRIA GALENDE PM2 11 seasons
- LAGO SANABRIA GALENDE PM3 11 seasons
- LAGO SANABRIA GALENDE PM4 11 seasons
- LAGUNA EL TOBAR BETETA PM1 11 seasons
- LAGUNA ENTRELAGOS RUIDERA PM1 11 seasons
- LAGUNA LA SALVADORA OSSA DE MONTIEL PM1 11 seasons
- LAGUNA SAN PEDRA OSSA DE MONTIEL 02 PM1 11 seasons
- LAGUNA SAN PEDRA OSSA DE MONTIEL 03 PM1 11 seasons
- PANTANO EMBALSE CARBONERAS BRAZATORTAS PM1 11 seasons
- RIO MI?O OURENSE PM1 11 seasons
- RIO MI?O SAVI?AO (O) PM1 11 seasons
- EMBALSE ALLOZ GUES?LAZ/GESALATZ PM2 10 seasons
- EMBALSE CHANDREXA CHANDREXA DE QUEIXA PM1 10 seasons
- LAGO ARTIFICIAL PONTES DE GARC?A RODR?GUEZ (AS) PM1 10 seasons
- RIO MI?O CASTRELO DE MI?O PM1 9 seasons
- EMBALSE CUBILLAS ALBOLOTE PM1 8 seasons
- EMBALSE DE ALQUEVA CHELES PM1 8 seasons
- EMBALSE PRADA VEIGA (A) 02 PM1 8 seasons
- LAGUNA PLAYA-MONTE NAVARR?S PM1 8 seasons
- LAGUNA SANTO MORCILLO OSSA DE MONTIEL PM2 8 seasons
- BALSA EL PULGUER TUDELA PM1 7 seasons
- EMBALSE BRE?A ,LA) ALMOD?VAR DEL R?O PM1 7 seasons
- EMBALSE CONDE DE GUADALHORCE ARDALES PM2 7 seasons
- EMBALSE PRADA VEIGA (A) PM1 7 seasons
- LAGUNA DEL REY RUIDERA PM1 7 seasons
- EMBALSE ARCOS ARCOS DE LA FRONTERA PM1 6 seasons
Lakes rated Poor in 2025
- LAGUNA LA TOMILLA OSSA DE MONTIEL PM1 Poor in 1 of 11 classified seasons
- LAGUNA VILLAFRANCA VILLAFRANCA DE LOS CABALLEROS 03 PM1 Poor in 4 of 8 classified seasons
- LAGUNA VILLAFRANCA VILLAFRANCA DE LOS CABALLEROS 04 PM1 Poor in 3 of 8 classified seasons
- RIO ARROYOMOLINOS ZAHARA PM1 Poor in 2 of 11 classified seasons
Changes from 2024 to 2025
Improved (5)
- EMBALSE BANYOLES BANYOLES PM1 Sufficient → Good
- EMBALSE ESTANCA DE ALCANIZ ALCA IZ PM1 Poor → Sufficient
- EMBALSE LINARES DEL ARROYO MADERUELO PM1 Good → Excellent
- EMBALSE ZUJAR CASTUERA 02 PM1 Good → Excellent
- LAGUNA LA MORENILLA RUIDERA PM1 Good → Excellent
Declined (6)
- EMBALSE EBRO ARIJA PM1 Excellent → Good
- EMBALSE LA LOTETA LUCENI PM1 Excellent → Good
- EMBALSE LA TOBA CUENCA PM1 Excellent → Good
- EMBALSE RIO GUADAMATILLAS VISO (EL) PM1 Excellent → Good
- EMBALSE ROMANO PROSERPINA M?RIDA PM1 Excellent → Good
- LAGUNA LA TOMILLA OSSA DE MONTIEL PM1 Sufficient → Poor
Lake bathing waters by autonomous community
| Autonomous community | Sites | Excellent | Poor |
|---|---|---|---|
| Castilla–La Mancha | 25 | 72% | 3 |
| Castile and León | 17 | 76.5% | 0 |
| Andalusia | 13 | 84.6% | 1 |
| Galicia | 12 | 91.7% | 0 |
| Extremadura | 11 | 81.8% | 0 |
| Aragon | 10 | 50% | 0 |
| Navarre | 7 | 100% | 0 |
| Basque Country | 5 | 100% | 0 |
| Catalonia | 5 | 80% | 0 |
Autonomous communities 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:
- Malaga 3 lake bathing waters within 60 km
- Madrid 2 lake bathing waters within 60 km
- Valencia 1 lake bathing waters within 60 km
Lakes compared across Europe
| # | Country | Sites | Excellent | Poor |
|---|---|---|---|---|
| 1 | Austria | 254 | 96.9% | 1 |
| 2 | Finland | 211 | 95.7% | 0 |
| 3 | Denmark | 123 | 94.3% | 0 |
| 4 | Germany | 1,893 | 91.8% | 3 |
| 5 | Lithuania | 80 | 91.3% | 0 |
| 6 | Czechia | 62 | 90.3% | 0 |
| 7 | Portugal | 49 | 89.8% | 1 |
| 8 | Italy | 673 | 88.4% | 5 |
| 9 | France | 845 | 86.7% | 15 |
| 10 | Switzerland | 135 | 86.7% | 4 |
| 11 | Sweden | 210 | 82.4% | 6 |
| 12 | Estonia | 30 | 80% | 0 |
| 13 | Spain | 109 | 79.8% | 4 |
| 14 | Belgium | 77 | 79.2% | 1 |
| 15 | Netherlands | 587 | 70.5% | 26 |
| 16 | Slovakia | 40 | 70% | 0 |
| 17 | Hungary | 247 | 69.6% | 3 |
| 18 | Croatia | 34 | 67.6% | 0 |
| 19 | Poland | 489 | 60.1% | 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 Spain are rated Excellent?
- 87 of 109 (79.8%) in the 2025 EEA classification.
- Which lakes in Spain have the best long-term record?
- 45 sites were Excellent in every season from 2015 to 2025, for example EMBALSE AGUILAR DE CAMPOO AGUILAR DE CAMPOO PM1, EMBALSE ALCORLO TOBA (LA) PM1, EMBALSE ALLOZ GUES?LAZ/GESALATZ PM1. See the full list.
- Can I check current conditions?
- The annual class is not a live status. Current results and bans are published on NÁYADE (Ministry of Health). Each site page on BathingWaterFinder also shows a weather forecast, including heavy-rain warnings.
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