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LakeQuality

Lakes in Estonia

Find lakes in Estonia: 30 designated lake bathing waters classified under the EU Bathing Water Directive. 24 are rated Excellent for 2025.

The same country also has official phosphorus, chlorophyll-a, and Secchi for 101 named lakes, sampled 2016–2025. Those are nutrient and clarity readings, a different measurement from the Directive's bacteria class.

Updated 2025

Excellent: 24Good: 4Sufficient: 1Not classified: 1

Lake map

Map shows 131 lakes with coordinates · list below has 110

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Best-rated lakes to swim in Estonia

Officially classified Excellent for the 2025 bathing season, ranked by how often that class has held. Full best-lakes list →

  1. Harku RandExcellent · Excellent 11/11 seasons
  2. Kauksi RandExcellent · Excellent 11/11 seasons
  3. Kubija JärvExcellent · Excellent 11/11 seasons
  4. Kuremaa JärvExcellent · Excellent 11/11 seasons
  5. Matsimäe JärvExcellent · Excellent 11/11 seasons
  6. NikerjärvExcellent · Excellent 11/11 seasons
  7. PühajärvExcellent · Excellent 11/11 seasons
  8. Purgatsi JärvExcellent · Excellent 11/11 seasons
  9. Rava PaisjärvExcellent · Excellent 11/11 seasons
  10. Riiska JärvExcellent · Excellent 11/11 seasons
  11. Tamula JärvExcellent · Excellent 11/11 seasons
  12. VäinjärvExcellent · Excellent 11/11 seasons
  13. Vanamõisa JärvExcellent · Excellent 11/11 seasons
  14. Viljandi JärvExcellent · Excellent 11/11 seasons
  15. KarujärvExcellent · Excellent 9/9 seasons

Every rated bathing water in Estonia

Places in Estonia

Named lakes

LakePlaceTotal phosphorusChlorophyll-aSecchiYear
Aheru JärvValga44 µg/L25 µg/L1.1 m2023
ÄhijärvValga32 µg/L12 µg/L1.9 m2025
AhnejärvIda-Viru13 µg/L4.1 µg/L3.0 m2025
Aidu JärvIda-Viru20 µg/L——2021
Elistvere JärvTartu31 µg/L14 µg/L1.4 m2025
Endla JärvJõgeva34 µg/L6.1 µg/L1.2 m2025
Ermistu JärvPärnu23 µg/L5.3 µg/L1.6 m2023
Harku JärvHarju130 µg/L125 µg/L0.3 m2024
Hindaste JärvLääne12 µg/L1.7 µg/L0.6 m2021
Hino JärvVõru21 µg/L7.1 µg/L2.5 m2023
Järise JärvSaare20 µg/L4.3 µg/L0.8 m2024
Jõemõisa JärvJõgeva60 µg/L39 µg/L1.4 m2021
Jõksi JärvPõlva22 µg/L3.4 µg/L2.0 m2025
Kahala JärvHarju47 µg/L9.1 µg/L1.1 m2024
Kaiavere JärvJõgeva43 µg/L34 µg/L1.0 m2023
Kaisma JärvPärnu23 µg/L2.7 µg/L1.1 m2023
Kaiu JärvJõgeva52 µg/L29 µg/L0.9 m2021
Kalli JärvTartu38 µg/L7.1 µg/L1.0 m2020
KarijärvTartu36 µg/L12 µg/L1.6 m2025
Kariste JärvViljandi65 µg/L30 µg/L1.4 m2023
KarujärvSaare11 µg/L1.5 µg/L4.6 m2024
Käsmu JärvLääne-Viru67 µg/L18 µg/L1.0 m2025
Keeri JärvTartu49 µg/L30 µg/L1.3 m2021
KirikulahtHiiu46 µg/L6.3 µg/L0.8 m2024
Kirikumäe JärvVõru25 µg/L11 µg/L1.3 m2022
Klooga JärvHarju31 µg/L4.5 µg/L1.5 m2024
Koigi JärvSaare36 µg/L2.3 µg/L0.3 m2024
Konsu JärvIda-Viru18 µg/L3.4 µg/L2.4 m2025
Kooru JärvSaare15 µg/L1.5 µg/L0.8 m2025
Koosa JärvTartu45 µg/L7.8 µg/L1.1 m2020
KöstrijärvValga33 µg/L6.9 µg/L1.6 m2024
KuradijärvIda-Viru32 µg/L23 µg/L1.8 m2025
Kuremaa JärvJõgeva27 µg/L4.4 µg/L3.0 m2024
Lahepera JärvTartu44 µg/L5.6 µg/L1.4 m2020
Laialepa LahtSaare47 µg/L17 µg/L0.8 m2024
Lavassaare JärvPärnu84 µg/L92 µg/L0.2 m2019
Leego JärvTartu67 µg/L13 µg/L0.6 m2020
LinnulahtSaare36 µg/L3.8 µg/L1.0 m2024
Lohja JärvHarju98 µg/L29 µg/L0.6 m2025
Lõõdla JärvVõru29 µg/L13 µg/L2.1 m2023
Loosalu JärvRapla75 µg/L8.1 µg/L0.9 m2024
Maardu JärvHarju46 µg/L13 µg/L2.1 m2025
Mäeküla JärvViljandi54 µg/L21 µg/L1.5 m2025
Maheda JärvLääne-Viru70 µg/L——2022
Männiku JärvHarju20 µg/L3.6 µg/L3.0 m2024
Martiska JärvIda-Viru23 µg/L12 µg/L3.0 m2025
Meelva JärvPõlva78 µg/L17 µg/L0.4 m2023
MõisalahtPärnu53 µg/L9.8 µg/L1.0 m2020
Mullutu LahtSaare26 µg/L5.8 µg/L0.8 m2024
Murati JärvVõru35 µg/L9.9 µg/L1.1 m2023
Mustanina KarjäärIda-Viru20 µg/L——2020
MustjärvPõlva37 µg/L7.7 µg/L0.4 m2025
Narva VeehoidlaIda-Viru43 µg/L15 µg/L0.6 m2025
Nigula JärvPärnu110 µg/L28 µg/L0.9 m2022
Nõuni JärvValga22 µg/L3.6 µg/L4.2 m2021
Oessaare LahtSaare29 µg/L4.3 µg/L0.8 m2024
Ohepalu JärvLääne-Viru925 µg/L26 µg/L0.5 m2025
Õisu JärvViljandi40 µg/L17 µg/L1.4 m2025
Pabra JärvVõru22 µg/L3.6 µg/L1.6 m2022
Pangodi JärvTartu36 µg/L12 µg/L1.9 m2023
Parika JärvViljandi23 µg/L3.3 µg/L0.8 m2020
Paunküla VeehoidlaHarju25 µg/L6.6 µg/L3.0 m2021
Peipsi JärvIda-Viru46 µg/L20 µg/L1.2 m2025
PikkjärvJõgeva34 µg/L11 µg/L1.7 m2023
PikkjärvLääne-Viru26 µg/L7.3 µg/L3.5 m2025
PühajärvValga29 µg/L7.6 µg/L2.7 m2025
Pulli JärvVõru30 µg/L18 µg/L1.2 m2022
Püssi PaisjärvIda-Viru28 µg/L——2020
Raigastvere JärvJõgeva31 µg/L21 µg/L1.4 m2025
Raku JärvHarju34 µg/L10 µg/L2.5 m2021
Riimi MeriLääne24 µg/L——2024
RuhijärvViljandi31 µg/L4.9 µg/L1.8 m2023
Rummu JärvHarju11 µg/L1.0 µg/L8.8 m2024
SaadjärvTartu16 µg/L1.8 µg/L4.8 m2016
Saare JärvJõgeva44 µg/L21 µg/L1.6 m2024
SinijärvLääne-Viru10 µg/L1.0 µg/L6.3 m2024
SoitsjärvTartu23 µg/L9.0 µg/L2.8 m2016
Sutlepa MeriLääne33 µg/L6.2 µg/L0.8 m2024
SuurjärvVõru20 µg/L3.4 µg/L2.9 m2025
SuurjärvPõlva28 µg/L3.5 µg/L1.6 m2025

Showing 80 of 101 named lakes. Open a county or place page for the rest.

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Frequently asked questions

Which lakes in Estonia are best to swim in?
24 of 30 designated bathing waters in Estonia are rated Excellent for 2025 under the EU Bathing Water Directive. That class measures E. coli and intestinal enterococci only — it is not a safety clearance.
Is it safe to swim in Estonia lakes?
The official class is a bacteriological rating, not a safety clearance. It does not cover algal blooms, nutrients, water clarity, currents, or depth. Conditions change after heavy rain. Check local signage and the operator's current notices before entering the water.
How is lake water quality measured in Estonia?
101 named lakes in Estonia have official phosphorus, chlorophyll-a, and Secchi from the Estonian Environment Agency (Keskkonnaagentuur), 2016–2025. These are the authority's own measurements, shown as reported.
Whose ratings do the Estonia lake pages show?
The publishing authority's own. Pages for lakes in Estonia show the values and classes that authority reports, with the season or year each was taken.

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Best lakes in Estonia

Excellent-rated bathing waters

Clearest lakes in Estonia

Named lakes ranked by Secchi

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Water quality for lakes in Bulgaria

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Water quality for lakes in Greece

Lakes in Romania

Water quality for lakes in Romania

Where to stay near Estonia

Lakeside cabins, hotels, and vacation rentals near Estonia — live availability from Booking.com, Vrbo and Expedia.

Top-rated places to stay near Estonia

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Source: European Environment Agency (EEA), Bathing Water Directive. CC-BY 4.0.

Official surface phosphorus, chlorophyll-a, and/or Secchi. Published as the authority reports it on this scale.

Monitoring: the Estonian Environment Agency (Keskkonnaagentuur).