Where is Bohinjsko Jezero?

Bohinjsko Jezero is a lake in Slovenia. This page reports official water-quality measurements, shown as reported.

Is Bohinjsko Jezero safe to swim in?

Bohinjsko Jezero 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.

Bohinjsko Jezero

SloveniaView map Directions

ARSO publishes the water-quality measurements for Bohinjsko Jezero. Here is what has been measured.

Clarity

11 m

Secchi · sampled 2023

Phosphorus

5 µg/L

Measured by ARSO

Limited data

See the measurements Directions Where to stay

Bohinjsko Jezero in Slovenia has official water-quality measurements, shown as reported. Water clarity: 11 m visibility. Phosphorus: 5 µg/L.

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How Bohinjsko Jezero is classified

Bohinjsko Jezero in Slovenia 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 Slovenian Environment Agency (ARSO), via UNEP GEMS/Water.

Bohinjsko Jezero is a lake in Unknown County, Slovenia.

Source: the Slovenian Environment Agency (ARSO), via UNEP GEMS/Water — not the EPA Water Quality Portal, last sampled 2023-11-22. Methodology: how these readings are compared.

What Bohinjsko Jezero is good for

From access and monitoring records, not editorial picks.

Clear water36.1 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 Bohinjsko Jezero is safe to swim in today is a call for the Slovenian Environment Agency (ARSO), via UNEP GEMS/Water and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Bohinjsko Jezero

These are the measurements ARSO publishes for Bohinjsko Jezero. More on the source.

Crystal clear, you can see 36.1 ft down. Phosphorus 5 µg/L. TSI 26.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	11m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	5µg/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.	26	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

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

Ask about Bohinjsko Jezero

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

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Stays near Bohinjsko Jezero

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Fishing Bohinjsko Jezero

→ Bohinjsko Jezero fishing regulations (limits, seasons, special rules)

Frequently asked questions about Bohinjsko Jezero

Where is Bohinjsko Jezero?: Bohinjsko Jezero is a lake in Slovenia. This page reports official water-quality measurements, shown as reported.
What is the water quality of Bohinjsko Jezero?: Bohinjsko Jezero in Slovenia has official water-quality measurements, shown as reported. Water clarity: 11 m visibility. Phosphorus: 5 µg/L.
Is Bohinjsko Jezero safe to swim in?: Bohinjsko Jezero 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 Bohinjsko Jezero across LakeQuality

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Where this data comes from

19 measurements from 1 monitoring station, 2021–2023. Retrieved from UNEP GEMS/Water GFQA (not the EPA Water Quality Portal) on 2026-08-16.

Collected and reported by

European Environment Agencyeuropeanenvironmentagenc19 samples · —

Analytical methods

GEMStat OPEN / CC BY 4.0

Monitoring station identifiers (1)

SVN00005

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