Lake Murten
Lake Murten in Fribourg, Switzerland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 4 m visibility.
- Clarity
- 4 m
Why Lake Murten has no A–F grade
Lake Murten in Switzerland is published with the authority's own measurements, not a LakeQuality letter. official authority class; not a LakeQuality A–F letter Sampling here has recorded water clarity, but not phosphorus and algae (chlorophyll-a).
A letter on the LakeQuality scale would be an invention, not an official class. Everything below that has been measured is still reported on this page.
Monitoring: Eawag (the Swiss Federal Institute of Aquatic Science and Technology) and cantonal lake-monitoring programmes.
Lake Murten is a lake in Fribourg County, Switzerland.
Source: Eawag (the Swiss Federal Institute of Aquatic Science and Technology) and cantonal lake-monitoring programmes — not the EPA Water Quality Portal, last sampled 2023-12-13. Grade methodology: LakeGrade methodology.
Watch Lake Murten water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Lake Murten
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Good clarity, visible to about 13.1 ft. Trophic State Index: 40.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4 m | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 40 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Lake Murten
Compare lakeside cabins, hotels, and vacation rentals near Lake Murten in Fribourg, Switzerland — 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 Lake Murten
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Fishing Lake Murten
Frequently asked questions about Lake Murten
What is the water quality of Lake Murten?
- Lake Murten in Fribourg, Switzerland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 4 m visibility.
Is Lake Murten safe to swim in?
- Lake Murten 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 Lake Murten across LakeGrade
More lakes in Switzerland
Where this data comes from
92 measurements from 1 monitoring station, 2016–2023. Retrieved from the listed programme (not the EPA Water Quality Portal). See data sources on 2026-08-20.
Collected and reported by
- Eawag
eawag-ch92 samples · —
Analytical methods
- Eawag long-term Swiss lake monitoring
Monitoring station identifiers (1)
LakeMurten
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See how grades are calculated and data sources.