Walchensee
Walchensee in Bad Tölz-Wolfratshausen, Bavaria has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 5.3 m visibility. Chlorophyll-a (algae): 1 µg/L.
- Clarity
- 5.3 m
Why Walchensee has no A–F grade
Walchensee in Bavaria 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 and algae (chlorophyll-a), but not phosphorus.
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: the Bavarian Environment Agency (LfU) Gewässerkundlicher Dienst.
Walchensee is a lake in Bad Tölz-Wolfratshausen County, Bavaria.
Source: the Bavarian Environment Agency (LfU) Gewässerkundlicher Dienst — not the EPA Water Quality Portal, last sampled 2024-11-27. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Walchensee
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Crystal clear, you can see 17.4 ft down. Chlorophyll-a: 1 µg/L. Trophic State Index: 33.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.3 m | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 1 µg/L | Not graded |
| Trophic State Index (TSI) | 33 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Walchensee
Compare lakeside cabins, hotels, and vacation rentals near Walchensee in Bad Tölz-Wolfratshausen, Bavaria — 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.
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Fishing Walchensee
Frequently asked questions about Walchensee
What is the water quality of Walchensee?
- Walchensee in Bad Tölz-Wolfratshausen, Bavaria has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 5.3 m visibility. Chlorophyll-a (algae): 1 µg/L.
Is Walchensee safe to swim in?
- Walchensee 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 Walchensee across LakeGrade
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Where this data comes from
49 measurements from 1 monitoring station, 2018–2024. Retrieved from the listed programme (not the EPA Water Quality Portal). See data sources on 2026-08-20.
Collected and reported by
- Bayerisches Landesamt für Umwelt (LfU) — Gewässerkundlicher Dienst
gkd-by49 samples · —
Analytical methods
- LfU Bayern GKD lake chemistry
Monitoring station identifiers (1)
2125
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See how grades are calculated and data sources.