Where is Starnberger See?

Starnberger See is a lake in Starnberg, Bavaria. This page reports official water-quality measurements, shown as reported.

Is Starnberger See safe to swim in?

Starnberger See 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.

Starnberger See

Starnberg, BavariaView map Directions

LfU publishes the water-quality measurements for Starnberger See. Here is what has been measured.

Clarity

6.2 m

Clearer than most

Secchi · sampled 2023

Phosphorus

6 µg/L

Less phosphorus than most

Measured by LfU

Chlorophyll-a

2 µg/L

Typical for Bavaria

Measured by LfU

Limited data

See the measurements Directions Where to stay

Starnberger See in Starnberg, Bavaria has official water-quality measurements, shown as reported. Water clarity: 6.2 m visibility. Phosphorus: 6 µg/L. Chlorophyll-a (algae): 2 µg/L.

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How Starnberger See is classified

Starnberger See in Bavaria 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, phosphorus and algae (chlorophyll-a).

LakeQuality publishes no grade of its own beside it. Everything below thathas been measured is reported on this page.

Monitoring: the Bavarian Environment Agency (LfU) Gewässerkundlicher Dienst.

Starnberger See is a lake in Starnberg County, Bavaria.

Source: the Bavarian Environment Agency (LfU) Gewässerkundlicher Dienst — not the EPA Water Quality Portal, last sampled 2023-12-13. Methodology: how these readings are compared.

What Starnberger See is good for

From access and monitoring records, not editorial picks.

Clear water20.3 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 Starnberger See is safe to swim in today is a call for the Bavarian Environment Agency (LfU) Gewässerkundlicher Dienst and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Starnberger See

These are the measurements LfU publishes for Starnberger See. More on the source.

Crystal clear, you can see 20.3 ft down. Phosphorus 6 µg/L. Chlorophyll-a 2 µg/L. TSI 34.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	6.2m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	6µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	2µg/L	Measured, not scored 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.	34	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

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

Ask about Starnberger See

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

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Stays near Starnberger See

Compare lakeside cabins, hotels, and vacation rentals near Starnberger See in Starnberg, 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 Starnberger See

→ Starnberger See fishing regulations (limits, seasons, special rules)

Frequently asked questions about Starnberger See

Where is Starnberger See?: Starnberger See is a lake in Starnberg, Bavaria. This page reports official water-quality measurements, shown as reported.
What is the water quality of Starnberger See?: Starnberger See in Starnberg, Bavaria has official water-quality measurements, shown as reported. Water clarity: 6.2 m visibility. Phosphorus: 6 µg/L. Chlorophyll-a (algae): 2 µg/L.
Is Starnberger See safe to swim in?: Starnberger See 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 Starnberger See across LakeQuality

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Where this data comes from

134 measurements from 2 monitoring stations, 2016–2023. 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 Dienstgkd-by134 samples · —

Analytical methods

LfU Bayern GKD lake chemistry

Monitoring station identifiers (2)

193508
2097

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