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LakeQuality

Chiemsee

Traunstein, BavariaView mapDirections

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

Clarity
5.5 m
Clearer than most
Secchi · sampled 2022
Phosphorus
8 µg/L
Typical for Bavaria
Measured by LfU
Chlorophyll-a
2 µg/L
Typical for Bavaria
Measured by LfU
  • Limited data

Chiemsee in Traunstein, Bavaria has official water-quality measurements, shown as reported. Water clarity: 5.5 m visibility. Phosphorus: 8 µg/L. Chlorophyll-a (algae): 2 µg/L.

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How Chiemsee is classified

Chiemsee 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.

Chiemsee is a lake in Traunstein County, Bavaria.

Source: the Bavarian Environment Agency (LfU) Gewässerkundlicher Dienst — not the EPA Water Quality Portal, last sampled 2022-12-05. Methodology: how these readings are compared.

What Chiemsee is good for

From access and monitoring records, not editorial picks.

  • Clear water18 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 Chiemsee 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 Chiemsee

These are the measurements LfU publishes for Chiemsee. More on the source.

Crystal clear, you can see 18 ft down. Phosphorus 8 µg/L. Chlorophyll-a 2 µg/L. TSI 36.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)5.5mMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus8µg/LMeasured, not scored

The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.

Chlorophyll-a (algae)2µg/LMeasured, 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.36Oligotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

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

Ask about Chiemsee

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

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Stays near Chiemsee

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Fishing Chiemsee

Frequently asked questions about Chiemsee

Where is Chiemsee?

Chiemsee is a lake in Traunstein, Bavaria. This page reports official water-quality measurements, shown as reported.

What is the water quality of Chiemsee?

Chiemsee in Traunstein, Bavaria has official water-quality measurements, shown as reported. Water clarity: 5.5 m visibility. Phosphorus: 8 µg/L. Chlorophyll-a (algae): 2 µg/L.

Measurements on this page ↑

Is Chiemsee safe to swim in?

Chiemsee 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.

Swimming on this page ↑

Where this data comes from

215 measurements from 1 monitoring station, 2016–2022. 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-by215 samples · —

Analytical methods

  • LfU Bayern GKD lake chemistry
Monitoring station identifiers (1)
  • 2138

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