Where is Trinkwassertalsperre Frauenau?

Trinkwassertalsperre Frauenau is a lake in Regen, Bavaria. This page reports official water-quality measurements, shown as reported.

Is Trinkwassertalsperre Frauenau safe to swim in?

Trinkwassertalsperre Frauenau 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.

Trinkwassertalsperre Frauenau

Regen, BavariaView map Directions

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

Clarity

3.1 m

Typical for Bavaria

Secchi · sampled 2022

Phosphorus

6 µg/L

Less phosphorus than most

Measured by LfU

Chlorophyll-a

4 µg/L

Typical for Bavaria

Measured by LfU

Limited data

See the measurements Directions Where to stay

Trinkwassertalsperre Frauenau in Regen, Bavaria has official water-quality measurements, shown as reported. Water clarity: 3.1 m visibility. Phosphorus: 6 µg/L. Chlorophyll-a (algae): 4 µg/L.

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How Trinkwassertalsperre Frauenau is classified

Trinkwassertalsperre Frauenau 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.

Trinkwassertalsperre Frauenau is a lake in Regen 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 Trinkwassertalsperre Frauenau is good for

From access and monitoring records, not editorial picks.

Clear water10.2 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 Trinkwassertalsperre Frauenau 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 Trinkwassertalsperre Frauenau

These are the measurements LfU publishes for Trinkwassertalsperre Frauenau. More on the source.

Good clarity, visible to about 10.2 ft. Phosphorus 6 µg/L. Chlorophyll-a 4 µg/L. TSI 39.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	3.1m	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)	4µg/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.	39	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

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

Ask about Trinkwassertalsperre Frauenau

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

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Stays near Trinkwassertalsperre Frauenau

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Fishing Trinkwassertalsperre Frauenau

→ Trinkwassertalsperre Frauenau fishing regulations (limits, seasons, special rules)

Frequently asked questions about Trinkwassertalsperre Frauenau

Where is Trinkwassertalsperre Frauenau?: Trinkwassertalsperre Frauenau is a lake in Regen, Bavaria. This page reports official water-quality measurements, shown as reported.
What is the water quality of Trinkwassertalsperre Frauenau?: Trinkwassertalsperre Frauenau in Regen, Bavaria has official water-quality measurements, shown as reported. Water clarity: 3.1 m visibility. Phosphorus: 6 µg/L. Chlorophyll-a (algae): 4 µg/L.
Is Trinkwassertalsperre Frauenau safe to swim in?: Trinkwassertalsperre Frauenau 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.

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Where this data comes from

87 measurements from 1 monitoring station, 2019–2022. 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-by87 samples · —

Analytical methods

LfU Bayern GKD lake chemistry

Monitoring station identifiers (1)

2221

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