Ahvenlammi is a lake in Tampere, Finland. This page reports official water-quality measurements, shown as reported.

Is Ahvenlammi safe to swim in?

Ahvenlammi 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.

How deep is Ahvenlammi?

Ahvenlammi has a maximum depth of 40 feet.

Ahvenlammi

Tampere, FinlandView map Directions

Syke publishes the water-quality measurements for Ahvenlammi. Here is what has been measured.

Clarity

3.3 m

Clearer than most

Secchi · sampled 2026

Phosphorus

6.8 µg/L

Less phosphorus than most

Measured by Syke

Max depth

12.2 m

Bathymetric survey

40 ft max depth
Limited data

See the measurements Directions Where to stay

Ahvenlammi in Tampere, Finland has official water-quality measurements, shown as reported. Water clarity: 3.3 m visibility. Phosphorus: 6.8 µg/L. Maximum depth: 40 ft.

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How Ahvenlammi is classified

Ahvenlammi in Finland 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 and phosphorus, but not algae (chlorophyll-a).

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

Monitoring: the Finnish Environment Institute (Syke) and the ELY Centres.

Ahvenlammi is a lake in Tampere County, Finland with a maximum depth of 40 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2026-02-24. Methodology: how these readings are compared.

What Ahvenlammi is good for

From access and monitoring records, not editorial picks.

Clear water10.8 ft of visibility
Deep water40 ft surveyed max depth

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Ahvenlammi is safe to swim in today is a call for the Finnish Environment Institute (Syke) and the ELY Centres and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Ahvenlammi

These are the measurements Syke publishes for Ahvenlammi. More on the source.

Good clarity, visible to about 10.8 ft. Phosphorus 6.8 µg/L. TSI 37.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	3.3m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	6.8µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)		No reading 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.	37	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

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

Ask about Ahvenlammi

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

Lake Details

Max depth

12.2 m

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Stays near Ahvenlammi

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Fishing Ahvenlammi

→ Ahvenlammi fishing regulations (limits, seasons, special rules)

Frequently asked questions about Ahvenlammi

Where is Ahvenlammi?: Ahvenlammi is a lake in Tampere, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Ahvenlammi?: Ahvenlammi in Tampere, Finland has official water-quality measurements, shown as reported. Water clarity: 3.3 m visibility. Phosphorus: 6.8 µg/L. Maximum depth: 40 ft.
Is Ahvenlammi safe to swim in?: Ahvenlammi 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.
How deep is Ahvenlammi?: Ahvenlammi has a maximum depth of 40 feet.

Explore Ahvenlammi across LakeQuality

Lake Fishing Forecast

Species activity outlook by water temperature and season

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EU bathing ratings and named-lake measurements

Where this data comes from

4 measurements from 1 monitoring station, 2022–2026. Retrieved from Syke VESLA (not the EPA Water Quality Portal) on 2026-08-16.

Collected and reported by

Finnish Environment Institute (Syke) and ELY Centressyke-vesla4 samples · 2022–2026

Analytical methods

SYKE VESLA

Monitoring station identifiers (1)

65865

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