Where is Iso Työlammi?

Iso Työlammi is a lake in Sysmä, Finland. This page reports official water-quality measurements, shown as reported.

Is Iso Työlammi safe to swim in?

Iso Työlammi 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 Iso Työlammi?

Iso Työlammi has a maximum depth of 3.3 feet.

Iso Työlammi

Sysmä, FinlandView map Directions

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

Phosphorus

20.5 µg/L

Typical for Finland

Measured by Syke

Max depth

1 m

Bathymetric survey

3 ft max depth
Limited data

See the measurements Directions Where to stay

Iso Työlammi in Sysmä, Finland has official water-quality measurements, shown as reported. Phosphorus: 20.5 µg/L. Maximum depth: 3.3 ft.

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How Iso Työlammi is classified

Iso Työlammi 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 phosphorus, but not water clarity 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 Finnish Environment Institute (Syke) and the ELY Centres.

Iso Työlammi is a lake in Sysmä County, Finland with a maximum depth of 3 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2025-10-14. Methodology: how these readings are compared.

Swimming conditions

No reading

Limited data

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

Whether Iso Työlammi 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 Iso Työlammi

These are the measurements Syke publishes for Iso Työlammi. More on the source.

No clarity data. Phosphorus 20.5 µg/L. TSI 48.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)		No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	20.5µg/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.	48	Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Iso Työlammi

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

Lake Details

Max depth

1 m

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Fishing Iso Työlammi

→ Iso Työlammi fishing regulations (limits, seasons, special rules)

Frequently asked questions about Iso Työlammi

Where is Iso Työlammi?: Iso Työlammi is a lake in Sysmä, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Iso Työlammi?: Iso Työlammi in Sysmä, Finland has official water-quality measurements, shown as reported. Phosphorus: 20.5 µg/L. Maximum depth: 3.3 ft.
Is Iso Työlammi safe to swim in?: Iso Työlammi 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 Iso Työlammi?: Iso Työlammi has a maximum depth of 3.3 feet.

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Where this data comes from

20 measurements from 1 monitoring station, 2016–2025. 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-vesla20 samples · 2016–2025

Analytical methods

SYKE VESLA

Monitoring station identifiers (1)

43818

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