Where is Iso-Musta Lake?

Iso-Musta Lake is a lake in Jyväskylä, Finland. This page reports official water-quality measurements, shown as reported.

Is Iso-Musta Lake safe to swim in?

Iso-Musta Lake 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-Musta Lake?

Iso-Musta Lake has a maximum depth of 32.8 feet.

Iso-Musta Lake

Jyväskylä, FinlandView map Directions

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

Clarity

0.8 m

Murkier than most

Secchi · sampled 2019

Phosphorus

32 µg/L

More phosphorus than most

Measured by Syke

Chlorophyll-a

29 µg/L

More algae than most

Measured by Syke

Max depth

10 m

Bathymetric survey

33 ft max depth
Limited data

See the measurements Directions Where to stay

Iso-Musta Lake in Jyväskylä, Finland has official water-quality measurements, shown as reported. Water clarity: 0.8 m visibility. Phosphorus: 32 µg/L. Chlorophyll-a (algae): 29 µg/L. Maximum depth: 32.8 ft.

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How Iso-Musta Lake is classified

Iso-Musta Lake 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, 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 Finnish Environment Institute (Syke) and the ELY Centres.

Iso-Musta Lake is a lake in Jyväskylä County, Finland with a maximum depth of 33 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2019-09-10. Methodology: how these readings are compared.

What Iso-Musta Lake is good for

From access and monitoring records, not editorial picks.

Deep water32.8 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 Iso-Musta Lake 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-Musta Lake

These are the measurements Syke publishes for Iso-Musta Lake. More on the source.

Very murky, less than 2.6 ft of visibility. Phosphorus 32 µg/L. Chlorophyll-a 29 µg/L. TSI 60.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	0.8m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	32µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	29µg/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.	60	Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Iso-Musta Lake

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

Lake Details

Max depth

10 m

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Fishing Iso-Musta Lake

→ Iso-Musta Lake fishing regulations (limits, seasons, special rules)

Frequently asked questions about Iso-Musta Lake

Where is Iso-Musta Lake?: Iso-Musta Lake is a lake in Jyväskylä, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Iso-Musta Lake?: Iso-Musta Lake in Jyväskylä, Finland has official water-quality measurements, shown as reported. Water clarity: 0.8 m visibility. Phosphorus: 32 µg/L. Chlorophyll-a (algae): 29 µg/L. Maximum depth: 32.8 ft.
Is Iso-Musta Lake safe to swim in?: Iso-Musta Lake 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-Musta Lake?: Iso-Musta Lake has a maximum depth of 32.8 feet.

Explore Iso-Musta Lake across LakeQuality

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Species activity outlook by water temperature and season

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Where this data comes from

15 measurements from 1 monitoring station, 2017–2019. 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-vesla15 samples · 2017–2019

Analytical methods

SYKE VESLA

Monitoring station identifiers (1)

25005

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