Where is Ylä-Jäppä Ala-Jäppä Lake?

Ylä-Jäppä Ala-Jäppä Lake is a lake in Kinnula, Finland. This page reports official water-quality measurements, shown as reported.

Is Ylä-Jäppä Ala-Jäppä Lake safe to swim in?

Ylä-Jäppä Ala-Jäppä 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 Ylä-Jäppä Ala-Jäppä Lake?

Ylä-Jäppä Ala-Jäppä Lake has a maximum depth of 37.7 feet.

Ylä-Jäppä Ala-Jäppä Lake

Kinnula, FinlandView map Directions

Syke publishes the water-quality measurements for Ylä-Jäppä Ala-Jäppä Lake. Here is what has been measured.

Clarity

0.7 m

Murkier than most

Secchi · sampled 2026

Phosphorus

24 µg/L

Typical for Finland

Measured by Syke

Chlorophyll-a

15 µg/L

Typical for Finland

Measured by Syke

Max depth

11.5 m

Bathymetric survey

38 ft max depth
Limited data

See the measurements Directions Where to stay

Ylä-Jäppä Ala-Jäppä Lake in Kinnula, Finland has official water-quality measurements, shown as reported. Water clarity: 0.7 m visibility. Phosphorus: 24 µg/L. Chlorophyll-a (algae): 15 µg/L. Maximum depth: 37.7 ft.

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How Ylä-Jäppä Ala-Jäppä Lake is classified

Ylä-Jäppä Ala-Jäppä 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.

Ylä-Jäppä Ala-Jäppä Lake is a lake in Kinnula County, Finland with a maximum depth of 38 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2026-06-30. Methodology: how these readings are compared.

What Ylä-Jäppä Ala-Jäppä Lake is good for

From access and monitoring records, not editorial picks.

Deep water37.7 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 Ylä-Jäppä Ala-Jäppä 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 Ylä-Jäppä Ala-Jäppä Lake

These are the measurements Syke publishes for Ylä-Jäppä Ala-Jäppä Lake. More on the source.

Very murky, less than 2.3 ft of visibility. Phosphorus 24 µg/L. Chlorophyll-a 15 µg/L. TSI 57.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	0.7m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	24µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	15µg/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.	57	Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Ylä-Jäppä Ala-Jäppä Lake

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

Lake Details

Max depth

11.5 m

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Fishing Ylä-Jäppä Ala-Jäppä Lake

→ Ylä-Jäppä Ala-Jäppä Lake fishing regulations (limits, seasons, special rules)

Frequently asked questions about Ylä-Jäppä Ala-Jäppä Lake

Where is Ylä-Jäppä Ala-Jäppä Lake?: Ylä-Jäppä Ala-Jäppä Lake is a lake in Kinnula, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Ylä-Jäppä Ala-Jäppä Lake?: Ylä-Jäppä Ala-Jäppä Lake in Kinnula, Finland has official water-quality measurements, shown as reported. Water clarity: 0.7 m visibility. Phosphorus: 24 µg/L. Chlorophyll-a (algae): 15 µg/L. Maximum depth: 37.7 ft.
Is Ylä-Jäppä Ala-Jäppä Lake safe to swim in?: Ylä-Jäppä Ala-Jäppä 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 Ylä-Jäppä Ala-Jäppä Lake?: Ylä-Jäppä Ala-Jäppä Lake has a maximum depth of 37.7 feet.

Explore Ylä-Jäppä Ala-Jäppä Lake 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

51 measurements from 1 monitoring station, 2016–2026. 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-vesla51 samples · 2016–2026

Analytical methods

SYKE VESLA

Monitoring station identifiers (1)

25610

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