Where is Joutikas Lake?

Joutikas Lake is a lake in Lohja, Finland. This page reports official water-quality measurements, shown as reported.

Is Joutikas Lake safe to swim in?

Joutikas 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 Joutikas Lake?

Joutikas Lake has a maximum depth of 12.5 feet.

Joutikas Lake

Lohja, FinlandView map Directions

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

Clarity

1 m

Typical for Finland

Secchi · sampled 2021

Phosphorus

44.5 µg/L

More phosphorus than most

Measured by Syke

Chlorophyll-a

33 µg/L

More algae than most

Measured by Syke

Max depth

3.8 m

Bathymetric survey

13 ft max depth
Limited data

See the measurements Directions Where to stay

Joutikas Lake in Lohja, Finland has official water-quality measurements, shown as reported. Water clarity: 1 m visibility. Phosphorus: 44.5 µg/L. Chlorophyll-a (algae): 33 µg/L. Maximum depth: 12.5 ft.

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How Joutikas Lake is classified

Joutikas 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.

Joutikas Lake is a lake in Lohja County, Finland with a maximum depth of 13 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2021-10-27. 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 Joutikas 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 Joutikas Lake

These are the measurements Syke publishes for Joutikas Lake. More on the source.

Very murky, less than 3.3 ft of visibility. Phosphorus 44.5 µg/L. Chlorophyll-a 33 µg/L. TSI 61.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	1m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	44.5µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	33µg/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.	61	Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Joutikas Lake

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

Lake Details

Max depth

3.8 m

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Fishing Joutikas Lake

→ Joutikas Lake fishing regulations (limits, seasons, special rules)

Frequently asked questions about Joutikas Lake

Where is Joutikas Lake?: Joutikas Lake is a lake in Lohja, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Joutikas Lake?: Joutikas Lake in Lohja, Finland has official water-quality measurements, shown as reported. Water clarity: 1 m visibility. Phosphorus: 44.5 µg/L. Chlorophyll-a (algae): 33 µg/L. Maximum depth: 12.5 ft.
Is Joutikas Lake safe to swim in?: Joutikas 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 Joutikas Lake?: Joutikas Lake has a maximum depth of 12.5 feet.

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Where this data comes from

10 measurements from 1 monitoring station, 2021. 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-vesla10 samples · 2021

Analytical methods

SYKE VESLA

Monitoring station identifiers (1)

1418

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