Where is Krailan Pitkäjärvi Gråböle Träsk?

Krailan Pitkäjärvi Gråböle Träsk is a lake in Raasepori, Finland. This page reports official water-quality measurements, shown as reported.

Is Krailan Pitkäjärvi Gråböle Träsk safe to swim in?

Krailan Pitkäjärvi Gråböle Träsk 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 Krailan Pitkäjärvi Gråböle Träsk?

Krailan Pitkäjärvi Gråböle Träsk has a maximum depth of 14.8 feet.

Krailan Pitkäjärvi Gråböle Träsk

Raasepori, FinlandView map Directions

Syke publishes the water-quality measurements for Krailan Pitkäjärvi Gråböle Träsk. Here is what has been measured.

Clarity

2.7 m

Clearer than most

Secchi · sampled 2019

Phosphorus

7.3 µg/L

Less phosphorus than most

Measured by Syke

Chlorophyll-a

5.4 µg/L

Typical for Finland

Measured by Syke

Max depth

4.5 m

Bathymetric survey

15 ft max depth
Limited data

See the measurements Directions Where to stay

Krailan Pitkäjärvi Gråböle Träsk in Raasepori, Finland has official water-quality measurements, shown as reported. Water clarity: 2.7 m visibility. Phosphorus: 7.3 µg/L. Chlorophyll-a (algae): 5.4 µg/L. Maximum depth: 14.8 ft.

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How Krailan Pitkäjärvi Gråböle Träsk is classified

Krailan Pitkäjärvi Gråböle Träsk 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.

Krailan Pitkäjärvi Gråböle Träsk is a lake in Raasepori County, Finland with a maximum depth of 15 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2019-08-22. 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 Krailan Pitkäjärvi Gråböle Träsk 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 Krailan Pitkäjärvi Gråböle Träsk

These are the measurements Syke publishes for Krailan Pitkäjärvi Gråböle Träsk. More on the source.

Moderate clarity, visible to about 8.7 ft. Phosphorus 7.3 µg/L. Chlorophyll-a 5.4 µg/L. TSI 42.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	2.65m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	7.3µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	5.4µg/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.	42	Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Krailan Pitkäjärvi Gråböle Träsk

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

Lake Details

Max depth

4.5 m

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Stays near Krailan Pitkäjärvi Gråböle Träsk

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Fishing Krailan Pitkäjärvi Gråböle Träsk

→ Krailan Pitkäjärvi Gråböle Träsk fishing regulations (limits, seasons, special rules)

Frequently asked questions about Krailan Pitkäjärvi Gråböle Träsk

Where is Krailan Pitkäjärvi Gråböle Träsk?: Krailan Pitkäjärvi Gråböle Träsk is a lake in Raasepori, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Krailan Pitkäjärvi Gråböle Träsk?: Krailan Pitkäjärvi Gråböle Träsk in Raasepori, Finland has official water-quality measurements, shown as reported. Water clarity: 2.7 m visibility. Phosphorus: 7.3 µg/L. Chlorophyll-a (algae): 5.4 µg/L. Maximum depth: 14.8 ft.
Is Krailan Pitkäjärvi Gråböle Träsk safe to swim in?: Krailan Pitkäjärvi Gråböle Träsk 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 Krailan Pitkäjärvi Gråböle Träsk?: Krailan Pitkäjärvi Gråböle Träsk has a maximum depth of 14.8 feet.

Explore Krailan Pitkäjärvi Gråböle Träsk across LakeQuality

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Where this data comes from

10 measurements from 1 monitoring station, 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-vesla10 samples · 2019

Analytical methods

SYKE VESLA

Monitoring station identifiers (1)

3783

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