Where is Raumajärvi?

Raumajärvi is a lake in Mynämäki, Finland. This page reports official water-quality measurements, shown as reported.

Is Raumajärvi safe to swim in?

Raumajärvi 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.

Raumajärvi

Mynämäki, FinlandView map Directions

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

Phosphorus

22 µg/L

Typical for Finland

Measured by Syke

Chlorophyll-a

1.1 µg/L

Less algae than most

Measured by Syke

Limited data

See the measurements Directions Where to stay

Raumajärvi in Mynämäki, Finland has official water-quality measurements, shown as reported. Phosphorus: 22 µg/L. Chlorophyll-a (algae): 1.1 µg/L.

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How Raumajärvi is classified

Raumajärvi 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 and algae (chlorophyll-a), but not water clarity.

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.

Raumajärvi is a lake in Mynämäki County, Finland.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2016-08-08. 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 Raumajärvi 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 Raumajärvi

These are the measurements Syke publishes for Raumajärvi. More on the source.

No clarity data. Phosphorus 22 µg/L. Chlorophyll-a 1.1 µg/L. TSI 40.

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	22µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	1.1µg/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.	40	Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Raumajärvi

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

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Fishing Raumajärvi

→ Raumajärvi fishing regulations (limits, seasons, special rules)

Frequently asked questions about Raumajärvi

Where is Raumajärvi?: Raumajärvi is a lake in Mynämäki, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Raumajärvi?: Raumajärvi in Mynämäki, Finland has official water-quality measurements, shown as reported. Phosphorus: 22 µg/L. Chlorophyll-a (algae): 1.1 µg/L.
Is Raumajärvi safe to swim in?: Raumajärvi 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.

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Where this data comes from

2 measurements from 1 monitoring station, 2016. 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-vesla2 samples · 2016

Analytical methods

SYKE VESLA

Monitoring station identifiers (1)

70389

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