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

Is Aurajärvi safe to swim in?

Aurajärvi 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 Aurajärvi?

Aurajärvi has a maximum depth of 69.6 feet.

Aurajärvi

Sastamala, FinlandView map Directions

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

Clarity

2.8 m

Clearer than most

Secchi · sampled 2023

Phosphorus

7.1 µg/L

Less phosphorus than most

Measured by Syke

Chlorophyll-a

7.2 µg/L

Typical for Finland

Measured by Syke

Max depth

21.2 m

Bathymetric survey

70 ft max depth
Limited data

See the measurements Directions Where to stay

Aurajärvi in Sastamala, Finland has official water-quality measurements, shown as reported. Water clarity: 2.8 m visibility. Phosphorus: 7.1 µg/L. Chlorophyll-a (algae): 7.2 µg/L. Maximum depth: 69.6 ft.

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How Aurajärvi is classified

Aurajärvi 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.

Aurajärvi is a lake in Sastamala County, Finland with a maximum depth of 70 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2023-10-04. Methodology: how these readings are compared.

What Aurajärvi is good for

From access and monitoring records, not editorial picks.

Deep water69.6 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 Aurajärvi 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 Aurajärvi

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

Moderate clarity, visible to about 9.2 ft. Phosphorus 7.1 µg/L. Chlorophyll-a 7.2 µg/L. TSI 42.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	2.8m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	7.1µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	7.2µg/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 Aurajärvi

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

Lake Details

Max depth

21.2 m

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Stays near Aurajärvi

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Fishing Aurajärvi

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

Frequently asked questions about Aurajärvi

Where is Aurajärvi?: Aurajärvi is a lake in Sastamala, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Aurajärvi?: Aurajärvi in Sastamala, Finland has official water-quality measurements, shown as reported. Water clarity: 2.8 m visibility. Phosphorus: 7.1 µg/L. Chlorophyll-a (algae): 7.2 µg/L. Maximum depth: 69.6 ft.
Is Aurajärvi safe to swim in?: Aurajärvi 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 Aurajärvi?: Aurajärvi has a maximum depth of 69.6 feet.

Explore Aurajärvi across LakeQuality

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Species activity outlook by water temperature and season

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EU bathing ratings and named-lake measurements

Where this data comes from

7 measurements from 1 monitoring station, 2023. 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-vesla7 samples · 2023

Analytical methods

SYKE VESLA

Monitoring station identifiers (1)

7468

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