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

Is Nevajärvi safe to swim in?

Nevajärvi 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 Nevajärvi?

Nevajärvi has a maximum depth of 6.9 feet.

Nevajärvi

Juva, FinlandView map Directions

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

Clarity

1.1 m

Typical for Finland

Secchi · sampled 2023

Phosphorus

34.5 µg/L

More phosphorus than most

Measured by Syke

Chlorophyll-a

18 µg/L

More algae than most

Measured by Syke

Max depth

2.1 m

Bathymetric survey

7 ft max depth
Limited data

See the measurements Directions Where to stay

Nevajärvi in Juva, Finland has official water-quality measurements, shown as reported. Water clarity: 1.1 m visibility. Phosphorus: 34.5 µg/L. Chlorophyll-a (algae): 18 µg/L. Maximum depth: 6.9 ft.

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How Nevajärvi is classified

Nevajärvi 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.

Nevajärvi is a lake in Juva County, Finland with a maximum depth of 7 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2023-10-16. 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 Nevajärvi 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 Nevajärvi

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

Murky, only visible to about 3.4 ft. Phosphorus 34.5 µg/L. Chlorophyll-a 18 µg/L. TSI 58.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	1.05m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	34.5µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	18µg/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.	58	Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Nevajärvi

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

Lake Details

Max depth

2.1 m

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Stays near Nevajärvi

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Fishing Nevajärvi

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

Frequently asked questions about Nevajärvi

Where is Nevajärvi?: Nevajärvi is a lake in Juva, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Nevajärvi?: Nevajärvi in Juva, Finland has official water-quality measurements, shown as reported. Water clarity: 1.1 m visibility. Phosphorus: 34.5 µg/L. Chlorophyll-a (algae): 18 µg/L. Maximum depth: 6.9 ft.
Is Nevajärvi safe to swim in?: Nevajärvi 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 Nevajärvi?: Nevajärvi has a maximum depth of 6.9 feet.

Explore Nevajärvi across LakeQuality

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Where this data comes from

21 measurements from 1 monitoring station, 2017–2023. 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-vesla21 samples · 2017–2023

Analytical methods

SYKE VESLA

Monitoring station identifiers (1)

14118

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