Skip to main content
LakeQuality

Ranuanjärvi

Ranua, FinlandView mapDirections

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

Clarity
1 m
Typical for Finland
Secchi · sampled 2024
Phosphorus
44 µg/L
More phosphorus than most
Measured by Syke
Chlorophyll-a
19.5 µg/L
More algae than most
Measured by Syke
Max depth
8.5 m
Bathymetric survey
  • 28 ft max depth
  • Limited data

Ranuanjärvi in Ranua, Finland has official water-quality measurements, shown as reported. Water clarity: 1 m visibility. Phosphorus: 44 µg/L. Chlorophyll-a (algae): 19.5 µg/L. Maximum depth: 27.9 ft.

Loading map…

How Ranuanjärvi is classified

Ranuanjärvi 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.

Ranuanjärvi is a lake in Ranua County, Finland with a maximum depth of 28 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2024-09-16. 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 Ranuanjärvi 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.

Get alerts for Ranuanjärvi →

Water quality measurements for Ranuanjärvi

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

Very murky, less than 3.3 ft of visibility. Phosphorus 44 µg/L. Chlorophyll-a 19.5 µg/L. TSI 59.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)1mMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus44µg/LMeasured, not scored

The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.

Chlorophyll-a (algae)19.5µg/LMeasured, 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.59Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Ranuanjärvi

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

Lake Details

Max depth

8.5 m

Stays via Stay22

Stays near Ranuanjärvi

Compare lakeside cabins, hotels, and vacation rentals near Ranuanjärvi in Ranua, Finland — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Ranuanjärvi

Prices for Oct 2–4, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Follow Ranuanjärvi’s readings

Email me when new measurements post for this lake. Updates stay free.


Or email

Fishing Ranuanjärvi

Frequently asked questions about Ranuanjärvi

Where is Ranuanjärvi?

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

What is the water quality of Ranuanjärvi?

Ranuanjärvi in Ranua, Finland has official water-quality measurements, shown as reported. Water clarity: 1 m visibility. Phosphorus: 44 µg/L. Chlorophyll-a (algae): 19.5 µg/L. Maximum depth: 27.9 ft.

Measurements on this page ↑

Is Ranuanjärvi safe to swim in?

Ranuanjärvi 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.

Swimming on this page ↑

How deep is Ranuanjärvi?

Ranuanjärvi has a maximum depth of 27.9 feet.

Where this data comes from

36 measurements from 1 monitoring station, 2018–2024. 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-vesla36 samples · 2018–2024

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 36060

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