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LakeQuality

Renkajärvi

Hattula, FinlandView mapDirections

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

Clarity
2 m
Typical for Finland
Secchi · sampled 2025
Phosphorus
7.7 µg/L
Less phosphorus than most
Measured by Syke
Chlorophyll-a
4.5 µg/L
Typical for Finland
Measured by Syke
Max depth
28.4 m
Bathymetric survey
  • 93 ft max depth
  • Limited data

Renkajärvi in Hattula, Finland has official water-quality measurements, shown as reported. Water clarity: 2 m visibility. Phosphorus: 7.7 µg/L. Chlorophyll-a (algae): 4.5 µg/L. Maximum depth: 93.2 ft.

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How Renkajärvi is classified

Renkajärvi 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.

Renkajärvi is a lake in Hattula County, Finland with a maximum depth of 93 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2025-08-19. Methodology: how these readings are compared.

What Renkajärvi is good for

From access and monitoring records, not editorial picks.

  • Deep water93.2 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 Renkajärvi 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 Renkajärvi

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

Murky, only visible to about 6.6 ft. Phosphorus 7.7 µg/L. Chlorophyll-a 4.5 µg/L. TSI 43.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)2mMeasured, not scored

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

Total phosphorus7.7µg/LMeasured, not scored

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

Chlorophyll-a (algae)4.5µg/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.43Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Renkajärvi

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

Lake Details

Max depth

28.4 m

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Stays near Renkajärvi

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Fishing Renkajärvi

Frequently asked questions about Renkajärvi

Where is Renkajärvi?

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

What is the water quality of Renkajärvi?

Renkajärvi in Hattula, Finland has official water-quality measurements, shown as reported. Water clarity: 2 m visibility. Phosphorus: 7.7 µg/L. Chlorophyll-a (algae): 4.5 µg/L. Maximum depth: 93.2 ft.

Measurements on this page ↑

Is Renkajärvi safe to swim in?

Renkajärvi 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 Renkajärvi?

Renkajärvi has a maximum depth of 93.2 feet.

Where this data comes from

22 measurements from 3 monitoring stations, 2017–2025. 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-vesla22 samples · 2017–2025

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (3)
  • 60586
  • 2320
  • 61237

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