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LakeQuality

Konnivesi

Iitti, FinlandView mapDirections

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

Clarity
3.5 m
Clearer than most
Secchi · sampled 2026
Phosphorus
8 µg/L
Less phosphorus than most
Measured by Syke
Chlorophyll-a
4.5 µg/L
Typical for Finland
Measured by Syke
Max depth
50.9 m
Bathymetric survey
  • 167 ft max depth
  • Limited data

Konnivesi in Iitti, Finland has official water-quality measurements, shown as reported. Water clarity: 3.5 m visibility. Phosphorus: 8 µg/L. Chlorophyll-a (algae): 4.5 µg/L. Maximum depth: 167 ft.

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How Konnivesi is classified

Konnivesi 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.

Konnivesi is a lake in Iitti County, Finland with a maximum depth of 167 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2026-07-02. Methodology: how these readings are compared.

What Konnivesi is good for

From access and monitoring records, not editorial picks.

  • Clear water11.5 ft of visibility
  • Deep water167 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 Konnivesi 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 Konnivesi

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

Good clarity, visible to about 11.5 ft. Phosphorus 8 µg/L. Chlorophyll-a 4.5 µg/L. TSI 40.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)3.5mMeasured, not scored

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

Total phosphorus8µg/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.40Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Konnivesi

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

Lake Details

Max depth

50.9 m

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Fishing Konnivesi

Frequently asked questions about Konnivesi

Where is Konnivesi?

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

What is the water quality of Konnivesi?

Konnivesi in Iitti, Finland has official water-quality measurements, shown as reported. Water clarity: 3.5 m visibility. Phosphorus: 8 µg/L. Chlorophyll-a (algae): 4.5 µg/L. Maximum depth: 167 ft.

Measurements on this page ↑

Is Konnivesi safe to swim in?

Konnivesi 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 Konnivesi?

Konnivesi has a maximum depth of 167 feet.

Where this data comes from

892 measurements from 21 monitoring stations, 2016–2026. 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-vesla892 samples · 2016–2026

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (21)
  • 11690
  • 14459
  • 14463
  • 14468
  • 59791
  • 59792
  • 59793
  • 14455
  • 14457
  • 14462
  • 82839
  • 62637
  • 85063
  • 83437
  • 83438
  • 85186
  • 68741
  • 93155
  • 93156
  • 96810
  • 96811

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