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LakeQuality

Nilakka Lake

Tervo, FinlandView mapDirections

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

Clarity
1.5 m
Typical for Finland
Secchi · sampled 2025
Phosphorus
13 µg/L
Typical for Finland
Measured by Syke
Chlorophyll-a
9.3 µg/L
Typical for Finland
Measured by Syke
Max depth
20 m
Bathymetric survey
  • 66 ft max depth
  • Limited data

Nilakka Lake in Tervo, Finland has official water-quality measurements, shown as reported. Water clarity: 1.5 m visibility. Phosphorus: 13 µg/L. Chlorophyll-a (algae): 9.3 µg/L. Maximum depth: 65.6 ft.

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How Nilakka Lake is classified

Nilakka Lake 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.

Nilakka Lake is a lake in Tervo County, Finland with a maximum depth of 66 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2025-10-23. Methodology: how these readings are compared.

What Nilakka Lake is good for

From access and monitoring records, not editorial picks.

  • Deep water65.6 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 Nilakka Lake 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 Nilakka Lake

These are the measurements Syke publishes for Nilakka Lake. More on the source.

Murky, only visible to about 4.9 ft. Phosphorus 13 µg/L. Chlorophyll-a 9.3 µg/L. TSI 49.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)1.5mMeasured, not scored

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

Total phosphorus13µg/LMeasured, not scored

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

Chlorophyll-a (algae)9.3µg/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.49Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Nilakka Lake

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

Lake Details

Max depth

20 m

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Fishing Nilakka Lake

Frequently asked questions about Nilakka Lake

Where is Nilakka Lake?

Nilakka Lake is a lake in Tervo, Finland. This page reports official water-quality measurements, shown as reported.

What is the water quality of Nilakka Lake?

Nilakka Lake in Tervo, Finland has official water-quality measurements, shown as reported. Water clarity: 1.5 m visibility. Phosphorus: 13 µg/L. Chlorophyll-a (algae): 9.3 µg/L. Maximum depth: 65.6 ft.

Measurements on this page ↑

Is Nilakka Lake safe to swim in?

Nilakka Lake 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 Nilakka Lake?

Nilakka Lake has a maximum depth of 65.6 feet.

Where this data comes from

347 measurements from 10 monitoring stations, 2016–2025. 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-vesla347 samples · 2016–2025

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (10)
  • 47567
  • 20859
  • 20856
  • 20854
  • 49187
  • 69694
  • 20877
  • 20848
  • 59294
  • 60652

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