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LakeQuality

Rättilampi

Rovaniemi, FinlandView mapDirections

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

Clarity
0.7 m
Murkier than most
Secchi · sampled 2025
Phosphorus
20.5 µg/L
Typical for Finland
Measured by Syke
Chlorophyll-a
7.5 µg/L
Typical for Finland
Measured by Syke
Max depth
1.3 m
Bathymetric survey
  • 4 ft max depth
  • Limited data

Rättilampi in Rovaniemi, Finland has official water-quality measurements, shown as reported. Water clarity: 0.7 m visibility. Phosphorus: 20.5 µg/L. Chlorophyll-a (algae): 7.5 µg/L. Maximum depth: 4.3 ft.

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How Rättilampi is classified

Rättilampi 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.

Rättilampi is a lake in Rovaniemi County, Finland with a maximum depth of 4 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2025-09-10. 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 Rättilampi 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 Rättilampi

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

Very murky, less than 2.3 ft of visibility. Phosphorus 20.5 µg/L. Chlorophyll-a 7.5 µg/L. TSI 54.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)0.7mMeasured, not scored

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

Total phosphorus20.5µg/LMeasured, not scored

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

Chlorophyll-a (algae)7.5µg/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.54Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Rättilampi

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

Lake Details

Max depth

1.3 m

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Frequently asked questions about Rättilampi

Where is Rättilampi?

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

What is the water quality of Rättilampi?

Rättilampi in Rovaniemi, Finland has official water-quality measurements, shown as reported. Water clarity: 0.7 m visibility. Phosphorus: 20.5 µg/L. Chlorophyll-a (algae): 7.5 µg/L. Maximum depth: 4.3 ft.

Measurements on this page ↑

Is Rättilampi safe to swim in?

Rättilampi 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 Rättilampi?

Rättilampi has a maximum depth of 4.3 feet.

Where this data comes from

21 measurements from 1 monitoring station, 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-vesla21 samples · 2017–2025

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 37782

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