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LakeQuality

Aarlammi

Hyvinkää, FinlandView mapDirections

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

Clarity
1.4 m
Typical for Finland
Secchi · sampled 2017
Phosphorus
43 µg/L
More phosphorus than most
Measured by Syke
Chlorophyll-a
76 µg/L
More algae than most
Measured by Syke
Max depth
17 m
Bathymetric survey
  • 56 ft max depth
  • Limited data

Aarlammi in Hyvinkää, Finland has official water-quality measurements, shown as reported. Water clarity: 1.4 m visibility. Phosphorus: 43 µg/L. Chlorophyll-a (algae): 76 µg/L. Maximum depth: 55.8 ft.

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How Aarlammi is classified

Aarlammi 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.

Aarlammi is a lake in Hyvinkää County, Finland with a maximum depth of 56 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2017-08-15. Methodology: how these readings are compared.

What Aarlammi is good for

From access and monitoring records, not editorial picks.

  • Deep water55.8 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 Aarlammi 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 Aarlammi

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

Murky, only visible to about 4.4 ft. Phosphorus 43 µg/L. Chlorophyll-a 76 µg/L. TSI 62.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)1.35mMeasured, not scored

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

Total phosphorus43µg/LMeasured, not scored

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

Chlorophyll-a (algae)76µg/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.62Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Aarlammi

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

Lake Details

Max depth

17 m

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Fishing Aarlammi

Frequently asked questions about Aarlammi

Where is Aarlammi?

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

What is the water quality of Aarlammi?

Aarlammi in Hyvinkää, Finland has official water-quality measurements, shown as reported. Water clarity: 1.4 m visibility. Phosphorus: 43 µg/L. Chlorophyll-a (algae): 76 µg/L. Maximum depth: 55.8 ft.

Measurements on this page ↑

Is Aarlammi safe to swim in?

Aarlammi 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 Aarlammi?

Aarlammi has a maximum depth of 55.8 feet.

Where this data comes from

5 measurements from 1 monitoring station, 2017. 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-vesla5 samples · 2017

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 50758

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