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LakeQuality

Matkalampi

NR
Not yet rated
Eutrophic
Limited DataEutrophic

Matkalampi in Posio, Finland has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 27.5 µg/L. Chlorophyll-a (algae): 20 µg/L. Maximum depth: 9.2 ft.

Max depth
2.8 m
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Why Matkalampi has no A–F grade

Matkalampi in Finland is published with the authority's own measurements, not a LakeQuality letter. official authority class; not a LakeQuality A–F letter Sampling here has recorded phosphorus and algae (chlorophyll-a), but not water clarity.

A letter on the LakeQuality scale would be an invention, not an official class. Everything below that has been measured is still reported on this page.

Monitoring: the Finnish Environment Institute (Syke) and the ELY Centres.

Matkalampi is a lake in Posio County, Finland with a maximum depth of 9 feet.

Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2022-09-13. Grade methodology: LakeGrade methodology.

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Swimming Safety

Not rated

Limited data

Not rated for swimming — there is not enough monitoring data to judge this lake

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Water quality measurements for Matkalampi

These readings exist but do not meet the evidence bar for an A–F grade — see why.

No clarity data. Phosphorus level: 27.5 µg/L. Chlorophyll-a: 20 µg/L. Trophic State Index: 56.

MetricValueGrade
Water Clarity (Secchi Depth)No recent samples
Phosphorus27.5 µg/LNot graded
Chlorophyll-a (Algae)20 µg/LNot graded
Trophic State Index (TSI)56Eutrophic

High nutrients, frequent algae, reduced clarity

Lake Details

CharacteristicValue
Maximum Depth2.8 m

Where to stay near Matkalampi

Compare lakeside cabins, hotels, and vacation rentals near Matkalampi in Posio, Finland — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

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Fishing Matkalampi

Frequently asked questions about Matkalampi

What is the water quality of Matkalampi?

Matkalampi in Posio, Finland has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 27.5 µg/L. Chlorophyll-a (algae): 20 µg/L. Maximum depth: 9.2 ft.

Is Matkalampi safe to swim in?

Matkalampi 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.

How deep is Matkalampi?

Matkalampi has a maximum depth of 9.2 feet.

Where this data comes from

3 measurements from 1 monitoring station, 2022. 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-vesla3 samples · 2022

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 91423

Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See methodology and data sources.

Data Sources

Water quality data from the EPA Water Quality Portal

Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion

Most recent sample: 2022-09-13

Monitoring stations: 1

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