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LakeQuality

Viekijärvi

NR
Not yet rated
1.3 m clear · Eutrophic
Limited DataEutrophic

Viekijärvi in Lieksa, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1.3 m visibility. Phosphorus: 28 µg/L. Chlorophyll-a (algae): 8.7 µg/L. Maximum depth: 74.8 ft.

Clarity
1.3 m
Max depth
22.8 m
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Why Viekijärvi has no A–F grade

Viekijärvi 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 water clarity, phosphorus and algae (chlorophyll-a).

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.

Viekijärvi is a lake in Lieksa County, Finland with a maximum depth of 75 feet.

Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2024-09-19. 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 Viekijärvi

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

Murky, only visible to about 4.3 ft. Phosphorus level: 28 µg/L. Chlorophyll-a: 8.7 µg/L. Trophic State Index: 53.

MetricValueGrade
Water Clarity (Secchi Depth)1.3 mNot graded
Phosphorus28 µg/LNot graded
Chlorophyll-a (Algae)8.7 µg/LNot graded
Trophic State Index (TSI)53Eutrophic

High nutrients, frequent algae, reduced clarity

Lake Details

CharacteristicValue
Maximum Depth22.8 m

Where to stay near Viekijärvi

Compare lakeside cabins, hotels, and vacation rentals near Viekijärvi in Lieksa, 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 Viekijärvi

Frequently asked questions about Viekijärvi

What is the water quality of Viekijärvi?

Viekijärvi in Lieksa, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1.3 m visibility. Phosphorus: 28 µg/L. Chlorophyll-a (algae): 8.7 µg/L. Maximum depth: 74.8 ft.

Is Viekijärvi safe to swim in?

Viekijärvi 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 Viekijärvi?

Viekijärvi has a maximum depth of 74.8 feet.

Where this data comes from

120 measurements from 1 monitoring station, 2016–2024. 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-vesla120 samples · 2016–2024

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 23633

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: 2024-09-19

Monitoring stations: 1

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