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LakeQuality

Pielavesi

NR
Not yet rated
1.7 m clear · Mesotrophic
Limited DataMesotrophic

Pielavesi in Pielavesi, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1.7 m visibility. Phosphorus: 13 µg/L. Chlorophyll-a (algae): 7.3 µg/L. Maximum depth: 95.1 ft.

Clarity
1.7 m
Max depth
29 m
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Why Pielavesi has no A–F grade

Pielavesi 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.

Pielavesi is a lake in Pielavesi County, Finland with a maximum depth of 95 feet.

Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2026-07-16. 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 Pielavesi

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

Murky, only visible to about 5.6 ft. Phosphorus level: 13 µg/L. Chlorophyll-a: 7.3 µg/L. Trophic State Index: 48.

MetricValueGrade
Water Clarity (Secchi Depth)1.7 mNot graded
Phosphorus13 µg/LNot graded
Chlorophyll-a (Algae)7.3 µg/LNot graded
Trophic State Index (TSI)48Mesotrophic

Moderate nutrients, good water quality

Lake Details

CharacteristicValue
Maximum Depth29 m

Where to stay near Pielavesi

Compare lakeside cabins, hotels, and vacation rentals near Pielavesi in Pielavesi, 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 Pielavesi

Frequently asked questions about Pielavesi

What is the water quality of Pielavesi?

Pielavesi in Pielavesi, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1.7 m visibility. Phosphorus: 13 µg/L. Chlorophyll-a (algae): 7.3 µg/L. Maximum depth: 95.1 ft.

Is Pielavesi safe to swim in?

Pielavesi 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 Pielavesi?

Pielavesi has a maximum depth of 95.1 feet.

Where this data comes from

316 measurements from 9 monitoring stations, 2016–2026. 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-vesla316 samples · 2016–2026

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (9)
  • 47730
  • 56422
  • 56421
  • 41927
  • 21002
  • 20966
  • 59378
  • 20951
  • 21657

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: 2026-07-16

Monitoring stations: 9

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