Ylä-Kesiö Lake
Heinola, FinlandView mapDirections
Syke publishes the water-quality measurements for Ylä-Kesiö Lake. Here is what has been measured.
- Limited data
Ylä-Kesiö Lake in Heinola, Finland has official water-quality measurements, shown as reported. Water clarity: 1.9 m visibility. Phosphorus: 11.5 µg/L. Chlorophyll-a (algae): 4 µg/L.
How Ylä-Kesiö Lake is classified
Ylä-Kesiö Lake 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.
Ylä-Kesiö Lake is a lake in Heinola County, Finland.
Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2025-07-29. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Ylä-Kesiö Lake 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.
Water quality measurements for Ylä-Kesiö Lake
These are the measurements Syke publishes for Ylä-Kesiö Lake. More on the source.
Murky, only visible to about 6.2 ft. Phosphorus 11.5 µg/L. Chlorophyll-a 4 µg/L. TSI 45.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.9m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 11.5µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 4µg/L | Measured, 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. | 45 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
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Frequently asked questions about Ylä-Kesiö Lake
Where is Ylä-Kesiö Lake?
- Ylä-Kesiö Lake is a lake in Heinola, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Ylä-Kesiö Lake?
- Ylä-Kesiö Lake in Heinola, Finland has official water-quality measurements, shown as reported. Water clarity: 1.9 m visibility. Phosphorus: 11.5 µg/L. Chlorophyll-a (algae): 4 µg/L.
Is Ylä-Kesiö Lake safe to swim in?
- Ylä-Kesiö Lake 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.
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Where this data comes from
4 measurements from 1 monitoring station, 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 Centres
syke-vesla4 samples · 2025
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
70758
Authority classifications are shown as the authority published them. See where the data comes from and data sources.