Vähä-Petäjäjärvi
Juupajoki, FinlandView mapDirections
Syke publishes the water-quality measurements for Vähä-Petäjäjärvi. Here is what has been measured.
- Limited data
Vähä-Petäjäjärvi in Juupajoki, Finland has official water-quality measurements, shown as reported. Water clarity: 2.1 m visibility. Phosphorus: 13.5 µg/L. Chlorophyll-a (algae): 5.6 µg/L.
How Vähä-Petäjäjärvi is classified
Vähä-Petäjäjärvi 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.
Vähä-Petäjäjärvi is a lake in Juupajoki County, Finland.
Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2025-10-01. 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 Vähä-Petäjäjärvi 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 Vähä-Petäjäjärvi
These are the measurements Syke publishes for Vähä-Petäjäjärvi. More on the source.
Moderate clarity, visible to about 6.9 ft. Phosphorus 13.5 µg/L. Chlorophyll-a 5.6 µg/L. TSI 46.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.1m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 13.5µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 5.6µg/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. | 46 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
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Frequently asked questions about Vähä-Petäjäjärvi
Where is Vähä-Petäjäjärvi?
- Vähä-Petäjäjärvi is a lake in Juupajoki, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Vähä-Petäjäjärvi?
- Vähä-Petäjäjärvi in Juupajoki, Finland has official water-quality measurements, shown as reported. Water clarity: 2.1 m visibility. Phosphorus: 13.5 µg/L. Chlorophyll-a (algae): 5.6 µg/L.
Is Vähä-Petäjäjärvi safe to swim in?
- Vähä-Petäjäjärvi 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
6 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-vesla6 samples · 2025
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
62569
Authority classifications are shown as the authority published them. See where the data comes from and data sources.