Hakojärvi
Parkano, FinlandView mapDirections
Syke publishes the water-quality measurements for Hakojärvi. Here is what has been measured.
- Limited data
Hakojärvi in Parkano, Finland has official water-quality measurements, shown as reported. Water clarity: 0.9 m visibility. Phosphorus: 14 µg/L. Chlorophyll-a (algae): 10.3 µg/L.
How Hakojärvi is classified
Hakojärvi 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.
Hakojärvi is a lake in Parkano County, Finland.
Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2026-03-02. 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 Hakojärvi 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 Hakojärvi
These are the measurements Syke publishes for Hakojärvi. More on the source.
Very murky, less than 3 ft of visibility. Phosphorus 14 µg/L. Chlorophyll-a 10.3 µg/L. TSI 52.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 0.9m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 14µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 10.3µg/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. | 52 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Frequently asked questions about Hakojärvi
Where is Hakojärvi?
- Hakojärvi is a lake in Parkano, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Hakojärvi?
- Hakojärvi in Parkano, Finland has official water-quality measurements, shown as reported. Water clarity: 0.9 m visibility. Phosphorus: 14 µg/L. Chlorophyll-a (algae): 10.3 µg/L.
Is Hakojärvi safe to swim in?
- Hakojärvi 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
51 measurements from 1 monitoring station, 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 Centres
syke-vesla51 samples · 2016–2026
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
70484
Authority classifications are shown as the authority published them. See where the data comes from and data sources.