Koukkujärvi
Nokia, FinlandView mapDirections
Syke publishes the water-quality measurements for Koukkujärvi. Here is what has been measured.
- 12 ft max depth
- Limited data
Koukkujärvi in Nokia, Finland has official water-quality measurements, shown as reported. Water clarity: 0.5 m visibility. Phosphorus: 32.5 µg/L. Chlorophyll-a (algae): 55 µg/L. Maximum depth: 12.1 ft.
How Koukkujärvi is classified
Koukkujärvi 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.
Koukkujärvi is a lake in Nokia County, Finland with a maximum depth of 12 feet.
Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2017-08-07. 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 Koukkujärvi 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 Koukkujärvi
These are the measurements Syke publishes for Koukkujärvi. More on the source.
Very murky, less than 1.6 ft of visibility. Phosphorus 32.5 µg/L. Chlorophyll-a 55 µg/L. TSI 65.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 0.5m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 32.5µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 55µg/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. | 65 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
3.7 m
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Frequently asked questions about Koukkujärvi
Where is Koukkujärvi?
- Koukkujärvi is a lake in Nokia, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Koukkujärvi?
- Koukkujärvi in Nokia, Finland has official water-quality measurements, shown as reported. Water clarity: 0.5 m visibility. Phosphorus: 32.5 µg/L. Chlorophyll-a (algae): 55 µg/L. Maximum depth: 12.1 ft.
Is Koukkujärvi safe to swim in?
- Koukkujärvi 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 Koukkujärvi?
- Koukkujärvi has a maximum depth of 12.1 feet.
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Where this data comes from
5 measurements from 1 monitoring station, 2017. 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-vesla5 samples · 2017
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
7712
Authority classifications are shown as the authority published them. See where the data comes from and data sources.