Vihnusjärvi
Vihnusjärvi in Nokia, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1.6 m visibility. Phosphorus: 12 µg/L. Chlorophyll-a (algae): 5.7 µg/L. Maximum depth: 56.1 ft.
- Clarity
- 1.6 m
- Max depth
- 17.1 m
Why Vihnusjärvi has no A–F grade
Vihnusjärvi 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.
Vihnusjärvi is a lake in Nokia County, Finland with a maximum depth of 56 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2026-05-06. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Vihnusjärvi
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Murky, only visible to about 5.2 ft. Phosphorus level: 12 µg/L. Chlorophyll-a: 5.7 µg/L. Trophic State Index: 47.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.6 m | Not graded |
| Phosphorus | 12 µg/L | Not graded |
| Chlorophyll-a (Algae) | 5.7 µg/L | Not graded |
| Trophic State Index (TSI) | 47 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 17.1 m |
Where to stay near Vihnusjärvi
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Fishing Vihnusjärvi
Frequently asked questions about Vihnusjärvi
What is the water quality of Vihnusjärvi?
- Vihnusjärvi in Nokia, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1.6 m visibility. Phosphorus: 12 µg/L. Chlorophyll-a (algae): 5.7 µg/L. Maximum depth: 56.1 ft.
Is Vihnusjärvi safe to swim in?
- Vihnusjärvi 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 Vihnusjärvi?
- Vihnusjärvi has a maximum depth of 56.1 feet.
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Where this data comes from
131 measurements from 2 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 Centres
syke-vesla131 samples · 2016–2026
Analytical methods
- SYKE VESLA
Monitoring station identifiers (2)
76827672
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: 2026-05-06
Monitoring stations: 2