Vähä Allasjärvi
Vähä Allasjärvi in Alavus, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.6 m visibility. Phosphorus: 47 µg/L. Chlorophyll-a (algae): 26.5 µg/L. Maximum depth: 3.6 ft.
- Clarity
- 0.6 m
- Max depth
- 1.1 m
Why Vähä Allasjärvi has no A–F grade
Vähä Allasjärvi 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.
Vähä Allasjärvi is a lake in Alavus County, Finland with a maximum depth of 4 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2026-03-19. 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 Vähä Allasjärvi
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Very murky, less than 2 ft of visibility. Phosphorus level: 47 µg/L. Chlorophyll-a: 26.5 µg/L. Trophic State Index: 63.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.6 m | Not graded |
| Phosphorus | 47 µg/L | Not graded |
| Chlorophyll-a (Algae) | 26.5 µg/L | Not graded |
| Trophic State Index (TSI) | 63 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 1.1 m |
Where to stay near Vähä Allasjärvi
Compare lakeside cabins, hotels, and vacation rentals near Vähä Allasjärvi in Alavus, Finland — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
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Fishing Vähä Allasjärvi
Frequently asked questions about Vähä Allasjärvi
What is the water quality of Vähä Allasjärvi?
- Vähä Allasjärvi in Alavus, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.6 m visibility. Phosphorus: 47 µg/L. Chlorophyll-a (algae): 26.5 µg/L. Maximum depth: 3.6 ft.
Is Vähä Allasjärvi safe to swim in?
- Vähä Allasjärvi 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 Vähä Allasjärvi?
- Vähä Allasjärvi has a maximum depth of 3.6 feet.
Explore Vähä Allasjärvi across LakeGrade
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Where this data comes from
37 measurements from 2 monitoring stations, 2018–2026. 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-vesla37 samples · 2018–2026
Analytical methods
- SYKE VESLA
Monitoring station identifiers (2)
679944869
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: 2026-03-19
Monitoring stations: 2