Majajärvi
Majajärvi in Mänttä-Vilppula, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1.8 m visibility. Phosphorus: 13 µg/L. Chlorophyll-a (algae): 1.3 µg/L. Maximum depth: 38.7 ft.
- Clarity
- 1.8 m
- Max depth
- 11.8 m
Why Majajärvi has no A–F grade
Majajärvi 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.
Majajärvi is a lake in Mänttä-Vilppula County, Finland with a maximum depth of 39 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2025-10-08. 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 Majajärvi
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Murky, only visible to about 5.9 ft. Phosphorus level: 13 µg/L. Chlorophyll-a: 1.3 µg/L. Trophic State Index: 42.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.8 m | Not graded |
| Phosphorus | 13 µg/L | Not graded |
| Chlorophyll-a (Algae) | 1.3 µg/L | Not graded |
| Trophic State Index (TSI) | 42 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 11.8 m |
Where to stay near Majajärvi
Compare lakeside cabins, hotels, and vacation rentals near Majajärvi in Mänttä-Vilppula, 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 Majajärvi
Frequently asked questions about Majajärvi
What is the water quality of Majajärvi?
- Majajärvi in Mänttä-Vilppula, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1.8 m visibility. Phosphorus: 13 µg/L. Chlorophyll-a (algae): 1.3 µg/L. Maximum depth: 38.7 ft.
Is Majajärvi safe to swim in?
- Majajärvi 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 Majajärvi?
- Majajärvi has a maximum depth of 38.7 feet.
Explore Majajärvi across LakeGrade
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Where this data comes from
7 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-vesla7 samples · 2025
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
8458
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: 2025-10-08
Monitoring stations: 1