Mörtträsket Lake
Mörtträsket Lake in Inkoo, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 3 m visibility. Phosphorus: 17 µg/L. Maximum depth: 26.2 ft.
- Clarity
- 3 m
- Max depth
- 8 m
Why Mörtträsket Lake has no A–F grade
Mörtträsket Lake 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 and phosphorus, but not 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.
Mörtträsket Lake is a lake in Inkoo County, Finland with a maximum depth of 26 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2022-09-08. 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 Mörtträsket Lake
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Moderate clarity, visible to about 9.8 ft. Phosphorus level: 17 µg/L. Trophic State Index: 45.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3 m | Not graded |
| Phosphorus | 17 µg/L | Not graded |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 45 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 8 m |
Where to stay near Mörtträsket Lake
Compare lakeside cabins, hotels, and vacation rentals near Mörtträsket Lake in Inkoo, 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 Mörtträsket Lake
Frequently asked questions about Mörtträsket Lake
What is the water quality of Mörtträsket Lake?
- Mörtträsket Lake in Inkoo, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 3 m visibility. Phosphorus: 17 µg/L. Maximum depth: 26.2 ft.
Is Mörtträsket Lake safe to swim in?
- Mörtträsket Lake 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 Mörtträsket Lake?
- Mörtträsket Lake has a maximum depth of 26.2 feet.
Explore Mörtträsket Lake across LakeGrade
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Where this data comes from
2 measurements from 1 monitoring station, 2022. 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-vesla2 samples · 2022
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
91512
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: 2022-09-08
Monitoring stations: 1