Sysmäjärvi
Sysmäjärvi in Outokumpu, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.8 m visibility. Phosphorus: 25 µg/L. Chlorophyll-a (algae): 14 µg/L. Maximum depth: 20 ft.
- Clarity
- 0.8 m
- Max depth
- 6.1 m
Why Sysmäjärvi has no A–F grade
Sysmäjärvi 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.
Sysmäjärvi is a lake in Outokumpu County, Finland with a maximum depth of 20 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2025-11-06. 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 Sysmäjärvi
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Very murky, less than 2.6 ft of visibility. Phosphorus level: 25 µg/L. Chlorophyll-a: 14 µg/L. Trophic State Index: 57.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.8 m | Not graded |
| Phosphorus | 25 µg/L | Not graded |
| Chlorophyll-a (Algae) | 14 µg/L | Not graded |
| Trophic State Index (TSI) | 57 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 6.1 m |
Where to stay near Sysmäjärvi
Compare lakeside cabins, hotels, and vacation rentals near Sysmäjärvi in Outokumpu, 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.
Top-rated places to stay near Sysmäjärvi
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Fishing Sysmäjärvi
Frequently asked questions about Sysmäjärvi
What is the water quality of Sysmäjärvi?
- Sysmäjärvi in Outokumpu, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.8 m visibility. Phosphorus: 25 µg/L. Chlorophyll-a (algae): 14 µg/L. Maximum depth: 20 ft.
Is Sysmäjärvi safe to swim in?
- Sysmäjärvi 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 Sysmäjärvi?
- Sysmäjärvi has a maximum depth of 20 feet.
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Where this data comes from
575 measurements from 10 monitoring stations, 2016–2025. 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-vesla575 samples · 2016–2025
Analytical methods
- SYKE VESLA
Monitoring station identifiers (10)
24331226052260922621226138962883112831138311422631
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: 2025-11-06
Monitoring stations: 10