Korkatti Lake
Korkatti Lake in Haapavesi, Finland has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 246 µg/L. Chlorophyll-a (algae): 13 µg/L. Maximum depth: 3.3 ft.
- Max depth
- 1 m
Why Korkatti Lake has no A–F grade
Korkatti 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 phosphorus and algae (chlorophyll-a), but not water clarity.
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.
Korkatti Lake is a lake in Haapavesi County, Finland with a maximum depth of 3 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2017-08-15. 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 Korkatti Lake
These readings exist but do not meet the evidence bar for an A–F grade — see why.
No clarity data. Phosphorus level: 246 µg/L. Chlorophyll-a: 13 µg/L. Trophic State Index: 70.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 246 µg/L | Not graded |
| Chlorophyll-a (Algae) | 13 µg/L | Not graded |
| Trophic State Index (TSI) | 70 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 1 m |
Where to stay near Korkatti Lake
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Fishing Korkatti Lake
Frequently asked questions about Korkatti Lake
What is the water quality of Korkatti Lake?
- Korkatti Lake in Haapavesi, Finland has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 246 µg/L. Chlorophyll-a (algae): 13 µg/L. Maximum depth: 3.3 ft.
Is Korkatti Lake safe to swim in?
- Korkatti 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 Korkatti Lake?
- Korkatti Lake has a maximum depth of 3.3 feet.
Explore Korkatti Lake across LakeGrade
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Where this data comes from
4 measurements from 1 monitoring station, 2017. 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-vesla4 samples · 2017
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
27792
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: 2017-08-15
Monitoring stations: 1