Laihalampi
Laihalampi in Hartola, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.5 m visibility. Phosphorus: 100 µg/L. Chlorophyll-a (algae): 69 µg/L.
- Clarity
- 0.5 m
Why Laihalampi has no A–F grade
Laihalampi 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.
Laihalampi is a lake in Hartola County, Finland.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2026-08-03. 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 Laihalampi
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Very murky, less than 1.6 ft of visibility. Phosphorus level: 100 µg/L. Chlorophyll-a: 69 µg/L. Trophic State Index: 71.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.5 m | Not graded |
| Phosphorus | 100 µg/L | Not graded |
| Chlorophyll-a (Algae) | 69 µg/L | Not graded |
| Trophic State Index (TSI) | 71 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Laihalampi
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Fishing Laihalampi
Frequently asked questions about Laihalampi
What is the water quality of Laihalampi?
- Laihalampi in Hartola, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.5 m visibility. Phosphorus: 100 µg/L. Chlorophyll-a (algae): 69 µg/L.
Is Laihalampi safe to swim in?
- Laihalampi 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.
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Where this data comes from
3 measurements from 1 monitoring station, 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-vesla3 samples · 2026
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
81566
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: 2026-08-03
Monitoring stations: 1