Iso Työlammi Lake
Iso Työlammi Lake in Sysmä, Finland has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 20.5 µg/L. Maximum depth: 3.3 ft.
- Max depth
- 1 m
Why Iso Työlammi Lake has no A–F grade
Iso Työlammi 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, but not water clarity 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.
Iso Työlammi Lake is a lake in Sysmä County, Finland with a maximum depth of 3 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2025-10-14. 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 Iso Työlammi Lake
These readings exist but do not meet the evidence bar for an A–F grade — see why.
No clarity data. Phosphorus level: 20.5 µg/L. Trophic State Index: 48.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 20.5 µg/L | Not graded |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 48 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 1 m |
Where to stay near Iso Työlammi Lake
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Fishing Iso Työlammi Lake
Frequently asked questions about Iso Työlammi Lake
What is the water quality of Iso Työlammi Lake?
- Iso Työlammi Lake in Sysmä, Finland has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 20.5 µg/L. Maximum depth: 3.3 ft.
Is Iso Työlammi Lake safe to swim in?
- Iso Työlammi 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 Iso Työlammi Lake?
- Iso Työlammi Lake has a maximum depth of 3.3 feet.
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Where this data comes from
20 measurements from 1 monitoring station, 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-vesla20 samples · 2016–2025
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
43818
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: 2025-10-14
Monitoring stations: 1