Vanhankylänjärvi Gammelby Träsk
Vanhankylänjärvi Gammelby Träsk in Loviisa, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.3 m visibility. Phosphorus: 100 µg/L. Chlorophyll-a (algae): 48 µg/L. Maximum depth: 3.3 ft.
- Clarity
- 0.3 m
- Max depth
- 1 m
Why Vanhankylänjärvi Gammelby Träsk has no A–F grade
Vanhankylänjärvi Gammelby Träsk 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.
Vanhankylänjärvi Gammelby Träsk is a lake in Loviisa County, Finland with a maximum depth of 3 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2026-07-23. Grade methodology: LakeGrade methodology.
Watch Vanhankylänjärvi Gammelby Träsk water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Vanhankylänjärvi Gammelby Träsk
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Very murky, less than 1 ft of visibility. Phosphorus level: 100 µg/L. Chlorophyll-a: 48 µg/L. Trophic State Index: 72.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.3 m | Not graded |
| Phosphorus | 100 µg/L | Not graded |
| Chlorophyll-a (Algae) | 48 µg/L | Not graded |
| Trophic State Index (TSI) | 72 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 1 m |
Where to stay near Vanhankylänjärvi Gammelby Träsk
Compare lakeside cabins, hotels, and vacation rentals near Vanhankylänjärvi Gammelby Träsk in Loviisa, 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 Vanhankylänjärvi Gammelby Träsk
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Fishing Vanhankylänjärvi Gammelby Träsk
Frequently asked questions about Vanhankylänjärvi Gammelby Träsk
What is the water quality of Vanhankylänjärvi Gammelby Träsk?
- Vanhankylänjärvi Gammelby Träsk in Loviisa, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.3 m visibility. Phosphorus: 100 µg/L. Chlorophyll-a (algae): 48 µg/L. Maximum depth: 3.3 ft.
Is Vanhankylänjärvi Gammelby Träsk safe to swim in?
- Vanhankylänjärvi Gammelby Träsk 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 Vanhankylänjärvi Gammelby Träsk?
- Vanhankylänjärvi Gammelby Träsk has a maximum depth of 3.3 feet.
Explore Vanhankylänjärvi Gammelby Träsk across LakeGrade
More lakes in Finland
Where this data comes from
13 measurements from 1 monitoring station, 2019–2026. 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-vesla13 samples · 2019–2026
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
2564
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: 2026-07-23
Monitoring stations: 1