Honka-Jälä Lake
Siilinjärvi, FinlandView mapDirections
Syke publishes the water-quality measurements for Honka-Jälä Lake. Here is what has been measured.
- 43 ft max depth
- Limited data
Honka-Jälä Lake in Siilinjärvi, Finland has official water-quality measurements, shown as reported. Water clarity: 2.1 m visibility. Maximum depth: 42.7 ft.
How Honka-Jälä Lake is classified
Honka-Jälä Lake in Finland is published with the authority's own measurements and class. The measurements here are published by the agency that samples the lake, as reported. Sampling here has recorded water clarity, but not phosphorus and algae (chlorophyll-a).
LakeQuality publishes no grade of its own beside it. Everything below thathas been measured is reported on this page.
Monitoring: the Finnish Environment Institute (Syke) and the ELY Centres.
Honka-Jälä Lake is a lake in Siilinjärvi County, Finland with a maximum depth of 43 feet.
Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2025-10-21. Methodology: how these readings are compared.
What Honka-Jälä Lake is good for
From access and monitoring records, not editorial picks.
- Deep water42.7 ft surveyed max depth
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Honka-Jälä Lake is safe to swim in today is a call for the Finnish Environment Institute (Syke) and the ELY Centres and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Honka-Jälä Lake
These are the measurements Syke publishes for Honka-Jälä Lake. More on the source.
Moderate clarity, visible to about 6.9 ft. TSI 49.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.1m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 49 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Honka-Jälä Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
13 m
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Fishing Honka-Jälä Lake
Frequently asked questions about Honka-Jälä Lake
Where is Honka-Jälä Lake?
- Honka-Jälä Lake is a lake in Siilinjärvi, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Honka-Jälä Lake?
- Honka-Jälä Lake in Siilinjärvi, Finland has official water-quality measurements, shown as reported. Water clarity: 2.1 m visibility. Maximum depth: 42.7 ft.
Is Honka-Jälä Lake safe to swim in?
- Honka-Jälä 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 Honka-Jälä Lake?
- Honka-Jälä Lake has a maximum depth of 42.7 feet.
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Where this data comes from
19 measurements from 1 monitoring station, 2017–2025. 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-vesla19 samples · 2017–2025
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
18651
Authority classifications are shown as the authority published them. See where the data comes from and data sources.