Harolanlahti Lake
Orivesi, FinlandView mapDirections
Syke publishes the water-quality measurements for Harolanlahti Lake. Here is what has been measured.
- 49 ft max depth
- Limited data
Harolanlahti Lake in Orivesi, Finland has official water-quality measurements, shown as reported. Water clarity: 1.7 m visibility. Phosphorus: 13 µg/L. Maximum depth: 49.2 ft.
How Harolanlahti Lake is classified
Harolanlahti 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 and phosphorus, but not 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.
Harolanlahti Lake is a lake in Orivesi County, Finland with a maximum depth of 49 feet.
Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2018-04-03. Methodology: how these readings are compared.
What Harolanlahti Lake is good for
From access and monitoring records, not editorial picks.
- Deep water49.2 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 Harolanlahti 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 Harolanlahti Lake
These are the measurements Syke publishes for Harolanlahti Lake. More on the source.
Murky, only visible to about 5.6 ft. Phosphorus 13 µg/L. TSI 47.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.7m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 13µg/L | Measured, not scored 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. | 47 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Harolanlahti Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
15 m
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Fishing Harolanlahti Lake
Frequently asked questions about Harolanlahti Lake
Where is Harolanlahti Lake?
- Harolanlahti Lake is a lake in Orivesi, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Harolanlahti Lake?
- Harolanlahti Lake in Orivesi, Finland has official water-quality measurements, shown as reported. Water clarity: 1.7 m visibility. Phosphorus: 13 µg/L. Maximum depth: 49.2 ft.
Is Harolanlahti Lake safe to swim in?
- Harolanlahti 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 Harolanlahti Lake?
- Harolanlahti Lake has a maximum depth of 49.2 feet.
Explore Harolanlahti Lake across LakeQuality
More lakes in Finland
Where this data comes from
4 measurements from 1 monitoring station, 2017–2018. 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 · 2017–2018
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
47371
Authority classifications are shown as the authority published them. See where the data comes from and data sources.