Kalliojärvi
Hollola, FinlandView mapDirections
Syke publishes the water-quality measurements for Kalliojärvi. Here is what has been measured.
- 10 ft max depth
- Limited data
Kalliojärvi in Hollola, Finland has official water-quality measurements, shown as reported. Water clarity: 1.9 m visibility. Phosphorus: 25 µg/L. Maximum depth: 9.8 ft.
How Kalliojärvi is classified
Kalliojärvi 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.
Kalliojärvi is a lake in Hollola County, Finland with a maximum depth of 10 feet.
Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2023-08-22. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Kalliojärvi 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 Kalliojärvi
These are the measurements Syke publishes for Kalliojärvi. More on the source.
Murky, only visible to about 6.2 ft. Phosphorus 25 µg/L. TSI 51.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.9m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 25µg/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. | 51 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
3 m
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Frequently asked questions about Kalliojärvi
Where is Kalliojärvi?
- Kalliojärvi is a lake in Hollola, Finland. This page reports official water-quality measurements, shown as reported.
What is the water quality of Kalliojärvi?
- Kalliojärvi in Hollola, Finland has official water-quality measurements, shown as reported. Water clarity: 1.9 m visibility. Phosphorus: 25 µg/L. Maximum depth: 9.8 ft.
Is Kalliojärvi safe to swim in?
- Kalliojärvi 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 Kalliojärvi?
- Kalliojärvi has a maximum depth of 9.8 feet.
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Where this data comes from
6 measurements from 1 monitoring station, 2023. 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-vesla6 samples · 2023
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
93288
Authority classifications are shown as the authority published them. See where the data comes from and data sources.