Bjannsjon
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HaV publishes the water-quality measurements for Bjannsjon. Here is what has been measured.
- Limited data
Bjannsjon in Sweden has official water-quality measurements, shown as reported. Water clarity: 2.1 m visibility. Phosphorus: 9.4 µg/L. Chlorophyll-a (algae): 2.7 µg/L.
How Bjannsjon is classified
Bjannsjon in Sweden 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, 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 Swedish Agency for Marine and Water Management, via UNEP GEMS/Water.
Bjannsjon is a lake in Unknown County, Sweden.
Source: the Swedish Agency for Marine and Water Management, via UNEP GEMS/Water — not the EPA Water Quality Portal, last sampled 2023-10-03. 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 Bjannsjon is safe to swim in today is a call for the Swedish Agency for Marine and Water Management, via UNEP GEMS/Water and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Bjannsjon
These are the measurements HaV publishes for Bjannsjon. More on the source.
Moderate clarity, visible to about 6.9 ft. Phosphorus 9.4 µg/L. Chlorophyll-a 2.7 µg/L. TSI 42.
| 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 | 9.4µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 2.7µg/L | Measured, not scored 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. | 42 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
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Answers come straight from the public measurements and survey records on this page.
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Frequently asked questions about Bjannsjon
Where is Bjannsjon?
- Bjannsjon is a lake in Sweden. This page reports official water-quality measurements, shown as reported.
What is the water quality of Bjannsjon?
- Bjannsjon in Sweden has official water-quality measurements, shown as reported. Water clarity: 2.1 m visibility. Phosphorus: 9.4 µg/L. Chlorophyll-a (algae): 2.7 µg/L.
Is Bjannsjon safe to swim in?
- Bjannsjon 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.
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Where this data comes from
80 measurements from 1 monitoring station, 2016–2023. Retrieved from UNEP GEMS/Water GFQA (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- European Environment Agency
europeanenvironmentagenc80 samples · —
Analytical methods
- GEMStat OPEN / CC BY 4.0
Monitoring station identifiers (1)
SWE00284
Authority classifications are shown as the authority published them. See where the data comes from and data sources.