Hornindalsvatnet
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Miljødirektoratet publishes the water-quality measurements for Hornindalsvatnet. Here is what has been measured.
- Limited data
Hornindalsvatnet in Norway has official water-quality measurements, shown as reported. Phosphorus: 2 µg/L. Chlorophyll-a (algae): 1.3 µg/L.
How Hornindalsvatnet is classified
Hornindalsvatnet in Norway 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 phosphorus and algae (chlorophyll-a), but not water clarity.
LakeQuality publishes no grade of its own beside it. Everything below thathas been measured is reported on this page.
Monitoring: the Norwegian Environment Agency, via UNEP GEMS/Water (OPEN GFQA).
Hornindalsvatnet is a lake in Unknown County, Norway.
Source: the Norwegian Environment Agency, via UNEP GEMS/Water (OPEN GFQA) — not the EPA Water Quality Portal, last sampled 2021-10-26. 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 Hornindalsvatnet is safe to swim in today is a call for the Norwegian Environment Agency, via UNEP GEMS/Water (OPEN GFQA) and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Hornindalsvatnet
These are the measurements Miljødirektoratet publishes for Hornindalsvatnet. More on the source.
No clarity data. Phosphorus 2 µg/L. Chlorophyll-a 1.3 µg/L. TSI 23.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 2µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 1.3µg/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. | 23 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
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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 Hornindalsvatnet
Where is Hornindalsvatnet?
- Hornindalsvatnet is a lake in Norway. This page reports official water-quality measurements, shown as reported.
What is the water quality of Hornindalsvatnet?
- Hornindalsvatnet in Norway has official water-quality measurements, shown as reported. Phosphorus: 2 µg/L. Chlorophyll-a (algae): 1.3 µg/L.
Is Hornindalsvatnet safe to swim in?
- Hornindalsvatnet 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
23 measurements from 1 monitoring station, 2017–2021. Retrieved from UNEP GEMS/Water GFQA (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- European Environment Agency
europeanenvironmentagenc23 samples · —
Analytical methods
- GEMStat OPEN / CC BY 4.0
Monitoring station identifiers (1)
NOR00094
Authority classifications are shown as the authority published them. See where the data comes from and data sources.