Orivesi
Orivesi in Liperi, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 2.3 m visibility. Phosphorus: 12 µg/L. Chlorophyll-a (algae): 6.6 µg/L. Maximum depth: 233.3 ft.
- Clarity
- 2.3 m
- Max depth
- 71.1 m
Why Orivesi has no A–F grade
Orivesi in Finland is published with the authority's own measurements, not a LakeQuality letter. official authority class; not a LakeQuality A–F letter Sampling here has recorded water clarity, phosphorus and algae (chlorophyll-a).
A letter on the LakeQuality scale would be an invention, not an official class. Everything below that has been measured is still reported on this page.
Monitoring: the Finnish Environment Institute (Syke) and the ELY Centres.
Orivesi is a lake in Liperi County, Finland with a maximum depth of 233 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2026-07-09. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Orivesi
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Moderate clarity, visible to about 7.5 ft. Phosphorus level: 12 µg/L. Chlorophyll-a: 6.6 µg/L. Trophic State Index: 46.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.3 m | Not graded |
| Phosphorus | 12 µg/L | Not graded |
| Chlorophyll-a (Algae) | 6.6 µg/L | Not graded |
| Trophic State Index (TSI) | 46 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 71.1 m |
Where to stay near Orivesi
Compare lakeside cabins, hotels, and vacation rentals near Orivesi in Liperi, Finland — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
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Fishing Orivesi
Frequently asked questions about Orivesi
What is the water quality of Orivesi?
- Orivesi in Liperi, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 2.3 m visibility. Phosphorus: 12 µg/L. Chlorophyll-a (algae): 6.6 µg/L. Maximum depth: 233.3 ft.
Is Orivesi safe to swim in?
- Orivesi 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 Orivesi?
- Orivesi has a maximum depth of 233.3 feet.
Explore Orivesi across LakeGrade
More lakes in Finland
Where this data comes from
654 measurements from 16 monitoring stations, 2016–2026. 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-vesla654 samples · 2016–2026
Analytical methods
- SYKE VESLA
Monitoring station identifiers (16)
22220221962220022078220882209522081221162209722163221452213422160970739707422168
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See methodology and data sources.
Data Sources
Water quality data from the EPA Water Quality Portal
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2026-07-09
Monitoring stations: 16