Akmena Lake
Akmena Lake in Vilniaus, Lithuania has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 5.8 m visibility. Phosphorus: 19 µg/L. Chlorophyll-a (algae): 3.8 µg/L.
- Clarity
- 5.8 m
Why Akmena Lake has no A–F grade
Akmena Lake in Lithuania 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 Environmental Protection Agency of Lithuania (Aplinkos apsaugos agentūra).
Akmena Lake is a lake in Vilniaus County, Lithuania.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2021-09-22. 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 Akmena Lake
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Crystal clear, you can see 18.9 ft down. Phosphorus level: 19 µg/L. Chlorophyll-a: 3.8 µg/L. Trophic State Index: 42.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.75 m | Not graded |
| Phosphorus | 19 µg/L | Not graded |
| Chlorophyll-a (Algae) | 3.8 µg/L | Not graded |
| Trophic State Index (TSI) | 42 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Akmena Lake
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Fishing Akmena Lake
Frequently asked questions about Akmena Lake
What is the water quality of Akmena Lake?
- Akmena Lake in Vilniaus, Lithuania has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 5.8 m visibility. Phosphorus: 19 µg/L. Chlorophyll-a (algae): 3.8 µg/L.
Is Akmena Lake safe to swim in?
- Akmena 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.
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Where this data comes from
11 measurements from 1 monitoring station, 2021. Retrieved from Lithuanian lake state monitoring (AAA; not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Environmental Protection Agency of Lithuania (Aplinkos apsaugos agentūra)
aaa-lt11 samples · 2021
Analytical methods
- AAA lake state monitoring
Monitoring station identifiers (1)
LTL460
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: 2021-09-22
Monitoring stations: 1