Ūdrijos Ežeras
Ūdrijos Ežeras in Alytaus, Lithuania has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.5 m visibility. Phosphorus: 145 µg/L. Chlorophyll-a (algae): 63.2 µg/L.
- Clarity
- 0.5 m
Why Ūdrijos Ežeras has no A–F grade
Ūdrijos Ežeras 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).
Ūdrijos Ežeras is a lake in Alytaus County, Lithuania.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2020-09-15. 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 Ūdrijos Ežeras
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Very murky, less than 1.6 ft of visibility. Phosphorus level: 145 µg/L. Chlorophyll-a: 63.2 µg/L. Trophic State Index: 72.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.5 m | Not graded |
| Phosphorus | 145 µg/L | Not graded |
| Chlorophyll-a (Algae) | 63.2 µg/L | Not graded |
| Trophic State Index (TSI) | 72 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Ūdrijos Ežeras
Compare lakeside cabins, hotels, and vacation rentals near Ūdrijos Ežeras in Alytaus, Lithuania — 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 Ūdrijos Ežeras
Frequently asked questions about Ūdrijos Ežeras
What is the water quality of Ūdrijos Ežeras?
- Ūdrijos Ežeras in Alytaus, Lithuania has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.5 m visibility. Phosphorus: 145 µg/L. Chlorophyll-a (algae): 63.2 µg/L.
Is Ūdrijos Ežeras safe to swim in?
- Ūdrijos Ežeras 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
24 measurements from 1 monitoring station, 2017–2020. 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-lt24 samples · 2017–2020
Analytical methods
- AAA lake state monitoring
Monitoring station identifiers (1)
LTL511
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: 2020-09-15
Monitoring stations: 1