Niedus Lake
Alytaus, LithuaniaView mapDirections
AAA publishes the water-quality measurements for Niedus Lake. Here is what has been measured.
- Limited data
Niedus Lake in Alytaus, Lithuania has official water-quality measurements, shown as reported. Water clarity: 2.2 m visibility. Phosphorus: 42 µg/L. Chlorophyll-a (algae): 10.3 µg/L.
How Niedus Lake is classified
Niedus Lake in Lithuania 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 Environmental Protection Agency of Lithuania (Aplinkos apsaugos agentūra).
Niedus Lake is a lake in Alytaus County, Lithuania.
Source: the Environmental Protection Agency of Lithuania (Aplinkos apsaugos agentūra) — not the EPA Water Quality Portal, last sampled 2020-09-21. 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 Niedus Lake is safe to swim in today is a call for the Environmental Protection Agency of Lithuania (Aplinkos apsaugos agentūra) and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Niedus Lake
These are the measurements AAA publishes for Niedus Lake. More on the source.
Moderate clarity, visible to about 7.1 ft. Phosphorus 42 µg/L. Chlorophyll-a 10.3 µg/L. TSI 54.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.15m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 42µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 10.3µg/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. | 54 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Frequently asked questions about Niedus Lake
Where is Niedus Lake?
- Niedus Lake is a lake in Alytaus, Lithuania. This page reports official water-quality measurements, shown as reported.
What is the water quality of Niedus Lake?
- Niedus Lake in Alytaus, Lithuania has official water-quality measurements, shown as reported. Water clarity: 2.2 m visibility. Phosphorus: 42 µg/L. Chlorophyll-a (algae): 10.3 µg/L.
Is Niedus Lake safe to swim in?
- Niedus 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
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)
LTL240
Authority classifications are shown as the authority published them. See where the data comes from and data sources.