Where is Siesikų Ež. Lake?

Siesikų Ež. Lake is a lake in Vilniaus, Lithuania. This page reports official water-quality measurements, shown as reported.

Is Siesikų Ež. Lake safe to swim in?

Siesikų Ež. 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.

Siesikų Ež. Lake

Vilniaus, LithuaniaView map Directions

AAA publishes the water-quality measurements for Siesikų Ež. Lake. Here is what has been measured.

Clarity

1.2 m

Murkier than most

Secchi · sampled 2019

Phosphorus

15 µg/L

Less phosphorus than most

Measured by AAA

Chlorophyll-a

16.5 µg/L

More algae than most

Measured by AAA

Limited data

See the measurements Directions Where to stay

Siesikų Ež. Lake in Vilniaus, Lithuania has official water-quality measurements, shown as reported. Water clarity: 1.2 m visibility. Phosphorus: 15 µg/L. Chlorophyll-a (algae): 16.5 µg/L.

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How Siesikų Ež. Lake is classified

Siesikų Ež. 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).

Siesikų Ež. Lake is a lake in Vilniaus County, Lithuania.

Source: the Environmental Protection Agency of Lithuania (Aplinkos apsaugos agentūra) — not the EPA Water Quality Portal, last sampled 2019-10-09. Methodology: how these readings are compared.

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Siesikų Ež. 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.

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Water quality measurements for Siesikų Ež. Lake

These are the measurements AAA publishes for Siesikų Ež. Lake. More on the source.

Murky, only visible to about 3.9 ft. Phosphorus 15 µg/L. Chlorophyll-a 16.5 µg/L. TSI 53.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	1.2m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	15µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	16.5µg/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.	53	Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

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Answers come straight from the public measurements and survey records on this page.

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Stays near Siesikų Ež. Lake

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Fishing Siesikų Ež. Lake

→ Siesikų Ež. Lake fishing regulations (limits, seasons, special rules)

Frequently asked questions about Siesikų Ež. Lake

Where is Siesikų Ež. Lake?: Siesikų Ež. Lake is a lake in Vilniaus, Lithuania. This page reports official water-quality measurements, shown as reported.
What is the water quality of Siesikų Ež. Lake?: Siesikų Ež. Lake in Vilniaus, Lithuania has official water-quality measurements, shown as reported. Water clarity: 1.2 m visibility. Phosphorus: 15 µg/L. Chlorophyll-a (algae): 16.5 µg/L.
Is Siesikų Ež. Lake safe to swim in?: Siesikų Ež. 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, 2019. 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 · 2019

Analytical methods

AAA lake state monitoring

Monitoring station identifiers (1)

LTL280

Authority classifications are shown as the authority published them. See where the data comes from and data sources.