Where is Šiurpys Lake?

Šiurpys Lake is a lake in Utenos, Lithuania. This page reports official water-quality measurements, shown as reported.

Is Šiurpys Lake safe to swim in?

Šiurpys 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.

Šiurpys Lake

Utenos, LithuaniaView map Directions

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

Clarity

7.3 m

Clearer than most

Secchi · sampled 2022

Phosphorus

10 µg/L

Less phosphorus than most

Measured by AAA

Chlorophyll-a

2.1 µg/L

Less algae than most

Measured by AAA

Limited data

See the measurements Directions Where to stay

Šiurpys Lake in Utenos, Lithuania has official water-quality measurements, shown as reported. Water clarity: 7.3 m visibility. Phosphorus: 10 µg/L. Chlorophyll-a (algae): 2.1 µg/L.

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How Šiurpys Lake is classified

Šiurpys 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).

Šiurpys Lake is a lake in Utenos County, Lithuania.

Source: the Environmental Protection Agency of Lithuania (Aplinkos apsaugos agentūra) — not the EPA Water Quality Portal, last sampled 2022-10-24. Methodology: how these readings are compared.

What Šiurpys Lake is good for

From access and monitoring records, not editorial picks.

Clear water23.8 ft of visibility

Swimming conditions

No reading

Limited data

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

Whether Šiurpys 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 Šiurpys Lake

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

Crystal clear, you can see 23.8 ft down. Phosphorus 10 µg/L. Chlorophyll-a 2.1 µg/L. TSI 36.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	7.25m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	10µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	2.1µg/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.	36	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

Low nutrients, clear water. No reading is a swimming clearance.

Ask about Šiurpys Lake

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

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Stays near Šiurpys Lake

Compare lakeside cabins, hotels, and vacation rentals near Šiurpys Lake in Utenos, 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 Šiurpys Lake

→ Šiurpys Lake fishing regulations (limits, seasons, special rules)

Frequently asked questions about Šiurpys Lake

Where is Šiurpys Lake?: Šiurpys Lake is a lake in Utenos, Lithuania. This page reports official water-quality measurements, shown as reported.
What is the water quality of Šiurpys Lake?: Šiurpys Lake in Utenos, Lithuania has official water-quality measurements, shown as reported. Water clarity: 7.3 m visibility. Phosphorus: 10 µg/L. Chlorophyll-a (algae): 2.1 µg/L.
Is Šiurpys Lake safe to swim in?: Šiurpys 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

90 measurements from 1 monitoring station, 2017–2022. 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-lt90 samples · 2017–2022

Analytical methods

AAA lake state monitoring

Monitoring station identifiers (1)

LTL311

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