Where is Raznas Ezers?

Raznas Ezers is a lake in Latvia. This page reports official water-quality measurements, shown as reported.

Is Raznas Ezers safe to swim in?

Raznas Ezers 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.

Raznas Ezers

LatviaView map Directions

LEGMC publishes the water-quality measurements for Raznas Ezers. Here is what has been measured.

Clarity

3.9 m

Clearer than most

Secchi · sampled 2021

Phosphorus

15.4 µg/L

Less phosphorus than most

Measured by LEGMC

Chlorophyll-a

4 µg/L

Less algae than most

Measured by LEGMC

Limited data

See the measurements Directions Where to stay

Raznas Ezers in Latvia has official water-quality measurements, shown as reported. Water clarity: 3.9 m visibility. Phosphorus: 15.4 µg/L. Chlorophyll-a (algae): 4 µg/L.

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How Raznas Ezers is classified

Raznas Ezers in Latvia 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 Latvian Environment, Geology and Meteorology Centre, via UNEP GEMS/Water.

Raznas Ezers is a lake in Unknown County, Latvia.

Source: the Latvian Environment, Geology and Meteorology Centre, via UNEP GEMS/Water — not the EPA Water Quality Portal, last sampled 2021-10-13. Methodology: how these readings are compared.

What Raznas Ezers is good for

From access and monitoring records, not editorial picks.

Clear water12.8 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 Raznas Ezers is safe to swim in today is a call for the Latvian Environment, Geology and Meteorology Centre, via UNEP GEMS/Water and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Raznas Ezers

These are the measurements LEGMC publishes for Raznas Ezers. More on the source.

Good clarity, visible to about 12.8 ft. Phosphorus 15.4 µg/L. Chlorophyll-a 4 µg/L. TSI 43.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	3.9m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	15.4µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	4µg/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.	43	Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Raznas Ezers

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

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Stays near Raznas Ezers

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Fishing Raznas Ezers

→ Raznas Ezers fishing regulations (limits, seasons, special rules)

Frequently asked questions about Raznas Ezers

Where is Raznas Ezers?: Raznas Ezers is a lake in Latvia. This page reports official water-quality measurements, shown as reported.
What is the water quality of Raznas Ezers?: Raznas Ezers in Latvia has official water-quality measurements, shown as reported. Water clarity: 3.9 m visibility. Phosphorus: 15.4 µg/L. Chlorophyll-a (algae): 4 µg/L.
Is Raznas Ezers safe to swim in?: Raznas Ezers 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

8 measurements from 1 monitoring station, 2021. Retrieved from UNEP GEMS/Water GFQA (not the EPA Water Quality Portal) on 2026-08-16.

Collected and reported by

European Environment Agencyeuropeanenvironmentagenc8 samples · —

Analytical methods

GEMStat OPEN / CC BY 4.0

Monitoring station identifiers (1)

LVA00104

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