Where is Nõuni Järv?

Nõuni Järv is a lake in Valga, Estonia. This page reports official water-quality measurements, shown as reported.

Is Nõuni Järv safe to swim in?

Nõuni Järv 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.

How deep is Nõuni Järv?

Nõuni Järv has a maximum depth of 50.5 feet. The lake covers 205.8 acres.

Nõuni Järv

Valga, Estonia83 haView map Directions

KAUR publishes the water-quality measurements for Nõuni Järv. Here is what has been measured.

Clarity

4.2 m

Clearer than most

Secchi · sampled 2021

Phosphorus

22 µg/L

Less phosphorus than most

Measured by KAUR

Chlorophyll-a

3.6 µg/L

Less algae than most

Measured by KAUR

Max depth

15.4 m

Bathymetric survey

Area

83 ha

Surface area

51 ft max depth
Limited data

See the measurements Directions Where to stay

Nõuni Järv in Valga, Estonia has official water-quality measurements, shown as reported. Water clarity: 4.2 m visibility. Phosphorus: 22 µg/L. Chlorophyll-a (algae): 3.6 µg/L. Maximum depth: 50.5 ft. Surface area: 205.8 acres.

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How Nõuni Järv is classified

Nõuni Järv in Estonia 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 Estonian Environment Agency (Keskkonnaagentuur).

Nõuni Järv is a 206-acre lake in Valga County, Estonia with a maximum depth of 51 feet.

Source: the Estonian Environment Agency (Keskkonnaagentuur) — not the EPA Water Quality Portal, last sampled 2021-09-07. Methodology: how these readings are compared.

What Nõuni Järv is good for

From access and monitoring records, not editorial picks.

Clear water13.6 ft of visibility
Deep water50.5 ft surveyed max depth

Swimming conditions

No reading

Limited data

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

Whether Nõuni Järv is safe to swim in today is a call for the Estonian Environment Agency (Keskkonnaagentuur) and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Nõuni Järv

These are the measurements KAUR publishes for Nõuni Järv. More on the source.

Good clarity, visible to about 13.6 ft. Phosphorus 22 µg/L. Chlorophyll-a 3.6 µg/L. TSI 44.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	4.15m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	22µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	3.6µg/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.	44	Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Nõuni Järv

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

Lake Details

Max depth

15.4 m

Surface area

83 ha

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Fishing Nõuni Järv

→ Nõuni Järv fishing regulations (limits, seasons, special rules)

Frequently asked questions about Nõuni Järv

Where is Nõuni Järv?: Nõuni Järv is a lake in Valga, Estonia. This page reports official water-quality measurements, shown as reported.
What is the water quality of Nõuni Järv?: Nõuni Järv in Valga, Estonia has official water-quality measurements, shown as reported. Water clarity: 4.2 m visibility. Phosphorus: 22 µg/L. Chlorophyll-a (algae): 3.6 µg/L. Maximum depth: 50.5 ft. Surface area: 205.8 acres.
Is Nõuni Järv safe to swim in?: Nõuni Järv 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.
How deep is Nõuni Järv?: Nõuni Järv has a maximum depth of 50.5 feet. The lake covers 205.8 acres.

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Where this data comes from

30 measurements from 2 monitoring stations, 2021. Retrieved from KESE / Estonian Environment Agency (not the EPA Water Quality Portal) on 2026-08-16.

Collected and reported by

Estonian Environment Agency (Keskkonnaagentuur)kese-ee30 samples · 2021

Analytical methods

KESE I-level monitoring

Monitoring station identifiers (2)

SJA6202000
SJA6202003

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