Saadjärv is a lake in Tartu, Estonia. This page reports official water-quality measurements, shown as reported.

Is Saadjärv safe to swim in?

Saadjärv 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 Saadjärv?

Saadjärv has a maximum depth of 82 feet. The lake covers 1787.3 acres.

Saadjärv

Tartu, Estonia723 haView map Directions

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

Clarity

4.8 m

Clearer than most

Secchi · sampled 2016

Phosphorus

16 µg/L

Less phosphorus than most

Measured by KAUR

Chlorophyll-a

1.8 µg/L

Less algae than most

Measured by KAUR

Max depth

25 m

Bathymetric survey

Area

723 ha

Surface area

82 ft max depth
Limited data

See the measurements Directions Where to stay

Saadjärv in Tartu, Estonia has official water-quality measurements, shown as reported. Water clarity: 4.8 m visibility. Phosphorus: 16 µg/L. Chlorophyll-a (algae): 1.8 µg/L. Maximum depth: 82 ft. Surface area: 1787.3 acres.

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How Saadjärv is classified

Saadjärv 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).

Saadjärv is a 1,787-acre lake in Tartu County, Estonia with a maximum depth of 82 feet.

Source: the Estonian Environment Agency (Keskkonnaagentuur) — not the EPA Water Quality Portal, last sampled 2016-09-19. Methodology: how these readings are compared.

What Saadjärv is good for

From access and monitoring records, not editorial picks.

Clear water15.7 ft of visibility
Deep water82 ft surveyed max depth
Big water1,787 acres

Swimming conditions

No reading

Limited data

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

Whether Saadjärv 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 Saadjärv

These are the measurements KAUR publishes for Saadjärv. More on the source.

Crystal clear, you can see 15.7 ft down. Phosphorus 16 µg/L. Chlorophyll-a 1.8 µg/L. TSI 39.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	4.8m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	16µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	1.8µg/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.	39	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

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

Ask about Saadjärv

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

Lake Details

Max depth

25 m

Surface area

723 ha

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Fishing Saadjärv

→ Saadjärv fishing regulations (limits, seasons, special rules)

Frequently asked questions about Saadjärv

Where is Saadjärv?: Saadjärv is a lake in Tartu, Estonia. This page reports official water-quality measurements, shown as reported.
What is the water quality of Saadjärv?: Saadjärv in Tartu, Estonia has official water-quality measurements, shown as reported. Water clarity: 4.8 m visibility. Phosphorus: 16 µg/L. Chlorophyll-a (algae): 1.8 µg/L. Maximum depth: 82 ft. Surface area: 1787.3 acres.
Is Saadjärv safe to swim in?: Saadjärv 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 Saadjärv?: Saadjärv has a maximum depth of 82 feet. The lake covers 1787.3 acres.

Explore Saadjärv across LakeQuality

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Where this data comes from

30 measurements from 1 monitoring station, 2016. 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 · 2016

Analytical methods

KESE I-level monitoring

Monitoring station identifiers (1)

SJA4568000

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