Saadjärv
Saadjärv in Tartu, Estonia has official water-quality measurements, not a LakeQuality A–F grade. 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.
- Clarity
- 4.8 m
- Max depth
- 25 m
- Area
- 723 ha
Why Saadjärv has no A–F grade
Saadjärv in Estonia is published with the authority's own measurements, not a LakeQuality letter. official authority class; not a LakeQuality A–F letter Sampling here has recorded water clarity, phosphorus and algae (chlorophyll-a).
A letter on the LakeQuality scale would be an invention, not an official class. Everything below that has been measured is still 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: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2016-09-19. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Saadjärv
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Crystal clear, you can see 15.7 ft down. Phosphorus level: 16 µg/L. Chlorophyll-a: 1.8 µg/L. Trophic State Index: 39.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.8 m | Not graded |
| Phosphorus | 16 µg/L | Not graded |
| Chlorophyll-a (Algae) | 1.8 µg/L | Not graded |
| Trophic State Index (TSI) | 39 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 25 m |
| Surface Area | 723 ha |
Where to stay near Saadjärv
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Fishing Saadjärv
Frequently asked questions about Saadjärv
What is the water quality of Saadjärv?
- Saadjärv in Tartu, Estonia has official water-quality measurements, not a LakeQuality A–F grade. 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 LakeGrade
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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 stored separately from LakeQuality A–F letters and are never blended. See methodology and data sources.
Data Sources
Water quality data from the EPA Water Quality Portal
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2016-09-19
Monitoring stations: 1