Keeri Järv
Keeri Järv in Tartu, Estonia has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1.3 m visibility. Phosphorus: 49 µg/L. Chlorophyll-a (algae): 30 µg/L. Maximum depth: 14.8 ft. Surface area: 332.1 acres.
- Clarity
- 1.3 m
- Max depth
- 4.5 m
- Area
- 134 ha
Why Keeri Järv has no A–F grade
Keeri Järv 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).
Keeri Järv is a 332-acre lake in Tartu County, Estonia with a maximum depth of 15 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2021-09-09. 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 Keeri Järv
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Murky, only visible to about 4.3 ft. Phosphorus level: 49 µg/L. Chlorophyll-a: 30 µg/L. Trophic State Index: 60.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.3 m | Not graded |
| Phosphorus | 49 µg/L | Not graded |
| Chlorophyll-a (Algae) | 30 µg/L | Not graded |
| Trophic State Index (TSI) | 60 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 4.5 m |
| Surface Area | 134 ha |
Where to stay near Keeri Järv
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Fishing Keeri Järv
Frequently asked questions about Keeri Järv
What is the water quality of Keeri Järv?
- Keeri Järv in Tartu, Estonia has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1.3 m visibility. Phosphorus: 49 µg/L. Chlorophyll-a (algae): 30 µg/L. Maximum depth: 14.8 ft. Surface area: 332.1 acres.
Is Keeri Järv safe to swim in?
- Keeri 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 Keeri Järv?
- Keeri Järv has a maximum depth of 14.8 feet. The lake covers 332.1 acres.
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Where this data comes from
25 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-ee25 samples · 2021
Analytical methods
- KESE I-level monitoring
Monitoring station identifiers (2)
SJA3680000SJA3680004
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: 2021-09-09
Monitoring stations: 2