Karujärv
Karujärv in Saare, Estonia has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 4.6 m visibility. Phosphorus: 10.5 µg/L. Chlorophyll-a (algae): 1.5 µg/L. Maximum depth: 23 ft. Surface area: 860.4 acres.
- Clarity
- 4.6 m
- Max depth
- 7 m
- Area
- 348 ha
Why Karujärv has no A–F grade
Karujärv 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).
Karujärv is a 860-acre lake in Saare County, Estonia with a maximum depth of 23 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2024-09-24. 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 Karujärv
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Crystal clear, you can see 15.1 ft down. Phosphorus level: 10.5 µg/L. Chlorophyll-a: 1.5 µg/L. Trophic State Index: 37.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.6 m | Not graded |
| Phosphorus | 10.5 µg/L | Not graded |
| Chlorophyll-a (Algae) | 1.5 µg/L | Not graded |
| Trophic State Index (TSI) | 37 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 7 m |
| Surface Area | 348 ha |
Where to stay near Karujärv
Compare lakeside cabins, hotels, and vacation rentals near Karujärv in Saare, Estonia — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Karujärv
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Fishing Karujärv
Frequently asked questions about Karujärv
What is the water quality of Karujärv?
- Karujärv in Saare, Estonia has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 4.6 m visibility. Phosphorus: 10.5 µg/L. Chlorophyll-a (algae): 1.5 µg/L. Maximum depth: 23 ft. Surface area: 860.4 acres.
Is Karujärv safe to swim in?
- Karujärv 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 Karujärv?
- Karujärv has a maximum depth of 23 feet. The lake covers 860.4 acres.
Explore Karujärv across LakeGrade
More lakes in Estonia
Where this data comes from
41 measurements from 2 monitoring stations, 2018–2024. 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-ee41 samples · 2018–2024
Analytical methods
- KESE I-level monitoring
Monitoring station identifiers (2)
SJA7478003SJA7478000
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: 2024-09-24
Monitoring stations: 2