Aidu Järv
Aidu Järv in Ida-Viru, Estonia has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 20 µg/L. Surface area: 324.4 acres.
- Area
- 131 ha
Why Aidu Järv has no A–F grade
Aidu 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 phosphorus, but not water clarity 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).
Aidu Järv is a 324-acre lake in Ida-Viru County, Estonia.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2021-11-10. 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 Aidu Järv
These readings exist but do not meet the evidence bar for an A–F grade — see why.
No clarity data. Phosphorus level: 20 µg/L. Trophic State Index: 47.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 20 µg/L | Not graded |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 47 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 131 ha |
No bathymetric survey has been published for Aidu Järv, so its depth is not documented here.
Where to stay near Aidu Järv
Compare lakeside cabins, hotels, and vacation rentals near Aidu Järv in Ida-Viru, 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.
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Fishing Aidu Järv
Frequently asked questions about Aidu Järv
What is the water quality of Aidu Järv?
- Aidu Järv in Ida-Viru, Estonia has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 20 µg/L. Surface area: 324.4 acres.
Is Aidu Järv safe to swim in?
- Aidu 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.
Explore Aidu Järv across LakeGrade
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Where this data comes from
14 measurements from 1 monitoring station, 2019–2021. 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-ee14 samples · 2019–2021
Analytical methods
- KESE I-level monitoring
Monitoring station identifiers (1)
SJB3492000
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: 2021-11-10
Monitoring stations: 1