Ohepalu Järv
Ohepalu Järv in Lääne-Viru, Estonia has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.5 m visibility. Phosphorus: 925 µg/L. Chlorophyll-a (algae): 26 µg/L. Maximum depth: 8.2 ft. Surface area: 168.5 acres.
- Clarity
- 0.5 m
- Max depth
- 2.5 m
- Area
- 68 ha
Why Ohepalu Järv has no A–F grade
Ohepalu 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).
Ohepalu Järv is a 169-acre lake in Lääne-Viru County, Estonia with a maximum depth of 8 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2025-09-23. 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 Ohepalu Järv
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Very murky, less than 1.6 ft of visibility. Phosphorus level: 925 µg/L. Chlorophyll-a: 26 µg/L. Trophic State Index: 78.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.5 m | Not graded |
| Phosphorus | 925 µg/L | Not graded |
| Chlorophyll-a (Algae) | 26 µg/L | Not graded |
| Trophic State Index (TSI) | 78 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 2.5 m |
| Surface Area | 68 ha |
Where to stay near Ohepalu Järv
Compare lakeside cabins, hotels, and vacation rentals near Ohepalu Järv in Lääne-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 Ohepalu Järv
Frequently asked questions about Ohepalu Järv
What is the water quality of Ohepalu Järv?
- Ohepalu Järv in Lääne-Viru, Estonia has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.5 m visibility. Phosphorus: 925 µg/L. Chlorophyll-a (algae): 26 µg/L. Maximum depth: 8.2 ft. Surface area: 168.5 acres.
Is Ohepalu Järv safe to swim in?
- Ohepalu 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 Ohepalu Järv?
- Ohepalu Järv has a maximum depth of 8.2 feet. The lake covers 168.5 acres.
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Where this data comes from
39 measurements from 2 monitoring stations, 2019–2025. 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-ee39 samples · 2019–2025
Analytical methods
- KESE I-level monitoring
Monitoring station identifiers (2)
SJA3484003SJA3484000
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: 2025-09-23
Monitoring stations: 2