Kaiu Järv
Kaiu Järv in Jõgeva, Estonia has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.9 m visibility. Phosphorus: 52 µg/L. Chlorophyll-a (algae): 28.5 µg/L. Maximum depth: 12.5 ft. Surface area: 333.1 acres.
- Clarity
- 0.9 m
- Max depth
- 3.8 m
- Area
- 135 ha
Why Kaiu Järv has no A–F grade
Kaiu 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).
Kaiu Järv is a 333-acre lake in Jõgeva County, Estonia with a maximum depth of 13 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2021-09-15. Grade methodology: LakeGrade methodology.
Watch Kaiu Järv water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Kaiu Järv
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Very murky, less than 3 ft of visibility. Phosphorus level: 52 µg/L. Chlorophyll-a: 28.5 µg/L. Trophic State Index: 62.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.9 m | Not graded |
| Phosphorus | 52 µg/L | Not graded |
| Chlorophyll-a (Algae) | 28.5 µg/L | Not graded |
| Trophic State Index (TSI) | 62 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 3.8 m |
| Surface Area | 135 ha |
Where to stay near Kaiu Järv
Compare lakeside cabins, hotels, and vacation rentals near Kaiu Järv in Jõgeva, 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 Kaiu Järv
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Fishing Kaiu Järv
Frequently asked questions about Kaiu Järv
What is the water quality of Kaiu Järv?
- Kaiu Järv in Jõgeva, Estonia has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.9 m visibility. Phosphorus: 52 µg/L. Chlorophyll-a (algae): 28.5 µg/L. Maximum depth: 12.5 ft. Surface area: 333.1 acres.
Is Kaiu Järv safe to swim in?
- Kaiu 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 Kaiu Järv?
- Kaiu Järv has a maximum depth of 12.5 feet. The lake covers 333.1 acres.
Explore Kaiu Järv across LakeGrade
More lakes in Estonia
Where this data comes from
16 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-ee16 samples · 2021
Analytical methods
- KESE I-level monitoring
Monitoring station identifiers (2)
SJA1666000SJA1666003
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: 2021-09-15
Monitoring stations: 2