Aijazu Ezers
Aijazu Ezers in Unknown, Latvia has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.8 m visibility. Phosphorus: 32 µg/L. Chlorophyll-a (algae): 16.7 µg/L.
- Clarity
- 0.8 m
Why Aijazu Ezers has no A–F grade
Aijazu Ezers in Latvia 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 Latvian Environment, Geology and Meteorology Centre, via UNEP GEMS/Water.
Aijazu Ezers is a lake in Unknown County, Latvia.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2023-09-11. 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 Aijazu Ezers
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Very murky, less than 2.6 ft of visibility. Phosphorus level: 32 µg/L. Chlorophyll-a: 16.7 µg/L. Trophic State Index: 59.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.8 m | Not graded |
| Phosphorus | 32 µg/L | Not graded |
| Chlorophyll-a (Algae) | 16.7 µg/L | Not graded |
| Trophic State Index (TSI) | 59 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Aijazu Ezers
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Fishing Aijazu Ezers
Frequently asked questions about Aijazu Ezers
What is the water quality of Aijazu Ezers?
- Aijazu Ezers in Unknown, Latvia has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.8 m visibility. Phosphorus: 32 µg/L. Chlorophyll-a (algae): 16.7 µg/L.
Is Aijazu Ezers safe to swim in?
- Aijazu Ezers 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.
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Where this data comes from
56 measurements from 1 monitoring station, 2020–2023. Retrieved from UNEP GEMS/Water GFQA (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- European Environment Agency
europeanenvironmentagenc56 samples · —
Analytical methods
- GEMStat OPEN / CC BY 4.0
Monitoring station identifiers (1)
LVA00115
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: 2023-09-11
Monitoring stations: 1