Äimäjärvi
Äimäjärvi in Hämeenlinna, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1 m visibility. Phosphorus: 38.5 µg/L. Chlorophyll-a (algae): 31 µg/L. Maximum depth: 32.5 ft.
- Clarity
- 1 m
- Max depth
- 9.9 m
Why Äimäjärvi has no A–F grade
Äimäjärvi in Finland 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 Finnish Environment Institute (Syke) and the ELY Centres.
Äimäjärvi is a lake in Hämeenlinna County, Finland with a maximum depth of 33 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2024-08-26. 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 Äimäjärvi
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Very murky, less than 3.3 ft of visibility. Phosphorus level: 38.5 µg/L. Chlorophyll-a: 31 µg/L. Trophic State Index: 60.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1 m | Not graded |
| Phosphorus | 38.5 µg/L | Not graded |
| Chlorophyll-a (Algae) | 31 µg/L | Not graded |
| Trophic State Index (TSI) | 60 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 9.9 m |
Where to stay near Äimäjärvi
Compare lakeside cabins, hotels, and vacation rentals near Äimäjärvi in Hämeenlinna, Finland — 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 Äimäjärvi
Frequently asked questions about Äimäjärvi
What is the water quality of Äimäjärvi?
- Äimäjärvi in Hämeenlinna, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1 m visibility. Phosphorus: 38.5 µg/L. Chlorophyll-a (algae): 31 µg/L. Maximum depth: 32.5 ft.
Is Äimäjärvi safe to swim in?
- Äimäjärvi 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 Äimäjärvi?
- Äimäjärvi has a maximum depth of 32.5 feet.
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Where this data comes from
58 measurements from 2 monitoring stations, 2017–2024. Retrieved from Syke VESLA (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Finnish Environment Institute (Syke) and ELY Centres
syke-vesla58 samples · 2017–2024
Analytical methods
- SYKE VESLA
Monitoring station identifiers (2)
17961785
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: 2024-08-26
Monitoring stations: 2