Ala-Pitkä Lake
Ala-Pitkä Lake in Lapinlahti, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.8 m visibility. Phosphorus: 53 µg/L. Chlorophyll-a (algae): 16 µg/L. Maximum depth: 26.9 ft.
- Clarity
- 0.8 m
- Max depth
- 8.2 m
Why Ala-Pitkä Lake has no A–F grade
Ala-Pitkä Lake 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.
Ala-Pitkä Lake is a lake in Lapinlahti County, Finland with a maximum depth of 27 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2026-07-02. 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 Ala-Pitkä Lake
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: 53 µg/L. Chlorophyll-a: 16 µg/L. Trophic State Index: 61.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.8 m | Not graded |
| Phosphorus | 53 µg/L | Not graded |
| Chlorophyll-a (Algae) | 16 µg/L | Not graded |
| Trophic State Index (TSI) | 61 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 8.2 m |
Where to stay near Ala-Pitkä Lake
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Fishing Ala-Pitkä Lake
Frequently asked questions about Ala-Pitkä Lake
What is the water quality of Ala-Pitkä Lake?
- Ala-Pitkä Lake in Lapinlahti, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.8 m visibility. Phosphorus: 53 µg/L. Chlorophyll-a (algae): 16 µg/L. Maximum depth: 26.9 ft.
Is Ala-Pitkä Lake safe to swim in?
- Ala-Pitkä Lake 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 Ala-Pitkä Lake?
- Ala-Pitkä Lake has a maximum depth of 26.9 feet.
Explore Ala-Pitkä Lake across LakeGrade
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Where this data comes from
24 measurements from 1 monitoring station, 2017–2026. 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-vesla24 samples · 2017–2026
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
56948
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: 2026-07-02
Monitoring stations: 1