Pitkäjärvi
Pitkäjärvi in Tyrnävä, Finland has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 130 µg/L. Chlorophyll-a (algae): 11.9 µg/L. Maximum depth: 4.3 ft.
- Max depth
- 1.3 m
Why Pitkäjärvi has no A–F grade
Pitkäjärvi 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 phosphorus and algae (chlorophyll-a), but not water clarity.
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.
Pitkäjärvi is a lake in Tyrnävä County, Finland with a maximum depth of 4 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2016-09-07. 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 Pitkäjärvi
These readings exist but do not meet the evidence bar for an A–F grade — see why.
No clarity data. Phosphorus level: 130 µg/L. Chlorophyll-a: 11.9 µg/L. Trophic State Index: 65.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 130 µg/L | Not graded |
| Chlorophyll-a (Algae) | 11.9 µg/L | Not graded |
| Trophic State Index (TSI) | 65 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 1.3 m |
Where to stay near Pitkäjärvi
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Fishing Pitkäjärvi
Frequently asked questions about Pitkäjärvi
What is the water quality of Pitkäjärvi?
- Pitkäjärvi in Tyrnävä, Finland has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 130 µg/L. Chlorophyll-a (algae): 11.9 µg/L. Maximum depth: 4.3 ft.
Is Pitkäjärvi safe to swim in?
- Pitkäjärvi 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 Pitkäjärvi?
- Pitkäjärvi has a maximum depth of 4.3 feet.
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Where this data comes from
5 measurements from 1 monitoring station, 2016. 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-vesla5 samples · 2016
Analytical methods
- SYKE VESLA
Monitoring station identifiers (1)
28173
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: 2016-09-07
Monitoring stations: 1