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LakeQuality

Raitalammi Lake

NR
Not yet rated
Eutrophic
Limited DataEutrophic

Raitalammi Lake in Hämeenlinna, Finland has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 26 µg/L. Chlorophyll-a (algae): 41 µg/L. Maximum depth: 42 ft.

Max depth
12.8 m
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Why Raitalammi Lake has no A–F grade

Raitalammi 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 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.

Raitalammi Lake is a lake in Hämeenlinna County, Finland with a maximum depth of 42 feet.

Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2025-03-20. Grade methodology: LakeGrade methodology.

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Swimming Safety

Not rated

Limited data

Not rated for swimming — there is not enough monitoring data to judge this lake

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Water quality measurements for Raitalammi Lake

These readings exist but do not meet the evidence bar for an A–F grade — see why.

No clarity data. Phosphorus level: 26 µg/L. Chlorophyll-a: 41 µg/L. Trophic State Index: 59.

MetricValueGrade
Water Clarity (Secchi Depth)No recent samples
Phosphorus26 µg/LNot graded
Chlorophyll-a (Algae)41 µg/LNot graded
Trophic State Index (TSI)59Eutrophic

High nutrients, frequent algae, reduced clarity

Lake Details

CharacteristicValue
Maximum Depth12.8 m

Where to stay near Raitalammi Lake

Compare lakeside cabins, hotels, and vacation rentals near Raitalammi Lake 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 Raitalammi Lake

Frequently asked questions about Raitalammi Lake

What is the water quality of Raitalammi Lake?

Raitalammi Lake in Hämeenlinna, Finland has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 26 µg/L. Chlorophyll-a (algae): 41 µg/L. Maximum depth: 42 ft.

Is Raitalammi Lake safe to swim in?

Raitalammi 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 Raitalammi Lake?

Raitalammi Lake has a maximum depth of 42 feet.

Where this data comes from

4 measurements from 1 monitoring station, 2024–2025. Retrieved from Syke VESLA (not the EPA Water Quality Portal) on 2026-08-16.

Collected and reported by

  • Finnish Environment Institute (Syke) and ELY Centressyke-vesla4 samples · 2024–2025

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 2280

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: 2025-03-20

Monitoring stations: 1

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