Skip to main content
LakeQuality

Suonojärvi

NR
Not yet rated
1 m clear · Eutrophic
Limited DataEutrophic

Suonojärvi in Vesilahti, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1 m visibility. Phosphorus: 38 µg/L. Chlorophyll-a (algae): 20.5 µg/L. Maximum depth: 65 ft.

Clarity
1 m
Max depth
19.8 m
Loading map…

Why Suonojärvi has no A–F grade

Suonojärvi 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.

Suonojärvi is a lake in Vesilahti County, Finland with a maximum depth of 65 feet.

Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2025-08-11. Grade methodology: LakeGrade methodology.

Watch Suonojärvi water quality

Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.

Swimming Safety

Not rated

Limited data

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

Get alerts for Suonojärvi

Water quality measurements for Suonojärvi

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 µg/L. Chlorophyll-a: 20.5 µg/L. Trophic State Index: 59.

MetricValueGrade
Water Clarity (Secchi Depth)1 mNot graded
Phosphorus38 µg/LNot graded
Chlorophyll-a (Algae)20.5 µg/LNot graded
Trophic State Index (TSI)59Eutrophic

High nutrients, frequent algae, reduced clarity

Lake Details

CharacteristicValue
Maximum Depth19.8 m

Where to stay near Suonojärvi

Compare lakeside cabins, hotels, and vacation rentals near Suonojärvi in Vesilahti, 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.

Top-rated places to stay near Suonojärvi

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Fishing Suonojärvi

Frequently asked questions about Suonojärvi

What is the water quality of Suonojärvi?

Suonojärvi in Vesilahti, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1 m visibility. Phosphorus: 38 µg/L. Chlorophyll-a (algae): 20.5 µg/L. Maximum depth: 65 ft.

Is Suonojärvi safe to swim in?

Suonojärvi 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 Suonojärvi?

Suonojärvi has a maximum depth of 65 feet.

Where this data comes from

30 measurements from 3 monitoring stations, 2017–2025. 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-vesla30 samples · 2017–2025

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (3)
  • 7545
  • 7544
  • 60659

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: 2025-08-11

Monitoring stations: 3

Where to stay near Suonojärvi →