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LakeQuality

Iso Meltosjärvi

NR
Not yet rated
0.5 m clear · Eutrophic
Limited DataEutrophic

Iso Meltosjärvi in Ylitornio, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.5 m visibility. Phosphorus: 40 µg/L. Chlorophyll-a (algae): 5 µg/L. Maximum depth: 3 ft.

Clarity
0.5 m
Max depth
0.9 m
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Why Iso Meltosjärvi has no A–F grade

Iso Meltosjärvi 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.

Iso Meltosjärvi is a lake in Ylitornio County, Finland with a maximum depth of 3 feet.

Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2022-09-05. 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 Iso Meltosjärvi

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

Very murky, less than 1.5 ft of visibility. Phosphorus level: 40 µg/L. Chlorophyll-a: 5 µg/L. Trophic State Index: 58.

MetricValueGrade
Water Clarity (Secchi Depth)0.45 mNot graded
Phosphorus40 µg/LNot graded
Chlorophyll-a (Algae)5 µg/LNot graded
Trophic State Index (TSI)58Eutrophic

High nutrients, frequent algae, reduced clarity

Lake Details

CharacteristicValue
Maximum Depth0.9 m

Where to stay near Iso Meltosjärvi

Compare lakeside cabins, hotels, and vacation rentals near Iso Meltosjärvi in Ylitornio, 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 Iso Meltosjärvi

Frequently asked questions about Iso Meltosjärvi

What is the water quality of Iso Meltosjärvi?

Iso Meltosjärvi in Ylitornio, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.5 m visibility. Phosphorus: 40 µg/L. Chlorophyll-a (algae): 5 µg/L. Maximum depth: 3 ft.

Is Iso Meltosjärvi safe to swim in?

Iso Meltosjärvi 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 Iso Meltosjärvi?

Iso Meltosjärvi has a maximum depth of 3 feet.

Where this data comes from

9 measurements from 1 monitoring station, 2022. 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-vesla9 samples · 2022

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 51643

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: 2022-09-05

Monitoring stations: 1

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