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LakeQuality

Ihanajärvi

NR
Not yet rated
1.2 m clear · Eutrophic
Limited DataEutrophic

Ihanajärvi in Hartola, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1.2 m visibility. Phosphorus: 25 µg/L. Chlorophyll-a (algae): 11 µg/L.

Clarity
1.2 m
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Why Ihanajärvi has no A–F grade

Ihanajärvi 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.

Ihanajärvi is a lake in Hartola County, Finland.

Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2020-08-26. 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 Ihanajärvi

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

Murky, only visible to about 3.9 ft. Phosphorus level: 25 µg/L. Chlorophyll-a: 11 µg/L. Trophic State Index: 54.

MetricValueGrade
Water Clarity (Secchi Depth)1.2 mNot graded
Phosphorus25 µg/LNot graded
Chlorophyll-a (Algae)11 µg/LNot graded
Trophic State Index (TSI)54Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Ihanajärvi

Compare lakeside cabins, hotels, and vacation rentals near Ihanajärvi in Hartola, 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 Ihanajärvi

Frequently asked questions about Ihanajärvi

What is the water quality of Ihanajärvi?

Ihanajärvi in Hartola, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1.2 m visibility. Phosphorus: 25 µg/L. Chlorophyll-a (algae): 11 µg/L.

Is Ihanajärvi safe to swim in?

Ihanajärvi 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.

Where this data comes from

3 measurements from 1 monitoring station, 2020. 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-vesla3 samples · 2020

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 89394

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: 2020-08-26

Monitoring stations: 1

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