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LakeQuality

Iso-Saikari Lake

NR
Not yet rated
0.4 m clear · Eutrophic
Limited DataEutrophic

Iso-Saikari Lake in Mäntsälä, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.4 m visibility. Phosphorus: 53 µg/L. Chlorophyll-a (algae): 82 µg/L. Maximum depth: 9.5 ft.

Clarity
0.4 m
Max depth
2.9 m
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Why Iso-Saikari Lake has no A–F grade

Iso-Saikari 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 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-Saikari Lake is a lake in Mäntsälä County, Finland with a maximum depth of 10 feet.

Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2021-07-29. 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-Saikari Lake

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

Very murky, less than 1.3 ft of visibility. Phosphorus level: 53 µg/L. Chlorophyll-a: 82 µg/L. Trophic State Index: 69.

MetricValueGrade
Water Clarity (Secchi Depth)0.4 mNot graded
Phosphorus53 µg/LNot graded
Chlorophyll-a (Algae)82 µg/LNot graded
Trophic State Index (TSI)69Eutrophic

High nutrients, frequent algae, reduced clarity

Lake Details

CharacteristicValue
Maximum Depth2.9 m

Where to stay near Iso-Saikari Lake

Compare lakeside cabins, hotels, and vacation rentals near Iso-Saikari Lake in Mäntsälä, 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-Saikari Lake

Frequently asked questions about Iso-Saikari Lake

What is the water quality of Iso-Saikari Lake?

Iso-Saikari Lake in Mäntsälä, Finland has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 0.4 m visibility. Phosphorus: 53 µg/L. Chlorophyll-a (algae): 82 µg/L. Maximum depth: 9.5 ft.

Is Iso-Saikari Lake safe to swim in?

Iso-Saikari 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 Iso-Saikari Lake?

Iso-Saikari Lake has a maximum depth of 9.5 feet.

Where this data comes from

3 measurements from 1 monitoring station, 2021. 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 · 2021

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 89872

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: 2021-07-29

Monitoring stations: 1

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