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LakeQuality

청초호

NR
Not yet rated
Mesotrophic
Limited DataMesotrophic

청초호 in Unknown, South Korea has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 41 µg/L. Chlorophyll-a (algae): 3.1 µg/L.

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Why 청초호 has no A–F grade

청초호 in South Korea 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 National Institute of Environmental Research (Korea).

청초호 is a lake in Unknown County, South Korea.

Source: the National Institute of Environmental Research (Korea) — not the EPA Water Quality Portal, last sampled 2025-12-15. 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 청초호

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

No clarity data. Phosphorus level: 41 µg/L. Chlorophyll-a: 3.1 µg/L. Trophic State Index: 50.

MetricValueGrade
Water Clarity (Secchi Depth)No recent samples
Phosphorus41 µg/LNot graded
Chlorophyll-a (Algae)3.1 µg/LNot graded
Trophic State Index (TSI)50Mesotrophic

Moderate nutrients, good water quality

Where to stay near 청초호

Compare lakeside cabins, hotels, and vacation rentals near 청초호 in Unknown, South Korea — 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 청초호

Frequently asked questions about 청초호

What is the water quality of 청초호?

청초호 in Unknown, South Korea has official water-quality measurements, not a LakeQuality A–F grade. Phosphorus: 41 µg/L. Chlorophyll-a (algae): 3.1 µg/L.

Is 청초호 safe to swim in?

청초호 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

240 measurements from 1 monitoring station, 2016–2025. Retrieved from the listed programme (not the EPA Water Quality Portal). See data sources on 2026-08-20.

Collected and reported by

  • National Institute of Environmental Research (Korea)nier-kr240 samples · 2016–2025

Analytical methods

  • NIER national water-quality network (호소 surface chemistry)
Monitoring station identifiers (1)
  • 1301B70

Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See how grades are calculated and data sources.

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