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LakeQuality

남양호

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NIER publishes the water-quality measurements for 남양호. Here is what has been measured.

Clarity
0.7 m
Murkier than most
Secchi · sampled 2025
Phosphorus
101 µg/L
More phosphorus than most
Measured by NIER
Chlorophyll-a
20.5 µg/L
More algae than most
Measured by NIER
  • Limited data

남양호 in South Korea has official water-quality measurements, shown as reported. Water clarity: 0.7 m visibility. Phosphorus: 101 µg/L. Chlorophyll-a (algae): 20.5 µg/L.

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How 남양호 is classified

남양호 in South Korea is published with the authority's own measurements and class. The measurements here are published by the agency that samples the lake, as reported. Sampling here has recorded water clarity, phosphorus and algae (chlorophyll-a).

LakeQuality publishes no grade of its own beside it. Everything below thathas been measured is reported on this page.

Monitoring: the National Institute of Environmental Research (Korea).

남양호 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. Methodology: how these readings are compared.

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether 남양호 is safe to swim in today is a call for the National Institute of Environmental Research (Korea) and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for 남양호

These are the measurements NIER publishes for 남양호. More on the source.

Very murky, less than 2.3 ft of visibility. Phosphorus 101 µg/L. Chlorophyll-a 20.5 µg/L. TSI 65.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)0.7mMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus101µg/LMeasured, not scored

The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.

Chlorophyll-a (algae)20.5µg/LMeasured, not scored

The green pigment in algae — a direct measure of how much algae is in the water.

Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.65Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about 남양호

Answers come straight from the public measurements and survey records on this page.

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Stays near 남양호

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Fishing 남양호

Frequently asked questions about 남양호

Where is 남양호?

남양호 is a lake in South Korea. This page reports official water-quality measurements, shown as reported.

What is the water quality of 남양호?

남양호 in South Korea has official water-quality measurements, shown as reported. Water clarity: 0.7 m visibility. Phosphorus: 101 µg/L. Chlorophyll-a (algae): 20.5 µg/L.

Measurements on this page ↑

Is 남양호 safe to swim in?

남양호 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.

Swimming on this page ↑

Where this data comes from

782 measurements from 3 monitoring stations, 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-kr782 samples · 2016–2025

Analytical methods

  • NIER national water-quality network (호소 surface chemistry)
Monitoring station identifiers (3)
  • 1202B50
  • 1202B60
  • 1202B40

Authority classifications are shown as the authority published them. See where the data comes from and data sources.