괴산댐
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NIER publishes the water-quality measurements for 괴산댐. Here is what has been measured.
- Limited data
괴산댐 in South Korea has official water-quality measurements, shown as reported. Phosphorus: 18 µg/L. Chlorophyll-a (algae): 3 µg/L.
How 괴산댐 is classified
괴산댐 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 phosphorus and algae (chlorophyll-a), but not water clarity.
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).
괴산댐 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 readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether 괴산댐 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.
Water quality measurements for 괴산댐
These are the measurements NIER publishes for 괴산댐. More on the source.
No clarity data. Phosphorus 18 µg/L. Chlorophyll-a 3 µg/L. TSI 44.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 18µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 3µg/L | Measured, 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. | 44 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
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Answers come straight from the public measurements and survey records on this page.
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Frequently asked questions about 괴산댐
Where is 괴산댐?
- 괴산댐 is a lake in South Korea. This page reports official water-quality measurements, shown as reported.
What is the water quality of 괴산댐?
- 괴산댐 in South Korea has official water-quality measurements, shown as reported. Phosphorus: 18 µg/L. Chlorophyll-a (algae): 3 µg/L.
Is 괴산댐 safe to swim in?
- 괴산댐 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.
Explore 괴산댐 across LakeQuality
More lakes in South Korea
Where this data comes from
590 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-kr590 samples · 2016–2025
Analytical methods
- NIER national water-quality network (호소 surface chemistry)
Monitoring station identifiers (3)
1004B101004B201004B30
Authority classifications are shown as the authority published them. See where the data comes from and data sources.