영주댐
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NIER publishes the water-quality measurements for 영주댐. Here is what has been measured.
- Limited data
영주댐 in South Korea has official water-quality measurements, shown as reported. Water clarity: 1 m visibility. Phosphorus: 38 µg/L. Chlorophyll-a (algae): 6.5 µg/L.
How 영주댐 is classified
영주댐 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).
영주댐 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 영주댐 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 영주댐
These are the measurements NIER publishes for 영주댐. More on the source.
Very murky, less than 3.3 ft of visibility. Phosphorus 38 µg/L. Chlorophyll-a 6.5 µg/L. TSI 55.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 38µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 6.5µg/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. | 55 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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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 영주댐
Where is 영주댐?
- 영주댐 is a lake in South Korea. This page reports official water-quality measurements, shown as reported.
What is the water quality of 영주댐?
- 영주댐 in South Korea has official water-quality measurements, shown as reported. Water clarity: 1 m visibility. Phosphorus: 38 µg/L. Chlorophyll-a (algae): 6.5 µg/L.
Is 영주댐 safe to swim in?
- 영주댐 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 영주댐 across LakeQuality
More lakes in South Korea
Where this data comes from
877 measurements from 4 monitoring stations, 2019–2025. 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-kr877 samples · 2019–2025
Analytical methods
- NIER national water-quality network (호소 surface chemistry)
Monitoring station identifiers (4)
2004B102004B202004B302004B40
Authority classifications are shown as the authority published them. See where the data comes from and data sources.