湖山水庫
湖山水庫 in Yunlin, Taiwan has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1.6 m visibility. Phosphorus: 17 µg/L. Chlorophyll-a (algae): 3.6 µg/L.
- Clarity
- 1.6 m
Why 湖山水庫 has no A–F grade
湖山水庫 in Taiwan 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 Ministry of Environment (Taiwan).
湖山水庫 is a lake in Yunlin County, Taiwan.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2020-07-07. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for 湖山水庫
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Murky, only visible to about 5.2 ft. Phosphorus level: 17 µg/L. Chlorophyll-a: 3.6 µg/L. Trophic State Index: 47.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.6 m | Not graded |
| Phosphorus | 17 µg/L | Not graded |
| Chlorophyll-a (Algae) | 3.6 µg/L | Not graded |
| Trophic State Index (TSI) | 47 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near 湖山水庫
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Fishing 湖山水庫
Frequently asked questions about 湖山水庫
What is the water quality of 湖山水庫?
- 湖山水庫 in Yunlin, Taiwan has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1.6 m visibility. Phosphorus: 17 µg/L. Chlorophyll-a (algae): 3.6 µg/L.
Is 湖山水庫 safe to swim in?
- 湖山水庫 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.
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Where this data comes from
15 measurements from 1 monitoring station, 2020. Retrieved from Taiwan MOENV (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Ministry of Environment (Taiwan)
moenv-tw15 samples · 2020
Monitoring station identifiers (1)
2210
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: 2020-07-07
Monitoring stations: 1