Yung-Ho-Shan Reservoir
Yung-Ho-Shan Reservoir in Miaoli, Taiwan has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1.8 m visibility. Phosphorus: 18 µg/L. Chlorophyll-a (algae): 5.1 µg/L.
- Clarity
- 1.8 m
Why Yung-Ho-Shan Reservoir has no A–F grade
Yung-Ho-Shan Reservoir 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).
Yung-Ho-Shan Reservoir is a lake in Miaoli County, Taiwan.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2020-07-02. 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 Yung-Ho-Shan Reservoir
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Murky, only visible to about 5.9 ft. Phosphorus level: 18 µg/L. Chlorophyll-a: 5.1 µg/L. Trophic State Index: 48.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.8 m | Not graded |
| Phosphorus | 18 µg/L | Not graded |
| Chlorophyll-a (Algae) | 5.1 µg/L | Not graded |
| Trophic State Index (TSI) | 48 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Yung-Ho-Shan Reservoir
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Fishing Yung-Ho-Shan Reservoir
Frequently asked questions about Yung-Ho-Shan Reservoir
What is the water quality of Yung-Ho-Shan Reservoir?
- Yung-Ho-Shan Reservoir in Miaoli, Taiwan has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 1.8 m visibility. Phosphorus: 18 µg/L. Chlorophyll-a (algae): 5.1 µg/L.
Is Yung-Ho-Shan Reservoir safe to swim in?
- Yung-Ho-Shan Reservoir 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
45 measurements from 3 monitoring stations, 2020. Retrieved from Taiwan MOENV (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Ministry of Environment (Taiwan)
moenv-tw45 samples · 2020
Monitoring station identifiers (3)
215521542153
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: 2020-07-02
Monitoring stations: 3