Wu-Shan-Tou Reservoir
Wu-Shan-Tou Reservoir in Tainan, Taiwan has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 2 m visibility. Phosphorus: 14 µg/L. Chlorophyll-a (algae): 2.7 µg/L.
- Clarity
- 2 m
Why Wu-Shan-Tou Reservoir has no A–F grade
Wu-Shan-Tou 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).
Wu-Shan-Tou Reservoir is a lake in Tainan County, Taiwan.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2020-07-09. 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 Wu-Shan-Tou Reservoir
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Murky, only visible to about 6.6 ft. Phosphorus level: 14 µg/L. Chlorophyll-a: 2.7 µg/L. Trophic State Index: 44.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2 m | Not graded |
| Phosphorus | 14 µg/L | Not graded |
| Chlorophyll-a (Algae) | 2.7 µg/L | Not graded |
| Trophic State Index (TSI) | 44 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Wu-Shan-Tou Reservoir
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Fishing Wu-Shan-Tou Reservoir
Frequently asked questions about Wu-Shan-Tou Reservoir
What is the water quality of Wu-Shan-Tou Reservoir?
- Wu-Shan-Tou Reservoir in Tainan, Taiwan has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 2 m visibility. Phosphorus: 14 µg/L. Chlorophyll-a (algae): 2.7 µg/L.
Is Wu-Shan-Tou Reservoir safe to swim in?
- Wu-Shan-Tou 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
72 measurements from 5 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-tw72 samples · 2020
Monitoring station identifiers (5)
21732172217121702169
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: 2020-07-09
Monitoring stations: 5