Li-Yu-Tan Reservoir
Miaoli, TaiwanView mapDirections
MOENV publishes the water-quality measurements for Li-Yu-Tan Reservoir. Here is what has been measured.
- Limited data
Li-Yu-Tan Reservoir in Miaoli, Taiwan has official water-quality measurements, shown as reported. Water clarity: 1.8 m visibility. Phosphorus: 13 µg/L. Chlorophyll-a (algae): 7.5 µg/L.
How Li-Yu-Tan Reservoir is classified
Li-Yu-Tan Reservoir in Taiwan 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 Ministry of Environment (Taiwan).
Li-Yu-Tan Reservoir is a lake in Miaoli County, Taiwan.
Source: the Ministry of Environment (Taiwan) — not the EPA Water Quality Portal, last sampled 2020-07-02. 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 Li-Yu-Tan Reservoir is safe to swim in today is a call for the Ministry of Environment (Taiwan) and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Li-Yu-Tan Reservoir
These are the measurements MOENV publishes for Li-Yu-Tan Reservoir. More on the source.
Murky, only visible to about 5.9 ft. Phosphorus 13 µg/L. Chlorophyll-a 7.5 µg/L. TSI 48.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.8m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 13µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 7.5µg/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. | 48 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
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Frequently asked questions about Li-Yu-Tan Reservoir
Where is Li-Yu-Tan Reservoir?
- Li-Yu-Tan Reservoir is a lake in Miaoli, Taiwan. This page reports official water-quality measurements, shown as reported.
What is the water quality of Li-Yu-Tan Reservoir?
- Li-Yu-Tan Reservoir in Miaoli, Taiwan has official water-quality measurements, shown as reported. Water clarity: 1.8 m visibility. Phosphorus: 13 µg/L. Chlorophyll-a (algae): 7.5 µg/L.
Is Li-Yu-Tan Reservoir safe to swim in?
- Li-Yu-Tan 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)
214921482147
Authority classifications are shown as the authority published them. See where the data comes from and data sources.