OpenViz

西湖水庫

ID: 50210Offshore islandsOff-stream Reservoir

Real-time conditions and historical storage trends

Observed at: 09/18/2026 07:00Daily operation date: 09/17/2026 07:00

Source: Water Resources Agency Reservoir Conditions and Daily Reservoir Operations datasets

Storage ratioNormal Storage
79.1%
— 0.0% (vs Yesterday)— 0.0% (1 hr)

Effective storage: 32.8 10k m³ · Effective capacity: 41.4 10k m³

西湖水庫 real-time hydraulic engineering cross-section西湖水庫 real-time storage ratio is 79.1%.

Real-time Hydraulic Briefing

Synthesized water storage and flow dynamics

Current water storage for 西湖水庫 is at 79.1% with a water level elevation of 2.56 m. Primary water supply covers Lieyu Township (Lesser Kinmen Island).

西湖水庫 (ID: 50210) is an official Off-stream Reservoir situated in the Lieyu Runoff System, Lesser Kinmen, operated and managed by Kinmen County Water Plant. In operation since 1980, this facility serves as a vital strategic pillar in Taiwan's regional water grid and flood mitigation network.

According to the latest observation, its effective water storage is approximately 32.8 (10k m³), with a storage ratio of 79.1% and a real-time water level elevation of 2.56 meters.

Primary functional purposes include Core Municipal Water Supply for Lesser Kinmen, with key regional supply coverage extending across Lieyu Township (Lesser Kinmen Island).

Primary Supply Area:Lieyu Township (Lesser Kinmen Island)
Core Municipal Water Supply for Lesser Kinmen

Effective storage

32.8 10k m³

— 0.0 10k m³ (vs Yesterday)

Water level

2.56 m

— 0.0 m (vs Yesterday)

Inflow

N/A

Total outflow

N/A

Effective capacity

41.4 10k m³

Net Flow Balance

西湖水庫 · Real-time hydrological balance and storage dispatch analysis

Inflow (Qin)
N/AUpstream catchment runoff inflow rate
Total outflow (Qout)
N/AGate release and flood desilting rate
Net Flow Balance (ΔQ)
N/AOfficial real-time inflow/outflow telemetry unavailable

Discharge Gates & Facilities

Real-time telemetry for spillways, drainage tunnels, desilting tunnels, and power outlets.

All discharge gates closed (No flood release)
Spillway outflowMain spillway gate release or crest free overflow
N/A
24h 待命常閉
N/A
Power outletHydroelectric turbine power generation discharge
N/A
24h 待命常閉
N/A
Desilting tunnelBottom desilting and sediment bypass tunnel
N/A
24h 待命常閉
N/A
Drainage tunnelDedicated flood diversion tunnel release
N/A
24h 待命常閉
N/A
Water drawMunicipal water, industrial, or irrigation draw
N/A
24h 待命常閉
N/A
Other outflowEcological baseflow or auxiliary facility release
N/A
24h 待命常閉
N/A

Historical Storage Trends

View historical storage percentage and water volume trends over time.

Reservoir Specifications · Geographic Location

西湖水庫 · Engineering profile and geospatial information

Managing AgencyKinmen County Water Plant
Responsible for facility operation and flood dispatch
Facility TypeOff-stream Reservoir
Dam structure and engineering classification
River SystemLieyu Runoff System, Lesser Kinmen
Primary catchment river basin and hydrological system
Effective capacity41.4 10k m³
Maximum designed water storage capacity of the dam
Year Completed198046 yrs in operation
Long-term water supply security and flood resilience
Geographic Location
24.4289°N, 118.2361°E金門縣 · 烈嶼鄉
Open in Google Maps

Check real-time conditions and historical trends for other facilities in the same region.

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—
Effective storage— 10k m³

儲水沃上壩

50304
61.6%
Effective storage1.4 10k m³

儲水沃水庫

50305
66.7%
Effective storage2.8 10k m³

勝利水庫

50301
15.8%
Effective storage2.9 10k m³

后沃水庫

50310
92.6%
Effective storage29.1 10k m³

坂里水庫

50308
86.6%
Effective storage12.2 10k m³

Frequently Asked Questions

西湖水庫 · Key insights into reservoir metrics, release mechanisms, and facility operations

FAQ

Total capacity is the total physical volume of the reservoir basin.

In contrast, effective storage refers to the usable volume available for public, agricultural, or power supply above dead storage and sediment levels.