OpenViz

秋桂山水庫

ID: 50302Offshore islandsOff-stream Reservoir

Real-time conditions and historical storage trends

Observed at: 09/18/2026 08:00Daily operation date: 09/17/2026 00:00

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

Storage ratioNormal Storage
10.2%
— 0.0% (vs Yesterday)

Effective storage: 1.9 10k m³ · Effective capacity: 18.2 10k m³

秋桂山水庫 real-time hydraulic engineering cross-section秋桂山水庫 real-time storage ratio is 10.2%.

Real-time Hydraulic Briefing

Synthesized water storage and flow dynamics

Current water storage for 秋桂山水庫 is at 10.2% with a water level elevation of 9.88 m. Primary water supply covers Zhuluo and Matsu (Magang) villages in Nangan.

秋桂山水庫 (ID: 50302) is an official Off-stream Reservoir situated in the Qiuguishan Valley Runoff, Nangan, operated and managed by Lienchiang County Water Plant. In operation since 1992, 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 1.9 (10k m³), with a storage ratio of 10.2% and a real-time water level elevation of 9.88 meters.

Primary functional purposes include Nangan Northwest Municipal Water Supply, with key regional supply coverage extending across Zhuluo and Matsu (Magang) villages in Nangan.

Primary Supply Area:Zhuluo and Matsu (Magang) villages in Nangan
Nangan Northwest Municipal Water Supply

Effective storage

1.9 10k m³

— 0.0 10k m³ (vs Yesterday)

Water level

9.88 m

— 0.0 m (vs Yesterday)

Inflow

N/A

Total outflow

0 m³/s

— 0.0 m³/s (1 hr)

Effective capacity

18.2 10k m³

Net Flow Balance

秋桂山水庫 · Real-time hydrological balance and storage dispatch analysis

Inflow (Qin)
N/AUpstream catchment runoff inflow rate
Total outflow (Qout)
0 m³/sGate release and flood desilting rate
Net Flow Balance (ΔQ)
N/AOfficial real-time inflow/outflow telemetry unavailable

24 小時水文吞吐平衡走勢

雙向對稱流量觀測（上方為上游入流，下方為大壩放流，穿梭折線為淨出入差額）

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

秋桂山水庫 · Engineering profile and geospatial information

Managing AgencyLienchiang County Water Plant
Responsible for facility operation and flood dispatch
Facility TypeOff-stream Reservoir
Dam structure and engineering classification
River SystemQiuguishan Valley Runoff, Nangan
Primary catchment river basin and hydrological system
Effective capacity18.2 10k m³
Maximum designed water storage capacity of the dam
Year Completed199234 yrs in operation
Long-term water supply security and flood resilience
Geographic Location
26.1683°N, 119.9233°E連江縣 · 南竿鄉
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

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50304
61.6%
Effective storage1.4 10k m³

儲水沃水庫

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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

秋桂山水庫 · 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.