OpenViz

津沙水庫

ID: 50306Offshore islandsOn-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
36.5%

Effective storage: 1.7 10k m³ · Effective capacity: 4.6 10k m³

津沙水庫 real-time hydraulic engineering cross-section津沙水庫 real-time storage ratio is 36.5%.

Real-time Hydraulic Briefing

Synthesized water storage and flow dynamics

Current water storage for 津沙水庫 is at 36.5% with a water level elevation of 13.91 m. Primary water supply covers Jinsha and Ren’ai (Tieban) villages in Nangan.

津沙水庫 (ID: 50306) is an official On-stream Reservoir situated in the Jinsha Creek System, Nangan, operated and managed by Lienchiang County Water Plant. In operation since 1993, 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 1.7 (10k m³), with a storage ratio of 36.5% and a real-time water level elevation of 13.91 meters.

Primary functional purposes include Nangan Southwest Municipal Water, Flood Protection, with key regional supply coverage extending across Jinsha and Ren’ai (Tieban) villages in Nangan.

Primary Supply Area:Jinsha and Ren’ai (Tieban) villages in Nangan
Nangan Southwest Municipal WaterFlood Protection

Effective storage

1.7 10k m³

▼ -0.1 10k m³ (1 hr)

Water level

13.91 m

▼ -0.15 m (1 hr)

Inflow

N/A

Total outflow

0 m³/s

— 0.0 m³/s (1 hr)

Effective capacity

4.6 10k m³

Net Flow Balance

津沙水庫 · 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

津沙水庫 · Engineering profile and geospatial information

Managing AgencyLienchiang County Water Plant
Responsible for facility operation and flood dispatch
Facility TypeOn-stream Reservoir
Dam structure and engineering classification
River SystemJinsha Creek System, Nangan
Primary catchment river basin and hydrological system
Effective capacity4.6 10k m³
Maximum designed water storage capacity of the dam
Year Completed199333 yrs in operation
Long-term water supply security and flood resilience
Geographic Location
26.1417°N, 119.9189°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

儲水沃上壩

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

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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

津沙水庫 · 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.