OpenViz

虎頭埤水庫

ID: 30601SouthOff-stream Reservoir

Real-time conditions and historical storage trends

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

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

Storage ratioNormal Storage
98.2%

Effective storage: 104.1 10k m³ · Effective capacity: 106.1 10k m³

虎頭埤水庫 real-time hydraulic engineering cross-section虎頭埤水庫 real-time storage ratio is 98.2%.

Real-time Hydraulic Briefing

Synthesized water storage and flow dynamics

Current water storage for 虎頭埤水庫 is at 98.2% with a water level elevation of 36.28 m. Primary water supply covers Farmlands in Xinhua District, Tainan.

虎頭埤水庫 (ID: 30601) is an official Off-stream Reservoir situated in the Xuxian Creek, Yanshui River System, operated and managed by Irrigation Agency Chianan Management Office. In operation since 1846, 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 104.1 (10k m³), with a storage ratio of 98.2% and a real-time water level elevation of 36.28 meters.

Primary functional purposes include Agricultural Irrigation, Flood Retention, Historic Tourism, with key regional supply coverage extending across Farmlands in Xinhua District, Tainan.

Primary Supply Area:Farmlands in Xinhua District, Tainan
Agricultural IrrigationFlood RetentionHistoric Tourism

Effective storage

104.1 10k m³

▲ +0.5 10k m³ (1 hr)

Water level

36.28 m

▲ +0.02 m (1 hr)

Inflow

N/A

Total outflow

N/A

Effective capacity

106.1 10k m³

Net Flow Balance

虎頭埤水庫 · 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

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
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

虎頭埤水庫 · Engineering profile and geospatial information

Managing AgencyIrrigation Agency Chianan Management Office
Responsible for facility operation and flood dispatch
Facility TypeOff-stream Reservoir
Dam structure and engineering classification
River SystemXuxian Creek, Yanshui River System
Primary catchment river basin and hydrological system
Effective capacity106.1 10k m³
Maximum designed water storage capacity of the dam
Year Completed1846180 yrs in operation
Long-term water supply security and flood resilience
Geographic Location
23.0239°N, 120.3322°E台南市 · 新化區
Open in Google Maps

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

仁義潭水庫

30301
98.8%
Effective storage2,429.6 10k m³

內埔子水庫

30306
88.8%
Effective storage61.3 10k m³

南化水庫

30503
99.1%
Effective storage8,106.8 10k m³

德元埤水庫

30403
69.9%
Effective storage160.6 10k m³

曾文水庫

30502
104.2%
Effective storage48,748 10k m³

澄清湖水庫

30801
0%
Effective storage— 10k m³

Frequently Asked Questions

虎頭埤水庫 · 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.