OpenViz

鹽水埤水庫

ID: 30602SouthOff-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
26.9%

Effective storage: 12.7 10k m³ · Effective capacity: 47.1 10k m³

鹽水埤水庫 real-time hydraulic engineering cross-section鹽水埤水庫 real-time storage ratio is 26.9%.

Real-time Hydraulic Briefing

Synthesized water storage and flow dynamics

Current water storage for 鹽水埤水庫 is at 26.9% with a water level elevation of 25.82 m. Primary water supply covers Xinhua and Xinshi agricultural lands in Tainan.

鹽水埤水庫 (ID: 30602) is an official Off-stream Reservoir situated in the Chaitou Creek, Yanshui River System, operated and managed by Irrigation Agency Chianan Management Office. In operation since 1954, 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 12.7 (10k m³), with a storage ratio of 26.9% and a real-time water level elevation of 25.82 meters.

Primary functional purposes include Agricultural Irrigation, Regional Flood Control, with key regional supply coverage extending across Xinhua and Xinshi agricultural lands in Tainan.

Primary Supply Area:Xinhua and Xinshi agricultural lands in Tainan
Agricultural IrrigationRegional Flood Control

Effective storage

12.7 10k m³

▼ -0.3 10k m³ (1 hr)

Water level

25.82 m

▼ -0.04 m (1 hr)

Inflow

N/A

Total outflow

N/A

Effective capacity

47.1 10k m³

Net Flow Balance

鹽水埤水庫 · 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

鹽水埤水庫 · 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 SystemChaitou Creek, Yanshui River System
Primary catchment river basin and hydrological system
Effective capacity47.1 10k m³
Maximum designed water storage capacity of the dam
Year Completed195472 yrs in operation
Long-term water supply security and flood resilience
Geographic Location
23.0489°N, 120.3247°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.

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Effective storage8,106.8 10k m³

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Effective storage160.6 10k m³

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澄清湖水庫

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0%
Effective storage— 10k m³

Frequently Asked Questions

鹽水埤水庫 · 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.