蘭湖

ID: 50214Offshore 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
95.9%
▼ -0.3% (vs Yesterday)▼ -0.3% (1 hr)

Effective storage: 16.9 10k m³ · Effective capacity: 17.6 10k m³

蘭湖 real-time hydraulic engineering cross-section蘭湖 real-time storage ratio is 95.9%.

Real-time Hydraulic Briefing

Synthesized water storage and flow dynamics

Current water storage for 蘭湖 is at 95.9% with a water level elevation of 17.46 m. Storage is down 0.3% compared to yesterday at the same time (falling 0.3% in the past hour). Primary water supply covers Jinhu Township and Kinmen Hospital vicinity.

蘭湖 (ID: 50214) is an official Off-stream Reservoir situated in the Qionglin Creek Tributary, Kinmen, operated and managed by Kinmen County Water Plant. In operation since 1968, 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 16.9 (10k m³), with a storage ratio of 95.9% and a real-time water level elevation of 17.46 meters.

Primary functional purposes include Central Kinmen Municipal Water Buffer, Scenic Tourism, with key regional supply coverage extending across Jinhu Township and Kinmen Hospital vicinity.

Primary Supply Area:Jinhu Township and Kinmen Hospital vicinity
Central Kinmen Municipal Water BufferScenic Tourism

Effective storage

16.9 10k m³

▼ -0.1 10k m³ (vs Yesterday)

Water level

17.46 m

▼ -0.01 m (vs Yesterday)

Inflow

N/A

Total outflow

N/A

Effective capacity

17.6 10k m³

Net Flow Balance

蘭湖 · 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

蘭湖 · 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 SystemQionglin Creek Tributary, Kinmen
Primary catchment river basin and hydrological system
Effective capacity17.6 10k m³
Maximum designed water storage capacity of the dam
Year Completed196858 yrs in operation
Long-term water supply security and flood resilience
Geographic Location
24.4464°N, 118.3889°E金門縣 · 金湖鎮

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

Frequently Asked Questions

蘭湖 · 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.