Effective storage
906.1 10k m³
▼ -5.3 10k m³ (vs Yesterday)Real-time conditions and historical storage trends
Observed at: 09/18/2026 07:00Daily operation date: 09/17/2026 00:00
Source: Water Resources Agency Reservoir Conditions and Daily Reservoir Operations datasets
Storage ratioNormal Storage
91%
▼ -0.5% (vs Yesterday)▼ -0.5% (1 hr)
Effective storage: 906.1 10k m³ · Effective capacity: 996 10k m³
Real-time Hydraulic Briefing
Synthesized water storage and flow dynamicsCurrent water storage for 新山水庫 is at 91% with a water level elevation of 84.22 m. Storage is down 0.5% compared to yesterday at the same time (falling 0.5% in the past hour). Primary water supply covers Keelung City and Xizhi District.
新山水庫 (ID: 10204) is an official Off-stream Reservoir situated in the Xinshan Creek, Keelung River System, operated and managed by Taiwan Water Corporation 1st District Management Office. In operation since 1980, 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 906.1 (10k m³), with a storage ratio of 91% and a real-time water level elevation of 84.22 meters.
Primary functional purposes include Keelung City and Xizhi Municipal Water Supply, with key regional supply coverage extending across Keelung City and Xizhi District.
Primary Supply Area:Keelung City and Xizhi District
Keelung City and Xizhi Municipal Water Supply
Water level
84.22 m
▼ -0.11 m (vs Yesterday)Inflow
N/A
Total outflow
0 m³/s
— 0.0 m³/s (1 hr)Effective capacity
996 10k m³
Net Flow Balance
新山水庫 · Real-time hydrological balance and storage dispatch analysis
Inflow (Qin)
N/AUpstream catchment runoff inflow rateTotal outflow (Qout)
0 m³/sGate release and flood desilting rateNet Flow Balance (ΔQ)
N/AOfficial real-time inflow/outflow telemetry unavailable24 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.
Spillway outflowMain spillway gate release or crest free overflow
24h 待命常閉
Power outletHydroelectric turbine power generation discharge
24h 待命常閉
Desilting tunnelBottom desilting and sediment bypass tunnel
24h 待命常閉
Drainage tunnelDedicated flood diversion tunnel release
24h 待命常閉
Water drawMunicipal water, industrial, or irrigation draw
24h 待命常閉
Other outflowEcological baseflow or auxiliary facility release
24h 待命常閉
Historical Storage Trends
View historical storage percentage and water volume trends over time.
Reservoir Specifications · Geographic Location
新山水庫 · Engineering profile and geospatial information
Managing AgencyTaiwan Water Corporation 1st District Management Office
Facility TypeOff-stream Reservoir
River SystemXinshan Creek, Keelung River System
Effective capacity996 10k m³
Year Completed1980
Geographic Location
25.1322°N, 121.7061°E基隆市 · 安樂區
Related Reservoirs in Region
Check real-time conditions and historical trends for other facilities in the same region.
Frequently Asked Questions
新山水庫 · 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.