OpenViz

羅東攔河堰

ID: 10802NorthRun-of-river Weir

Real-time conditions and historical storage trends

Observed at: —Daily operation date: 09/16/2026 00:00

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

💡 Operational Notes & FAQ

羅東攔河堰

💡 Run-of-river Weir: Regulates gate openings according to immediate Luodong River flows without deep storage.

Facility OperationRegular Monitoring
—N/A

Run-of-river facility · Primarily raises river level for diversion/water supply without storage ratio monitoring

羅東攔河堰 real-time hydraulic engineering cross-section羅東攔河堰 is a run-of-river facility or weir operating with steady throughflow regulation without storage percentage monitoring.

Real-time Hydraulic Briefing

Synthesized water storage and flow dynamics

羅東攔河堰 (Run-of-river Weir) is a major hydraulic facility managed under the Water Resources Agency. Primary water supply covers Luodong, Dongshan, and Wujie in Yilan via Guangxing Plant.

羅東攔河堰 (ID: 10802) is an official Run-of-river Weir situated in the Luodong Creek, Lanyang River System, operated and managed by 1st River Branch, WRA. In operation since 2004, this facility serves as a vital strategic pillar in Taiwan's regional water grid and flood mitigation network.

Primary functional purposes include Southern Yilan Municipal Water, Groundwater & Subsurface Flow Recharge, with key regional supply coverage extending across Luodong, Dongshan, and Wujie in Yilan via Guangxing Plant.

Primary Supply Area:Luodong, Dongshan, and Wujie in Yilan via Guangxing Plant
Southern Yilan Municipal WaterGroundwater & Subsurface Flow Recharge

Water draw

N/A

Water level

N/A

— 0.0 m (1 hr)

Inflow

N/A

Total outflow

N/A

— 0.0 m³/s (1 hr)

Catchment rainfall

N/A

Net Flow Balance

羅東攔河堰 · 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
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

Hydrological Flow & Water Level History

Historical telemetry trends for inflow, outflow discharge, and live water level elevation.

Reservoir Specifications · Geographic Location

羅東攔河堰 · Engineering profile and geospatial information

Managing Agency1st River Branch, WRA
Responsible for facility operation and flood dispatch
Facility TypeRun-of-river Weir
Dam structure and engineering classification
River SystemLuodong Creek, Lanyang River System
Primary catchment river basin and hydrological system
Effective capacityRun-of-river (No storage basin)
Maximum designed water storage capacity of the dam
Year Completed200422 yrs in operation
Long-term water supply security and flood resilience
Geographic Location
24.6733°N, 121.7336°E宜蘭縣 · 冬山鄉
Open in Google Maps

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

大埔水庫

10503
84.5%
Effective storage459.9 10k m³

寶山水庫

10401
101.5%
Effective storage508.6 10k m³

寶山第二水庫

10405
100.3%
Effective storage3,392.3 10k m³

新山水庫

10204
91%
Effective storage906.1 10k m³

明德水庫

10601
89.6%
Effective storage1,095.4 10k m³

榮華壩

10206
—
Effective storage— 10k m³

Frequently Asked Questions

羅東攔河堰 · Key insights into reservoir metrics, release mechanisms, and facility operations

FAQ

💡 Run-of-river Weir: Regulates gate openings according to immediate Luodong River flows without deep storage.