New Taipei City
Main Reservoirs and Weirs	Water source	Effective capacity	Function
Xinshan Reservoir	Xinshan River	996	Public water supply
Xishi Reservoir	Xishi River	378	Public water supply
Feitsui Reservoir	Beishi River	333,766	Public water supply, power generation, flood control
Ayu Dam	Tonghou River	39	Power generation
Luohao Dam	Nanshi River	176	Power generation
Guishan Dam	Nanshi River	283	Power generation
Cukeng Dam	Xindian River	173	Power generation
Zhitan Dam	Xindian River	1,749	Public water supply
Qingtan Weir	Xindian River	371	Public water supply
Yushan Weir	Dahan River	4,684	Public water supply, irrigation

Taoyuan County
Main Reservoirs and Weirs	Water source	Effective capacity	Function
Shimen Reservoir	Dahan River	199,328	Irrigation, public water supply, power generation, flood control, sightseeing
Ronghua Dam	Dahan River	65	Sediment trapping, power generation

Hsinchu County
Main Reservoirs and Weirs	Water source	Effective capacity	Function
Baoshan Reservoir	Chaishushan River , Shangping River	5,008	Public water supply, industrial water supply
Second Baoshan Reservoir	Shijing River , Shangping River	31,743	Public water supply, industrial water supply
Longen Weir	Touqian River	─	Public water supply, irrigation
Dapu Reservoir	Emei River	5,076	Irrigation, industrial water supply, flood control

Miaoli County
Main Reservoirs and Weirs	Water source	Effective capacity	Function
Jiantan Reservoir	Nangang River	562	Irrigation, flood control
Yongheshan Reservoir	Beikenggou River , Nanzhuang River	29,934	Public water supply, irrigation
Mingde Reservoir	Laotianliao River	12,398	Public water supply, irrigation, sightseeing
Liyutan Reservoir	Jingshan River	115,837	Public water supply, irrigation, sightseeing
Shilin Weir	Daan River	682	Power generation

Taichung City
Main Reservoirs and Weirs	Water source	Effective capacity	Function
Deji Reservoir	Dajia River, Zhile River	188,660	Power generation
Qingshan Dam	Dajia River	676	Power generation
Guguan Reservoir	Dajia River, Xiaoxui River	4,328	Power generation
Tianlun Dam	Dajia River	352	Power generation
Ma'an Dam	Dajia River	604	Power generation
Shigang Dam	Dajia River	1,417	Public water supply, irrigation

Nantou County
Main Reservoirs and Weirs	Water source	Effective capacity	Function
Minghu Reservoir	Shuili River,Sun Moon Lake Reservoir	6,948	Power generation
Mingtan Reservoir	Shuili River,Sun Moon Lake Reservoir	11,150	Power generation
Chonggui Dam	Chonggui River	72	Power generation
Toushe Reservoir	Dasheman River	208	Irrigation, sightseeing
Jiji Weir	Zhuoshui River	5,316	Public water supply, irrigation, industrial water supply
Wushe Reservoir	Wushe River	36,825	Power generation
Wujie Dam	Wanda River	621	Water intake
Sun Moon Lake Reservoir	Zhuoshui River	129,640	Power generation, public water supply, sightseeing

Yunlin County

Main Reservoirs and Weirs	Water source	Effective capacity	Function
Hushan Reservoir	Beigang River,Qingshui River	50,583	Public water supply

Chiayi County
Main Reservoirs and Weirs	Water source	Effective capacity	Function
Napuzi Reservoir	Puzi River	690	Irrigation
Renyitan Reservoir	Bazhang River	24,803	Public water supply, sightseeing
Lantan Reservoir	Bazhang River	9,218	Public water supply, sightseeing
Zengwen Reservoir	Zengwen River	506,853	Public water supply, sightseeing, irrigation, power generation,, flood control

Tainan City
Main Reservoirs and Weirs	Water source	Effective capacity	Function
Luliaoxi Reservoir	Luliao River	714	Irrigation, industrial water supply
Baihe Reservoir	Baishui River	13,875	Public water supply, sightseeing, irrigation
Jianshanpi Reservoir	Guichong River	853	Sightseeing, irrigation
Deyuanpi Reservoir	Wencuokuo River	2,298	Irrigation
Wushantou Reservoir	Zengwen River	79,209	Public water supply, sightseeing, irrigation
Nanhua Reservoir	Houjue River, Qishan River	89,490	Public water supply
Jingmian Reservoir	Jingmian River	971	Public water supply, irrigation
Yufeng Weir	Zengwen River	174	Public water supply
Yanshuipi Reservoir	Yanshui River, Qiedong River	471	Irrigation
Hutoupi Reservoir	Qielingkan River	1,222	Sightseeing, irrigation

Kaohsiung City
Main Reservoirs and Weirs	Water source	Effective capacity	Function
Agongdian Reservoir	Agongdian River, Chishan River	15,198	Public water supply, irrigation, flood control
Guanyinhu Reservoir	Shihlung River,Houjin River	468	Irrigation
Chengqing Lake Reservoir	Gaoping River	2,260	Public water supply, sightseeing, irrigation
Fengshan Reservoir	Gaoping River, Donggang River	6,954	Public water supply, sightseeing, , industrial water supply
Meinong Reservoir	Laonong River	563	Irrigation
Gaoping River Weir	Gaoping River	─	Public water supply
Jiaxian Weir	Qishan River	─	Public water supply

Pingtung County
Main Reservoirs and Weirs	Water source	Effective capacity	Function
Mudan Reservoir	Rureng River,Mudan River	26,526	Irrigation, Public water supply
Longluantan Reservoir	Natural rainfall	3,343	Irrigation,ecology, conservation

Taitung County
Main Reservoirs and Weirs	Water source	Effective capacity	Function
Chouqin Reservoir	Liumagou River	52	Public water supply

Hualien County
Main Reservoirs and Weirs	Water source	Effective capacity	Function
Xipan Dam	Liwu River	226	Power generation
Longxi Dam	Longxi River	188	Power generation
Mugua Dam	Mugua River	10	Power generation
Shuilian Dam	Mugua River	29	Power generation

Yilan County
Main Reservoirs and Weirs	Water source	Effective capacity	Function
Luodong Weir	Luodong River	─	Public water supply
Nanxi Dam	Hepingnan River	535	Power generation

Penghu County
Main Reservoirs and Weirs	Water source	Effective capacity	Function
Chenggong Reservoir	Gangdi River	1,210	Public water supply
Xingren Reservoir	Shunanggang River	740	Public water supply
Dongwei Reservoir	Natural rainfall	323	Public water supply
Chikan Ground Reservoir	Natural rainfall	510	Public water supply, irrigation
Xi'an Reservoir	Natural rainfall	236	Public water supply
Qimei Reservoir	Natural rainfall	246	Public water supply
Xiaochi Reservoir	Natural rainfall	204	Public water supply
Wugou Pond	Natural rainfall	27	Public water supply

Kinmen County
Main Reservoirs and Weirs	Water source	Effective capacity	Function
Shanxi Reservoir	Natural rainfall	199	Public water supply
Jinsha Reservoir	Jinsha River	494	Public water supply
Ronghu Reservoir	Jinsha River	408	Public water supply
Tianpu Reservoir	Qianpu River	650	Public water supply
Qingtian Reservoir	Jinsha River	238	Public water supply
Qionglin Reservoir	Qionglin River	330	Public water supply
Lanhu Reservoir	Natural rainfall	319	Public water supply
Taihu Reservoir	Shanwai River	1,696	Public water supply
Linghu Reservoir	Natural rainfall	88	Public water supply
Lianhu Reservoir	Natural rainfall	70	Public water supply
Xihu Reservoir	Natural rainfall	438	Public water supply
Yangminghu Reservoir	Qianpu River	307	Public water supply
Jinhu Reservoir	Natural rainfall	422	Public water supply

Lienchiang County
Main Reservoirs and Weirs	Water source	Effective capacity	Function
Dongyong Reservoir	Natural rainfall	70	Public water supply
Banli Reservoir	Natural rainfall	152	Public water supply
Qiuguaishan Reservori	Natural rainfall	34	Public water supply
Chuishuiwo Reservoir	Natural rainfall	36	Public water supply
First Jinsha Reservoir	Natural rainfall	15	Public water supply
Jinshha Reservoir	Natural rainfall	59	Public water supply
Shengli	Natural rainfall	270	Public water supply
Houwo Reservoir	Natural rainfall	503	Public water supply

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Agency Head Office, Taichung Office：No.501, Sec. 2, Liming Rd., Nantun Dist., Taichung City 408281, Taiwan (R.O.C.)
Tel :(+886)4-2250-1250 Fax : (+886)4-2250-1628

Agency Head Office, Taipei Office： 9-12F., No.41-3, Sec. 3, Xinyi Rd., Da'an Dist., Taipei City 106242, Taiwan (R.O.C.)
Tel : (+886)2-3707-3000 Fax : (+886)2-3707-3134

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Tel :(+886)2-3151-2400

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Last Updated

2026-02-02

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Reservoirs, dams and weirs of Taiwan