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Rivers flowing through Daegu
Classification River Name Length (Km) Basin area (㎢) Origin Endpoint
National river Nakdong River 525 23,326 Taebaek City, Gangwon Province Saha-gu, Busan Metropolitan City
Geumho River 118 2,088 Jukjang-myeon, Pohang City

Hwawon-eup, Dalseong-gun, (Confluence with the Nakdong River)

Provincial river Shincheon 12 165 Gachang-myeon, Dalseong Chimsan-dong, Buk-gu, Daegu
(Confluence with the Geumho River)
 
Water Works
Water Works
Water Intake Station Capacity of purification plant Distribution rate (%) Daily consumption per day per capita (liter) Remarks
Nakdong River, and Unmun, Gachang, and Gongsan dams 1,640,000㎥/day, 6 places 99.8 317 Advanced water purification and treatment
 
Current Situation of Tap Water Supply (As of Dec 31, 2009)

Total Population

Population with tap water access

Water supply ratio (%)

daily consumption per day per capita (liter) Average production volume (㎥/day) Ratio of accounted water (%)
Total Living Industrial
2,511,000 2,505,000 99.8 317 924 797 127 86.8
 
Production Facilities
    Facility capacity : local purification plants - 1,640,000㎥/day, metropolitan water supply system (industrial water) 20,000㎥
(Unit: ㎥/ day)
Classification Total Maegok Gosan Munsan Gachang Gongsan Jukgok
Facility capacity 1,640,000 800,000 350,000 200,000 50,000 40,000 200
(industrial)
Water intake station   Nakdong River Unmun Dam Nakdong River Gachang Dam Gongsan Dam Nakdong River
Ratios (%) 100 48.8 21.3 12.2 3.1 2.4 12.2
 

※ Household water supply : 1,440,000㎥ (88%); Industrial water supply: 200,000㎥ (12%)
    circle icon image Advanced water purification and treatment systems
    circle icon image Treatment capacity : Nakdong River system 1,000,000㎥/ day (69% of household water supply)
    circle icon image Treatment method : conventional filtering method + treatment with post-ozonation and activated carbon absorption

 
Supply Facilities

    circle icon imageTap water supply pipelines : 7,479 ㎞
       (water conveyance pipes 362 ; water distribution pipes 5,225 ; water supply pipes 1,892)
    circle icon imageDistributing reservoirs : 44 places (water storage capacity : 393,000㎥, volume for use for 5.75 hours)
    circle icon imageBoosting stations : 65 places (manned: 2, unmanned: 63)
    circle icon imageWater service connection tap : 263,000 places

 
Water Source Protection Areas: 3 sites 53㎢ – managed by ward and county offices

     Gangjeong water intake station: 3㎢, Gongsan Reservoir: 9㎢, Gachang Reservoir: 41㎢
    ※ Unmun Dam water protection areas (37㎢) are managed by Cheongdo County

 
Underground water

Potential development volume (㎥ / year)

Volume used
(㎥/year)

Developed sites Ratio of volume used to potential development volume Source
104,080,000 30,469,000 5,109 29.28% 2006 Daegu Underground Water Management Plan
 
Sewage treatment
Facility capacity Sewage water production volume Processed volume Ratio of processing Remarks
1,885,000㎥/d 1,228,000㎥/d 1,228,000㎥/d 100% release after 100% advanced processing at 6 sewage treatment plants
 
Yearly trends in water quality (BOD, mg/l)
Classification 1984 1992 2000 2005 2009
Geumho River 111.0 17.8 5.7 4.0 3.9
Nakdong River 10.2 5.4 4.2 2.8 3.3
 
 
 
 
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