Arisu is the current name of the
tap water in
Seoul,
South Korea.
Name
Arisu was named in 2004, the former name for
Han River in ancient
Goguryeo, with the combination of 'Ari,' which means 'big' in Korean, and 'Su,' meaning, 'water.' It is also the name of the
water treatment plant
Water treatment is any process that improves the quality of water to make it appropriate for a specific end-use. The end use may be drinking, industrial water supply, irrigation, river flow maintenance, water recreation or many other uses, includ ...
located in Seoul, South Korea.
Quality and Supply
Water source management
Because Arisu is supplied to all areas of the city of Seoul, it is very strictly administrated by the water treatment plant. The Seoul Metropolitan Government engages in 24-hour real-time protection and surveillance of the water source to deliver clean and safe tap water. Regular assessments are made of 41 different indicators at 33 water source points and 135 indicators at the six water intake points. Seven indicators, including
algae
Algae (; singular alga ) is an informal term for a large and diverse group of photosynthetic eukaryotic organisms. It is a polyphyletic grouping that includes species from multiple distinct clades. Included organisms range from unicellular mic ...
(chlorophyll-a) and
phenol, are especially monitored automatically around the clock. The
Guui plant operates a biological early warning system using water fleas in addition to installing barriers to block oil from flowing into the water source. It is being served to more than ten million people living in Seoul and the metropolitan region of South Korea. Households with low-income are provided with 21 million bottles of Arisu.
Water purification system
The Office of Waterworks
Seoul Metropolitan Government
The Seoul Metropolitan Government is a local government of Seoul, South Korea. The mayor is elected to a four-year term by the citizens of Seoul and is responsible for the administration of the city government. The Seoul Metropolitan Government d ...
Starting with the
Yeongdeungpo Purification Plant in 2010, Seoul Metropolitan Government will augment the current average purification treatment method with the new ozone and granular activated carbon (or charcoal) system and expand this new advanced system to six water purification centers by 2015. The Advanced Water Purification System is a significantly more advanced water purification process when compared to previous water purification systems, and can eliminate the unpleasant taste from poor water quality and microbial elements such as residual antibiotics.
Seoul Water-Now System
Seoul Water-Now System is an automatic supervisional system of Arisu. It started in 2004, to prevent water contamination. It checks all the process of producing and supplying Arisu. Total of 156 places are checking its quality.
The Office of Waterworks Seoul Metropolitan Government won the
United Nations Public Service Awards in 2009 for the system.
2009 UNITED NATIONS PUBLIC SERVICE AWARDS WINNERS AND FINALISTS
/ref>
References
Water treatment facilities
Water in Seoul
{{Seoul-stub