7/29/2019 “My Town, My River Renovation Project”: The Case of Kitakyushu, Japan by Mr. Yasuyuki Fukunaga

http://slidepdf.com/reader/full/my-town-my-river-renovation-project-the-case-of-kitakyushu-japan-by 1/6

“ ”

“ ”

ADB Conference on Promoting Innovations in Wastewater Management

 City of  Kitakyushu’s Experience on 

City of  Kitakyushu’s Experience on astewater

 anagement

astewater 

anagement

29 J an 2013

Yasuyuki Fukunaga

Director, Water and Sewer Bureau, City of  Kitakyushu

7/29/2019 “My Town, My River Renovation Project”: The Case of Kitakyushu, Japan by Mr. Yasuyuki Fukunaga

http://slidepdf.com/reader/full/my-town-my-river-renovation-project-the-case-of-kitakyushu-japan-by 2/6

Dokai 

Overview of Kitakyushu

Basic Data

・ Area: 488km2 

・Population: 975,000 

・ Ave. Temperature: 16ºC 

Kitakyushu 

 Airport 

ay 

・ Ave. Rainfall: 1,600mm/y 

・GDP: 3.5 trillion yen

Murasakigawa

river ◆Kitak ushu is a reen cit that has

overcome severe pollution1960s Present

P1

7/29/2019 “My Town, My River Renovation Project”: The Case of Kitakyushu, Japan by Mr. Yasuyuki Fukunaga

http://slidepdf.com/reader/full/my-town-my-river-renovation-project-the-case-of-kitakyushu-japan-by 3/6

Kitakyushu’s Approach

 deteriorating environment

・ Study of surrounding environment・ -

・ Littering bans, others…

 The power of citizens stimulated actions from

(1) Improvements through sewerage construction

rocurng an guaran eeng nanc a resources(3) Removal of barracks and relocation of residents

(4) Comprehensive city development plan

Kitakyushu’s mayor

participated in cleaning

(5) Public awareness campaigns

Etc.P2

7/29/2019 “My Town, My River Renovation Project”: The Case of Kitakyushu, Japan by Mr. Yasuyuki Fukunaga

http://slidepdf.com/reader/full/my-town-my-river-renovation-project-the-case-of-kitakyushu-japan-by 4/6

Kitakyushu’s Technology Options

op on o e com ne sewer sys em a e n a s age

(2) Decision on optimum planning areas

(3) Adoption of small-scale sewerage facilities in rural areas(4) Creation of an energy circulating system

(5) Improvement of the combined sewer system as the next step

 Shinmachi STPHiagari STPKitaminato STP

Main sewerage facilities

・Sewage Treatment Plants: 5

3  ,

・Pumping Stations: 34

・Pipes: 4,394km

浄化センター現況能力：６２１，０００ｍ3/日 Sone STPKogasaki STP

P3

Achieved 99.8% of population

connected to the sewerage system(Mar. 2006)

7/29/2019 “My Town, My River Renovation Project”: The Case of Kitakyushu, Japan by Mr. Yasuyuki Fukunaga

http://slidepdf.com/reader/full/my-town-my-river-renovation-project-the-case-of-kitakyushu-japan-by 5/6

Procuring and Guaranteeing Financial Resources

◆ Pro er cost-sharin between national overnment and local residents

Basic project with national government subsidy 

Project covered by the local budget only 

■ Local bonds (65%)■ National government subsidy (26%)National 

300

350

単位：億円

一般会計出資金 その他35

Billion JPY

30

 ■ Transfer from general account (6%)

Local 

government 

subsidy 

(5/10)

150

200

25025

20

15

Local 

bonds

(9.5/10)

50

10010

5

on s(4.5/10)

0S38 S41 S44 S47 S50 S53 S56 S59 S62 H2 H5 H8 H11 H14 H17 H201963 1970 1980 1990 2000 2010

0

Kitakyushu’s caseJapanese standard (for pipes)

Beneficiary users charge,

etc.P4

7/29/2019 “My Town, My River Renovation Project”: The Case of Kitakyushu, Japan by Mr. Yasuyuki Fukunaga

http://slidepdf.com/reader/full/my-town-my-river-renovation-project-the-case-of-kitakyushu-japan-by 6/6

[Situation in 1968] 

Removal of Barracks and Relocation of Residents

・ ~ , peope vng n arrac s

・Untreated wastewater directly fed into river

◆Relocation of residents and removal of barracksconsidered to be a factor in environmental deterioration

●Formation of an organization to devise environmental pollution countermeasures

●Formation/implementation of an overall plan for removal/relocation

・Construction of public housing

・Workplace and land mediation

[Present Situation] 

 

20

30

40

50

  B  O  D  （ m g  /  l  ）

30

40

50

60

70

8090

 w e r a g e s a  t u r a  t  i o n  （  %  ）

Average B O D (m g/l)（Katsuyam a Bridge）Average B O D (m g/l)（Tanga B ridge）Sew erage saturation level（%）

P5

0

10

  1  9  6  4

  1  9  6  7

  1  9  7  0

  1  9  7  3

  1  9  7  6

  1  9  7  9

  1  9  8  2

  1  9  8  5

  1  9  8  8

  1  9  9  1

  1  9  9  4

  1  9  9  7

  2  0  0  0

  2  0  0  3

  2  0  0  6

  2  0  0  9

Fiscal Year

0

10

20 S