Improving Water Security in Water Improving Water Security in Water p o g ate Secu ty atep o g ate Secu ty ateStressed Bagmati River Basin,Stressed Bagmati River Basin,

Rabindra Ray, Engineer, GoN, Ministry of Urban Development, HPCIDBCRabindra Ray, Engineer, GoN, Ministry of Urban Development, HPCIDBC

NepalNepalRam Kumar Shrestha, Engineer, GoN, Ministry of Urban Development, HPCIDBCBharat K.C., Senior Divisional Engineer, GoN, Ministry of Urban Development, HPCIDBCRam Kumar Shrestha, Engineer, GoN, Ministry of Urban Development, HPCIDBCBharat K.C., Senior Divisional Engineer, GoN, Ministry of Urban Development, HPCIDBC

High Powered Committee for Intregated Development of Bagmati Civilization (HPCIDBC)

High Powered Committee for Intregated Development of Bagmati Civilization (HPCIDBC)

www.bagmati.gov.np

I t d ti t B ti B i

OutlineOutline

Introduction to Bagmati Basin

Status of River

Bagmati Action Plan (BAP)

Activities carried out by HPCIDBC

F t Pl Future Plan

Conclusion

Bagmati River Basin in Nepal

pper

Par

tU

pdl

e pa

rtM

ider

Part

Low

e

Total Catchment area : 3700 sq. km.

Total length of the river in Nepal : 220k220km

HPCIDBC

High Powered Committee for Integrated Development of Bagmati Civilization (HPCIDBC)(HPCIDBC) has the mandate:

Policy formulation and Planning for restoration of River system in the capital city, Kathmandu Valley

Construction of infrastructure to protect and restore the Bagmati River System

• Construction of sewer system • Construction of waste water

treatment plant• Construction of access road and

green beltgreen belt Defining the river alignment and width of

flow regime Monitor and regulate the activities along Monitor and regulate the activities along

the river side area.

Ultimate GoalUltimate GoalClean green and healthy river system inClean, green and healthy river system inKathmandu valley; that is full of life and valuedby allby all.

Bagmati River System in Kathmandu Valley

Bagmati River in KV (A few length)

7

Importance of Bagmati RiverK th d i th it lKathmandu is the capitalcity of Nepal, situated onthe banks of BagmatiRiver The length of

Pashupatinath Gokarneswor

River. The length ofBagmati River withinKathmandu Valley is 45km.km.

Bagmati River and itswatershed is veryimportant for Nepalimportant for Nepalstrategically, religiously,culturally, economically,socially &

Dhap Sunarighat

socially &environmentally. There are so many holy

places and cemeteriesplaces and cemeterieslocated in its bankenlisted in the WorldHeritage Sites.

Guheswori Gaurighat

Issues/Problems of Bagmati in Kathmandu

Decrease in river flow(tapping of almost all river water

Disposal of untreated waste water

Encroachments of river regimefor Water supply in KV) water regime

Solid waste dumping on river bank

sand extraction Haphazard urbanization and rapid populationbank and rapid population growth

Discharge of Bagmati RiverDischarge of Bagmati River Discharge of Bagmati River

28.7634.75

30

35

s

• High difference in dry and wet

12.5315.42

18.77

15

20

25ha

rge

Cum

ecsdry and wet

weather flow

1.98 3.44 3.22

0

5

10

Disc

h

• Water shortage in 0

GokarnaJorpati

Tilganga

Shankhamul

Babarmahal

Thapathali

Sundarighat

Khokama

Location

shortage in dry season

Dry Season Discharge m3/s Monsoon Discharge m3/s

Variation of BOD along Bagmati RiverVariation of BOD along Bagmati River600

400

500

300

400

OD

(mg/

L)

100

200BO

Sundarijal Gokarna Jorpati Guheshwori Tilganga Minbhawan Sankhamul Thapathali Teku Dovan Sundarighat0

100

Dec. 3 8 18 13 130 320 220 430 250Jan. 2 17 44 26 220 320 178 256 350 280Feb. 3 14 46 15 147 310 190 335 410 370Mar. 7 8 49 12 198 277 234 247 460 352

Water Quality of the Bagmati and its TributariesWater Quality of the Bagmati and its Tributaries

Bagmati Action Plan (BAP)

AA cccomprehensive framework document for the conservation of comprehensive framework document for the conservation of Bagmati River System.Bagmati River System.

B ti A ti PlBagmati Action Plan Bagmati Action Plan has been

developed by HPCIDBC & NTNCwith the financial support of UNEPand UNHABITATand UNHABITAT.

Bagmati Action Plan was approvedby the Government of Nepal iny pAugust 2009.

It envisages HPCIDBC as the leadgimplementing agency for riversystem environment improvement inKathmandu ValleyKathmandu Valley.

Zoning of the Kathmandu ValleyBagmati Action Plan …….

Zoning of the Kathmandu Valley

Natural Conservation

Rural

Zone 1

Zone 2 Rural

Peri Urban

Urban

Zone 2

Zone 3

Zone 4 Urban

Down Stream

Zone 4

Zone 5

Financial StatusFinancial Status

60 54

40

50

60

41

5446

40

29

20

3029

4 5 5 5 5

0

10

Year 1 Year 2 Year 3 Year 4 Year 5

3.8 4 4.5 5 5.5

Required BudgetMUSD

Expected AllocationMUSD

Activities Carried out by HPCIDBC

Conservation of water recharge areas, Dhap (origin of Bagmati)

Beforre

Noww

Construction of sewer lines green belts access roads along theActivities Carried out by HPCIDBC …………..

Construction of sewer lines, green belts, access roads along the river and river demarcation

Bagmati River Bank Protection work/River trainingActivities Carried out by HPCIDBC …………..

Bagmati River Bank Protection work/River training

Now Before

O ti f W t W t T t t Pl t t G h i

Activities Carried out by HPCIDBC …………..

Operation of Waste Water Treatment Plant at Guheswori

Capacity: 16.4 MLD

Drying Bed

Monthly average COD of influent and effluent of

1600

Monthly average COD of influent and effluent of the Waste Water Treatment Plant

1200

1400

1600

Influent

Effluent

800

1000

CO

D m

g/l

400

600

C

0

200

Apr-12 May-12 Jun-12 Jul-12 Aug-12 Sep-12

WWTP in Kathmandu

Gokarna)

Guheshwori

Madhyapur Thimi)

Bhaktapur

Balkumari 216 MLD

Sundarighat

397 MLD

Bhaktapur

NakhuChovar

Future Plan Rainwater harvesting, Ground water recharge and

livelihood development in buffer zone.Watershed Management activities in upper

Bagmati. (IUCN) Augmentation of river discharge by constructing

dam in upper Bagmati. (ADB/PPTA/8050)

Dam Height Storage Yield

Nagmati Dhap 18 m 0.7 mcm 24 l/s

Nagmati 60 m 5.0 mcm 230 l/s

Bagmati 50 m 3.4 mcm 200 l/s

Contour Photograph of proposed Dam siteFuture Plan …..

Contour Photograph of proposed Dam site

Road Map of Water Security in Bagmati Basin

Where we are? Where do we get there? Where do we want to go?

Water resource Develop & implement a Socially, environmentally development dangerously

unsustainable in the upper Watershed

p psustainable Water resource Mgt. system for deep GW use

y, y& economically sustainable WS & WWTP in the valley

Lane 1

River environment management almost out of

control

Develop and implement comprehensive River

Environment Mgt. system (Bagmati Action Plan)

Clean, green & healthy river system that if full of life & valued by allLane 2

control

Rapid and unsustainable urban

(Bagmati Action Plan)

Sustainable Water Resource development

Infrastructure in the lower basin and disaster Lane 3 development in

lower basin

Limited capacity and f

& Irrigation Water use Management

support a step wise

mgt. creating opportunities outside KV

Multi-stakeholders

Lane 3

resources from Governmental institution &

civil society to bring adequate response to basin

issues

approach for bldg. inter-sector collaboration, awareness & appr.

Decision

mechanisms for integrated management of water resources in the

basin

Lane 4

Conclusion

Bagmati River and its tributaries environmental situation has not deteriorated IRREVERSIBLY; it

b t dcan be regenerated• Implementing of IWRM.• Defining responsible sole organization for Bagmati• Defining responsible sole organization for Bagmati

Basin. • Developing the HPCIDBC as subsidiary RBO for p g y

Bagmati River.

www.bagmati.gov.np