7th International Workshop on
Decentralized Domestic Wastewater Treatment in Asia

Current Activities on Domestic Wastewater Treatment
in Mandalay City, Myanmar

Presented byMs. Myint Myint Than
Committee Member
Water and Sanitation Department
Mandalay City Development Committee
24th September, 2019 (Tuesday)1General Information About Mandalay City
- Located in(21.98°) North & (96.08°) East
- One of the Smart Cities
among 26 cities in ASEAN- 314.69 km2 City Area
- 1.2 Million People(according to 2014 census)- 1.8 Million People(projection for 2040)(6) Townships
Mandalay Region- 1.7 % of population growth
rate

Mandalay City2

Our Mission & Vision
(1)
(2)
(3)

• To keep the city clean• To make the city beautiful• To enable the city dwellers to enjoy the pleasant life3

Governance :Minister / Mayor

Organization Structure ofVice-Mayor

Mandalay City Development Committee

Secretory
REGULATORS

Joint Secretory(9) Committee Members(Selected 4 persons and Elected 5 persons)Administration
Department
Cleansing
Department

Market and Slaughter
house Department

Motor Transport andWorkshop Department

Water and Sanitation
Department

Roads and Bridges
Department

Playgrounds, Parks and Gardens
DepartmentPublic Relations and Information
Department

Urban Planning and Land Administration
Department

Finance
Department

Revenue
Department
Inspection
Department

Building and Central Store
Department

Agriculture and Livestock Breeding
Department

4I

Water and Sanitation Department

5Organizational Structure of
Water and Sanitation Department

Committee Member

Director

Deputy Director

Tube Well , Electrical andMechanical Section

Water Distribution
Section

Sanitation

Procurement &Project

Section

Maintenance Section

Management Unit

6I

Responsibilities of Sanitation Section
1)

Permit to individual septic tank construction for house hold.

2)

Provide desludging service

3)

Facility the mobile toilets at the public occasions

4)

Provide public toilets

5)

Solving the complaints of public

6)

Control the sluice gate

7)

Check and take action on Industrial waste disposing from the factories

8)

Construction ,Operation, Maintenance and management of pumping stations

7Domestic and Industrial Wastewater8

Overview on Domestic Wastewater Situation
Grey water & Effluents from septic
Tank

Directly discharge to 9 main drains Open drainage system
 Combined sewerage system
 Dispose directly to Ayeyarwaddy River from the city Dispose directly to Dotthawaddy River from Industrial zone
 Dispose directly to 2 storage lakes from 9 main drains (totally 36.64 miles) 8 storm water pumping stations
 No tariff on waste water

9New Flood Protection measures for Domestic Wastewater discharge

Detention Pond
1) Location – Chanmyatharzi tsp
2) Construction period – 29.3.2019 ~ 1.8.2019
3) Investment Cost – 9096,00,000 MMK
4) Pump Capacity – 1,12,320 gal/hr
5) Pump type – Submersible Pump (3operations & 1 standby)

Sluice Gate
1) Location – Maharaungmyay tsp
2) Construction period – 8.3.2019~ 1.8.2019
3) Investment Cost – 550,00,000MMK
10

Controlling for
Domestic Wastewater effluent quality in drainage system
1) Location – Yu Nan Chinese Temple
2) Type of chamber – Compact grease trap
3) Capacity – 4.8 m3

11

Controlling for
Domestic Wastewater effluent quality in drainage system

12

Controlling for
Industrial Wastewater effluent quality in drainage system
1) Industries – (26) nos of Leather Factories
2) Investment cost – 5000,00,000 MMK (35 % by Businessman + 65 % by Responsible Business Fund (Denmark)3) Construction Period – 6 months
4) Influent quantity – 1920 mg/l (BOD), 4000 mg/l (COD), 990 mg/l (SS)5) Effluent quantity – < 50 mg/l (BOD), < 250 mg/l (COD), < 50 mg/l (SS)6) Effluent capacity – 280 m3/day
7) Treatment System – Anaerobic Digester, Aerobic Digester, Chlorination
8) PH level – 7 ~ 99) Methane gas – collected by tank13

Sanitation

14

Current Sanitation Situation in Mandalay City1) 62 % septic tank2) 32 % pit latrines3) 6 % open defecation

4) No pipe sewage system
5) No centralize treatment system6) Emptying sludge by vacuum trucks

No1
2
3
Total

Total collection load
Model/Made Nos(m3/day)
Minimum Maximum
Japan
2
4.5
9.1
DF Faw
44.5
9.1
China
4
4.5
9.1
1045.2
91

Total load (m3/month)(22 working days in a month)
MinimumMaximum
198
400.4
396
800.8
396
800.8
990
2002

(existing 10 nos + purchasing 10 nos)15

Desludging and Oxidation Pond
Location of theOxidation Pond

Location

11km from north of Mandalay
City

Kyar Ni Kan Cemetery

Under MCDC Area
(6 townships)
40100 MMKPond Size
Uptown MCDC Area
60100 MMK

Facultative Pond (200’x100’x6’)



Aerobic Pond (100’x100’x5’)

Finishing Pond (50’x50’x4’)16

On-site Domestic Wastewater Treatment Project (Jokhasou System)
In HninSi Rental Housing

17

Public Toilets

18

ASEAN Public Toilet Awards 2019 ~ 2021
1) Location – 70th Street, between 26th & 27th Street
2) Treatment – Johkasou system
3) Capacity – 10 m3 per day4) Demand – average 145 person per day5) Fee – 200 kyats per person

19

Public Toilets with Johkasou System20

Mandalay Urban Services Improvement Project(MUSIP)

21

Mandalay Urban Services Improvement Project (MUSIP)(Apr 2016- March2023)
ADB loan = $60.0 million
Grant from the Urban Climate Change Resilience TrustFund (UCCRTF) of $4.0 million administered by ADB

MYWW/1.0: Thingazar interceptor

MYWW/2.0: ShweTaChaung intercepto

MYWW/3.0: ShweGe Pumping Station



MYWW/4.0: Nankad Lake WWTP and ancillaries (DBO)22

Current issues
1) Budget limitation
2) Baseline on sanitation data are not available3) No dedicated department for managing and monitoring on Sanitation and drainage system
4) lack of integrated planning based on experience on wastewater treatment
5) Inadequate attention has been paid to develop urban sanitation and drainage
6) lack of adequate legal and institutional structure to make plans and manage the development7) long-term problem of underinvestment in sanitation infrastructure8) The inadequate attention to social and environmental safeguards for emission guidelines on
domestic wastewater23

Thanks
For your Kind Attention

24