GROUNDWATER MANAGEMENT POLICY AND VERTICAL

DRAINAGE DEVELOPMENT IN DKI JAKARTA

Presented in:Public outreach on groundwater resources event

Jakarta, 7 Desember 2018

By:

Acting official Head of Industry and Energy Office DKI JakartaDr. Ricki Marojahan Mulia, ST. MSc

1

Existing Groundwater basin condition in Jakarta

Groundwater basin map in Jakarta

Geology map of groundwater basin in Jakarta

1. Jakarta is located in between

groundwater basin of Jakarta,

Banten and West Java.

2. Most of catchment area is

beyond Jakarta region.

2

Pressure from population growth and cover area

2000 0 2000 Meters

Peta Penutupan Lahan

DKI Jakarta Tahun 1972

690000

690000

695000

695000

700000

700000

705000

705000

710000

710000

715000

715000

9295000

9295000

9300000

9300000

9305000

9305000

9310000

9310000

9315000

9315000

9320000

9320000

9325000

9325000

KETERANGAN

DANAUFASILITAS UMUMLAHAN TERBUKAPERMUKIMANRAWA/TAMBAK/LAUTSAWAHVEGETASI

2000 0 2000 Meters

Peta Penutupan Lahan

DKI Jakarta Tahun 1983

690000

690000

695000

695000

700000

700000

705000

705000

710000

710000

715000

715000

9295000

9295000

9300000

9300000

9305000

9305000

9310000

9310000

9315000

9315000

9320000

9320000

9325000

9325000

KETERANGAN

DANAUFASILITAS UMUMLAHAN TERBUKARAWA/TAMBAK/LAUTSAWAHURBANVEGETASI

2000 0 2000 Meters

Peta Penutupan Lahan

DKI Jakarta Tahun 1993

690000

690000

695000

695000

700000

700000

705000

705000

710000

710000

715000

715000

9295000

9295000

9300000

9300000

9305000

9305000

9310000

9310000

9315000

9315000

9320000

9320000

9325000

9325000

KETERANGAN

AIR/SUNGAIFASILITAS UMUMLAHAN TERBUKAPERMUKIMANRAWA/TAMBAK/LAUTSAWAHVEGETASI

2000 0 2000 Meters

Peta Penutupan Lahan

DKI Jakarta Tahun 1998

690000

690000

695000

695000

700000

700000

705000

705000

710000

710000

715000

715000

9295000

9295000

9300000

9300000

9305000

9305000

9310000

9310000

9315000

9315000

9320000

9320000

9325000

9325000

KETERANGAN

AIR/SUNGAIFASILITAS UMUMLAHAN TERBUKAPERMUKIMANRAWA/TAMBAK/LAUTSAWAHVEGETASI

2000 0 2000 Meters

Peta Penutupan Lahan

DKI Jakarta Tahun 2002

690000

690000

695000

695000

700000

700000

705000

705000

710000

710000

715000

715000

9295000

9295000

9300000

9300000

9305000

9305000

9310000

9310000

9315000

9315000

9320000

9320000

9325000

9325000

KETERANGAN

AIR/SUNGAIFASILITAS UMUMLAHAN TERBUKAPERMUKIMANRAWA/TAMBAK/LAUTSAWAHVEGETASI

1972 1983 1993 1998 2002

Total amount of Jakarta population in

2017 are 10.4 million persons.

Population growth is linier with clean

water consumption and cover area.

Hence, recharged water to aquifer will

decrease.

3

Land Subsidence Map in DKI Jakarta 2014 – 2017 monitor by GPS

The results of monitoring, in 2017 the severe land subsidence isaround Pulogadung, Tanjung Priok, Pademangan, Pluit,Penjaringan and Kembangan with the maximum 25 cm inbetween 2014-2017 (3 years)

Correlation between groundwater decline and land subsidence in DKI Jakarta

Meter

TABEL LUASAN ZONA KERUSAKAN AIR TANAH AKUIFER TERTEKAN ATAS (40-140 m)

Year 2009 2010 2013

ZONA

Rusak 0,40% 1,60% 13%

Kritis 15,30% 19,30% 33%

Rawan 24,50% 14,50% 29%

Aman 60,60% 64,50% 26% 4

Illustration of groundwater exploitation, land subsidence, and puddle area

5

Cause of Land Subsidence in Jakarta

• Groundwater exploitation (controlable)

• Jakarta Natural litology consolidation

• Land Loading

• Tectonics

• Geological structure

6

Environment

conservation

Safe limit exploitation

Tax/retribution

Vertical Drainage

control

The potencial

of

Groundwater

Water need

utilization

conservation

Water authority (primary)

Groundwater (secondary)

Construction of water

drilling setting

Groundwater

condition

Technical

recommendation

from Minister of

ESDM

GROUNDWATER MANAGEMENT CONCEPT IN JAKARTA

7

GROUNDWATER MANAGEMENT STRATEGIC IN DKI JAKARTA

1. Vertical Drainage installation

Sumur Resapan Dangkal Tipe Spiral Persyaratan Teknis Sumur Resapan

Sumur Resapan Tipe Modular

Sumur Resapan Tipe Buis Beton

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In 2019 the Government of DKI Jakarta will built 1333 Vertical Drainage in the form of Infiltration well!

YUK IKUT #GERAKANMENABUNG AIR HUJAN. BERSAMA MENGATASI PERSOALAN AIR DI JAKARTA DIMULAI DARI

RUMAH KITA SENDIRI!

9

…Continue

1. Vertical Drainage installation

2. Monitoring Well Installation

Jaringan Sumur Pantau Milik Pemprov DKI JakartaPeta Jaringan Sumur Pantau di DKI Jakarta

Proses Pembangunan Sumur Pantau

GROUNDWATER MANAGEMENT STRATEGIC IN DKI JAKARTA

Alat telemetri pada sumur pantau10

There are 11 monitoring well (real time monitoring) develop by well in DKI Jakarta. In 2018, 5 new monitoring well is installed.

3. Extensometer Station Installation

. . . .. . .. . . .. . .. . . .. . .. . . .. . .. . . .. . .. . . .. . .

. . . .. . .. . . .. . .. . . .. . .. . . .. . .. . . .. . .. . . .. . .

_ _ _ _ __ _ _ _ __ _ _ _ __ _ _ _ __ _ _ _ __ _ _ _ __ _ _ _ __ _ _ _ __ _ _ _ _

_ _ _ _ __ _ _ _ __ _ _ _ __ _ _ _ __ _ _ _ __ _ _ _ __ _ _ _ __ _ _ _ __ _ _ _ _

Clay

Sand

Anchor

Headframe

Termam

patkan

35997,582 mm

GROUNDWATER MANAGEMENT STRATEGIC IN DKI JAKARTA

11

4. Zero Deep Well Policy

The Governor Decree

concerning limitation of

gorundwater in the

area that cover by

Water Authority is

proceeded.

GROUNDWATER MANAGEMENT STRATEGIC IN DKI JAKARTA

12

13

5. Supervision and control of water drilling

GROUNDWATER MANAGEMENT STRATEGIC IN DKI JAKARTA

…Continue

14

5. Supervision and control of water drilling

Dinas Perindustrian dan EnergiProvinsi DKI Jakarta

Jalan Taman Jatibaru No.1 Gedung Dinas TeknisGambir – Jakarta 10150 021-34830438

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