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Bulk Clean Water Provider · Sei Mangkei SEZ

Clean water for a growing zone.

PT Bangun Tirta Medan manages the provision of bulk clean water for the Sei Mangkei Special Economic Zone — with measured standards of quality, safety, and environmental responsibility.

  • COD 14 November 2025
  • WTP capacity 250 L/sec
  • 25-year concession
Water Treatment Installation WTP Sei Mangkei
Operating
Installed capacity 250 L/sec
Concession period 25 years
250 L/sec WTP capacity
25 years Concession period
14 Nov 2025 Commercial Operation Date
2023 Year established
01 / About Us

Run right, from source to distribution.

PT Bangun Tirta Medan is a limited liability company engaged in bulk clean water management, serving the Sei Mangkei Special Economic Zone, Simalungun Regency, North Sumatra.

We provide clean water services that not only meet customer needs, but also bring peace of mind, protect the environment, and are run with high professionalism.

In carrying out all of its operational activities, the company ensures that every process is planned, executed, and controlled consistently, prioritising result quality, occupational health and safety, and responsibility towards the environment and the community.

Success is not determined only by the final outcome, but also by how the process is carried out. That is why all activities are executed professionally and in accordance with applicable regulations.

Water that flows well is the result of a system run the right way. PT Bangun Tirta Medan's commitment
PT Bangun Tirta Medan office building and WTP installation in the Sei Mangkei SEZ
Office & WTP installation, Sei Mangkei Sei Mangkei Special Economic Zone, Simalungun Regency, North Sumatra.

Professionalism

Every activity is executed professionally and in accordance with applicable regulations.

Occupational Health & Safety

OHS is part of every process, not an add-on at the end of the work.

Environmental stewardship

Responsibility towards the environment and the community is part of how we work.

Governance & compliance

GCG, zone regulations, and ISO-based quality management systems.

02 / Services

One responsibility: water of guarded quality.

From raw water intake to delivery, every stage is managed within one planned system — supported by a treatment installation with a capacity of 250 litres per second.

Core service

Bulk Clean Water Provision

BTM sells bulk water to the manager of the Sei Mangkei Special Economic Zone in Simalungun Regency. Supply is delivered through a water treatment installation that is built, tested, and operated in an integrated manner.

Bulk water Industrial zone Sustainable supply
250 Litres / sec WTP capacity

WTP Installation Management

Management of intake, water treatment installation, reservoir, piping, mechanical and electrical work, instrumentation, and SCADA.

Operation & Monitoring

Consistent control of operational processes, supported by installation performance monitoring and efficient resource management.

Compliance & Environmental Documentation

Fulfilment of permits and administration, including preparation of SIPPA, RKL, and RPL, and reporting to relevant authorities.

Information Technology & Quality Systems

Use of information technology for operational efficiency, administration, and company data management, with ISO-based quality management systems.

01

Intake

Raw water intake as the starting point of the supply system.

02

Treatment installation

Water treatment process with an installed capacity of 250 L/sec.

03

Reservoir

Storage of treated water before it is distributed.

04

Distribution

Delivery of bulk water through piping to the zone.

03 / Operations

A journey to build reliability.

From the deed of establishment to commercial operation, every stage was prepared in a measured way — from WTP construction to testing and commissioning.

Operation status

COD was set on 14 November 2025. Commercial activity effectively started in January 2026, in line with the readiness of the zone's distribution network.

15 November 2023

The company is formally established

PT Bangun Tirta Medan was established by Deed of Establishment No. 22, with a line of business in bulk clean water management and a 25-year concession period.

June 2024 — November 2025

Construction of the 250 L/sec WTP

The construction programme covered intake, water treatment installation, reservoir, piping, and mechanical and electrical work including instrumentation and SCADA.

14 November 2025

Testing, commissioning, and COD

Installation testing and commissioning were completed, followed by the establishment of the Commercial Operation Date (COD).

January 2026

Effective commercial operation

Commercial activity began effectively alongside the readiness of the distribution piping network prepared by the SEZ authority.

05 / Board & Commissioners

Balanced oversight and execution.

Company management is run with a clear division of roles between the supervisory function and the operational execution function.

01 Director

Ir. Anang Andri Wahyudi, M.M.

Leads the company's operational execution and business development.

Operations Performance Governance
02 Commissioner

Ir. Fatchur Rochman

Carries out the supervisory function over company management.

Supervision Compliance
Whistleblower

Your voice protects the company.

Report suspected misconduct anonymously or with your identity. Every report is handled confidentially, objectively, and without retaliation against good-faith reporters.

News & Information

Updates from BTM.

Operational, engineering, compliance, and corporate updates — published by the PT Bangun Tirta Medan communications team.

07 / Contact

Connect with our customer care team.

For questions about services, operations, or cooperation, please contact us by email. We will help direct your request to the right team.

Office

Jl. Crumb Rubber Kav. K1, KEK Sei Mangkei, Bosar Maligas,
Simalungun Regency, North Sumatra

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