What Provincial Waterworks Authority does

Provincial Waterworks Authority (PWA) is a Thai government state enterprise established under the Provincial Waterworks Authority Act B.E. 2522 (1979) and supervised by the Ministry of Interior. PWA is the primary statutory water utility for provincial areas of Thailand, operating outside the Bangkok Metropolitan Region through 12 regional districts (กปภ.ข.1-12) and a nationwide network of provincial branch offices (สาขา). Its core function is to treat raw water, produce potable water meeting PWA water quality standards, and distribute it to residential, educational, government, and welfare customers across all Thai provinces.

PWA's technology stack centers on water treatment and production facilities, nitrogen gas pipe cleaning technology, in-house science laboratories, GIS-based mapping systems, and a real-time water quality monitoring platform (RTU Monitor). Digital customer-facing infrastructure includes the PWA E-Service portal, a 1662 contact center hotline, the Smart 1662 complaint tracking system, an online water tariff calculator, the PWA Open Data portal, and a PWA LINE account. The authority also publishes PWA Water Journal (วารสารน้ำ กปภ.) and operates an e-procurement system for supplier engagement.

PWA generates revenue primarily through monthly usage-based water service fees billed per published tariff tiers, complemented by one-time new water installation fees, fee-based water testing services, and government budget allocations for infrastructure development. The authority serves general public/residential customers as its primary segment, with additional segments covering educational institutions and government welfare recipients who receive subsidized rates. Distribution is omnichannel — physical branch offices, digital self-service, contact center, LINE, and online payment channels — and is reinforced by a 2026 MOU with the National Water Resources Institute to strengthen national water management capabilities.

Name

Provincial Waterworks Authority

Legal name

การประปาส่วนภูมิภาค (Provincial Waterworks Authority)

Website

https://pwa.co.th

Company type

Private

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

Provincial Waterworks Authority (PWA) is a Thai government state enterprise under the Ministry of Interior that provides treated potable water supply, distribution, and quality monitoring to residential, educational, and welfare customers across all provinces of Thailand through 12 regional districts and digital service channels.

Ownership category

akta.pro rank

Product category

Water Utility Services

NAICS

Water Supply and Irrigation Systems (22131), Water, Sewage and Other Systems (2213), Administration of Air and Water Resource and Solid Waste Management Programs (92411)

SIC

Water Supply (4941)

akta.pro primary industry

Water Supply & Wastewater Utilities Administration (BPAIACAG)

akta.pro secondary industries

Water Resources Administration (Watersheds, Rivers, Groundwater) (BPAIAMAE), Water & Wastewater Utility IoT (SCADA, Leak/Quality Monitoring) (EUADAPAK)

Keywords

• Water utility services
• Potable water supply
• Water treatment operations
• Water distribution infrastructure
• Water quality testing

Headquarters

HQ city

Bangkok

HQ country

Thailand

HQ region

Asia

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Infrastructure, Operations, Personnel, Technology or R&D, Supply Chain

Revenue model

1. Water Service Fees (ค่าน้ำ): PWA generates revenue primarily through water service charges billed to customers based on water consumption volumes according to published water tariff rates.
2. New Water Installation Fees: Fees charged for new water meter installation services. PWA offered a 15% reduction on new water installation fees as a government welfare measure.
3. Water Testing Services: Fee-based water quality testing, chemical testing, filter media testing, and pipe testing services.
4. Government Budget Allocation: As a state enterprise under the Ministry of Interior, PWA receives government budget allocations for infrastructure development and operations.

Pricing tiers

Go-to-market motion1 record

Distribution channels6 records

Marketing channels6 records

Core offering

Provincial Waterworks Authority (PWA) operates Thailand's provincial water utility infrastructure, providing potable tap water services through 12 regional districts and provincial branch offices. Its core operations include raw water treatment and production, water distribution pipe network management, water quality testing and monitoring, new water connection installations, and fee-based laboratory testing services for water, chemicals, filter media, and pipes.

Product overview

Provincial Waterworks Authority (PWA) operates Thailand's provincial water utility infrastructure, providing drinking water services through a network of regional offices. The digital service portfolio consists of customer-facing platforms including PWA E-Service for account management, Contact Center 1662 for customer support, complaint tracking via Smart 1662, and an online water tariff calculator. Additional services include an Open Data portal for public statistics, an e-procurement system for suppliers, a GIS-based water quality monitoring map, and welfare registration integration for government assistance programs. Services are accessible via web portal, mobile LINE application, and the 1662 hotline.

Differentiator

Problem solved

Functional benefit

Products and services

• Tap Water Supply Service Recurring treated potable water supply service delivered through PWA's distribution pipe network to residential and commercial customers across all provincial areas of Thailand, billed monthly based on published consumption-volume tariff rates.
• New Water Connection Installation New water meter installation service for properties applying for new water connections; PWA offered a 15% reduction on installation fees as a government welfare measure to help citizens save over 8 million baht.
• Water Quality Testing Services Fee-based laboratory testing of water, chemicals, filter media, and pipe samples conducted at PWA's in-house science laboratories.
• PWA E-Service Online Account Management Online self-service portal allowing customers to manage water utility accounts, view bills, request new connections, and access water service applications digitally.
• PWA Contact Center 1662 Service 24-hour customer service hotline (1662) for water service inquiries, complaints, outage reports, emergency water supply coordination, and live chat support.

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Feature5 records

Partnerships

Three partnerships are on record, tiered core and minor.

• National Water Resources Institute (อจน.)coreStrategic or Co-development Partner · 6 July 2569PWA signed an MOU with the National Water Resources Institute (อจน.) on July 6, 2569 to enhance organizational management and strengthen water management capabilities of the country. The partnership aims to elevate PWA's organizational administration and national water resource management.
• Thai Waterworks Association (สมาคมการประปาแห่งประเทศไทย - สปปท.)minorStrategic or Co-development PartnerPWA is associated with the Thai Waterworks Association (สปปท.) for industry collaboration and knowledge sharing in the water utility sector.
• 4-Agency Coalition for Drought ResponsecoreStrategic or Co-development PartnerPWA joined a 4-agency coalition kick-off to fight drought crisis, collaborating with other government agencies for coordinated drought response and water management efforts.

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Others

• Thai Waterworks Association (สปปท.): Industry association for Thai water utilities in which PWA participates. Not a direct competitor but represents the broader ecosystem of operators and suppliers PWA collaborates with, making it a relevant peer for industry positioning.
• National Water Resources Institute (อจน.): Thai national institute for water resources management that signed an MOU with PWA. They are a strategic partner rather than competitor, but their mission (national water security, watershed management) directly intersects with PWA's supply operations and long-term strategy.
• SUEZ Water Technologies & Solutions: Major water and wastewater treatment technology vendor. Comparable to PWA as a potential supplier of treatment systems, laboratory equipment, and digital monitoring solutions for utility operations.
• Veolia Water Technologies & Solutions: Global water treatment technology and services provider. While not a utility peer, Veolia is a key vendor and technology partner for treatment plants and SCADA-type systems used by PWA, making it directly relevant for understanding PWA's technology stack and modernization path.

Broad incumbents

• Tokyo Metropolitan Government Bureau of Waterworks: Major Asian metropolitan water utility operating treatment and distribution for Tokyo. Comparable in scale, density of digital services, and water quality monitoring standards; useful benchmark for PWA's customer-facing platforms and quality assurance.
• Singapore Public Utilities Board (PUB): Singapore's national water agency operating treatment, distribution, and reuse. Similar statutory monopoly model and digital customer service culture, but with broader scope including NEWater and desalination, making PWA a regional counterpart in ASEAN water utility best practices.

Direct peers

• Metropolitan Waterworks Authority (Thailand): Thailand's Bangkok metropolitan water utility, the direct counterpart to PWA. Operates water treatment, distribution, and billing for Bangkok and surrounding provinces, sharing the same regulatory framework, digital service portfolio (E-Service, hotline), and state-enterprise governance model.
• Water Authority of Thailand: Thai water authority overseeing irrigation and raw water management that interacts closely with PWA. Comparable in its government-owned status and national water mandate, providing a complementary view of Thailand's water value chain.
• Manila Water Company: Philippines' leading provincial/Metro Manila water utility under a concession model. Comparable in providing water supply to a large, geographically dispersed customer base with digital billing and customer service channels, but operates under a private concession rather than state-enterprise model.
• Maynilad Water Services: Another major Philippine water concessionaire serving Metro Manila's west zone. Comparable customer scale, regulated tariff structure, and emphasis on non-revenue water reduction, providing a useful peer for PWA's operational efficiency benchmarking.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/channel/UCwx_Os3VzcVQ31TmKLNjxPg
• Facebookfacebook.com/pwarecruitment
• LinkedInlinkedin.com/company/provincial-waterworks-authority

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Provincial Waterworks Authority