East Water (EASTW)
Eastern Water Resources (SET: EASTW) supplies raw water to Eastern Economic Corridor (EEC — Chonburi, Rayong, Chachoengsao) industrial estates, municipalities. Founded 1992. Operates reservoirs, cross-basin pipeline network. Industrial-water-demand leverage differentiates from TTW (retail municipal). EEC industrial growth is primary cycle driver.
Snapshot
Headline numbers a buyer checks first.
Ticker
SET: EASTW
Listed
Coverage
EEC, Eastern Seaboard raw water
Ongoing
Customers
Industrial estates, municipalities
Ongoing
Founded
1992
Historical
What this company actually does
EASTW supplies raw water to EEC industrial estates, municipalities via reservoirs, cross-basin pipelines. Direct EEC industrial-demand leverage. Climate, reservoir capacity, pipeline capex are operating levers.[, ]
Competitive set: TTW (retail municipal); WHA, Amata, Rojana operate captive industrial estate water. EASTW differentiates on regional raw-water backbone, EEC-industrial growth leverage.[, ]
Business segments
Industrial water supply
EEC estate raw water delivery
Core business: raw water supply under long-duration concession to WHA, Amata, Hemaraj, and Rojana industrial estates in Chonburi, Rayong, and Chachoengsao. Take-or-pay contract structures provide revenue floor; industrial capacity utilisation drives upside volume.
Municipal supply
PWA wholesale, municipal contracts
Wholesale raw water supply to Provincial Waterworks Authority (PWA) and municipal water systems in eastern Thailand. Municipal contracts provide stable baseline demand, though at lower unit tariffs than industrial direct-supply contracts.
Infrastructure
Reservoir, pipeline network
Operates cross-basin pipeline network linking Prasae, Klong Yai, and Nong Pla Lai reservoirs to demand centres. Pipeline length exceeds 400 km; system redundancy and interconnection provide resilience against single-basin drought events.
Capacity expansion
EEC Phase 3 supply augmentation
EEC Phase 3 investment pipeline targets new industrial estates in Chachoengsao (aerospace) and eastern Chonburi (medical devices). EASTW pipeline extension projects support EEC master-plan water demand through 2030.
Thai listed water utility peer comparison
SET-listed water operators, approximate FY2024 positioning
Ticker
SET:EASTW
Customer type
Industrial estates, PWA
Geography
EEC, Eastern Seaboard
Demand driver
EEC industrial growth
TTW (Thai Tap Water)
Ticker
SET:TTW
Customer type
Retail municipal (PWA)
Geography
Nakhon Pathom, Samut Sakhon
Demand driver
Urban population growth
TIW (Thai Industrial Estate)
Ticker
SET:TIW
Customer type
Mixed industrial, municipal
Geography
Central Thailand
Demand driver
Industrial occupancy
MWA (Metro Water)
Ticker
Unlisted state
Customer type
Bangkok metro retail
Geography
Bangkok, Nonthaburi, Samut Prakan
Demand driver
Metropolitan demand
| Entity | Ticker | Customer type | Geography | Demand driver |
|---|---|---|---|---|
| East Water (EASTW) | SET:EASTW | Industrial estates, PWA | EEC, Eastern Seaboard | EEC industrial growth |
| TTW (Thai Tap Water) | SET:TTW | Retail municipal (PWA) | Nakhon Pathom, Samut Sakhon | Urban population growth |
| TIW (Thai Industrial Estate) | SET:TIW | Mixed industrial, municipal | Central Thailand | Industrial occupancy |
| MWA (Metro Water) | Unlisted state | Bangkok metro retail | Bangkok, Nonthaburi, Samut Prakan | Metropolitan demand |
Key drivers 2025-2026
EEC
Industrial estate occupancy uplift
New EEC tenant announcements from EV, electronics, and food-processing sectors drive incremental raw water demand. EASTW volume growth correlates directly with EEC industrial occupancy rate and production ramp-up cycles at new estates.
Climate
Reservoir storage and drought risk
La Nina to El Nino transition creates reservoir storage volatility. EASTW's cross-basin pipeline network mitigates single-basin drought but extreme dry-season events can trigger rationing protocols affecting industrial-customer volumes.
Tariff
Industrial tariff renegotiation cycle
EASTW's concession and supply tariffs are periodically reviewed by regulators and industrial counterparties. Tariff uplift to reflect cost inflation and capex recovery is a medium-term earnings catalyst.
Watchpoints
EEC industrial demand growth
Direct revenue driver.
Reservoir, pipeline capacity
Infrastructure adequacy.
Climate, drought exposure
Water availability, rationing.
Industrial customer contracts
Long-duration take-or-pay terms.
Related Market profiles
Peers, parents, partners, agencies, and other Water Utilities & Treatment actors.
Competitor
Thai Tap Water Supply (TTW)
Listed retail municipal water peer.
Open Market profile →
Partner
WHA Corporation
EEC industrial estate operator, EASTW customer.
Open Market profile →
Sector peer
BEM Water
Listed BEM group's ancillary water-supply concession; transport-conglomerate with water diversification.
Open Market profile →
Sector peer
MWA Bangkok waterworks
State Bangkok, peri-Bangkok municipal water operator; ~2M connections; largest Thai urban water enterprise.
Open Market profile →
Sources + data provenance
Every filing, filing-adjacent register, or trusted industry source cited in this profile.
Eastern Water Resources (SET: EASTW) FY2024 Form 56-1
Publisher
Eastern Water Resources Development and Management PCL
Grade
Primary
As of
2025-03-31
Eastern Economic Corridor (EEC) Water Demand, Infrastructure
Thai Tap Water Supply (SET: TTW) FY2024 Form 56-1
| Source | Publisher | Grade | As of |
|---|---|---|---|
| Eastern Water Resources (SET: EASTW) FY2024 Form 56-1 | Eastern Water Resources Development and Management PCL | Primary | 2025-03-31 |
| Eastern Economic Corridor (EEC) Water Demand, Infrastructure | EEC Office, EASTW, MWA | Well established | 2026-03-31 |
| Thai Tap Water Supply (SET: TTW) FY2024 Form 56-1 | Thai Tap Water Supply PCL | Primary | 2025-03-31 |
Reports featuring this profile
Thailand Water Utilities Supply & Treatment Market Intelligence
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Sits alongside 6 other Atlas profilesThailand Water Utilities Market Intelligence
Listed EEC, Eastern Seaboard raw water supplier; industrial-demand leverage.
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Sits alongside 4 other Atlas profilesThailand Water Utility, WHA, EASTW, TTW Deep Dive
Eastern Water Resources (EASTW) — EEC raw water supply ~12% share
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Sits alongside 3 other Atlas profiles