Miahona’s Evolution & Track Record
Reflects its commitment to addressing water challenges through innovation, strategic partnerships, and sustainable practices.
Miahona remains a pivotal player, driving positive change and contributing to sustainable development within the Kingdom. Looking ahead, we aim to continue the growth trajectory by exploring new markets and opportunities, enhancing our technological capabilities and service portfolio.



Al Haer ISTP (BOOT)
Client: Saudi Water Partnership Company (SWPC)
Term: 25 years
Financial Close: February 2025
Scope:
- STP Capacity: 200,000 m3/day
- TSE Special Facilities: 400,000 m3/day
- TSE Pipeline: 32 km
Project Status: Active


Ras Tanura IWWTP (BOOT)
Client: Saudi Aramco
Term: 25 years (extendable 5 years)
Financial close: March 2024
Scope:
- IWWTP Capacity: 20,000 m3/day
- Wet Air Oxidation Unit
- Transmission Lines: 21 km
Project Status: Active


O&M and FM services for Wet Utilities at King Salman Energy Park (SPARK)
Client: ECOC/SPARK
Term: 3+2 years
Commencement: June 2023
Network Length:
- PW: 91.5 km
- Irrigation: 46 km
- Sewage: 58 km
Project Status: Active


Long Term O&M, STPs (ROT)
Client: National Water Company (NWC)
Term: 10 years
Commencement Date: May 2023
STP Capacity: 500,000 m3/day
- Hadda-1 STP Capacity: 125,000 m3/day
- Hadda-2 STP Capacity: 125,000 m3/day
- Arana-1 STP Capacity: 250,000 m3/day
Project Status: Active
Management, Operations and Maintenance (MOM) East Cluster
Client: National Water Company (NWC)
Population served: 5,270,000
Term: 7 years
Commencement date: April 2022
Cluster Features:
- Networks: 14,416 km
- Potable Water Plants: 66
- Treatment Plants: 27
- Boreholes: 1092
Project Status: Active


Jazan Economic City STP (O&M)
Client: Power and Utility Company for Jubail and Yanbu (Marafiq)
Term: 3+2 years
STP Capacity: 40,000 m3/day
Commencement Date: Q1 2022
Project Status: Active


Manfouha STP (O&M)
Client: Thabat Construction Company
Term: 3 years
STP Capacity: 200,000 m3/day
Commencement Date: September 2021
Project Status: Successfully colsed
Management, Operations and Maintenance (MOM) Northwest Cluster
Client: National Water Company (NWC)
Term: 7 years
Population Served: 3,100,000
Commencement Date: April 2021
Cluster Features:
- Networks: 15,000 km
- Potable Water Plants: 50
- Treatment Plants: 10
- Boreholes: 622
Project Status: Active


Dammam Industrial City-3 (O&M)
Client: Saudi Authority for Industrial Cities and Technology Zones (MODON)
Customers: 250+ (operations/under implementation)
Term: 2 years (annually renewed)
Commencment Date: March 2019
Potable Water: 6,000 m3/day
Project Status: Active


Hadda and Arana STPs (O&M) Re-awarded
Client: National Water Company (NWC)
Term: 3 + 1.5 years
Commencement Date: December 2018
STP Capacity: 500,000 m3 /day (peak 750,000 m3 /day)
- Hadda-1 STP: 125,000 m3/day
- Hadda-2 STP: 125,000 m3/day
- Arana-1 STP: 250,000 m3/day
TSE Channel: 90,000 m
Project Status: Successful closure into the long-term contract (May 2023)


King Khalid International Airport (KKIA) Potable Water Plant (BOT)
Client: General Authority for Civil Aviation (GACA)
Investment: SAR 300+ Million
Term: 28 years
Production:
- Potable Water: 25,000 m3/day
- Networks: 35 km
- Potable Water Reservoirs: 75,000 m3
- Raw Water Reservoirs: 25,000 m3
Project Status: Active


Hadda and Arana STPs (O&M)
Client: National Water Company (NWC)
Term: 2.5 years
STP Capacity: 500,000 m/day (peak 750,000 m3/day)
- Hadda-1 STP: 125,000 m3/day
- Hadda-2 STP: 125,000 m3/day
- Arana-1 STP: 250,000 m3/day
TSE Channel: 90,000 m
Project Status: Successfully closed


Leakage Detection and Water Management of Riyadh Water Network
Client: National Water Company (NWC)
Term: 4 years
Water Management:
- Distribution Zones: 29
- Leakage Detection to Achieve: <=12%
- Survey Works and Reports
- Initial and Final Loss Calculation
Project Status: Closed


Jeddah Water Management, City Wide
Client: National Water Company (NWC)
Term: 9 years
City Management JV Contract
- City Inhabitants: ~5 Million
- STP Capacity: 500,000+ m3/day
- Water Network: 5,000+ km
- Wastewater Network: 2,500+ km
Project Status: Closed


Dammam-I,II & Al Ahsa-I Industrial Cities Concession (ROT/BOT)
Client: Saudi Authority for Industrial Cities and Technology Zones (MODON)
Investment: ~SAR 500 Million
Customers: 1000+
Term: 30 years
- STP Capacity: 41,500 m3/day
- Industrial Water: 15,000 m3/day
- Potable Water: 47,800 m3/day
- Networks: 336,400+ km
Project Status: Active


Jeddah-I Industrial City Concession (BOOT)
Client: Saudi Authority for Industrial Cities and Technology Zones (MODON)
Investment: ~SAR 250 Million
Customers: 850+
Term: 20 years
- STP Capacity: 30,000 m3/day
- Industrial Water: 9,000 m3/day
- Networks: 143 km
Project Status: Active