Issued on: 10 Rajab 1447
Corresponding to: 30 December 2025
Published in Umm Al-Qura 5142 issued on 30 January 2026.
Issued on: 10 Rajab 1447
Corresponding to: 30 December 2025
Published in Umm Al-Qura 5140 issued on 16 January 2026.
Issued on: 10 Rajab 1447
Corresponding to: 30 December 2025
Published in Umm Al-Qura 5140 issued on 16 January 2026.
The Minister of Environment, Water, and Agriculture,
based on the powers entrusted to him by law,
with reference to the submission of the Deputy Minister in letter 25119456 dated 17 Jumada Al-Thani 1447 [8 December 2025],
based on the Water Law issued by Royal Decree D/159 dated 11 Dhu Al-Qa’dah 1441 [2 July 2020], which stipulates in article 23 that, with the exception of drinking, domestic uses, and food industries, it is permitted to use tertiary treated water after ensuring its safety, freedom from pollutants, and conformity, in accordance with the conditions and controls specified by the regulations of the ministry, and article 25, which stipulates that it is permitted to use bilaterally treated water in restricted agricultural irrigation, industry, mining, construction works, and similar activities and works, after ensuring its safety and freedom from pollutants, in accordance with the controls and conditions specified by the regulations of the ministry,
and clause Second of Ministerial Decision 433552/1/1442 dated 8 Sha’ban 1442 [25 February 2021], which stipulates the adoption of standards and specifications for water types, and that the office of the undersecretary of the ministry for water shall update the standards and specifications, in accordance with the Water Law and its executive regulations,
and in pursuance of public interest,
hereby decides
First
The Update to the Standards and Specifications for Treated Wastewater is hereby approved in the form attached to the decision.
Second
The Saudi Water Authority and the Saudi Irrigation Organization, each within its mandates, shall monitor compliance with the application of the updated Standards and Specifications for Treated Wastewater.
Third
The office of the undersecratary of the ministry for water shall update the Standards and Specifications for Treated Wastewater, whenever the need arises, and submit it for approval.
Fourth
This decision must be communicated to those who are required to implement it and act by virtue of it as of the date of its issuance, and it repeals all previous decisions in conflict with it.
May Allah provide success.
Minister of Environment, Water, and Agriculture
Engineer Abdulrahman bin Abdulmohsen Al-Fadley
Issued on: 10 Rajab 1447
Corresponding to: 30 December 2025
Published in Umm Al-Qura 5140 issued on 16 January 2026.