Microsoft Malaga Data Center Campus (EAT12, EAT13, EAT14)
Wastewater Discharge Permit - State Waste Discharge Permit
Aug. 14, 2025, 12 a.m. - Sept. 22, 2025, 11:59 p.m. PT
We invite you to comment on State Waste Discharge Permit Application #ST0501377.
Microsoft Corporation has applied for a new State Waste Discharge Permit.
Following evaluation of the application and other available information, a draft permit will be developed which would allow the discharge of Noncontact Cooling Water with Additives to Chelan Douglas Regional Port Authority.
The application and other available information may be viewed at Microsoft Malaga Data Center (EAT12, EAT13, EAT14) or visit the Water Quality Permitting and Reporting Information System (PARIS) website.
We regulate wastewater released from municipalities or industries using the State Waste Discharge Permit. This permit regulates wastewater that goes into the ground (groundwater) or to a publicly owned treatment works (POTWs). Learn more about water quality individual permits.
Comment online
- Use our online comment form
- Submit your comment by email: crowqpermits@ecy.wa.gov
Comment by mail
1250 West Alder Street
Yakima, WA 98903
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