OSU Annual Water Quality Reports
Oklahoma State University Water System PWS 1020910
Annual Water Quality Reports keep our customers informed about the water quality and services we have delivered over the past years. Our goal as always is to supply Oklahoma State University with a safe and dependable supply of quality drinking water.

OSU Stillwater is supplied potable water by the OSU Water Treatment Plant located west of campus at 226 South Pioneer. The Plant’s raw water source is Lake Carl Blackwell, located approximately 6 miles west of Stillwater. Throughout 2025, the Water Treatment Plant supplied approximately 476,386,000 gallons of drinking water to the campus.
You can read OSU’s annual water quality reports from the links listed below, or go to this OK DEQ website: 2026 Consumer Confidence Report. For questions about this report or other information about the OSU water system, call Steve Payne, OSU Water Treatment Plant Supervisor, at (405) 744-4262.