OKC holds other cities to its restrictions
These communities buy water at wholesale rates from Oklahoma City and must conform to conservation measures that are at least as strict as Oklahoma City's.
• El Reno
• The Village
• Warr Acres
• Canadian County Rural District No. 3
• Deer Creek Rural Water Corp.
• Tinker Air Force Base
• Pottawatomie County Rural Water District No. 3
Edmond purchases potable water from Oklahoma City, as a secondary source that was first purchased in 2001.