By 1969, Ardmore relied on 2 sources for its water supply, City Lake and Mountain Lake. After 1969 Lake Jean Neudstat and Lake Scott King were constructed to supplement Ardmore's water supply.

In 1975 the water treatment plant was at capacity treating 6 MGD. To provide additional capacity and storage, in 1979 a new water treatment plant was constructed and Arbuckle Lake was put online.