These 2 lakes have a combined safe yield of 37 million gallons per day (MGD). Lake water is delivered to the either of the city’s treatment plants using a combination of gravity flow and electric and hydro-powered pumping for efficiency purposes. The staff also utilizes time of day pumping to keep electric costs as low as possible.
The Williams Water Treatment Plant (WTP) was constructed in 1917 and has a current capacity of 22 MGD. The Brown WTP was completed in 1979 and has a current capacity of 30 MGD. The annual daily average water production of the facilities combined was approximately 28.2 MGD for 2010, with a peak daily production of 38.84 MGD on July 29, 2011.
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