R.W. Sidley is a qualified COSTARS supplier for Water & Wastewater Treatment Consumables. COSTARS is the Commonwealth of Pennsylvania’s cooperative purchasing program that leverages the buying power of state government with its 8,600 members, giving members access to better pricing and a more efficient procurement process.  

 

R.W. Sidley provides demonstrated value and quality to program members who purchase water filter media for their water treatment plants. Our COSTARS-approved filter media products include high-quality silica quartz sand that is washed, dried, and screened in our state-of-the-art processing plant in Thompson, Ohio.  

 

All filter media mined and manufactured by R.W. Sidley meet ANSI/AWWA B-100-16 standards for granular filter media and NSF/ANSI 61 requirements for potable drinking water. 

 

Our COSTARS vendor number is 161325.