The Black River WWTP is requesting approval to purchase an SC4500 Controller from Hach. The SC4500 provides continuous real-time monitoring of pH and LDO levels. Compliance with our NPDES permit requires 24/7 monitoring of both parameters. The total cost of the equipment is $13,368.36, which includes shipping, accessories, and associated services. Hach is the sole source vendor for this equipment. Funding for this purchase will be allocated from the facility improvement portion of the budget 6130.P613.6310.6700.1500.