Minutes 10-14-2025-Joint Meeting w/Fire Department

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35 Bryant Green continued the presentation: Slide #22 Water & Sewer Capacity Status Water treatment capacity remains,sewer treatment plant capacity is constricted by permit limits • Projection through 2040 • Prq] based upon water r,p,ity,preadsheet provided by planning department- ,. committed and potential • River sewer basin is capacity constrained due to wet weather : • Monitor Elizabeth Brady sewer basin •' ��, \ • Other smaller sewer pumping stations projected capacity concerns • Additional developments that are already approved will use more '3 treatment plant capacity t Currently working on water system capacity modeling _ • Given the constraints with pressure and water quality,the Town is — reserving the remaining sewer capacity for projects that can be served with better quality water at higher pressures. _ Bryant Green said a lot of this information was presented to the Board in February or March. He confirmed that the Town of Hillsborough has a significant amount of water treatment capacity remaining and a significant supply of raw water remaining in its system. He said the sewer treatment plant capacity is constrained by a lot of permitting limits, and the town was also driven by some regulatory thresholds they are required to meet in addition to being part of the Falls Lake rules. He shared that the town is fine-tuning its final water system model and will present that to the Town of Hillsborough Board of Commissioners with some CIP recommendations later this year. Connecting this topic back to the joint portion of the evening, Bryant Green said that a lot of fire districts in the county rely on the town's water system to provide adequate fire flow protection, and they are always mindful of that when doing hydraulic modeling in the water system. He said his goal is to make sure the town is a good steward of both water quality and fire flow availability so that they can remain a good partner in the community. He explained that one of the driving factors behind the town's technical desire to reduce the urban service boundary is the desire to provide the best quality and quantity of water to as many people as possible, and the town plans to achieve that by serving a smaller area that has a higher level of density. Commissioner Portie-Ascott asked if the regulatory constraints are federal requirements. Bryant Green said the regulatory constraints in question are part of the town's NPDES (National Pollutant Discharge Elimination System) permit that is issued by the state. The state dictates how many pounds of nitrogen and phosphorus the town can discharge into the Eno River each year, and there is a cap to that number. Given the current Falls Lake rules and pending Falls Lake rules, he explained it is unlikely the town would get additional discharge into that reservoir and has been a good steward of the poundage allocated so far. Commissioner Carter said she is the representative on the Neuse River Basic Association board, and there is a lot of discussion happening on the Falls Lake rules. She said it seems they are in flux and is not clear if they will become more or less strict right now.