Event
February 11, 2026
5:00 pm to TBD CST
Location
Williamson County Administrative Complex Auditorium 1320 West Main Street Franklin, TN, 37064
Contact
Permit Name: Limestone Water Utility Operating Company, LLC
Subsidiary of Central States Water Resources (CSWR)
Permittee Address: 1630 Des Peres Rd., Suite 140, Des Peres, MO 63131
Project Name: Grasslands STP
Permit Address: 1006 Treatment Plant Rd., Franklin, TN 37069
Permit Number: TN0027278
Permit Writer: Wade Murphy
Permit Rating: Minor
County: Williamson
Description of Activity: Treatment of domestic sewage from residential subdivision(s);Application for permit modification proposes expanding treatmentcapacity from 0.25 MGD to 0.45 MGD via new influent lift station,screenings, grit removal, pre and post equalization, biologicalnutrient removal utilizing aerobic granular sludge (AGS), filtration,and UV disinfection. The applicant proposes de minimisdegradation from the expanded treatment plant.
Receiving Stream: Harpeth River, at river mile 68.8