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City outlines sewer CCTV findings, proposes ordinance to allow limited private‑side repairs to reduce inflow and infiltration
Summary
Staff and consultant Greg Sanford reported CCTV inspections showing most leaks occur in laterals; the city intends to prioritize lateral repairs, has bid its 2026 sewer rehab project, and will seek board support to pursue an ordinance allowing limited inspections/repairs on private property adjacent to the public right‑of‑way.
City staff and consultant Greg Sanford of OHM presented an update May 4 on the city’s inflow & infiltration (I&I) program and recommended next steps for targeted sewer rehabilitation.
Sanford said crews have inspected about 154 manholes (roughly 80% of the system) and completed camera work on about 6.6 miles of gravity main and roughly 7 miles of laterals. He told the board most defects are in laterals — offset joints, root intrusion, cracks and collapsed sections — and that lining and point repairs will yield the best reduction in excess flow for dollars spent.
Staff said the 2026 sewer rehabilitation project was bid and recommended for award; the team is waiting for TDEC and TDOT approvals for certain bypass work. Spring Hill Water staff (presented by Mr. Lemunyan in the meeting) said the city’s current authority stops at the property line, limiting the ability to correct defects on private property. Staff recommended pursuing an ordinance to allow limited inspections and corrective work on private property (with homeowner safeguards and best practices) so the city can address lateral failures that contribute heavily to I&I.
Greg Sanford said higher‑value repairs will be triaged — point repairs where possible and replacement where defects are extensive — and noted that the program is focusing first on priority basins identified by flow metering. City administrator Napier told the board the FY27 budget will include additional funding (announced as another $3 million installed into the program) to support the work.
The board asked questions about cost allocation, homeowner notification and inspection limits; staff said they will prepare an ordinance and management plan for board consideration in coming months and will outline budget and contractor deployment in the capital improvement program.
