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Notting Hill preliminary-plat modification for sewer system draws commission concern over proposed lift station and long-term city liability
Summary
A Notting Hill preliminary-plat modification to add a sanitary lift station for 28 lots prompted staff and commissioners to demand alternatives, citing the city’s reluctance to accept a perpetual maintenance obligation without Board of Mayor and Aldermen review.
The Planning Commission reviewed a request to modify the previously approved Notting Hill preliminary plat to change the sanitary-sewer approach and permit a lift station to serve 28 single-family lots.
Staff recounted that the originally approved plan relied on an off-site gravity sewer constructed by adjacent developers and that subsequent development by neighboring parcels meant implementing that gravity option would require boring beneath constructed homes and improvements. Staff said the proposed lift station would impose a new, long-term financial and maintenance obligation on the city if the city accepted the infrastructure in perpetuity; staff asked the applicant to provide alternatives that avoid a lift station.
“The applicant is requesting approval for a lift station to collect wastewater from 28 single-family residences,” staff said, noting that lift stations require ongoing inspection, parts replacement and maintenance and therefore present a continuing budgetary obligation for the city.
Applicant Adam Kronk said prior staff had discussed pump options and that the developer originally proposed a low-pressure sewer system but that Tennessee Department of Environment and Conservation (TDEC) guidance precluded placing maintenance obligations on private homeowners. Kronk said the developer can demonstrate constructability of other gravity alternatives but that other gravity options would either require deep sewer lines (50–60 feet) beneath streets or extensive regrading that would eliminate lots. He said the developer would be willing to fund a maintenance arrangement or development agreement but that staff told the applicant at recent meetings the city would not approve a pump system administratively and asked the applicant to seek Planning Commission guidance.
Commissioners stressed that approving a permanent lift station that creates a long-term city maintenance burden is ultimately a Board of Mayor and Aldermen (BOMA) decision. Several commissioners asked the applicant to exhaust all gravity-based alternatives with supporting documentation and constructability evidence before the commission forwards any recommendation to the board. Staff also said it will not advance a preliminary-plat modification to the voting meeting until substantive alternatives and supporting documentation have been provided.
Commissioners and staff agreed the matter requires additional coordination and documentation; staff signaled the item would not advance to the July voting meeting and asked the applicant to prepare alternative gravity solutions and cost/maintenance information if a pump option remains the only viable path.
