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Commission defers amendment requiring more detailed proof of water and wastewater capacity for developments
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Summary
Staff proposed an amendment to require more detailed proof that water and wastewater providers have capacity and TDEC standing before approvals; commissioners and utilities asked for wording changes and the item was deferred for further work, with staff proposing a return in December.
Williamson County planning staff proposed an amendment to Article 3 of the zoning ordinance to require applicants to provide clearer proof of potable water and wastewater availability and the operating status of those systems. Staff said the measure grew from concerns about private wastewater providers in the county that have experienced operational or regulatory problems.
Staff explained the amendment would ask utilities to clarify whether they have capacity and whether their treatment facilities are in good standing with the Tennessee Department of Environment and Conservation (TDEC), or whether improvements are needed to accept new hookups. The presentation noted the county's current reliance on letters of availability and that letters alone may not disclose pending violations or capacity‑restraining issues.
Commissioner Drew Torres, who said he represents the Eighth District, said he and a co‑commissioner requested the change after issues surfaced in the Grassland area and a TDEC consent order. Dory Bowles of the Harpeth Conservancy urged stronger connectivity between planning review and TDEC permitting, noting statewide problems with decentralized systems (she cited a statewide study referenced in the public discussion).
Staff told commissioners the draft language currently would allow either a TDEC letter or an affidavit/certification from the utility to document standing and capacity, in recognition that TDEC responses can be slow and utilities may not have engineering details at the concept stage. Utilities raised concerns that the draft could require engineering details prematurely at concept plan stage; staff said they will work with utilities and bring a revised proposal back for further review. The commission voted to defer the item and staff asked to return with revised language in December so it can be re‑advertised and then considered by the County Commission in January if appropriate.
The motion to defer passed by voice vote.
