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Wednesday, November 11, 2026Nov 11

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Neighbors worry Signal Mountain sewer proposal could cause contamination

Staff photo by Abby White / Walden's Ridge residents gather to watch the presentation on a proposed decentralized sewage system on Wednesday, Jan. 8, 2025. Representatives from the Tennessee Department of Environment and Conservation and the Hamilton County Water & Wastewater Treatment Authority gave a presentation on the proposed decentralized sewer system for a planned development.
Staff photo by Abby White / Walden's Ridge residents gather to watch the presentation on a proposed decentralized sewage system on Wednesday, Jan. 8, 2025. Representatives from the Tennessee Department of Environment and Conservation and the Hamilton County Water & Wastewater Treatment Authority gave a presentation on the proposed decentralized sewer system for a planned development. Staff photo by Abby White / Walden's Ridge residents gather to watch the presentation on a proposed decentralized sewage system on Wednesday, Jan. 8, 2025. Representatives from the Tennessee Department of Environment and Conservation and the Hamilton County Water & Wastewater Treatment Authority gave a presentation on the proposed decentralized sewer system for a planned development.

A planned development on Signal Mountain has neighbors worried its proposed sewer system would contaminate groundwater and streams in the area.

A 197-home project at the former Spangler Farm site was approved by planning commissioners in December, following pushback from neighbors earlier in the year.

(READ MORE: Proposed Signal housing wins preliminary OK, but faces neighbor opposition)

Neighbors again packed a pair of public meetings this week, looking for more information on the decentralized drip dispersal sewer system proposed for the development — and raising the question of what happens if the system fails.