Intervener-engineer Steven Trinkas and the applicant's peer reviewer flagged differences over the proposed online hydrodynamic separators and "jellyfish" filters; Trinkas' analysis concluded the proposed configuration may not meet CT DEEP pollutant-reduction targets for TSS, phosphorus and nitrogen, while applicant counsel and peer reviewers say additional design clarifications are pending.

Fuss & O'Neil presented an 8-intersection traffic study based on conservative Amazon trip rates; DOT (OSTA) has reviewed volumes and the consultant recommended traffic-signal upgrades and turn lanes to mitigate operational impacts, with final encroachment/permitting to proceed through DOT's multi-step review.

Applicant told the commission the project is a site-plan review for roughly 340 acres with about 76 acres proposed as a conservation easement; building footprint and parking, utilities and wastewater treatment plans were described and applicants cited POCD support for business park uses.

Ryan Companies presented a substantially revised application for a 1,288,220‑sq‑ft warehouse on about 556 acres, citing a 58,000‑sq‑ft footprint reduction and more than 3.5:1 wetland mitigation; the commission continued the public hearing to Oct. 5 and deferred intervener‑status rulings.

Hundreds of residents spoke at a Planning & Zoning meeting opposing a proposed two‑warehouse distribution project at 90 Putnam Pike, raising traffic, noise, wetlands and groundwater concerns; the commission continued the application to October for more review.

Ryan Companies and an Amazon economic‑development representative presented an updated plan for a 1,288,220‑square‑foot warehouse in Killingly, citing a projected $150 million capital investment, roughly 500 full‑time jobs and $2.6 million in annual property tax revenue; commissioners requested additional studies and DOT coordination.

Multiple residents urged the Inland Wetlands and Watercourses Commission to press state reviewers to prioritize Old Killingly Pond (Dam #6912), citing fish kills, drying wells, and ecosystem harm from the drawdown and requesting that environmental impacts be central to any town position.