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Warrenton continues hearing on state request to allow expanded flow‑lane dredge disposal; commissioners seek historic data
Summary
After lengthy questioning of Department of State Lands staff and DLCD, the commission voted to continue its Goal 16 exemption hearing and requested targeted data (historic bathymetry, Corps models, economic impact, sediment studies) to assess local erosion and shoaling concerns.
Warrenton commissioners halted deliberations on a Department of State Lands (DSL) request for a Goal 16 exception that would align local rules with Army Corps dredge‑disposal practices and instead voted to continue the hearing pending additional data. Commissioners cited local reports of increased shoaling and shoreline erosion around Hammond Marina and asked DSL and its partners for historic bathymetric charts, Corps model inputs, sedimentation studies and an economic impact estimate before deciding on the exception.
Bill Ryan, deputy director for operations at DSL, explained the department’s role as applicant and said Corps placement aims to avoid navigation impacts: "The dredged materials, disposal should not affect navigation," he told the commission. Commissioners pressed for more concrete evidence; Mayor BaumSeifert and others highlighted that Corps practice since about 2010–2012 appears to have changed and underscored the Hammond Basin impacts many residents have reported.
Staff read nine proposed conditions that would limit the exception to in‑water placement, require best management practices and NMFS‑timed work windows, and mandate annual monitoring and reporting tied to the Clean Water Act 401 certification. Still, commissioners said the packet did not provide the localized data needed to weigh whether the exception would shift sediment onto city shorelines or increase maintenance costs for the city’s marinas. Commissioner Poe and others requested 20–30 years of depth records tailored to Warrenton’s urban growth boundary, satellite or map sequences showing sandbar shifts, and an economic estimate of dredging and repair costs borne by local mariners.
The commission’s motion to continue the hearing passed unanimously; staff will send the commission’s written list of questions to DSL and partner agencies so the applicant can provide focused materials for the next hearing. The continuation preserves the city’s ability to add or tighten conditions but defers any formal local approval until evidence addressing local impacts is filed.
