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Council directs staff to draft ordinance limiting architectural copper to protect stormwater
Summary
Staff briefed the council on monitoring data showing elevated dissolved copper in local outfalls and proposed a policy to prohibit architectural copper gutters/downspouts on new work. The council asked staff to pursue a codified ordinance, preserve exemptions for designated historic resources, and return with planning-commission review and draft
Carmel staff presented monitoring results and a draft policy on Nov. 4 recommending prohibition of architectural copper gutters and downspouts to reduce dissolved copper in stormwater entering the Monterey Bay National Marine Sanctuary. Staff cited multi-year monitoring and applied marine sciences reports that identified elevated dissolved-copper concentrations at monitored outfalls and discussed…
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