3. PRESENTATION: TIME LIMIT OF 15 MINUTES
Presentation on the City of North Port’s Stormwater Drainage System.
A.
Mayor White announced the item.
Mr. Fletcher introduced the item.
Ms. Wisner provided a presentation including hydrology, water movement in North Port,
permitted stormwater system, rainfall data, estimated rainfall, commercial development,
drainage system components, stormwater drainage system objectives, water control
structures, routine stormwater drainage system maintenance, and projects.
Commission questions and discussion took place regarding presentation time limit.
There was consensus to allow enough time for staff to finish the presentation.
Ms. Wisner continued the presentation including rehabilitation, Drainage System
Improvement (DSI) map, costs, capacity options, adverse weather preparation, temporary
ponding, water outflow, precipitation rates, and citizen stormwater management.
Commission questions and discussion continued regarding Stormwater Management
Master Plan, system performance, water retention usage, park utilization for stormwater
management, stormwater utility usage, funding sources, utility tax, stormwater
management plan adoption and availability, Cocoplum Waterway dredge update, closed
system
potential,
commercial
development
site
retention,
impervious
surface
development, weather changes versus development, swale maintenance, outfall versus
gutter, sidewalk flooding, canal maintenance, water lettuce impact, WCS limits, wildlife
impact, staffing requirements, flooding history, temporary ponding timeline, and swale
depth impact on maintenance.
In person public comment:
Pam Tokarz: Spoke to maintenance updates and information outreach.
Robin San Vicente: Spoke to information outreach and swale maintenance.
Recess was taken from 11:38 a.m. to 11:49 a.m.
4. GENERAL BUSINESS:
A.
Discussion and Possible Action Regarding a Vulnerability Assessment
and Adaptation Plan.
Mayor White announced the item.
Mr. Fletcher introduced the item.
Kelly Westover, Stantec, and Jason Evans, Stetson University, provided a presentation
including overview, objectives, timeline, compliant vulnerability assessment requirements,
process, asset classes, evaluating flood risk, sea level rise and high tide flooding, present
day rainfall, present day 100-year storm surge, sensitivity analysis, recommendations,
adaptation strategies, and next steps.
Commission questions and discussion took place regarding infrastructure costs versus
next steps, Myakka River role and impact on waterways, 100-year storm surge modeling,
alternative strategies, benefits, utility study versus vulnerability assessment, Price
Boulevard
versus
vulnerability
assessment
impacts,
Commission
stormwater
management efforts, big slew reduction study versus vulnerability assessment, funding,