Issues Facing Water/Wastewater Utilities in Florida GRU Perspective - - PowerPoint PPT Presentation

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Issues Facing Water/Wastewater Utilities in Florida GRU Perspective - - PowerPoint PPT Presentation

Jul 14, 2023 380 likes •603 views

Issues Facing Water/Wastewater Utilities in Florida GRU Perspective Rae Hafer, PE Utility Engineer Gainesville Regional Utilities Topics GRU Overview Water Supply Challenges Water Reuse & Water Quality Aging

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Issues Facing Water/Wastewater Utilities in Florida – GRU Perspective

Rae Hafer, PE Utility Engineer Gainesville Regional Utilities

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Topics

  • GRU Overview
  • Water Supply Challenges
  • Water Reuse & Water Quality
  • Aging Infrastructure
  • Irma Response
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GRU Overview

  • GRU Services

– Water

  • Electric Power - Internet

– Wastewater - Natural Gas

  • Owned by City of Gainesville
  • Profits (General Fund Transfer) to City

– Approximately 40% of City operating revenue

  • Governed by City Commission
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Water Supply: GRU Wellfield

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Miles of Water Pipe = 1,141 mi. Customers = 70,824 Sales = 6,785,701,000 Gal GRU Provides Fire Protection

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Miles of Gravity Pipe = 632 mi. Mile of Force Main Pipe = 140 mi # of Lift Stations = 168 Customers = 63,191 Sales = 4,491,110,000 Gal

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Wastewater Collection & Treatment

Kanapaha Water Reclamation Facility

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Miles of RCW Pipe = 28 mi. Customers = 930 Sales = 186,643,000 Gal

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50,000 100,000 150,000 200,000 250,000 300,000 5 10 15 20 25 30 1985 1990 1995 2000 2005 2010 2015 2020 Population Flow (mgd) Year

GRU Water System Service Population and MWTP Flows

Flow (mgd)

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GRU Water Reuse Program

  • 1. Irrigation & Cooling
  • Reduce demand for groundwater
  • Residential & golf course irrigation
  • Industrial cooling
  • 2. Aquifer Recharge
  • 3. Environmental Restoration
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Aquifer Recharge

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Sweetwater Wetlands – Gainesville, FL Reclaimed Water/ Stormwater Recharge Wetland Kanapaha Middle School – Gainesville, FL

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Sweetwater Wetlands – Gainesville, FL

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Gainesville Regional Utility MSWRF / Duck Pond Basin

MH -3952-74

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Hurricane Irma Response

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Ongoing Efforts

  • Significant investment in R&R and

update of our systems

  • Continuing to ramp up R&R of WW

Collection & Water Distribution

– Will need to ramp this up further – Inflow & Infiltration is “eating up” plant capacity – More comprehensive assessment coming

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Questions?

Rae Hafer, PE Utility Engineer haferra@gru.com

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