Implementing an Integrated Implementing an Integrated Storm Water Management Storm Water Management Program Program John P. Nett, P.E., CFM John P. Nett, P.E., CFM Acting City Engineer Acting City Engineer Public Works Department Public Works Department City of Killeen City of Killeen Steve Veal, P.E. Steve Veal, P.E. Principal/Vice-President Principal/Vice-President Fort Worth Public Works and Environmental Services Unit Fort Worth Public Works and Environmental Services Unit Carter and Burgess, Inc. Carter and Burgess, Inc. Presented at the 2006 Annual Public Works Presented at the 2006 Annual Public Works Short Course Short Course February 6, 2006 February 6, 2006
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Implementing an Integrated Storm Implementing an Integrated Storm Water Management ProgramWater Management Program
John P. Nett, P.E., CFMJohn P. Nett, P.E., CFMActing City EngineerActing City Engineer
Public Works DepartmentPublic Works DepartmentCity of KilleenCity of Killeen
Steve Veal, P.E.Steve Veal, P.E.Principal/Vice-PresidentPrincipal/Vice-President
Fort Worth Public Works and Environmental Services UnitFort Worth Public Works and Environmental Services UnitCarter and Burgess, Inc.Carter and Burgess, Inc.
Presented at the 2006 Annual Public Works Short CoursePresented at the 2006 Annual Public Works Short CourseFebruary 6, 2006February 6, 2006
Integrated Storm Water ManagementIntegrated Storm Water Management
Elements of an Integrated Storm Water Elements of an Integrated Storm Water Management Program for City of KilleenManagement Program for City of Killeen
• Drainage Maintenance Program (Drainage Drainage Maintenance Program (Drainage Maintenance Plan)Maintenance Plan)
• Capital Improvements Program (Drainage Capital Improvements Program (Drainage Master Plan)Master Plan)
• Storm Water Management Program (Storm Storm Water Management Program (Storm Water Management Plan)Water Management Plan)
What’s driving the need for improved What’s driving the need for improved maintenance of drainage infrastructure?maintenance of drainage infrastructure?
Numerous citizen concerns that include: Numerous citizen concerns that include: • High weeds and grassHigh weeds and grass• Trash and debrisTrash and debris• Vermin (rodents)/vectors (mosquitoes)Vermin (rodents)/vectors (mosquitoes)
Integrated Storm Water ManagementIntegrated Storm Water Management
What’s driving the need for improved What’s driving the need for improved maintenance of drainage infrastructure?maintenance of drainage infrastructure?
Water quality control issues that include:Water quality control issues that include:• Residential activitiesResidential activities• Commercial/business activitiesCommercial/business activities• Construction activitiesConstruction activities• Failing septic tanks & SSOsFailing septic tanks & SSOs
Integrated Storm Water ManagementIntegrated Storm Water Management
What’s driving the need for improved What’s driving the need for improved maintenance of drainage infrastructure?maintenance of drainage infrastructure?
Water quantity control issues that include:Water quantity control issues that include:• Increased volumes and velocitiesIncreased volumes and velocities• Backwater flows and floodingBackwater flows and flooding
Integrated Storm Water ManagementIntegrated Storm Water Management
Impact of Urbanization On Run-off QuantityImpact of Urbanization On Run-off Quantity
Integrated Storm Water ManagementIntegrated Storm Water Management
Downstream Impacts of Increased DischargesDownstream Impacts of Increased Discharges
Integrated Storm Water ManagementIntegrated Storm Water Management
What types of drainage infrastructure are What types of drainage infrastructure are need of maintenance?need of maintenance?
Utility EasementsUtility Easements• Many UEs also function as DEsMany UEs also function as DEs
Rights of wayRights of way• AlleysAlleys• Bar ditchesBar ditches
Drainage EasementsDrainage Easements• Concrete featuresConcrete features• Earthen featuresEarthen features
Integrated Storm Water ManagementIntegrated Storm Water Management
What are the industry standards for What are the industry standards for drainage infrastructure maintenance?drainage infrastructure maintenance?
A multidiscipline approach is required to solve A multidiscipline approach is required to solve drainage problemsdrainage problems
There are long-term benefits from stable There are long-term benefits from stable (sustainable) earthen channels and streams(sustainable) earthen channels and streams
• Decreased costs, maintenance, and floodingDecreased costs, maintenance, and flooding• Increased water quality, aesthetics and valueIncreased water quality, aesthetics and value
Integrated Storm Water ManagementIntegrated Storm Water Management
• Inspection and AbatementInspection and Abatement
• Design, Construction and Maintenance Design, Construction and Maintenance StandardsStandards
Integrated Storm Water ManagementIntegrated Storm Water Management
Code RevisionsCode Revisions
• Variable height vegetation that corresponds Variable height vegetation that corresponds with stream classificationwith stream classification
• DE widths that correlate with channel flow and DE widths that correlate with channel flow and velocityvelocity
• Plan of action for drainage infrastructure that is Plan of action for drainage infrastructure that is not in a DE or an undersized DEnot in a DE or an undersized DE
Integrated Storm Water ManagementIntegrated Storm Water Management
Streambank Vegetation ZonesStreambank Vegetation Zones
Integrated Storm Water ManagementIntegrated Storm Water Management
Public EducationPublic Education
• Circulate media that outline program goals to Circulate media that outline program goals to create ownership and “buy in”create ownership and “buy in”
• Develop materials for both public and internal useDevelop materials for both public and internal use
Integrated Storm Water ManagementIntegrated Storm Water Management
Trash/Debris RemovalTrash/Debris Removal
• Dedicate a crew to continuously patrol high-Dedicate a crew to continuously patrol high-visibility drainage infrastructurevisibility drainage infrastructure
• Establish incentives/disincentives to litteringEstablish incentives/disincentives to littering
• Promote an ‘Adopt a Creek’ programPromote an ‘Adopt a Creek’ program
Integrated Storm Water ManagementIntegrated Storm Water Management
Inspection and AbatementInspection and Abatement
• Integrate a licensed herbicide applicator to Integrate a licensed herbicide applicator to programprogram
• Inspect drainage infrastructure and continually Inspect drainage infrastructure and continually document debris, failures, etc.document debris, failures, etc.
• Perform minor repairs (patching; grouting; Perform minor repairs (patching; grouting; steelwork; priming/painting)steelwork; priming/painting)
Integrated Storm Water ManagementIntegrated Storm Water Management
Areas of Inspection & RepairAreas of Inspection & Repair
Integrated Storm Water ManagementIntegrated Storm Water Management
Design, Construction, and Maintenance Design, Construction, and Maintenance StandardsStandards
• Dedicate a crew tasked with channel/stream re-Dedicate a crew tasked with channel/stream re-construction & maintenance; vegetation & re-construction & maintenance; vegetation & re-vegetation; and mowing & trimmingvegetation; and mowing & trimming
• Perform heavy brush clearing, channel shaping, Perform heavy brush clearing, channel shaping, tilling & seeding; mowing; trimming, and a variety of tilling & seeding; mowing; trimming, and a variety of hand activities hand activities
• Establish 5-year prioritized program for Establish 5-year prioritized program for establishing a maintenance baseline within the city’s establishing a maintenance baseline within the city’s major tributariesmajor tributaries
Integrated Storm Water ManagementIntegrated Storm Water Management
Construction & MaintenanceConstruction & Maintenance
Integrated Storm Water ManagementIntegrated Storm Water Management
Channel Re-VegetationChannel Re-Vegetation
Integrated Storm Water ManagementIntegrated Storm Water Management
Integrated Storm Water ManagementIntegrated Storm Water Management
Example of Integrated Storm Water DesignExample of Integrated Storm Water Design
Example of Integrated Storm Water DesignExample of Integrated Storm Water Design
Integrated Storm Water ManagementIntegrated Storm Water Management
Integrated Storm Water ManagementIntegrated Storm Water Management
Capital Improvements ProgramCapital Improvements Program
The City’s CIP was developed as a part of the The City’s CIP was developed as a part of the 2005 Drainage Master Plan, which2005 Drainage Master Plan, which
• Provides a Process for CIP Selection and Provides a Process for CIP Selection and DevelopmentDevelopment
• Describes Influences that Affect System Describes Influences that Affect System Operation and Maintenance and the Cost of Operation and Maintenance and the Cost of ImplementationImplementation
The Drainage Master Plan ReportThe Drainage Master Plan Report
• Identifies and Prioritizes Potential CIP Identifies and Prioritizes Potential CIP ProjectsProjects
• Outlines $8.0 Million Major CIP Bond PackageOutlines $8.0 Million Major CIP Bond Package
• Defines Drainage Utility Rate Structure Defines Drainage Utility Rate Structure Revisions To Fund CIP, Drainage Maintenance, Revisions To Fund CIP, Drainage Maintenance, and Phase II Programsand Phase II Programs
Integrated Storm Water ManagementIntegrated Storm Water Management
Capital Improvements ProgramCapital Improvements Program
Integrated Storm Water ManagementIntegrated Storm Water Management
Capital Improvements ProgramCapital Improvements Program
Integrated Storm Water ManagementIntegrated Storm Water Management
Capital Improvements ProgramCapital Improvements Program
Integrated Storm Water ManagementIntegrated Storm Water Management
TPDES Phase II ProgramTPDES Phase II Program
• Water Quality Related Plan Developed in Water Quality Related Plan Developed in Response to TCEQ TPDES Municipal Separate Response to TCEQ TPDES Municipal Separate Storm Sewer System (MS4) Permit RequirementsStorm Sewer System (MS4) Permit Requirements
• Revised Draft Permit Issued August 16, 2005Revised Draft Permit Issued August 16, 2005
• Permit Expected to Be Finalized ? ? ? ?Permit Expected to Be Finalized ? ? ? ?
Integrated Storm Water ManagementIntegrated Storm Water Management
What has Killeen done regarding Phase II?What has Killeen done regarding Phase II?
• Completed (…and Ready to Implement) a Storm Completed (…and Ready to Implement) a Storm Water Management Plan (SWMP)Water Management Plan (SWMP)
• Managing City-Owned Industrial and Managing City-Owned Industrial and Construction Activities under required PermitsConstruction Activities under required Permits
• Evaluating Other Provisions that may arise as a Evaluating Other Provisions that may arise as a result of Nolan Creek water quality studiesresult of Nolan Creek water quality studies
Killeen Urbanized AreaKilleen Urbanized Area
Integrated Storm Water ManagementIntegrated Storm Water Management
• Copperas CoveCopperas Cove• Fort HoodFort Hood• Harker HeightsHarker Heights• KilleenKilleen• NolanvilleNolanville• Bell CountyBell County• Coryell CountyCoryell County
Integrated Storm Water ManagementIntegrated Storm Water Management
Required SWMP BMPs:Required SWMP BMPs:
- Maintain MS4 Infrastructure Map with Major Outfalls - Maintain MS4 Infrastructure Map with Major Outfalls
- Identify and Eliminate Illicit Connections and Discharges- Identify and Eliminate Illicit Connections and Discharges
- Develop Storm Water Control Ordinances- Develop Storm Water Control Ordinances
Integrated Storm Water ManagementIntegrated Storm Water Management
Required SWMP BMPs:Required SWMP BMPs:- Revise Policies and Procedures to Reduce Contaminant- Revise Policies and Procedures to Reduce Contaminant
Contact with Storm Water Runoff Contact with Storm Water Runoff
- Revise Chemical Storage, Disposal and Handling- Revise Chemical Storage, Disposal and Handling Procedures to Minimize Spill RiskProcedures to Minimize Spill Risk
- Brochures on Water Quality Control Issues- Brochures on Water Quality Control Issues
- Stream Monitoring- Stream Monitoring
Integrated Storm Water ManagementIntegrated Storm Water Management
FY 2004-2005 and FY 2005-2006 Non-Point Source FY 2004-2005 and FY 2005-2006 Non-Point Source Pollution Program Grant ActivitiesPollution Program Grant Activities
• Monitoring of 14 Sites In South Nolan Creek and Monitoring of 14 Sites In South Nolan Creek and Lampasas River WatershedsLampasas River Watersheds
• Assessment Focus on Bacteria and NutrientsAssessment Focus on Bacteria and Nutrients
• Will Allow Killeen to Characterize Contribution Will Allow Killeen to Characterize Contribution to Water Quality Impairment Before Total to Water Quality Impairment Before Total Maximum Daily Load EstablishmentMaximum Daily Load Establishment
Integrated Storm Water ManagementIntegrated Storm Water Management
• Introduce valley storage (to alleviate Introduce valley storage (to alleviate downstream flooding)downstream flooding)
• Provide stream channel protection (extended Provide stream channel protection (extended detention for the 1-Year, 24-Hour Storm Event)detention for the 1-Year, 24-Hour Storm Event)
Integrated Storm Water ManagementIntegrated Storm Water Management
Integrated Storm Water ManagementIntegrated Storm Water Management
Updated FIS DataUpdated FIS Data
• Bell County DFIRM Currently in ProcessBell County DFIRM Currently in Process
• Supporting Study Updated 2002 FEMA Flood Supporting Study Updated 2002 FEMA Flood Insurance Re-Study for Recent Development and Insurance Re-Study for Recent Development and Ultimate Development – Ultimate Development Ultimate Development – Ultimate Development Will Cause Significant Increases In Peak Will Cause Significant Increases In Peak Discharges and Flooding ElevationsDischarges and Flooding Elevations
Integrated Storm Water ManagementIntegrated Storm Water Management