Sustainable Utility Master Planning Projects 15+ M Savings For the Village of Huntley Presented By: Timothy P. Farrell, P.E. Village of Huntley Village Engineer Jeffrey W. Freeman, P.E., CFM, LEED AP Engineering Enterprises, Inc. March 24, 2015
Presentation Overview Background Information Existing Water Works & Wastewater Systems Overview Historical & Projected Water Use & Wastewater Flows Regulatory Review Water Supply, Treatment & Storage Evaluation Sustainable Source Water Assessment Wastewater System Evaluation Financial Review & Summary
Background Information
Background Information Village of Huntley Study Area Boundary Agreements With Seven Neighboring Communities Acreage Summary Total Study Area: 21,900 Ac Facility Planning Area: 13,330 Ac Corporate Limits: 9,040 Ac Large Lot Res. Area: 6,350 Ac
Background Information
Background Information Deferred Capacity Increases Due To Water Use Reduction 10 Required Capacity Before Conservation Downsizing Peak Demand/Capacity (MGD) Delay Existing Capacity 5 Baseline Demand After Conservation 0 2010 2020 2040 2030 Year
Existing Water & Wastewater Systems Supply Treatment Storage
Existing Water & Wastewater Systems Supply: Five (5) Active Deep Sandstone Water Wells [Nos. 7 – 11] Four (4) Ironton Galesville & One (1) St. Peter (Ancell) & Ironton Galesville Flowrate: 800 – 1,000 gpm Exceed Radium & Barium Standards Treatment: Five (5) WTPs All Plants Institute Cation Exchange Treatment One Plant Includes Force Draft Areation
Existing Water & Wastewater Systems Storage: Five (5) Elevated Water Storage Tanks (EWST) [300,000 gallon – 1,000,000 gallon] Two (2) Detention Tanks [57,000 & 61,000 gallons] Distribution: 4” – 16” Water Main One Pressure Zone Emergency Connect With LITH Controls: SCADA System
Existing Water & Wastewater Systems Wastewater Collection/Conveyance: Sanitary Sewer Network Fourteen (14) Lift Stations Wastewater Treatment: East WWTF West WWTF
Existing Water & Wastewater Systems East WWTF Current Flow 1.1 MGD Rated Capacity Design Average Flow: 1.8 MGD Design Maximum Flow: 4.5 MGD Wastewater Treatment Trains Screening Secondary Biological Treatment UV Disinfection
Existing Water & Wastewater Systems West WWTF Current Flow 1.0 MGD Rated Capacity Design Average Flow: 2.6 MGD Design Maximum Flow: 6.5 MGD Wastewater Treatment Trains Screening Secondary Biological Treatment Filtration UV Disinfection Extra Capacity Within Most Unit Processes
Existing Water & Wastewater Systems
Historical & Projected Water Use & Wastewater Flows Historical Water Use Summary (2009 – 2013) Current Trends (CT) = 90 gpcd MDD:ADD = 2.16 MHD:MDD = 2.00 2040 CT Water Use Projection ADD = 5.31 MGD MDD = 11.68 MGD MHD = 23.36 MGD
Historical & Projected Water Use & Wastewater Flows Historical Wastewater Flows (2009 – 2013) Total Flow = 89.3 gpcd Baseflow = 60.9 gpcd I/I = 28.4 gpcd 2040 CT Wastewater Flow Projection DAF = 4.69 MGD DMF = 11.72 MGD
Historical & Projected Water Use & Wastewater Flows
Historical & Projected Water Use & Wastewater Flows Potential Estimated Water Savings From Water Conservation and Efficiency Village of Huntley, McHenry & Kane Cos., IL Water Saved % Of Total Category (MGD) (%) All Customers 0.295 5.6% Outdoor New Landscape 0.029 0.6% Utility Water - System Losses 0.316 6.0% High Efficiency Toilets (HET) 0.038 0.7% Indoor Residential High Efficiency Washing Machines (HEWM) 0.014 0.3% Retrofits 0.025 0.5% Commercial, Industrial, and Institutional Customers 0.041 0.8% Total Estimated Savings = 0.759 14%
Historical & Projected Water Use & Wastewater Flows
Regulatory Review In Compliance? Year Regulation Enacted Yes No Compliance Status Only applies to surface water and Surface Water Treatment Rule 1989 N/A GWUDI systems System is routinely monitored as Total Coliform Rule (TCR) 1989 required System is routinely monitored as Lead and Copper Rule 1991 required Unregulated Contaminant System is routinely monitored as 1998 Monitoring Rule required Interim Enhanced Surface Water Only applies to surface water and 1998 N/A Treatment Rule GWUDI systems Stage 1 Disinfectant / Disinfection System is routinely monitored as 1998 Byproducts Rule required System is routinely monitored as Radionuclides Rule 2000 required System is routinely monitored as Arsenic Rule 2001 required System is routinely monitored as Filter Backwash Recycling Rule 2001 required Only applies to surface water and Long Term 1 Surface Water 2002 N/A GWUDI systems with fewer than Treatment Rule 10,000 customers Long Term 2 Surface Water Only applies to surface water and 2005 N/A Treatment Rule GWUDI systems Stage 2 Disinfectant / Disinfection IDSE Completed; Compliance 2005 Byproducts Rule Monitoring Plan submitted to IEPA System is routinely monitored as Ground Water Rule 2006 required System is routinely monitored as Total Coliform Rule (TCR 2010) 2010 required IEMA registration required for WTP‘s and the WWTF sludge Radium Treatment Residuals 2011 disposal; Monitoring and reporting Rule required for WWTF biosolids disposal Proposed rule would set MCL at 300 pCi/L or 4,000 pCi/L with a Radon Rule Proposed N/A multimedia mitigation program to address radon in indoor air
Regulatory Review Existing Near Future Wastewater Treatment Regulations Typical Parameters Barium Total P East Receiving Streams On 303(d) WWTF List East WWTF: Huntley Ditch - Barium, Chloride, Copper Hexachlorobenzene, Zinc & Total P West West WWTF: South Branch WWTF Kishwaukee River (East Fork) - Chloride, Copper, D.O. & Total P
Supply, Treatment & Storage Evaluation Water Supply & Treatment Needs Assessment Calculations Ultimate Source -3,675 gpm Capacity Reliable Source -7,508 gpm Capacity
Supply, Treatment & Storage Evaluation Water Storage Needs Assessment Calculations Peak Hour Storage -2.02 MG Fire Flow Emergency Supply -4.47 MG
Sustainable Source Water Assessment Shallow Sand & Deep Sandstone Gravel Aquifer Aquifer Lake Michigan
Sustainable Source Water Assessment Bedrock Hydrogeology Source: ISWS HU Wells Ancell (St. Peter) Ironton- Galesville Mt. Simon
Sustainable Source Water Assessment Mapped Wells From ISWS Database Shallow S&G Shallow Bedrock Deep Sandstone Mapped Ashmore Formation Thickness
Sustainable Source Water Assessment Ancell Ancell (St. Peter) (St. Peter) Ironton- Galesville
Sustainable Source Water Assessment Deep Sandstone Regional Modeling 2040 CT Model Run – With Existing 5 Wells Alternative 1 – CT With 8 New I/G Wells
Sustainable Source Water Assessment Deep Sandstone Regional Modeling 2040 CT Model Run – With Existing 5 Wells Alternative 1 – CT With 8 New I/G Wells Alternative 2 – LRI With 4 New I/G Wells
Sustainable Source Water Assessment Deep Sandstone Regional Modeling 2040 CT Model Run – With Existing 5 Wells Alternative 1 – CT With 8 New I/G Wells Alternative 2 – LRI With 4 New I/G Wells Alternative 3 – CT With 4 New I/G Wells (Assumes Remaining Supply Provided By Shallow Resources
Sustainable Source Water Assessment
Sustainable Source Water Assessment Northwest Suburban Municipal Joint Action Water Agency (NSMJAWA) Background Purchase Water Through City of Chicago Firm System Capacity = 95 MGD Current Peak Demand = 63 MGD Seven Charter Northwest Suburbs Own System Capacity Huntley Connection Considerations Possible Upgrades To NSMJAWA Transmission Network Approximately 14 Mi of Large Diameter Transmission Main To Get To I-90 & Rt. 47 Intersection Huntley Transmission Network Upgrades Additional Storage To Meet Minimum 2 Days Storage Connection/Capacity Purchase Fees
Wastewater System Evaluation East WWTF O&M Improvements Replace Valves & Gates Modify Flow Splitter Box for NW Ox Ditch Upgrade Non-Potable Water Skid Upgrade UV System Add 2 nd Gravity Belt Thickener Regulatory/Capacity Upgrades New Chemical Feed Building For Ba & P Removal Tertiary Filtration Ox. Ditch Motor Upgrades, D.O. Monitoring & Internal Recycle Effluent Flume Upgrade Increase Raw Sewage Pump Capacity
Wastewater System Evaluation West WWTF O&M Improvements Ox. Ditch Drainage System Upgrade Upgrades To RSPS No. 2 Add Belt Filter Press Automate Controls For Aerobic Digesters Replace Existing Comminutors/Screens New Admin/Lab/Garage Building Regulatory/Capacity Upgrades Ox. Ditch Motor Upgrades & Internal Recycle Add 2 nd Filter in Sand Filter Building B Increase Raw Sewage Pump Capacity
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