SLIDE 1 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
SLIDE 2
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
SLIDE 3
Background Information
SLIDE 4
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
SLIDE 5
Background Information
SLIDE 6 Background Information
Deferred Capacity Increases Due To Water Use Reduction
5 10 Peak Demand/Capacity (MGD) Year 2010 2030 2020 2040
Baseline Demand After Conservation Existing Capacity Required Capacity Before Conservation Delay Downsizing
SLIDE 7 Existing Water & Wastewater Systems
Supply Treatment Storage
SLIDE 8
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
SLIDE 9
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
SLIDE 10
Existing Water & Wastewater Systems Wastewater Collection/Conveyance:
Sanitary Sewer Network Fourteen (14) Lift Stations
Wastewater Treatment:
East WWTF West WWTF
SLIDE 11
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
SLIDE 12
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
SLIDE 13
Existing Water & Wastewater Systems
SLIDE 14
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
SLIDE 15
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
SLIDE 16
Historical & Projected Water Use & Wastewater Flows
SLIDE 17 Water Saved % Of Total (MGD) (%) All Customers 0.295 5.6% New Landscape 0.029 0.6% 0.316 6.0% High Efficiency Toilets (HET) 0.038 0.7% High Efficiency Washing Machines (HEWM) 0.014 0.3% Retrofits 0.025 0.5% 0.041 0.8% 0.759 14% Utility Water - System Losses Indoor Residential Commercial, Industrial, and Institutional Customers Total Estimated Savings =
Potential Estimated Water Savings From Water Conservation and Efficiency
Village of Huntley, McHenry & Kane Cos., IL
Category Outdoor
Historical & Projected Water Use & Wastewater Flows
SLIDE 18
Historical & Projected Water Use & Wastewater Flows
SLIDE 19 Regulatory Review
Regulation Year Enacted In Compliance? Compliance Status Yes No Surface Water Treatment Rule 1989 N/A Only applies to surface water and GWUDI systems Total Coliform Rule (TCR) 1989 System is routinely monitored as required Lead and Copper Rule 1991 System is routinely monitored as required Unregulated Contaminant Monitoring Rule 1998 System is routinely monitored as required Interim Enhanced Surface Water Treatment Rule 1998 N/A Only applies to surface water and GWUDI systems Stage 1 Disinfectant / Disinfection Byproducts Rule 1998 System is routinely monitored as required Radionuclides Rule 2000 System is routinely monitored as required Arsenic Rule 2001 System is routinely monitored as required Filter Backwash Recycling Rule 2001 System is routinely monitored as required Long Term 1 Surface Water Treatment Rule 2002 N/A Only applies to surface water and GWUDI systems with fewer than 10,000 customers Long Term 2 Surface Water Treatment Rule 2005 N/A Only applies to surface water and GWUDI systems Stage 2 Disinfectant / Disinfection Byproducts Rule 2005 IDSE Completed; Compliance Monitoring Plan submitted to IEPA Ground Water Rule 2006 System is routinely monitored as required Total Coliform Rule (TCR 2010) 2010 System is routinely monitored as required Radium Treatment Residuals Rule 2011 IEMA registration required for WTP‘s and the WWTF sludge disposal; Monitoring and reporting required for WWTF biosolids disposal Radon Rule Proposed N/A Proposed rule would set MCL at 300 pCi/L or 4,000 pCi/L with a multimedia mitigation program to address radon in indoor air
SLIDE 20
Regulatory Review
Existing Near Future Wastewater Treatment Regulations
Typical Parameters Barium Total P
Receiving Streams On 303(d) List
East WWTF: Huntley Ditch - Barium, Chloride, Copper Hexachlorobenzene, Zinc & Total P West WWTF: South Branch Kishwaukee River (East Fork) - Chloride, Copper, D.O. & Total P
East WWTF West WWTF
SLIDE 21 Supply, Treatment & Storage Evaluation
Water Supply & Treatment Needs Assessment Calculations
Ultimate Source Capacity Reliable Source Capacity
SLIDE 22 Supply, Treatment & Storage Evaluation
Water Storage Needs Assessment Calculations
Peak Hour Storage Fire Flow Emergency Supply
SLIDE 23
Sustainable Source Water Assessment
Shallow Sand & Gravel Aquifer
Deep Sandstone Aquifer
Lake Michigan
SLIDE 24 Sustainable Source Water Assessment
Bedrock Hydrogeology
Source: ISWS
HU Wells
Ironton- Galesville Ancell (St. Peter)
SLIDE 25
Sustainable Source Water Assessment
Mapped Wells From ISWS Database
Shallow S&G Shallow Bedrock Deep Sandstone
Mapped Ashmore Formation Thickness
SLIDE 26 Sustainable Source Water Assessment
Ancell (St. Peter) Ironton- Galesville Ancell (St. Peter)
SLIDE 27
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
SLIDE 28
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
SLIDE 29
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
SLIDE 30
Sustainable Source Water Assessment
SLIDE 31 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
Sustainable Source Water Assessment
SLIDE 32
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 2nd 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
SLIDE 33
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 2nd Filter in Sand Filter Building B Increase Raw Sewage Pump Capacity
SLIDE 34 Financial Review & Summary
Supply Treatment Storage
Existing Proposed
Water Works System Master Plan ‐ CT
SLIDE 35 Financial Review & Summary
Water & Wastewater System Phasing & Implementation Plans For Three (3) Time Periods:
Immediate (0 – 5 Years) Near Future (6 – 15 Years) Long Term (16 – 26 Years)
Immediate 0 - 5,000 Population Equivalents Addition Water Works System 0 - 5 Years Component Description Cost Well No. 12 & Well No. 12 WTP $ 6,892,000 Well No. 13 & Well No. 13 WTP $ 6,942,000 Supply & Treatment Subtotal: $ 13,834,000 Storage EWST No. 6 (1.5 MG) $ 4,640,000 Storage Subtotal: $ 4,640,000
TOTAL: $ 18,474,000
Supply & Treatment Immediate 0 - 5,000 Population Equivalents Addition Water Works System 0 - 5 Years Component Description Cost Supply & Treatment Subtotal: $ - Storage Storage Subtotal: $ -
TOTAL: $ -
Supply & Treatment
WWS Phasing & Implementation Plan - CT WWS Phasing & Implementation Plan - LRI
SLIDE 36 Financial Review & Summary
Capital Cost Savings With LRI Water Use Commitment
Village of Huntley, McHenry & Kane Cos., IL Present Worth Capital Cost Water Works System Component Current Trends (CT) Less Resource Intensive (LRI) Savings Supply & Treatment $ 52,753,000 $ 27,457,000 ($25,296,000) Storage $ 14,301,000 $ 8,096,000 ($6,205,000)
TOTAL: $67,054,000 $35,553,000 ($31,501,000)
SLIDE 37
Q&A
Jeffrey W. Freeman, P.E., CFM, LEED AP Vice President jfreeman@eeiweb.com 630-466-6700 Timothy P. Farrell, P.E. Village Engineer tfarrell@huntley.il.us 847-515-5285
