Water Works System Master Planning For a Sustainable Community Presented By: Robert G. Mitchard Village of Algonquin Director of Public Works Jeffrey W. Freeman, P.E., CFM, LEED AP Engineering Enterprises, Inc. March 20, 2012
Presentation Overview Background Information Existing Water Works System Overview Historical & Projected Water Use Regulatory Review Sustainable Source Water Assessment Supply, Treatment & Storage Evaluation Distribution System Evaluation Financial Review & Summary
Background Information
Background Information Village of Algonquin Sustainability Focus Water Conservation Initiative Native Vegetation & Rain Garden Program The Conservation Community Program Comprehensive Water Master Plan Utilize Research & Recommendations Included in Water 2050 Evaluate All Viable Supply Sources
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 Works System Supply Treatment Storage
Existing Water Works System Table No. 2-1: Existing Water Supply Summary Village of Algonquin,IL Aquifer Approximate Capacity Source / Year Well Depth Casing Screen Well No. Constr. (feet) Depth Diameter Depth Type SG SL GP SP IG MS (gpm) (MGD) Motor HP Comments Well No. 116 to Continuous 5 1978 131 116 14 600 0.86 40 To WTP No. 1 131 Slot No. 100 137 to Continuous To WTP No. 1; Limited use due to historical 6 1984 152 137 16 900 1.30 40 152 Slot No. 80 localized aquifer dewatering 101 to Continuous To WTP No. 1; Well No. 7 and Well No. 11 7 1985 121 101 20 1,250 1.80 150 121 Slot No. 120 cannot operate together 177 to Continuous 8 1993 207 177 20 900 1.30 50 To WTP No. 2 207 Slot No. 60 215 to Continuous 9 1994 235 215 20 900 1.30 75 To WTP No. 2 235 Slot No. 90 To WTP No. 2; Primarily used in summer to 10 1997 1,315 1,022 18 N/A N/A 1,000 1.44 350 supplement Wells 8 and 9 96 to Continuous To WTP No. 1; Well No. 7 and Well No. 11 11 2000 116 96 20 1,250 1.80 150 116 Slot No. 120 cannot operate together 183 to Continuous 13 2004 198 183 20 1,050 1.51 50 To WTP No. 3 198 Slot No. 120 95 to Continuous 15 2005 120 95 20 1,050 1.51 50 To WTP No. 3 120 Slot No. 80 SUBTOTAL SHALLOW SAND & GRAVEL & SHALLOW BEDROCK SOURCES: 7,900 11.38 SUBTOTAL DEEP BEDROCK SOURCES: 1,000 1.44 TOTAL ALL SOURCES: 8,900 12.82 TOTAL FIRM CAPACITY: 6,750 9.72 Assumes Well 6 & largest (Well 7 or 11) out of service
Existing Water Works System
Existing Water Works System WTP No. 1 Wells No. 5, 6, 7 & 11 Aeration & Pressure Iron Removal Filters Pump To PZ (Pressure Zone) 1 & 2 WTP No. 2 Wells No. 8, 9 & 10 Aeration & Pressure Iron Removal Filters (Wells No. 8 & 9) Cation Exchange Units (Well No. 10) Pump To PZ 5 WTP No. 3 Wells No. 13 & 15 Aeration & Microfiltration Membranes Pump To PZ 5
Existing Water Works System
Existing Water Works System Stand Pipes (0.63 Elevated Storage Pump Stations & MG) All in PZ 1 Tanks (2.3 MG) PRVs - Copper Oaks = - 5 Booster Pump - Countryside = 0.40 0.40 MG PZ 2 Stations (BPS) MG (0.20 Useable) - Hanson = 0.40 MG - 2 Booster Pump / - Cary = 0.23 MG PZ 4 Pressure Reducing - Huntington = 0.40 Valve (BP/PRV) - Jacobs = 0.75 MG MG (0.20 MG Stations PZ 5 Useable) - 9 PRVs - Lakewood = 0.75 MG PZ 5
Existing Water Works System
Historical & Projected Water Use Historical Water Use Summary Current Trends (CT) Water Use = 95 gpcd MDD:ADD = 1.75 MHD:MDD = 2.00 2040 CT Water Use Projection ADD = 4.70 MGD MDD = 8.22 MGD MHD = 16.43 MGD
Historical & Projected Water Use Potential Estimated Water Savings From Water Conservation and Efficiency Village of Algonquin, IL Water Saved % Of Total Category (MGD) (%) All Customers 0.070 1.5% Outdoor New Landscape 0.007 0.1% 0.235 5.0% Utility Water - System Losses High Efficiency Toilets (HET) 0.163 3.5% High Efficiency Washing Machines (HEWM) 0.062 1.3% Indoor Residential Retrofits 0.106 2.3% 0.067 1.4% Commercial, Industrial, and Institutional Customers Total Estimated Savings = 0.709 15%
Historical & Projected Water Use
Regulatory Review Table No. 4-1: Drinking Water Regulation Compliance Summary Village of Algonquin, IL 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 Monitoring System is routinely monitored as 1998 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 WTP No. 3 primary backwash is routed Filter Backwash Recycling Rule 2001 to secondary membranes 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 IDSE has been completed; Compliance Stage 2 Disinfectant / Disinfection 2005 In Progress monitoring plan is due to IEPA by Byproducts Rule October 1, 2013 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 No. 2 and the WWTF sludge disposal; Radium Treatment Residuals Rule 2011 Monitoring and reporting 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
Sustainable Source Water Assessment Shallow Sand & Deep Sandstone Gravel Aquifer Aquifer Lake Michigan Fox River
Sustainable Source Water Assessment
Sustainable Source Water Assessment Source: Regional Groundwater Modeling Results for Water Supply Planning in Northeast Illinois -- Presented by Allen Wehrmann, Illinois State Water Survey, on December 16, 2008 at a meeting of the NE Illinois Regional Water Supply Planning Group in Chicago, Illinois. (http://www.isws.illinois.edu/iswsdocs/wsp/ppt/NEIL_RWSPG_Dec2008.pdf)
Sustainable Source Water Assessment 2040 Source: Regional Groundwater Modeling Results for Water Supply Planning in Northeast Illinois -- Presented by Allen Wehrmann, Illinois State Water Survey, on December 16, 2008 at a meeting of the NE Illinois Regional Water Supply Planning Group in Chicago, Illinois. (http://www.isws.illinois.edu/iswsdocs/wsp/ppt/NEIL_RWSPG_Dec2008.pdf)
Sustainable Source Water Assessment 2040 Source: Regional Groundwater Modeling Results for Water Supply Planning in Northeast Illinois -- Presented by Allen Wehrmann, Illinois State Water Survey, on December 16, 2008 at a meeting of the NE Illinois Regional Water Supply Planning Group in Chicago, Illinois. (http://www.isws.illinois.edu/iswsdocs/wsp/ppt/NEIL_RWSPG_Dec2008.pdf)
Sustainable Source Water Assessment Algonquin Algonquin Algonquin Source: Regional Groundwater Modeling Update for Northeast Illinois -- Presented by Allen Wehrmann, Illinois State Water Survey, on March 24, 2009 at a meeting of the NE Illinois Regional Water Supply Planning Group in Chicago, Illinois. (http://www.isws.illinois.edu/iswsdocs/wsp/ppt/NEIL_RWSPG_Mar2009.pdf)
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 Algonquin Connection Considerations Upgrades To NSMJAWA Transmission Network Approximately 36,000 LF of Large Diameter Transmission Main To Get To East Edge of Algonquin Algonquin Transmission Network Upgrades Additional Storage To Meet Minimum 2 Days Storage Connection/Capacity Purchase Fees
Sustainable Source Water Assessment Source: Effects of Future Water Demands and Climate Change on Fox River Water Availability -- Presented by Vernon Knapp, Illinois State Water Survey, on October 28, 2008 at a meeting of the Northeast Regional Water Supply Planning Group in Chicago, Illinois. (http://www.isws.illinois.edu/iswsdocs/wsp/ppt/FoxScenarios.pdf)
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