Lake Berryessa Resort Improvement District Water / Sewer Utility
Transcription
Lake Berryessa Resort Improvement District Water / Sewer Utility
Lake Berryessa Resort Improvement District Water / Sewer Utility Infrastructure Past, Present & Future Berryessa Estates (LBRID) Background Lake Berryessa Resort Improvement District – 1965 Legislatively Established by PRC Section 13000 Approx. 337 Developable Parcels (351 Total) 162 Active Water & Sewer Service Accounts FY 16/17 Operating & Capital Budget - $2.36M Revenue – Assessments, T-1 Tax, User Rates, Prop Tax Public to Contract Utility Operations in 2012 Average Bimonthly Water / Sewer Bill - $575 Organization Structure Board of Directors Property Owners & Customers District Engineer Engineering Manager Associate Engineer Administrative Support Contract Operations Berryessa Estates (LBRID) History 1965 – 1999 No Major Capital Upgrades 2000 – 2008 Sewer Collection Tank, PS, Pond Volume, Slide 2009 – 2015 Water Treatment, Wastewater Storage / Disposal Chronic Sewer Spill Clean Water Act Violations Multiple RWQCB Enforcement Actions Stressed Infrastructure / Stringent Regulations Administrative Civil Liability Order R5-2011-0538 Imposed Judgment Penalty - $400,000 ($160k Remaining) Safe Drinking Water Act Violations August 2014 Emergency Drought Declaration December 2017 DAC Expiration - Economically Distressed Area Sewer System Infrastructure Domestic Wastewater Strength TSS & BOD Dry Weather Flow – 15 to 25 kgal/day Wet Weather Flow – 26 to 250 kgal/day Four (4) Lift Stations – 80 to 450 gpm Equalization Tank – 91,000 gal Facultative Ponds (Biological Treatment) Large Volume Storage Ponds (Winter) Pond Site Pump Stations Irrigation Fields – Land Application Disposal LBRID Sewer Collection System Sub-Basins Existing Pipe Breakdown Early CIP Prioritization Sewer Collection Tank Sewer PS Wet Wells Sewer Pumps Pipe Replacement Inflow / Infiltration Evaluations 2011 Surveillance Closed Circuit TV Inspections Manhole Observations & Flow Monitoring Sewer Collection Rehabilitation 2011 Sewer Repairs Construction Cost - $650,000 Total Project Cost > $1,000,000 Post-Construction Monitoring – RDI/I Lower by 23% WW Ponds Phase I Project Summary Increase Storage – 7.5 MG to 27.4 MG Expand Sprayfield Application Area – 4.9 to 15.3 Acres Add Pond Transfer Pumps – Treatment to Storage Redundant Sprayfield Pumps Yard Pipe & Appurtenances Stationary Standby Power Electrical & Instrumentation Site Drainage Improvements Erosion and Sediment Control / Revegetation Construction Cost - $3.63M State Water Resources Control Board CWSRF Grant WW Phase I Construction WW Disposal Fields / Site Drainage Zone 4 Sprayfield Runoff Catchment Zone 3 Sprayfield Pre-Expansion Pond Site Image Date: May 2014, Google Earth Post-Expansion Pond Site Image Date: April 2016, Google Earth WW Phase II / III Project Summary Lift Station A, B, C & D Electromechanical Upgrades Install 3,000 ft of Sewer Force Main to Ponds Standby Power Generator @ Lift Stations Recycle WTP Waste Discharge (~ 1.5 MG/yr) Stabilize Water Treatment Plant Site Slopes Wetlands Mitigation / Oak Plantings Estimated Design & Construction Cost - $2.4M State Water Resources Control Board CWSRF Grant - $1.2M Proposition 84 IRWMP Round 3 Grant - $1.2M Proposed Sewer Pipe Renewal Lift Station & WTP Recycle Upgrades Water System Infrastructure Surface Supply – Upper Putah Creek Average Treated Water Production – 20 to 60 kgal/day Membrane Filtration Plant Three (3) Water Storage Tanks – 400 kgal Capacity Two (2) Booster Pump Stations Three (3) Pressure Reducing Valve Stations Distribution Pipe – 6” / 8” / 10” Water Mains 43 Fire Hydrants 100% Metered Water Services Membrane Filtration WTP Construction Cost - $1.8M ARRA Drinking Water SRF Loan Agreement - $1.7M Bond Disbursements - $100k Source Water Quality Seasonal Creek Bed Growth Species – Didymosphenia Geminata Common Name Didymo (“Rock Snot”) Invasive Diatom / Nuisance Aquatic No Documented Public Health Risk Preference to Cold Water Habitat Colonized in Sierra Watersheds Control Methods under Study Algae Identification / Cell Counts Implement July to Sept Monitoring Presence / Absence Toxin Test Strips SWRCB Consultation / Free Labware Membrane Filter Pore Size – 0.04 um Picocyanobacteria – 1 to 2 um Anabaena – 2 to 3 um Creek Bed Filtered Intake Screen Water Distribution System Map Raw Supply & Transmission Main Water Supply Intake Extension Turbidity Reduction – 55 to 75% Project Cost - $335,000 Emergency Drought Fund Grant - $236,000 Water Storage Tank Project Summary Replace Three (3) Redwood Tanks w/Bolted Steel Seismic Design Group 3 New Booster Pumps / Motors Secondary Chlorination Site Improvements Estimated Construction Cost - $1.35M Community Development Block Grant Schedule – October 2016 thru July 2017 Storage Tank Design Plan Near-Term Proposed CIP Projects No. Description Budget Est. Timeline Funding Program 1 Intake Pump VFD & Elect. $22,000 FY 16 / 17 Capital Reserve 2 Chem. Storage / Ventilation $20,000 FY 17 / 18 Capital Reserve 3 Aeration / Mixing - Tanks $250,000 FY 17 / 18 Prop 1 / DAC 4 Gensets / Electrical – Tanks $300,000 FY 17 / 18 Prop 1 / DAC 5 PRV Station Renewal $250,000 FY 18 / 19 Prop 1 / DAC 6 Water & Sewer Main $1,500,000 FY 17 - 20 CDBG Note: Pipe Replacement TBD. Guidelines are 1 - 2 % Total Length / Year. Utility Privatized Labor Costs $300,000 $250,000 $200,000 $150,000 $100,000 $50,000 $0 FY 13/14 1Thru FY 14/15 Eleven (11) Months FY 15/16 1 District Facility Tours 1) 2) 3) 4) 5) 6) Refer to Optional Dates in Handout Share with Residents not in Attendance Conduct a Vote Now and Commit to Date or Send E-mail to [email protected] by June 27th Respond to Doodle Poll no later than June 30th Tour Appointment Confirmation E-mail Notice July 1st T-1 Tax Timeline 1998 Ordinance Resolution - Approved by Voters Tax Revenue Covers Operations and Maintenance Expenses SF Bay Area Consumer Price Index CPI Increase / Decrease All Developed / Unimproved Parcels Subject to Tax Initial Collection $412 / Parcel 2005 Ordinance Revision - Approved by Voters Tax Revenue covers Operations and Maintenance Expenses All Developed / Unimproved Parcels Subject to Tax Reset Base $570 / Parcel + 4% per Annum 2016 T-1 Tax - $874 / Parcel T-1 Tax Prop 4 Appropriations Limit Description - “Gann Limit” Caps Public Agency Tax Revenue Spent to Fiscal Year Limit Four Year Cycle / Last Renewal 2012 Adjustment Provisions Based on Population Growth and Cost of Living Passage Mandatory to Pay District Utility Expenditures Next Steps - Board Calls for Mail-in Ballot Vote to Set Four Year Appropriations Limit - Informational Meeting in July or August - Referendum Occurs in September or October Questions