Lake Berryessa Resort Improvement District Water / Sewer Utility

Lake Berryessa Resort Improvement District
Water / Sewer Utility Infrastructure
Past, Present & Future
Berryessa Estates (LBRID) Background
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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
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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
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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
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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
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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
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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
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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
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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 LBRID@countyofnapa.org 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
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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
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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
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“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