FY 2012_Water Pollution Control Plant Budget PresentationDubuque Water Pollution Dubuque Water Pollution
Control DepartmentControl Department
Water Pollution Control Department Water Pollution Control Department
Department Manager
Administrative Assistant
Assistant Manager3 Laboratory TechniciansMaintenance Foreman
Operators0.16 Intern2 Mechanics & 1 Electrician
Eight
Fourteen Pumping Stations Provide Fourteen Pumping Stations Provide
Service Throughout the CommunityService Throughout the Community
Laboratory Services Laboratory Services ––WPCP, Water, WPCP, Water,
Landfill, Health Department & CommunityLandfill, Health Department & Community
Fy2010 LoadingsFy2010 Loadings
TotalRes./Com.Ind.% Ind.
Flow8.132 mgd7.048 mgd0.612 mgd 7.5%
B.O.D.
17040 lbs.11244 lbs5794 lbs34%
11951 lbs.10600 lbs1315 lbs 11%
T.S.S.
WPCP PerformanceWPCP Performance
FY 2010
Processed 8.132 mgd. Processed 8.132 mgd.
Removed 96.8% of B.O.D. (Biological Removed 96.8% of B.O.D. (Biological
Oxygen Demand)Oxygen Demand)
Removed 92.7% of T.S.S. (Total Removed 92.7% of T.S.S. (Total
Suspended Solids)Suspended Solids)
Generated 11.65 Dry Tons of BioGenerated 11.65 Dry Tons of Bio--Solids Solids
Daily (4254 tons per year) for Disposal Daily (4254 tons per year) for Disposal
through Incinerationthrough Incineration
100% Compliance with NPDES Permit100% Compliance with NPDES Permit
Energy Energy ––The Costs of OperatingThe Costs of Operating
Electrical Electrical --$490,710$490,710
Fuel Oil for Incineration Fuel Oil for Incineration --$262,500$262,500
Based on fy10/11 actual unit costsBased on fy10/11 actual unit costs
Use of North Incinerator OnlyUse of North Incinerator Only
Total Projected Costs for Energy Total Projected Costs for Energy --$835,770 $835,770
Percent of Operating Costs to Energy Percent of Operating Costs to Energy ––
Approximately 22% of Operating BudgetApproximately 22% of Operating Budget
WPCP WPCP --RenewalRenewal
$50.6 million in construction$50.6 million in construction
$ 5.1 million for engineering & $ 5.1 million for engineering &
Construciton servicesConstruciton services
$ 5 million for contingency($2.42 million $ 5 million for contingency($2.42 million
for Cogeneration Project)for Cogeneration Project)
$ 3.3 million for design$ 3.3 million for design
Total project of $64 millionTotal project of $64 million
WPCP SRF Repayment Impact on RatesWPCP SRF Repayment Impact on Rates
SRF 0% design loan 3.25% for constructionSRF 0% design loan 3.25% for construction
Fy12 Fy12 12%12%
Fy13Fy1313%13%
Fy14Fy1414%14%
Fy15Fy157%7%
Fy16Fy160%0%
Proposed Rate Increase Proposed Rate Increase ––15%15%
Twelve percent rate increase for Twelve percent rate increase for
constructionconstruction
Three percent for OperationThree percent for Operation
Rate ComparisonRate Comparison
(based on usage of 800 cubic feet or 6000 gallons per month)(based on usage of 800 cubic feet or 6000 gallons per month)
CityRates fy11 fy12 (proposed)
Iowa City$36.08
Des Moines$29.60
Sioux City$29.34
West Des Moines$27.10
Davenport$25.61
Dubuque$20.70 $23.77 (proposed fy12)
Waterloo$22.36
Ames$21.99
Cedar Rapids$20.77
Council Bluffs$17.24
Average (without Dubuque)$25.57
Current Versus Future CapacityCurrent Versus Future Capacity
CurrentCurrentExistingExistingDesignDesignPercent Percent
ConditionsConditionsCapacityCapacityConditionsConditionsIncreaseIncrease
Wastewater Wastewater
FlowFlow
8.1328.13213.413.410.6410.64
AverageAverage
33.633.634.334.340.940.93.5%3.5%
PeakPeak
BOD Load BOD Load 170401704024,40024,40036,90036,90051%51%
**
(lbs/day)(lbs/day)
Solids Load Solids Load 119511195124,60024,60029,40029,40019.5%19.5%
**
(lbs/day)(lbs/day)
*Significant industrial capacity included
O&M Budget Current vs ProposedO&M Budget Current vs Proposed
Current PlantCurrent Plant$3.73 Million$3.73 Million
Proposed PlantProposed Plant$3.49 Million$3.49 Million6.4% less6.4% less
New Plant/Two New Plant/Two $3.28 Million$3.28 Million12% less12% less
MicroturbinesMicroturbines
New Plant/Meet New Plant/Meet $3.14 Million$3.14 Million15.8% less15.8% less
Full Electrical Full Electrical
Needs?Needs?
PotentialPotential????????????????
Lift Station CIP’s for fy2012Lift Station CIP’s for fy2012
Rebuild of Perry and Bradley Pumping Rebuild of Perry and Bradley Pumping
StationsStations
Two year reconstruction projectTwo year reconstruction project
Update Electrical and Mechanical SystemsUpdate Electrical and Mechanical Systems
Upgrade Physical Structures and AppearanceUpgrade Physical Structures and Appearance
Terminal Street Pumping StationTerminal Street Pumping Station
Mechanical Improvements Mechanical Improvements
Engineering fy11Engineering fy11
Construction fy12Construction fy12
Flow MetersFlow Meters
Check ValvesCheck Valves
Control GatesControl Gates
PaintingPainting
WPCP Upcoming ProjectsWPCP Upcoming Projects
Digester Gas for Combined Heat & Power (CHP)Digester Gas for Combined Heat & Power (CHP)
Two or Three 200 kw microturbines orTwo or Three 200 kw microturbines or
One Heavy Duty 390 kw genset orOne Heavy Duty 390 kw genset or
One Normal Speed 450 kw gensetOne Normal Speed 450 kw genset
Review of Project Elements
Anaerobic Digesters
and Control Building
Renovation
and Lab
Addition
Replace
Equipment
In-Plant Waste Pump Remove Ash Ponds
Peak Flow
Station
RAS Pump
MLSS Splitter
and Dewatering Pad
Equalization
Station
Structure
Maintenance
Activated
Tanks
Primary Primary
Ash Pad
Sludge
Building
ClarifierClarifier
Train C
Ash Pond
Solids
Final Clarifier
Activated
Final Clarifier
Handling
Sludge
Train B
Bldg
Primary
Clarifier
Grit
WAS
Ash Pond
Activated
Basins
WAS
Pumps
Sludge
Storage
Liquid O
Train A UV Tank
Tank 2
Storage
New Primary Clarifier and
Final Clarifier
Final Clarifier
Weir Covers
Screening
New Cascade
Bldg
(Remove Domes
)
Aerator
New Energy
Dissipating
Reuse Dechlorination
New Screens, Grit
Inlets
Convert Chlorine
New Equipment; Upgrade
Classifiersand WAS Storage
,
Contact Tank to UV
AerationLOX Controls
Aeration BlowersRemove
;
Tank
Diffusers
Chlorine Equipment
New Influent
Flow Meters
and Samplers
Chlorine Disinfection to Ultraviolet Chlorine Disinfection to Ultraviolet ––
Spring, 2011Spring, 2011
Headworks RebuildHeadworks Rebuild--Bar Screens and Grit Bar Screens and Grit
System System ––Fall 2011Fall 2011
Laboratory Addition (Late Winter 2012)Laboratory Addition (Late Winter 2012)
Standby Power/Secondary Treatment Standby Power/Secondary Treatment
Control Building (Late Winter 2012)Control Building (Late Winter 2012)
Anaerobic Digestion in Place of Anaerobic Digestion in Place of
Incineration (Spring 2012)Incineration (Spring 2012)
Ex South Inc Ex South Inc --Future Heat Exchangers Future Heat Exchangers
(Spring 2012)(Spring 2012)
Rebuild Primary Clarifiers Rebuild Primary Clarifiers
add Fourth Clarifier (Spring 2012)add Fourth Clarifier (Spring 2012)
Flow Equalization Flow Equalization ––Summer 2012Summer 2012
BioSolids Processing Building (Summer BioSolids Processing Building (Summer
2012)2012)
Administration/Laboratory BuildingAdministration/Laboratory Building––
(Late Summer 2012)(Late Summer 2012)
From Julien Dubuque Drive
Final Clarifier Modifications (Spring 2013)Final Clarifier Modifications (Spring 2013)
*Final Completion *Final Completion ––Fall 2013*Fall 2013*
From a Spent Facility to a World of Potential From a Spent Facility to a World of Potential
From Disposing Waste to Extracting Resources From Disposing Waste to Extracting Resources
Heat Recovery from EffluentHeat Recovery from Effluent
Waste Carbon to Usable EnergyWaste Carbon to Usable Energy
Nutrient Extraction Nutrient Extraction ––From a Pollutant to a From a Pollutant to a
Resource. Resource.
Thank you!Thank you!