The Encina Wastewater Authority's Biosolids Management Program

EWAs Biosolids ProgramUtilizing Biosolids Marketing to Improve Your Bottom Line

Encina Water Pollution Control Facility

2How Did We Get Here?Crisis Strategy ManagementEWA in Fiscal Year 2001Influent of 22.4 MGDClass B biosolidsBelt filter pressesLand application in Riverside County$645,000 for biosolids disposal

5 Trucks/day, 7 days/week4One Year Later.Riverside County Class B ban Energy crisis $1 Million for biosolids disposalBelt presses at end of useful life5 Trailers per day, 7 days a week Yuma, Arizona 400 mile round trip730,000 transportation miles/year267% Increase from FY 2001 FY 2008

5Biosolids Annual Hauling Costs

Biosolids Strategic Plan

Long-term biosolids strategyPursue heat drying treatment to achieve Class A EQ biosolidsAssess potential markets for granular product

7Biosolids Strategic Plan Implementation2004 - Phase V design2006 Construction commences2008 - Biosolids Management Plan2009 Heat dryer online

BMP Development ProcessMarket assessmentEvaluation of reuse/disposal optionsCost analysisProduct management scenariosDiversified portfolio

Landfills, Biofuels, contract ag, fertilizer distributer, soil blenders, specialty ag, golf courses/turf mgmt, local communityReliability, Flexibility, Regulatory Issues, Risk Exposure, Fiscal Impacts, Implementation IssuesLandfilling, contract ag, biofuels, diversified portfolio

9Diversified PortfolioTier IBiofuelContract agricultureLandfill

Tier IIFertilizer distributorsSoil blendersSpecialty agricultureGolf course/turf/sodLocal communitiesResearch & demonstrations

BMP Tier 1 ExecutionAlternative fuel contract with CEMEXOne trailer a day, 5 days a weekVictorville, California - 260 miles round trip67,500 transportation miles/year222,133 in net transportation costs in FY 2012 Back-up contracts for land application and landfill disposal

Green House Gas EmissionsTier II ExecutionLearn your productNitrogen/phosphorous/potassium Micro and secondary nutrientsIron/calcium/zinc/magnesiumLow salt indexLow heavy metalsHigh water holding capacity(WHC)Pathogen content (frequent testing)Educate your executive team, operations staff and potential customers

PureGreen Analysis

Concentration (mg/kg) Dry Weight ProjectedConcentration(mg/kg) Dry Weight Actual 12/2012Ceiling Concentration* (Table 1, 40 CRF 503.13) (daily maximum)%Solids Cake25 -27%23.5 %NA%Solids Pellets>90 %92.7 %NATKN60,00050,565NAPhosphorus60,00062,000NAArsenic14