Overall Approach to Reducing Non Revenue Water

Overall Approach to Reducing Non Revenue Water2015 Spring Conference & ExpoMacon, GeorgiaTuesday April 14Presented By Mark French, Wachs Water Services

CH2M HILL

AgendaPurpose of ProgramOverview of ProgramCommunities ResultsLessons LearnedWhats Next?Case Study PRASALessons Learned Acknowledgements

Purpose of ProgramGEFA (The Georgia Environmental Authority) developed a Grant Program for small rural utilities to gain access and knowledge to reduce NRW through education and contractors that would provide a service & training.The communities affected would then start programs of their own (in house or hiring a service provider)

Georgias water loss initiatives are gaining national attention4

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Overview of ProgramGeorgia Environmental Finance Authority (GEFA) Water Loss Control Technical Assistance program for small water systems (as defined by the 2010 Water Stewardship Act) was initiated in June of 2012 and concluded in April of 2013.Phase I Cavanaugh & Assoc/ CH2MHill provided training in Water Audits for small communitiesPhase II Services encompassed Water Audit Training, Finished Water Meter Flow Verification, Customer Meter Testing and Pilot Leak Detection, with two (2) technical assistance contractors per project type.Phase IIa Continuation of Phase I for more communities

Small Water System Technical Assistance Phase II Program StructureHired two contractors per project type for negotiation purposesProgram Manager manages the daily activities of contractors

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Communities

ADAIRSVILLEGA0150000 ADELGA0750000 ALMAGA0050000 ASHBURNGA2870000 AUBURNGA0130000 AUSTELLGA0670001 BALDWINGA1370001 BANKS CO - MOUNTAIN CREEKGA0110026 BARNESVILLEGA1710000 BAXLEYGA0010000

CommunitiesBLACKSHEARGA2290000 BLAIRSVILLEGA2910000 BLAKELYGA0990000 BLUE RIDGEGA1110000 BOWDONGA0450000 BRASELTONGA1570000 BREMENGA1430000 BUFORDGA1350000 BUTLERGA2690000 BYRONGA2250000 CAMILLAGA2050001 CAVE SPRINGGA1150000 CENTERVILLEGA1530000

CommunitiesCHATTAHOOCHEE COUNTYGA0530002 CHATTOOGA COUNTYGA0550000 CHICKAMAUGAGA2950000 CITY OF OGLETHORPEGA1930003 CLARKESVILLEGA1370002 CLAYTONGA2410000 CLEVELAND WATERWORKSGA3110000 COCHRANGA0230000 COMMERCEGA1570001 COOSA WATER AUTHORITYGA2910006 CORNELIAGA1370003 CUTHBERTGA2430000 DAHLONEGAGA1870000 DALLASGA2230000 DAWSONGA2730001 EASTMANGA0910002 EATONTON PUTNAM WSAGA2370000 EFFINGHAM COUNTYGA1030131 ELBERTONGA1050001 FAIRBURNGA1

Small System Water Loss Technical Assistance Phase II

51 Projects10

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Small Water Systems Technical Assistance Finished Water Meter Flow Verification (FWMFV)11

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Small Water Systems Technical Assistance Customer Meter Testing (CMT)

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Small Water Systems Technical Assistance Phase II Project Summary

Production costs include chemical and energy costs often times these are forgotten13

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Water Loss Phase IIa Small Water System Technical Assistance14

Small Water System Technical Assistance Phase IIa

47 projects

Back By Popular Demand!15

Communities Dallas Fairburn Tallapoosa Cave SpringStockbridge Dahlonga Coosa Towns Hiawassee Clayton Towns Fort Oglethorpe Hartwell Greensboro Monticello Harlem Sparta Swainsboro Garden City Dawson Pelham Quitman Folkston

Small Water System Technical Assistance Phase IIa Program StructureHired one contractors per project type for negotiation purposes48 projects

Back By Popular Demand!

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Small Water Systems Technical Assistance Phase IIA Project Summary

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Lessons LearnedMany communities that were part of the program did not have GIS, accurate maps, a program to collect dataCommunication between Host, Client, Contractor Continuing services for Utilities after program endsContinuing program by client on their ownFuture programs should require skin in the game

Whats Next?GEFA has a desire to institute this program for mid size Communities This program may broaden its Scope to include additional services driven byClient desiresHolistic approach that is driven by Asset ManagementGEFA encourages the use of SRF and has more funding than recipients requesting loans (currently)

PRASA Leak Detection Project5,000 miles in 18 monthsSuperacueducto: 40 milesMetro Region: 2,000 milesEste Region: 1,500 milesNorte Region: 1,500 milesRotating every few weeksInitial survey of Superacueducto completedSurveyed 4,256 miles surveyed

PRASA Leak Detection Project2,403 leaks pinpointed, estimated loss 15.5 MGD296 incidents of theft identified177,587 survey records (~75 per mile)4,457 valves discovered (33%)4,441 hydrants discovered (54%)237 miles of pipe discovered (10%)4,272 unusable valves identified (37%)

March 24, 2015

Leak Detection Process

Leak Detection Process

Leak Detection Process

Leak Detection Process

Leak Detection Process

Leak Detection Process

Leak Detection Process

Leak Detection Process

Leak Detection Project

Lessons LearnedSound-then-pinpoint approachTraining programRobust information systemsProcess > trained earsPerformance monitoring is critical

ARG ResourceTotal Survey ptsTotal MilesSurvey Pts per MileLeaks Flagged per MileFalse Positive RateJavier Serrano4,174 71591.24.3%Joel De LaCruz1,452 77191.39.4%Anthony Reyes2,439 77320.30.0%

AcknowledgementsGEFA- Jason BodwellCH2MHill Brian SkeensCavanaugh & Assoc Steve Cavanaugh/Will JerniganWachs Water Services Ryan McKeon/Henry Scott/Georgia Brooks