Evaluation and Cost Benefit Analysis of Municipal
Water Conservation Programs
INTRODUCTION.............................................................................................................1
Methodology..........................................................................................................13
Assumptions............................................................................................................15
OVERALL FINDINGS..................................................................................................17
Audit Findings.........................................................................................................27
Device Giveaway Findings................................................................................31
Washing Machine Rebate Findings.............................................................35
Landscape Conversion Rebate Findings...............................................39
Toilet Rebate Findings......................................................................................43
Toilet Distribution Findings..........................................................................47
Rate Case Findings...............................................................................................51
Other Program Findings..................................................................................55
Data Tables..............................................................................................................59
Interactive Calculator Worksheets....................................................63
Notes............................................................................................................................67
AUDIT CASE NARRATIVES......................................................................................69
Utility A-1.......................................................................................................................71
Utility A-2.......................................................................................................................81
Utility A-3.......................................................................................................................87
Utility A-4.......................................................................................................................93
DEVICE GIVEAWAY CASE NARRATIVES...........................................................103
Utility D-1.....................................................................................................................105
Utility D-2.....................................................................................................................115
Utility D-3.....................................................................................................................125
Utility D-4.....................................................................................................................131
Utility D-5.....................................................................................................................137
WASHING MACHINE CASE NARRATIVES..........................................................143
Utility W-1.....................................................................................................................145
Utility W-2.....................................................................................................................151
Utility W-3.....................................................................................................................157
Utility W-4.....................................................................................................................163
Utility W-5.....................................................................................................................173
Utility W-6.....................................................................................................................179
Utility W-7.....................................................................................................................185
Utility WR-1 (Washing Machine Replacement)..............................................................191
Landscape Conversion Case Narratives............................................197
Utility L-1.......................................................................................................................199
Utility L-2.......................................................................................................................213
Utility L-3.......................................................................................................................223
Toilet Rebate case Narratives..................................................................229
Utility TR-1.....................................................................................................................231
Utility TR-2.....................................................................................................................237
Utility TR-3.....................................................................................................................247
Utility TR-4.....................................................................................................................253
Utility TR-5.....................................................................................................................259
Toilet Distribution case Narratives.......................................................265
Utility TD-1.....................................................................................................................267
Utility TD-2.....................................................................................................................273
Utility TD-3.....................................................................................................................285
Rate Case Narratives........................................................................................303
Utility R-1........................................................................................................................305
Utility R-2........................................................................................................................311
Utility R-3........................................................................................................................319
Utility R-4........................................................................................................................325
Utility R-5........................................................................................................................331
other program case Narratives...............................................................337
Utility O-1........................................................................................................................339
Utility S-1........................................................................................................................347
Utility C-1........................................................................................................................357
Bibliography............................................................................................................363
Water Conservation Alliance of Southern Arizona
