ACWWA 2007 WCPlan

• Project Type: Water Conservation Plan
• Applicant: Arber Water, WasteWater & Reuse Engineers
• Title: Arapahoe County Water and Wastewater Authority Water Conservation Plan
• Date: 11/1/2006
• County: Arapahoe
• Water Conservation - Doc Type: Complete Plan

ARAPAHOE COUNTY WATER AND WASTEWATER AUTHORITY

SECTION 2 WATER USE AND FORECAST DEMAND ..................................................... 14

2 .1 Current Water Use ......................................................................................................... 14

2.1.1 Potable and Non-potable Supplies..................................................................... 14

2.1.2 Customer Classes ................................................................................................ 14

2.1.3 Large Customers ................................................................................................. 14

2.1.4 Indoor and Outdoor Use .................................................................................... 15

2.1.5 Seasonality of Water Use .................................................................................... 15

2.1.6 Trends in Water Use ........................................................................................... 15

2.2 Forecasting Method ........................ ................................................................................ 16

2.3 Demand Forecast ............................................................................................................ 16

SECTI ON 3 PROPOSED FACILITIES ................................................................................... 1 7

3.1 Potential F acility Needs .................................................................................................. 17

3.1.1 Joint Water Purification Project Water Treatment Plant.............................. 17
3.1.2 Lone Tree Creek Wastewater Reuse Facility ................................................... 18

3.1.3 Non-potable Water System ................................................................................ 18

3.1.4 Water Supply Improvement and Delivery Programs ..................................... 18

3.1.5 Chaparral Water T ank ...................................................................................... 19

3.1.6 Miscellaneous Distribution System Improvements ......................................... 19

3.2 Increm ental Cost Analysis ................................................ ............................................. 19

3.3 Preliminary Capacity Forecast ................................................................ ...................... 19

SECTION 4 CONSERVATION GOALS ................................................................................. 20

4.1 Water Conservation Goals ............................................................................................. 20

4.2 Goal Develo pm ent Process ................................................. ............................................ 21

SECTION 5 CONSERVATION MEASURES AND PROGRAMS....................................... 22

5.1 Conservation Measures and Programs ......................................................................... 22

5.2 Screening Criteria........................................................................................................... 22

5.3 Conservation Measures and Programs Selected for Future Analysis ....................... 23

SECTION 6 SELECTION OF CONSERVATION MEASURES AND PROGRAMS........ 24

6.1 Combinations of Measures and Programs ................................................................... 24

6.2 Costs and Water Savings of Conservation Options ..................................................... 26

6.3 Ben efits and C os ts ........................................................................................................... 26

6.4 E val ua tio n Criteria......................................................................................................... 26

6.5 Selection of Conservation MEASURES and Programs .............................................. 26

SECTION 7 INTEGRATION OF RESOURCES AND MODIFICATION OF

F 0 REC AS TS................................................................................................................... 27

7.1 Demand Forecasts Modifications .................................................................................. 27

7.2 Project-Specific Savings and Supply-Capacity Forecasts ........................................... 28

7.3 Rev en u e Effects............................................................................................................... 28

SECTI ON 8 IMPLEMENT A TI ON PLAN .............................................................................. 29

Richard P. Arber Associates, Inc.

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ACWW A05