WATER HARVESTING INITIATIVES IN TUCSON AND PIMA COUNTY

May 25, 2012Table of Contentsi. Preface and Acknowledgmentsii.How to Use this Manual1. Introductiona. Purpose and Goalsb. Background and Local Context (…note existing local practices…)c. Scoped. Integration with other Efforts (mention TW rebate, COT Water Harvesting)2. LID and Water Harvesting Principlesa. Why Use LID?b. Low Impact Development and Rainwater Harvesting Terminologyc. Neighborhood Scaled. Local Rainfall Characteristicse. Stormwater and Water Qualityf. The Effect of Development on Soil Infiltration Properties3. Site Assessment, Design and Planning Processa. Site Hydrologyi. Stormwater Design Volumeii.b. Water Quality and Treatmentc. Erosion and Sediment Controld. Urban Heat Island Mitigatione. LID Practice Selection Matrixi. Decision Treeii. Integrated Managementiii. Benefits and Costs4. LID Practicesa. Non‐Structurali. Clustered Developmentii. Minimizing Disturbed Areas and Soil Compactioniii. Promoting Open Spaceiv. Preserving Natural Flow Paths and Buffersv. Conserving and Restoring Sensitive Natural Areasvi. Disconnection of Impervious Areab. Structurali. Stormwater Harvesting Basinsii. Swalesiii. Bioretention systemsiv. Infiltration TrenchesPowerpoint Templates Page 28v. Dry Wells