This suite of resources provides an overview of EPA recommended best water management practices for landscaping, facilities, and stormwater. Each provides a good overview of techniques along with EPA site examples:
Top 10 Water Management Techniques:
https://www.epa.gov/greeningepa/water-management-plans-and-best-practices-epa
Landscaping:
https://www.epa.gov/greeningepa/landscaping-epa-facilities
Stormwater Management Practices:
https://www.epa.gov/greeningepa/stormwater-management-practices-epa-facilities
