Water + Wastewater

Committed to Infrastructure that Processes and Delivers Water Safely and Efficiently

Have you ever thought about where our water comes from or where it goes? Our Water+Wastewater team does, and they thrive on it. With meticulously designed systems to keep the flow going, we provide a full complement of services, including infrastructure planning; pipeline design for gravity and pressure transmission, distribution, and collection; storage and pumping system design for water, sewer, and reclaimed systems; and technical support for system startup, commissioning, and optimization. At Dibble, we are committed to designing efficient and reliable water and wastewater systems for our communities.


  • Program Management
    Feasibility studies
    Condition assessments
  • Pipeline Design
    Transmission mains
    Distribution systems
    Gravity interceptor & collection systems
  • Facility Design
    Storage reservoirs
    Booster pump stations
    Odor control systems
  • Optimization & Post Construction
    Condition assessment
    Facility rehabilitation

Additional Projects

Steel Reservoir Rehabilitation: Hayden Butte East (1.0MG), Hayden Butte West (2.0MG), Bell Butte (2.0MG), and Papago Butte (1.0MG)
Owner: City of Tempe
Construction Cost: $5.1M

Adonis Lift Station and Force Main
Owner: Town of Marana
Cost: $119k

Ocotillo Road 12-inch Sewer Replacement
Owner: Town of Queen Creek
Cost: $18k

Chino Valley 5 MG Tank
Owner: City of Prescott
Cost: $383k

Desert Hills Filling Station
Owner: EPCOR Water
Cost: $171k

Water Utility On-Call Services
Owner: Town of Oro Valley

Avra Valley Augmentation Transmission Main Route Study and Design
Tucson, Arizona
Owner: City of Tucson
Cost: $82M Engineer’s Program Cost
$45M Program Budget

Scenario 6 Water Transmission Main
Phoenix, Arizona
Owner: City of Phoenix
Cost: $7.8M

Val Vista Transmission Main
Mesa, Arizona
Owner: City of Mesa
Cost: $13.7M

SROG Interceptor Capacity Study
Phoenix, Arizona
Owner: City of Phoenix
Cost: $65M

Old Nogales Interceptor Augmentation
Tucson, Arizona
Owner: Pima County