Explore the Services We Offer

We provide a diverse range of water and wastewater design, inspection, and construction management services. Over the past four and a half decades, we have served numerous private clients and municipalities in the state of Washington.

Water Services

JWM & A Provides water system design services including well integration, corrosion control, water treatment, storage reservoirs, booster pumps, and distribution systems.

Water Systems Design

  • Municipal Water Systems
  • Small Water Systems
  • Source Improvements
  • Well Testing and Integration
  • Water Storage Reservoirs (Concrete & Steel)
  • Booster Stations
  • Distribution Systems
  • Trenchless Technology Projects
  • Water System Upgrades
  • Water Treatment
  • Cross-Connection Control
  • Corrosion Control
  • Telemetry / SCADA
  • Backup Generators

Water System Operation Assistance

  • On-Call Services
  • Water System Evaluations
  • Water Quality Analysis
  • Coliform Monitoring
  • Expert Witness Services

Water System Planning

  • Comprehensive Water System Plans
  • Small Water System Management Plans
  • Water Rights Permitting
  • Water Rights Analysis
  • Fire Flow Testing
  • Hydraulic Models of Water Systems
  • Permitting Assistance
  • Feasibility Studies
  • Opinions of Probable Cost

Construction Services

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Wastewater Services

JWM & A Provides wastewater system design services including sewer system planning, collection system design, lift station and forcemain design.

Wastewater Systems Design

  • Municipal Sanitary Sewer Systems
  • Gravity Sewer Collection Systems
  • Forcemains
  • Wastewater Lift Stations
  • S.T.E.P. Systems
  • Grinder Pumps
  • Grease Interceptors
  • Infiltration & Inflow Studies
  • Pipe Rehabilitation
  • Trenchless Technologies
  • Corrosion Control
  • Telemetry / SCADA
  • Backup Generators

Wastewater System Operation Assistance

  • On-Call Services
  • System Evaluations
  • Smoke Testing
  • Flow Metering

Wastewater System Planning

  • Comprehensive Sewer System Plans
  • Feasibility Studies
  • Sewer Base Mapping
  • Opinions of Probable Cost

Reclaimed Water Services

We also provide construction inspection and design services for reclaimed water distribution systems, and management services for reclaimed water facilities. Refer to the following list:

  • Reclaimed Water Transmission and Distribution
  • Site Conversions to Use Reclaimed Water
  • Water Balance Reports
  • Construction Inspection
  • Construction Management
  • Operation & Maintenance Manuals
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