805-653-7900 wrea@wreassoc.net

Water Resource Consultants in Southern California

WREA has produced water resource plans and specifications for over 2300 projects and counting throughout California. We have designed over 280 miles of water and sewer mainlines, 210 pump or lift stations, 120 tanks or reservoirs, approximately 300 large scale irrigation and drainage projects, and more involving wastewater design, stormwater system design, and rainwater drainage system design. WREA has built unparalleled relationships with teams and individuals across industries including industrial, commercial agriculture, military, and others.

A detailed project list and client reference list can be provided upon request. Contact us @ wrea@wreassoc.net today.

Field Irrigation


  • Irrigation, storage, grading and drainage
  • Water rights, collection and reuse
  • Usage Consulting
  • Permitting assistance
River Bend


  • Permit preparation
  • Feasibility studies
  • Project scoping and management
Stormwater Drainage

Storm water

  • Drainage and hydrology studies, Design and Modeling Treatment
  • Construction and industrial storm water pollution prevention plans
  • Permitting assistance
3M Tank

Domestic Water

  • Design and Modeling Water systems
  • Treatment, Booster pump stations, distribution piping
  • Storage, use analyses, permitting assistance
Fire flow

Fire Protection

  • Design and modeling, fire flow testing
  • Service mainlines, booster pump stations
  • Storage, access and fire hydrant location designs
  • Construction requirements, permitting assistance
Treatment Plant


  • Design and modeling
  • Recycled Water Distribution
  • Domestic wastewater treatment
  • Process wastewater treatment
  • Permitting assistance

We serve communities in Southern California: Ventura County, Santa Barbara County, Los Angeles County and beyond. For a stormwater system design consultation, call Water Resource Engineering Associates (WREA) at 805-653-7900.