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Engineering Services

The Engineering Department provides a wide variety of services to the public and is available in person or by telephone.

Services and Functions of the Engineering Department:

Engineering FAQs

Development Services

  • $150 for boundary adjustment, single lot, and minor subdivisions
  • $250 for major subdivisions and commercial 
  • Plan Check Deposit 
  • Inspection Deposit
  • Plan Check Requirements 
  • Grading Plan Check
  • Static Pressure and General Information About the District

Information Maps:

  • Water System
  • Sewer System
  • Topography & Aerial
  • As-Built Plans
2020 Jan-Water_Sewer Cap Fees.pdf

Service Availability Letters: (Submittals must include a project plat map)

Engineering Forms: Click Here

District Domestic Water, Recycled Water & Sanitary Sewer Construction Standards Manual:

Standards Manual

Capital Improvement Projects

  • Capital Project Updates and Schedules
  • Request for Proposals/Qualifications
  • Water and Sewer Master Plans Click Here

Advertised Construction Projects Out to Bid:

There are no advertised Bids.

Advertised Requests for Proposals / Qualifications

There are no advertised Request for Proposals. 

 Thoroughbred Lift Station Project Draft Initial Study Mitigated Negative Declaration Public Commenting Posted 11/5/2020.  Comments Due 12/05/2020 to MTamimi@Rainbowmwd.com

Thoroughbred LS Project Notice of Intent Draft ISMND & Figures.pdfRainbow LS ISMND_110320-with appendices (1).pdf