Construction specifications

West Des Moines Water Works strives to maintain transparency with its customers, contractors, developers and other interested parties. West Des Moines Water Works has adopted the SUDAS Standard Specifications, with the West Des Moines Water Works General Supplemental Specifications to SUDAS. Additional rules and regulations for the installation, operation and maintenance of water service pipes, fire service pipes and water meters can be found in the West Des Moines Water Works Metering Specifications.

Current Construction Specifications

- West Des Moines Water Works General Supplemental Specifications to SUDAS (Effective 6/1/2024)
- SUDAS Specifications 
- West Des Moines Water Works Water Service and Metering Specifications 

West Des Moines Water Works Standard Notes
Please include the following Standard Notes on all preliminary plats, final plats, site plans and construction drawings.
1. All water work, public or private, shall be done in accordance with West Des Moines Water Works Standard Specifications, available at  West Des Moines Water Works Standard Specifications.
2. Any water use from a hydrant, public or private, requires the use of a West Des Moines Water Works hydrant meter. Call 515-222-3465 to reserve a meter.

3. Contractor shall notify West Des Moines Water Works (515-222-3465) at least one week prior to building construction.

4. The General Contractor shall be responsible for compliance with the West Des Moines Water Works and the City’s Cross Connection Control/Containment Provisions.
5. The General Contractor shall be responsible for the proper installation of an approved Backflow Prevention Assembly(ies) for containment in all new construction. Backflow prevention to be installed per City Ordinance 1297, 54-1998. Contractor shall notify their Project’s West Des Moines Water Works Engineering Technician (515-222-3465) a minimum of 24 hours after installation and testing of all backflow devices to schedule final inspection.

6. The General Contractor shall be responsible for verifying static water pressure and, where required by the City of West Des Moines Plumbing Code, shall install a Pressure Reducing Valve(s) with Expansion Tank(s). Where required, pressure reducing valve(s) and tank(s) shall be installed downstream of the water meter(s) and backflow prevention assembly(ies) serving the site.

For questions regarding the specifications, please contact the Principal Engineer – Water Distribution and Development at (515) 222-3510.

Historic Construction Specifications (Retired--for Reference Only)