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Aurora Water Design Standards, Specifications and Fees

Draft 2025 Water, Sanitary Sewer, and Storm Drainage Infrastructure Standards

Development Community,

Aurora Water has produced a revised edition of the standards and specifications for review. This edition is not the effective version. The effective version will be published at a later date. Please submit comments regarding the revisions to [email protected]. Your cooperation and feedback are highly appreciated.

A draft copy of the specifications can be found here:
Draft 2025 Water, Sanitary Sewer, and Storm Drainage Infrastructure Standards 

Water and Sewer 2025 Fees Adjustments

Effective January 1, 2025, Aurora Water will be implementing changes to the water and sanitary sewer connection fee as charged by the Department per the City of Aurora Development and Connection Fee Schedule for all meter sizes serving indoor uses for single family detached, attached, multi-family and commercial water service connections.

2025 Water Development Fees

2024 Water Development Fees 

Design Standards and Specifications

Effective Feb. 15, 2024 Aurora Water implemented a revised edition to the standards and specifications manual. This document provides construction and acceptance standards for public and private water, sanitary sewer and storm drainage infrastructure.

Notable revisions to the specifications include:

  • Critical Infrastructure definition and crossing requirements were added.
  • Warranty for Aurora Water infrastructure was updated from one to three years.
  • Fire Flow requirements for Industrial Use was updated to 4,000 gpm.
  • Clarified requirements for subsurface utility engineering and pothole pre-design.
  • Water main disinfection and testing procedures were updated.
  • Added training requirements for all work on the Aurora Water reclaimed water system.
  • Provided new detail regarding Inside Drop manholes.
  • Revised the Banked Meter to provide individual points of connection.
  • Clarified the Water Line Lowering detail regarding the use of rebar restraints.
  • Revised Car Wash Standards to require a minimum 75% water recycling for automated in-bay and conveyor systems.

Your cooperation in this matter is greatly appreciated, please refer all questions to [email protected].

2024 Water, Sewer, and Storm Drainage Standards

Updates included May 30, 2024

  1. Section 5.02.2: maximum velocity and head loss requirements for 24" pipe were revised from 7.8 fps to 4.5 fps and from 4 ft/1000 ft to 2 ft/1000 ft respectively.
  2. Standard detail 221-1 updated to remove reference to body clamps and to call out rebar in Detail B. 

Appendices

As-Built Drawings Submittals Minimum Requirements Check-list
As-Built drawings are required at initial acceptance for public and private utility infrastructure installation. Review and approval by the Aurora Water department is required for initial acceptance.

 As-Built Submittal Checklist

 Aurora Water Design Standards and Specifications

Private Stormwater Ponds - Maintenance Guide
Domestic Service Allocation Agreement Form
Irrigation Allocation Agreement Form
Meter Pit Lid - Approved Materials Modification
Stormwater and Wastewater Lift Station Design and Engineering Guidelines
Building Information Modeling (BIM) Standards

Metro Water Recovery

Industrial Pretreatment Program 

Civil Plan Review Checklist

Civil (Utility) Pre-Acceptance Review Checklist

Fire flow modeling, utility maps and meter sizing questions, contact [email protected] or 303.739.7370

Erosion control & Stormwater standards (35 MB)

Forms from Rules and Regulations

Form Updated
Stormwater Permit Application (Word file) 12/19/2024
Amendments to Approved Plans (Word file) 12/19/2024
Temporary Batch Plant Permit Application (Word file) 12/19/2024
Faithful Performance Bond (Word file) 12/19/2024
Initial Cost Sheet (Excel file) 12/19/2024
Post-Paving Cost Sheet (Excel file) 12/19/2024

 

 

Storm Drainage Criteria

Effective August 5, 2024, Aurora Water implemented an update to the Storm Drainage Design and Technical Criteria (SDDTC). The previous edition, dated November 9, 2023, is now superseded. It is anticipated that further updates will be made on an annual basis, or as otherwise needed.

This update captures feedback received from the development community and issues found by AW staff since last year's revision. Changes made include the following:

  • Extended concepts traditionally applied to detention ponds to other drainage facilities, including Stormwater Control Measures (SCMs) and MHFD Maintenance Eligible Program (MEP) streams, for the purposes of construction certification, ownership and maintenance responsibilities.
  • Expanded listings of stormwater facilities that are owned and maintained by other City of Aurora departments and other governmental entities to clarify ownership and maintenance responsibilities.
  • Recognized that all detention ponds that have executed Inspection and Maintenance (I&M) agreements are considered to have adequate assurances, and the peak flow reductions should be included in hydrologic calculations. Doing so reduces the construction and maintenance burden of oversized infrastructure.
  • Expanded policies on grandfathering of previously approved stormwater infrastructure and provided a figure and examples.
  • Updated imperviousness values for 3 land uses/surface covers.
  • Expanded discussion of storm inlet placement, allowing more extensive use of cross pans on local streets.
  • Separated discussion of detention requirements from water quality requirements, to avoid confusion.
A detailed list of changes is shown in Section 1.6.1 of the criteria.

Files:

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