AWWA COMMENT PERIOD ON AWWA G520, Wastewater Collection System Operation and Management

AWWA COMMENT PERIOD ON AWWA G520, Wastewater Collection System Operation and Management
May 2, 2025

AWWA solicits public comments on all proposed new AWWA Standards, and on all proposed revisions, reaffirmations, or withdrawals of existing AWWA Standards. The referenced standards project is being considered for approval and the publication of this notice begins the 45-day public comment period for AWWA and ANSI. An electronic public review copy of the proposed standard can be obtained for review during the comment period by emailing ETS Support (ETSsupport@awwa.org). Comments must be submitted in writing to the AWWA contact listed below no later than the last day of the comment period specified herein. Such comments shall be specific to the section(s) of the standard under review and include sufficient detail, so as to enable the reader to understand the commenter’s position, concerns and suggested alternative language, if appropriate.

AWWA Comment Period closes on June 16, 2025.

Send comments to:
Amanda Dail, ADail@awwa.org
303.734.3466 phone

The review copy will be edited for publication and may also be revised as appropriate based on any comments received during the public comment period. Therefore, this copy is not suitable for continued utilization and is intended only for comment purposes.

Final publication of the standard may take several months. When it is available, a notice will be published in the official notice section of Journal – American Water Works Association. The standard becomes an effective AWWA standard on the first day of the month following such publication in Journal – American Water Works Association.

SCOPE
This standard describes the critical requirements for the effective operation and management of a wastewater collection system.

MAJOR REVISIONS
Major revisions made to the standard in this edition include the following:

1. Added new definitions for Computerized maintenance management system (CMMS), Corrosion control and monitoring, Force main, Geographic information system  (GIS), Gravity sewer  main, Grinder pumps, Maintenance management  system (MMS), Manufacturer, Potable water, Reactive maintenance, and Resources. Deleted definitions for Service provider and Water (Sec. 3).
2. Added new detail for communication planning related to emergency situations (Sec. 4.2 and Sec. 4.3.11).
3. Reorganized the steps for customer inquiry response and tracking (Sec. 4.2.1).
4. Provided examples of public education and outreach (Sec. 4.2.2).
5. Provided examples of planned and unplanned service interruptions (Sec. 4.2.3).
6. Added considerations for 10-year and 25-year rain events related to combined sewer capacity (Sec. 4.3.3.1.1).
7. Added considerations for prevention of sewer back-ups in new designs and existing systems (Sec. 4.3.3.1.2).
8. Added new section for responsible and secure tracking and storage of chemicals (Sec. 4.3.12.2).
9. Provided examples of health and safety training documentation to be maintained by the utility (Sec. 4.3.13).
10. Added examples of training programs developed by the utility for employees (Sec. 4.3.13.1).
11. Added a new section for Asset Management (Sec. 4.5).