The O & M in CMOM: Operation & Maintenance
A Reference Guide for Utility Operators
About the guide...
CMOM Policy and Regulations
The CMOM Program and what it entails
MOM (CMOM) Programs Are Utility-Specific.
CMOM Documentation Requirements
From EPA Region 4: Utility Self-Audit Review
Combined Sewer Overflows CSO Control Policy
Protocol for Conducting Environmental Compliance Audits for Municipal Facilities
Sanitary Sewer Overflows Federal Advisory Subcommittee
Key Issues Identified by the SSO Subcommittee
Combined Sewer Overflows - CSO Control Policy
Sanitary Sewer Overflows Archived Publications
U.S. EPA SSO Federal Advisory Committee Meeting
Sanitary Sewer Overflows Current Regulatory Framework and Proposed Rule
Proposed Rule To Protect Communities From Overflowing Sewers
Utility Self-Audit Review Guidance & Information
What is the purpose of the CMOM program checklist?
EPA Regional CMOM Activity
Region 1: Maine (MA); New Hampshire (NH); Vermont (VT); Massachusetts (MA); Rhode Island (RI); Connecticut (CT)
Environmental Management Systems (EMS)
National Environmental Performance Track Program
Optimizing Operation, Maintenance and Rehabilitation of Sanitary Sewer Collection Systems
Current Regulations for Collection System Operation and Maintenance
Region 2: New York State (NY); New Jersey (NJ); Puerto Rico (PR); Virgin Islands (VI)
Combined Sewer/Sanitary Sewer Overflows
Clean Water Act (CWA) 301(h) Variance Decisions/PR/EPA MOA Implementation
Region 3: Pennsylvania (PA); Maryland (MD); Delaware (DE); District of Columbia (DC)
Enforcement, Compliance, and Assistance
Targeting of Compliance Assurance Efforts
Region 4: North Carolina (NC); South Carolina (SC); Georgia (GA); Florida (FL); Alabama (AL); Mississippi (MS); Tennessee (TN); Kentucky (KY)
Phase 2 [Administrative Order, Consent/Diagnostic Assessment]
Phase 3 [Long Term Remedial Action]
Region 5: Minnesota (MN); Wisconsin (WI); Michigan (MI); Illinois (IL); Indiana IN); Ohio (OH)
Region 6: New Mexico (NM); Texas (TX); Oklahoma (OK); Louisiana (LA); Arkansas (AR)
Region 7: Nebraska (NE); Iowa (IO); Kansas (KS); Missouri (MO)
Region 8: Montana (MT); North Dakota (ND); South Dakota (SD); Wyoming (WY); Utah (UT); Colorado (CO)
Region 9: California (CA); Nevada (NV); Arizona (AZ); Hawaii (HI); Guam; American Samoa; Trust Territories; Northern Marianna Islands Commonwealth
EPA, Regional Boards Take Action to Prevent Sewage Spills
Outreach and Compliance Assistance
Region 10: Washington (WA); Oregon (OR); Idaho (ID); Alaska (AK)
National wet weather priorities
Consent Decrees From All Regions, Including CMOM Language:
Potential Root Causes of Non-Compliance – a diagram
Case Studies, Fact Sheets, and Other Information
City of Mobile, Alabama, Sewer Overflows Settlement
Clearwater, FL Abates Sanitary Sewer Overflows
Greenwood Metropolitan Authority, Greenwood County, South Carolina
Fairfax County Wastewater Collection Division, Burke, Virginia
City of Youngstown, Ohio, Sewer Overflows Settlement
Orange County Within The Santa Ana, California Region
Cincinnati MSD Consent Decree on Sanitary Sewer Overflows
Miami-Dade County Water And Sewer Department’s CMOM Program:
San Diego Collection System Assessment Program: Lessons Learned
Springfield, Missouri Developing CMOM Program
Luquillo, Puerto Rico: A Methodology For Evaluation And Design Improvements In Wet Weather Sanitary Sewer Systems
City of Sandy Hook, Kentucky: A Small City Addresses Collection System Capacity, Maintanance And Operations Management
City Of Baltimore, Maryland: Identification And Assessment Of Critical Wastewater Facilities
City Of Atlanta: Long-Term Watershed Monitoring Approach
Austin, Texas Clean Water Program
City Of Los Angeles CMOM Program
East Providence, Rhode Island: Combining Pilot I/I Remediation With System Modeling To Guide SSO Reduction Decision Making
Village of Beverly Hills, Michigan: A Pilot Program For Removal Of I/I From Private Sources
City Of Gastonia, NC: Conducting A MOM Self-Audit
Allen County, Ohio (Lima, Ohio): Cost-Effective GIS Solution For Buried Infrastructure Meets Regulatory Requirements
Sacramento CSD-1’s Experience: Developing A CMOM Program
Houston’s Business Plan For Continual Improvement
City Of Charleton: Launching CMOM Using An EMS
Protecting Paradise: CMOM Comes To Yosemite National Park
Richmond, Va Strengthens Its Collection System and GASB 34 Position
Tennessee Cities: Sewer Flow Monitoring Crucial To EPA’s CMOM Compliance
Central Contra Costa Sanitary District in Martinez, California: Small Diameter Clay Sewer Pipe
Orange County Sanitation District (OCSD), California: Starting A Collection System Outreach Program
City Of Thousand Oaks, California Wastewater System Master Plan: Preparing For CMOM
City of Coral Springs, Florida: The Pre-CMOM Study
Vallejo, California: WebGIS Tools Move Toward CMOM Compliance
Plainfield (New Jersey) Area Regional Sewerage Authority: Manhole Inserts to Reduce Inflow in the Borough of Fanwood
Orange County, Florida’s CMOM Program
Gladstone, Missouri: Collection System I/I Analysis, Prioritization, And Rehabilitation
Collection System Operations
1. What is your normal response to the SSO events listed?
2. What are your most significant maintenance problems?
3. What maintenance activities do you think are beneficial to preventing dry weather and wet weather SSO’s?
4. What are the limitations for the various methods for finding SSO’s?
5. What inspection methods do you think are effective in identifying potential SSO locations?
6. Do you utilize any written protocols or procedures for identifying or investigating SSO’s or potential locations of SSO’s?
7. Do you have any plans for developing protocols for identifying or investigating SSO’s? Do you have any ideas for an effective protocol?
8. Have you identified any recurring design deficiencies that may be causing SSO’s (e.g., flat sewer slopes)?
9. Have you made any design changes to correct the above problems?
10. What are the most common SSO defects fixed?
11. Do you expect SSO requirements to be added in the future?
12. Do you have an I/I management program?
13. Do you have a corrosion control program?
Typical Sanitary Sewer Problems
Causes of Sanitary Sewer Backups
MOM Programs Performance Summary
Sanitary Sewer Overflow Toolbox
Operation & Maintenance Programs
Why Flow Monitor for Sanitary Sewer Assessment?
The How-To’s of Flow Metering for CMOM Compliance
Develop Flow Monitoring and CMOM Programs
Capacity Monitoring (Wet Weather Assessments)
Hydrogen Sulfide Monitoring and Control
Routine Preventive Operation and Maintenance Activities
Optimization of Collection System Maintenance Frequencies and System Performance
Routine Maintenance Activities
Regulator/Tide Gate Maintenance
Catch Basin and Grit Chamber Maintenance
Sewer Cleaning Methods Related to I/I Reduction
Combined Sewer Overflow O&M Fact Sheet: Proper Operation and Maintenance
Manhole Inspection and Assessment
Fats, Oils, and Grease Control Program
Grease Trap and Interceptor Maintenance
Components of Integrated Root Control Programs
Cleaning the Collection System
Average Weight of Root Control as Maintenance Activity
Non-Chemical Methods of Root Control
Collection System Operation and Maintenance
Inspection of the Collection System:
Pump/Lift Station Operation & Maintenance Procedures
Pump/Lift Station Operation & Maintenance Procedures
Force Main Operation & Maintenance
Force Main Operation &Maintenance
Force Main Operation And Maintenance
Alternative Sewer Operation & Maintenance
STEP (Septic Tank Effluent Pump) Systems
Small-diameter gravity sewer (SDGS) systems
SSES Technical Approach Flow Chart
Rehabilitation Resources
Sewer Rehabilitation