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CMOM: Where are we since 2005?. Ann McCready-Gliha Cuyahoga County Sanitary Engineering SPUG February 16, 2011. US EPA visit in July 2005 at Canalway Visitor Center Why CMOM? Pollution in Lake Erie, our source of Drinking Water SSO’s illegal in 1988 with Clean H2O Act Volunteer Assessment

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cmom where are we since 2005

CMOM: Where are we since 2005?

Ann McCready-Gliha

Cuyahoga County Sanitary Engineering

SPUG February 16, 2011

slide2

US EPA visit in July 2005 at Canalway Visitor Center

  • Why CMOM? Pollution in Lake Erie, our source of Drinking Water
  • SSO’s illegal in 1988 with Clean H2O Act
  • Volunteer Assessment
  • 52 page Checklist
  • County prepared Checklist for Client Communities
  • To date 27 of 30 met Approval
slide3

Completed Checklist

Documentation, Documentation

Eliminated SSO’s

Emergency Management

How did we get approvals?

slide4

Service Area

  • Staffing
  • Sewer Use Ordinance
  • Financial
  • Mapping
  • Modeling
  • Monitoring of Water Quality

Checklist Items

slide5

Collection System

      • TV, Cleaning, Pump Stations, Hydrogen Sulfide
  • Safety
  • Emergency Preparedness
  • SSES

Checklist Continued

slide6

Daily Records

  • Procedure Manuals
  • SSO Notifications
  • Training
  • Inventory
    • Supplies
    • Vehicles
    • Safety

Documentation

slide7

Check the documents you have:

  • Current and up-to-date sewer maps
  • Sewer system plans and specifications
  • Manhole location maps with numbered manholes and GPS coordinates
  • Lift station pump and wet well capacity

information: time to call for vac, etc

  • Lift station O&M manuals with emergency plan
slide8

Identify Problems

  • Areas with flat sewers
  • Areas with surcharging
  • Areas with bottlenecks or constrictions
  • Areas with chronic basement backups or sanitary sewer overflows (SSOs)
  • Areas with excess debris, solids or grease

accumulation

  • Areas with heavy root growth
  • Areas with excessive infiltration/inflow (I/I)
slide9

Sewers and manholes with severe corrosion

  • Sewers with severe defects that affect flow capacity
  • Adequacy of capacity for new connections
  • Lift station capacity and/or pumping problems
  • Wet weather relief points or overflow structures
slide10

SSES

  • Sanitary Sewer Evaluation
  • Chronic problems
  • Contact Engineer for SSES
  • County limit area for SSES with US EPA
  • Encompasses flow studies, sewer assessments
slide11

Performance Indicators for System

  • Lift Station Failures/ year
  • Sewer Pipe Failures/year
  • Sanitary Sewer Overflows/sewer mile/yr
  • Basement backups/ sewer mile
  • Complaints/sewer mile
slide12

Legal Authority

  • Ability to charge
  • Sewer Use Codes
    • Pre-treatment program
    • Illicit Discharges
    • Excessive clear water to sanitary (footers)
  • Regulate Grease
  • New Developments
  • Private Connections
  • Enforce actions for non-compliance, permits, fees and fines
slide13

Cooperate

  • Show Progress
  • Begin procedures now anyway
  • Back at Sanitary
    • US EPA called again, meeting in Aug. 2009
    • Unpermitted discharges
    • AOC Agreed Order of Consent
    • Since 2009 11 more approved

Working with the US EPA

slide14

Computer Tools for Sanitary Sewer System Capacity Analysis & Planning

http://www.epa.gov/nrmrl/pubs/600r07111/600r07111.pdf

  • Wisconsin DNR CMOM: http://dnr.wi.gov/org/water/wm/cmar/cmom.htm
  • US EPA Region 1 Working Doc. Nov 2009: Template for Developing Sewer Collection System Preventive Maintenance and Sewer Overflow Response Plan
  • Sacramento Area Sewer District: estimating SSO’s

http://www.srcsd.com/pdf/ssmp/sso-response-plan.pdf

  • Photos: http://wn.com/sanitary_sewer_overflow

Useful Websites

slide15

Contact Information:

Ann Gliha

Cuyahoga County Sanitary Engineering

216-443-8203

agliha@cuyahogacounty.us

Questions and Answers