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An Application in GIS for a Sanitary Sewer Overflow Emergency Response
Program
Mike PritchardPenn State MGIS Capstone ProjectAdvisor: Jan Oliver Wallgrun
Key Points of Discussion
• Project background• Proposed goals• Project needs• Literature review• Proposed methodology• Deliverables and timeline
Motivation for Project
MCSE Response Plan
• Developed GIS
• Sanitary trunk sewer collapse in 2009
• Response plan to Sanitary Sewer Overflow (SSO)
• How to best utilize GIS in emergency situations
GIS Tool to Generate Report
• Potential geoprocessing service
• Python and model builder
• Accompanying map of incident area
MCSE Needs• Sanitary network info related to location of SSO
• Repair options
• Customers concerns
• Necessary/unusual equipment
Source: http://wgcl.images.worldnow.com/images/22175327_BG1.jpg
Source: http://www.contractortalk.com/attachments/f62/99515d1379174520-re-how-long-does-take-dig-track_hoe.jpg
MCSE Needs Continued
• Environmental risks• Emergency Contacts• Regulatory Agencies• Government and Community
Leaders
Source: http://farm8.static.flickr.com/7258/7004128015_d559f76af3_b.jpg
Literature Review
• What is an SSO• A discharge of untreated sanitary sewage from the result of a broken pipe,
equipment failure, or overload on the system [1]
• Why Have an effective emergency response plan• Define how to respond, control, report and mitigate the event
• Enhance the protection of public health and the environment
• Provide compliance with regulations and permits
• Maintain trust with the public, the regulatory agencies and the non-governmental organizations
• Minimize the wastewater agency’s exposure and liability from claims, enforcement, or litigation
Involved Organizations
• EPA SSO Toolbox
• Important information to include in plan
• SSO identification protocols
• Hydraulic modeling to understand effects of SSO
Case studies of effective plans related to SSO’s
City of Delmar, CA [4]: Sanitary Management Plan
Greenwood County, SC [5]: Comprehensive Management, Operations, and Maintenance Plan
DeKalb County, GA [6]: SSO Contingency and Emergency Response Plan
Approach & Methodolgy
1. Design SSO report to be generated
from GIS
2. Build GIS to run report as a service
through ArcGIS Server (python and
model builder)
3. Simulate SSO with potential users
Sketch of Potential Generated Report
Organized based on response plan categories
Static and dynamic data
Overview map to provide general location
One page (may change in design)
User Testing
• Flexible based on project timeline
• Simulate an SSO event• Actual user testing• Feedback Report
Project Deliverables
1. GIS generated report with simulated data from SSO
2. Geoprocessing script with accompanying screenshots (or video) of simulated SSO
3. Presentation of paper
Timeline January – February (~6 Weeks)
• Design SSO report
February – March (~6 Weeks)• Build GIS tool to generate report and accompanying
maps
April (~4 Weeks)• User testing
May – September• Finalize report and presentation
Potential Conferences
• Water Infrastructure Conference (AWWA)• 10/26/2014 in Atlanta, GA
• URISA GIS-PRO Conference• 9/8/2014 in New Orleans, LA
• Ohio GIS Conference• September in Columbus, OH
• Pennsylvania GIS Conference• 5/5/2014 in State College, PA
References[1] EPA (2001). Managing Sewer Overflows. Retrieved on October 22, 2013 from
http://www.epa.gov/safewater/sourcewater/pubs/fs_swpp_ssocso.pdf
[2] EPA (2001). Why Control Sewer Overflows. Retrieved on October 29, 2013 from http://www.epa.gov/npdes/pubs/sso_casestudy_control.pdf
[3] APWA (2010). SSO Response Plan. Retrieved on October 22, 2013 from http://www2.apwa.net/documents/resourcecenter/Final%20Core%20Attributes%20July%202010.pdf
[4] Delmar, CA (2010). Sanitary Sewer Management Plan: City of Delmar, CA. Retrieved on October 26, 2013 from http://www.delmar.ca.us/Government/dept/Documents/SSMP_Final2010.pdf
[5] EPA (ND). CMOM Case Study: Greenwood, SC. Retrieved on October 26, 2013 from http://www.epa.gov/npdes/pubs/sso_casestudy_greenwood.pdf
[6] Dekalb County, Georgia (ND). Sanitary Sewer Overflow Contingency and Emergency Response Program. Retrieved on October 22, 2013 from http://www.dekalbwatershed.com/PDF/prog_updates_sanitary_sewer_overflow_contingency_&_emergency_response_plan.pdf
[7] American Society of Civil Engineers (Under Cooperative Agreement with EPA, Project No. CP-828955-01-0) (2004). Solutions for Sanitary Sewer Overflows. Retrieved on November 6, 2013 from http://epa.ohio.gov/portals/35/permits/sso%20solutions%20asce%20epa%20guidance%202004.pdf
[8] American Society of Civil Engineers (Under Cooperative Agreement with EPA) (2000) Protocols for Identifying Sanitary Sewer Overflows (SSOs). Retrieved on November 6, 2013 from http://scap1.org/Collection%20Reference%20Library/Folder%20contains%20Misc%20EPA%20files%20for%20Collection%20Systems/Protocols%20Identifying%20SSO.pdf
[9] Sier, D., & Lansey, K. (2005). Monitoring sewage networks for sanitary sewer overflows. Civil Engineering & Environmental Systems, 22(2), 123-132. Retrieved on November 7, 2013 from http://ezaccess.libraries.psu.edu/login?url=http://search.ebscohost.com/login.aspx?direct=true&db=a9h&AN=17473374&site=ehost-live