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Ellsworth Sourcewater Protection Plan, Appendix B December, 2004 Page 42 of 63

APPENDIX C GUIDELINES FOR PREPARING AN EMERGENCY RESPONSE PLAN From: HANDBOOK FOR WATER SUPPLY EMERGENCIES The Commonwealth of Massachusetts

A good Emergency Response Plan (ERP) is an essential component of a well-managed water system. The ERP will contain detailed procedures to allow the water system to respond quickly and effectively to water supply emergencies. The ERP will help the water system provide a continuous supply of safe drinking water to its customers and ensure a safe working environment for its employees. The process of developing an ERP can contribute greatly to meeting these goals.

The level of effort that should be put into the development of an ERP depends on the size and complexity of the system as well as the hazards identified and the vulnerability of critical elements of the water system. Hazard identification and vulnerability assessment is simply a matter of identifying vital components of the water system and considering incidents that could impact them.

Components that might be vulnerable and could result in diminished availability or quality of water, and therefore should be considered in an Emergency Response Plan, include:

  • Watersheds

  • Aquifers

  • Sources (including emergency supplies and interconnections)

  • Dams

  • Transmission Systems (especially if there is no redundancy)

  • Distribution Systems

  • Treatment Systems

  • Water Storage Tanks

  • Chemical Storage Tanks

  • Personnel

  • Power systems

  • Pumping Systems

  • Transportation Systems

  • Communication Systems

  • Computer and Control Systems

In the development of an Emergency Response Plan, the water system should consider the impacts that the following incidents could have on the above components:

  • Bacterial Contamination

  • Chemical Contamination

  • Equipment Failures

  • Water main breaks

  • Fires/Explosions

  • Fuel Spills

  • Chemical Spills/Leaks

  • Transportation Spills

  • Vandalism/Terrorism

  • Power Outages

  • Floods

  • Droughts

  • Hurricanes

  • Ice storms

  • Tornadoes

  • Earthquakes

MRWA Contingency Plan Template 4/03

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