Home Up Contents

Severe Weather Hazardous Materials Millstone Bio-Terrorism



Ledyard Schools
KI Distribution

Millstone Nuclear Power Station Emergency Planning

A nuclear power plant is designed and constructed to provide electricity while protecting the health and safety of the public and environment.  There are many levels of protection and barriers, each with several back-up systems.  A nuclear power plant cannot explode like a bomb because the fuel is not very concentrated.  The fuel is cooled in a closed water loop system inside a device called a reactor within a reinforced concrete containment building.

To take an animated tour of a nuclear power station courtesy of Dominion Nuclear, Inc. please go to .

In the unlikely event of a serious nuclear power plant emergency, many back-up safety systems would help slow or stop the emergency.  A nuclear power plant emergency would not happen quickly and would likely take hours or days to develop.  This would give state and town officials sufficient time to direct necessary public protective actions in a timely manner -- with your cooperation.

How is Ledyard Affected?

The southwest portion of the Town is located within the 10 mile Emergency Planning Zone (EPZ) for the Millstone Nuclear Power Station.  Specific information regarding evacuation instructions are located on pages 2 and 3 of the Yellow Pages in the Southeastern Connecticut phone directory.

Ledyard residents living in the area defined below would be evacuated if conditions required for a problem at the Millstone Nuclear Power Station.  The evacuation point would be the Field House at the University of Connecticut in Storrs.  

If schools are in session, the following actions will be taken for our children:

The children in any Ledyard school who reside in the Millstone EPZ will not be returned to their homes if an evacuation is ordered.  Parents are expected to pick these children up at school prior to reporting to the evacuation location.  After a reasonable period has passed, the children will be bussed to the evacuation center in Storrs to meet their families.  Please see more details on the link marked Ledyard Schools on the left.

The EPZ is defined by the following area:

South and West of a line drawn from the Thames River down Hurlbutt Road to Route 12.   North on Route 12 to Whalehead Road, along Whalehead Road to Sandy Hollow Road, along Sandy Hollow Road to Route 117 and then South on Route 117 to the Groton Town Line.

How will you be notified?

In the case of an emergency at the Millstone Nuclear Power Station, alerting sirens located within the Emergency Planning Zone will sound.  The alerting sirens will sound continuously for three (3) minutes to indicate a problem warranting your attention.  The sirens ARE NOT a signal to evacuate.  Upon hearing the sirens, residents are asked to proceed to the nearest TV or radio to get the specific information that will be passed via the Emergency Alerting System.  Activation of these sirens may be for hazardous materials incidents and weather emergencies.  Therefore, tuning in to one of the TV or radio stations listed below is important to determine if a nuclear power plant emergency has been declared.  If in doubt, stay indoors (shelter in place) until the EAS message is broadcast.

TV Stations carrying the EAS message will be:

WFSB - Channel 3     WTNH - Channel 8      WVIT - Channel 30      WTIC - Channel 61

Check your local cable TV service for the cable channel selection in your area.

Local Radio carrying the EAS message will be:

WNPR - 89.1 FM   WCTY - 97.7 FM    WNLC - 98.7 FM   WQGN - 105.5 FM   WBMW - 106.5 FM   (WCTY is the primary reporting station for the area)

WSUB - 980 AM   WMRD - 1150 AM   WICH - 1310 AM   WLIS - 1420 AM

Annually, you will receive a questionnaire asking if you need special assistance in the unlikely event a problem occurs at the Millstone facility.  These are mailed by the State Office of Emergency Management and will be forwarded to us.  If you wish to ensure we have your information, please use the feedback form on this web site.  When responding we need to know your name, address, the specific special need you have (this includes those with poor hearing who may not hear the sirens or those who need transportation), your phone number, and the name and phone number of a family member or friend not living with you who can assist us with contacting you.

The State of Connecticut Emergency Planning for the  Millstone Nuclear Power station is available by clicking on the link below.  You will need the Adobe Acrobat reader to review the document.


Send mail to with questions or comments about this web site.
Last modified: 02/28/12