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Flood ScenarioFlood Scenario
Office of Water (4608T) EPA 817-R-08-005 September 2008 www.epa.gov/watersecurity
Flood ScenarioA succession of storms brought significant and
widespread heavy rains
Heavy rains were the result of a number of slow-moving storms and unseasonably warm temperatures
Over several weeks, heavy rains began saturating soils, filling local reservoirs, and clogging storm drains with debris
Impact felt over a (insert size of impacted area) region
Office of Water (4608T) EPA 817-R-08-005 September 2008 www.epa.gov/watersecurity
Flood Scenario (cont.)A strong storm system then brings heavy
precipitation, high temperatures, humidity, and winds producing major flooding
Magnitude of flooding varies, but it is a major event
Officials report creeks and rivers at 8 to 12 feet above flood stage – highest levels since 1950s
NWS extends flood watch over next 2 to 3 daysSandbag barriers constructed around vulnerable
areas, such as drinking water and wastewater treatment plants and low lying pump stations
Many people evacuate the area Office of Water (4608T) EPA 817-R-08-005 September 2008
www.epa.gov/watersecurity
Drinking water utilities experience significant challenges
75 percent of area is without power
Utilities request generatorsPlacement of generators is
challenging due to floodingFuel shortages for generators
expectedDowned trees, violent washouts
rupture numerous pipesSystem pressure droppingFire departments concerned that
loss of water pressure jeopardizes their firefighting capabilities
Utilities do not have enough field crews to fix all of the problems
Office of Water (4608T) EPA 817-R-08-005 September 2008 www.epa.gov/watersecurity
Drinking water utilities experience significant challenges (cont.)
River flooding and large amounts of debris clog water intakes
A possible crude oil spill into a major drinking water source reported
Utilities receive growing numbers of consumer complaints regarding cloudy, poor-tasting drinking water
Utility representatives admit that amount of time required for completing damage assessment and repair is unknown at this point
Government officials, media clamoring for information and situation updates
Office of Water (4608T) EPA 817-R-08-005 September 2008 www.epa.gov/watersecurity
Wastewater utilities also face several challenges Washouts, downed trees rupture collection
and transmission linesFlooding knocks out more than 50% of area
pump stations, many backup pumps failPower loss shuts down many lift stations,
causing sewage overflows and extensive combined sewer discharges into the streets
Raw sewage in the streets may cause cross-contamination to due broken water mains
Local industry spokespersons ask utilities to speed up repairs to continue normal discharges of industrial effluent and remain on-line
Office of Water (4608T) EPA 817-R-08-005 September 2008 www.epa.gov/watersecurity
Extent of Flood Area
Office of Water (4608T) EPA 817-R-08-005 September 2008 www.epa.gov/watersecurity
Facilitated DiscussionFacilitated Discussion
Office of Water (4608T) EPA 817-R-08-005 September 2008 www.epa.gov/watersecurity
Facilitated DiscussionAt what point in this scenario would your
resources be fully committed or overcommitted?
Office of Water (4608T) EPA 817-R-08-005 September 2008 www.epa.gov/watersecurity
Facilitated DiscussionWhat options are available to you to get
outside help?
Office of Water (4608T) EPA 817-R-08-005 September 2008 www.epa.gov/watersecurity
Facilitated DiscussionHow will you activate your WARN in response
to this situation and how will you notify other WARN members that you need help?
Office of Water (4608T) EPA 817-R-08-005 September 2008 www.epa.gov/watersecurity
Facilitated DiscussionIdentify and define processes that might need
to be included in your WARN agreement.
Office of Water (4608T) EPA 817-R-08-005 September 2008 www.epa.gov/watersecurity
Facilitated DiscussionHow will outside assistance be managed
within your organization?
Office of Water (4608T) EPA 817-R-08-005 September 2008 www.epa.gov/watersecurity
Facilitated DiscussionHow will outside resources be managed in
the field? Identify and define processes that might need to be included in your own WARN agreement.
Office of Water (4608T) EPA 817-R-08-005 September 2008 www.epa.gov/watersecurity
Facilitated DiscussionHow will support to these resources be
managed? How will these elements be included in your WARN agreement?
Office of Water (4608T) EPA 817-R-08-005 September 2008 www.epa.gov/watersecurity
Facilitated DiscussionHow will expenses be handled and should
this be addressed in your WARN agreement?
Office of Water (4608T) EPA 817-R-08-005 September 2008 www.epa.gov/watersecurity
Facilitated DiscussionWhen will you know that demands from the
disaster have lessened to the point that you no longer need support?
Office of Water (4608T) EPA 817-R-08-005 September 2008 www.epa.gov/watersecurity
Facilitated DiscussionHow are you going to manage demands for
long-term recovery? How will these needs be addressed in your WARN agreement?
Office of Water (4608T) EPA 817-R-08-005 September 2008 www.epa.gov/watersecurity
Post Exercise SessionPost Exercise Session
(“Hot Wash”)(“Hot Wash”)
Discussion PointsDiscussion Points
Office of Water (4608T) EPA 817-R-08-005 September 2008 www.epa.gov/watersecurity
Verify Exercise Objectives Were Met:Validate how WARN members work
together during a significant water sector incident
Facilitate an understanding of WARN concepts
Identify strengths and areas of improvement
Identify recommendations for changing approach
Office of Water (4608T) EPA 817-R-08-005 September 2008 www.epa.gov/watersecurity