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October 24, 2014
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Home > Environment > Water Resources > Water Supply > Drought Stage

Drought Stage Guide

Normal
Watch
Warning
Emergency
Description
Wise Water Use
Voluntary Water Conservation
Voluntary Water Restrictions
Mandatory Water Restrictions
Audience
Entire Metropolitan Washington Region Entire Metropolitan Washington Region Customers of Co-op System, associated local governments, media Customers of Co-op System, associated local governments, media
Trigger

None - water supply adequate to meet all demands

-NOAA "D1" drought level in Potomac River Basin (adopted on a provisional 2-year basis and will be re-assessed during this time period)
-Combined water supply storage at Jennings Randolph and Little Seneca reservoirs drops to 60% of capacity for 5 consecutive days; lifted when combined water storage at reservoirs increases and remains above 60% for a period of 15 days; OR
- 5% Probability of not meeting unrestricted water supply demands over next 1 - 2 months
-50% probability of not being able to meet water supply demands over next month
Actions

-Year round Water Conservation Program emphasizing "Wise Water Use"
-Routine reporting- Annual briefing in May- Monthly Water and Drought Outlooks (June-Oct)

- Meeting of the Drought Coordination Committee
- Regional media briefing/media communications;
- Announce voluntary water conservation recommendations
- Detailed water supply and drought status reporting; outline of next steps in plan;
- Inform public that Potomac River Co-op Water Supply is adequate to meet unrestricted demands
- Press release upon first water supply release: reporting on a weekly basis thereafter
- Press release when water supply storage at Jennings Randolph and Little Seneca reservoirs drops to 75% of capacity.
- Press releases/briefings to include voluntary water conservation recommendations
-Meeting of the Drought Coordination Committee
-Announcement of voluntary water restrictions (see attachment C-illustrative list)
- Regional media briefing on a weekly basis/ongoing media communications
-Meeting of the Drought Coordination Committee
- Announcement of mandatory water restrictions (see attachment C-illustrative list )
- WAD assigns allocations to Potomac River utilities (per Low Flow Allocation Agreement)
- Regional press conference on daily basis; ongoing media communications
- Water supply reporting on a daily basis
Messages

Wise Water Use Messages:
-
Wise water use--focus on inside uses: repairing plumbing problems/leaks

General Information Messages:
-
Know your water sources and suppliers
- Water supply outlook
- Regional response to drought (here is how the region is prepared to respond)
-
Promotion of web site(s)

Voluntary Water CONSERVATION Messages:
-Emphasis on water conservation outside the home or office--
- Reminders about year round wise water uses

General Information Messages:
- Know your water sources and suppliers
- Co-op water supply system outlook
- Impact on groundwater users, environment, non-co-op water systems, and agriculture
- Water supply conditions have deteriorated, but Co-op water supply system still adequate
- Reminder that reservoir releases are planned events
- Understanding of current water supply and hydrologic and soil moisture conditions
- Reminders of the next steps if conditions worsen

Voluntary Water RESTRICTIONS
Messages:
-Public and businesses asked to voluntarily implement water restrictions to help ensure adequate water supply and maintain reservoir levels
- Detailed list of voluntary water restrictions issued

General Information Messages:
-Know your water source
- Water supply conditions have deteriorated, but Co-op system water supply still adequate
- Co-op water supply system outlook
- Reminders of the next steps if conditions worsen

Mandatory Water RESTRICTIONS Messages
-Public and businesses required to implement water restrictions to maintain water supplies
-Detailed list of mandatory reductions issued

General Information Messages:
-Water supply very limited; ater use reductions essential
Know your water source
Co-op water supply outlook


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Drought Stage Guide
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