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WATER COMPREHENSIVE PLANNING
May 2001 Water Comprehensive Plan
The Sammamish Plateau Water & Sewer District adopted the 2001 Water
Comprehensive Plan in May 2001. The 2001 Plan was comprehensive, considering
all aspects of provision of water service. The District is required to
do a comprehensive update the Water Comprehensive Plan at least every
6-years.
One of the main components of the 2001 Plan
was the consideration of water supply. The 2001 Plan considered many supply
alternatives, and identified four source of supply combinations that could
be pursued to meet the District’s projected demands.
| Alternative 1 |
Relies on groundwater supplies only,
and requires new groundwater rights be obtained from the Department
of Ecology. |
| Alternative 3 |
Connection to the regional water system supplements
the District’s existing groundwater supplies. The connection
would be to the north of the District. Portions of the District’s
service area would receive only groundwater, but most of the Plateau
Zone would receive a blend of surface and groundwater. |
| Alternative 4 |
Connection to the regional water system supplements
the District’s existing groundwater supplies. The connection
would be to the south of the District. The District’s Cascade
View service area would receive only groundwater, but all of the Plateau
Zone would receive a blend of surface and groundwater. |
| Alternative 18 |
Connection to the regional water system supplements
the District’s existing groundwater supplies. The connection
would be to the south of the District. Portions of the District’s
service area would receive only groundwater, but most of the Plateau
Zone would receive a blend of surface and groundwater. |
Alternative 3, utilizing a northern connection
to the Regional Water System to supplement the groundwater rights in the
Plateau Zone, was chosen as the primary alternative.
2001 Water Comprehensive Plan
September
2002 Regional Water Pipeline North Alignment Report
To pursue implementation of Alternative 3, as described in the 2001 Water
Comprehensive Plan, the District completed a report identifying potential
alignments for the pipeline required to connect to the Regional Water
System north of the District.
Regional Water
Pipeline North Alignment Report
2002 Water Comprehensive Plan Amendment
The North Alignment Report provided information that allowed the District
to reconsider which supply alternative would be best to pursue. In addition
to the North Alignment Report the District considered the identification
of the Cascade Water Alliance (CWA) as the most likely supplier of regional
water, and actions taken by CWA that would facilitate implementing water
supply alternatives with a southern connection.
Following consideration of all new information
the District changed the primary alternative for water supply to Alternative
18, utilizing a southern connection to the Regional Water System to supplement
the groundwater rights in the Plateau Zone.
2002
Water Comprehensive Plan Amendment
2007
Water Comprehensive Plan Update
The District will be updating the Water Comprehensive Plan for
submittal in 2008.
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