RECOMMENDED

ACTION PLAN FOR RANCHO CALAVERAS ESTATES

AUGUST 9, 2006

 

·       WATER CONSERVATION PRACTICES (IN PLACE AND CONTINUE THROUGH SEPTEMBER 30, 2006)*

 

·       WATER CONSERVATION PROGRAM FOR 2007 (PROGRAM NEEDS TO BE DEVELOPED BY STAFF AND PERSONNEL HIRED TO IMPLEMENT)

 

·       REMOVE 4-INCH VALVE AND SHORT SECTION OF 4-INCH PIPE AND REPLACE IT WITH AN 8-INCH VALVE & PIPE (PENDING-DISTRICT STAFF)

 

·       RELOCATE CERTAIN PRESSURE RELIEF VALVES AND REDUCE NUMBER OF CUSTOMERS CURRENTLY SERVED IN THE “B-ZONE”  (ON-GOING & PENDING- DISTRICT STAFF)

 

·       “602 TANK” CONSTRUCTION (UNDER CONTRACT-MASTER PLAN)

 

·       CONNECT SYSTEM AT “JENNY LIND APPROACH ROAD” BY INSTALLING APPROXIMATELY 2500 LINEAR FEET (LF) OF NEW PIPING AND BY REPLACING APPROXIMATELY 600 LF OF EXISTING PIPE IN THE “602 ZONE” (CONTRACT CONSTRUCTION PROJECT NEEDS BOARD AUTHORIZATION- IDENTIFIED IN MASTER PLAN)

 

·       PURCHASE 2 NEW PUMPS AT “A-TANK” AS BACKUPS TO FLOW WATER TO “B-TANK” & “E-TANK” (PENDING EQUIPMENT DELIVERY; ESTIMATED COST -$75,000)

 

·       OTHER POTENTIAL OPTIONS THAT CAN BE CONSIDERED AT A LATER DATE AS NECESSARYT:

 

1.     EXPAND “A-TANK” PRESSURE ZONE BY EXTENDING

PIPELINE ON HARTVICKSON LANE (LONG-TERM)

2.     CONSTRUCT ADDITIONAL STORAGE TANKS (LONG-TERM)

3.     CONSTRUCT ADDITIONAL AND/OR RECONSTRUCT EXISTING

TRANSMISSION PIPELINES SERVING EXISTING TANKS (LONG-TERM)

4.     REPLACE “A-1 TANK” WITH NEW STEEL TANK

 

*VOLUNTARY WATER CONSERVATION-ODD/EVEN WATERING DAYS AND NO WATERING BETWEEN THE HOURS OF 10:00AM & 6:00PM.

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JENNY LIND WATER TREATMENT PLANT

HISTORICAL WATER USE-AVERAGE DAY DEMAND (ADD)

PER CONNECTION

 

 

     YEAR*                                             AVERAGE WATER USE

 

1985                                                              405 GALLONS PER CONNECTION PER DAY

 

1990                                                              442 GALLONS PER CONNECTION PER DAY

 

1995                                                              457 GALLONS PER CONNECTION PER DAY

 

2000                                                              524 GALLONS PER CONNECTION PER DAY

 

2005                                                              583 GALLONS PER CONNECTION PER DAY

 

 

      Average water use increased by 178 gallons per connection per

      day from 1985 to 2005, or by 44%.

 

 

      Current System Design Standards: Average Day Demand (ADD) as

      Adopted is 750 gallons per day (GPD) per connection and Maximum

      Day Demand (MDD) is 1500 GPD per connection.

 

 

·       1985 data is used as the base year with 1990, 1995, 2000, & 2005

data reflecting the 5-year average for use.

 

 

Connections to Jenny Lind WTP: 1985-907; 2005-3528.

 

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JENNY LIND WATER TREATMENT PLANT

HISTORICAL WATER USE- MAXIMUM DAY DEMAND (MDD)

PER CONNECTION

 

 

     YEAR*                                           AVERAGE WATER USE

 

1985                                             838 GALLONS PER CONNECTION PER DAY

 

1990                                             936 GALLONS PER CONNECTION PER DAY

 

1995                                             973 GALLONS PER CONNECTION PER DAY

 

2000                                         1322 GALLONS PER CONNECTION PER DAY

 

2005                                         1333 GALLONS PER CONNECTION PER DAY

 

 

     Average maximum day water use increased by 495 gallons per

     connection per day from 1985 to 2005, or by 59%.

 

      Current System Design Standards: Average Day Demand (ADD) as

      adopted is 750 gallons per day (GPD) per connection and Maximum

      Day Demand (MDD) is 1500  GPD per connection.

 

      *1985 data is used as the base year with 1990, 1995, 2000, 2005 data

      reflecting the 5-year average use.

 

      Note: Water use in the Rancho Calaveras Subdivision exceeded 1780

      Gallons per connection per day on certain days during the weeks of

      July 16th & 23rd, 2006.

 

      Connections to Jenny Lind WTP: 1985-907: 2005- 3528.