San Bruno, City of

Public Works - Water Division

567 El Camino Real

San Bruno, California  94066

Phone: (650) 616-7065                               Fax: (650) 794-1443

Web: http://www.sanbruno.ca.gov/city_services/public_works/utilities/water.html

 

Service Area

 

The City of San Bruno is located in north San Mateo County. San Bruno is a residential community with regional commercial and light industrial development. The Public Works Water Division’s service area includes the City of San Bruno and unincorporated areas of the County.

 

System

 

Profile

 

Area Size

6.1 square miles

Service Population

 43,798

Number of Accounts

9,524

Number of SF RWS Connections

5

Connections To SF RWS Mains

Crystal Springs # 2 and #3, San Andreas 1, 2, and 3, Sunset Pipeline

Avg. Day Demand (mgd)

3.14

Avg. Day Purchases From SF RWS (mgd)

 1.20

%  Demand Met With SF RWS Supplies

38.2%

Maximum Local Water Production (mgd)

1.90

Alternative Supply Sources

Local Groundwater

Interties With Other Agencies

North Coast CWD, CWS - South San Francisco

Local Storage (mg)

8.3

Days of Storage

2.5 - Length of storage based on loss of all sources of supply. All zones can meet the 8 hr criteria either separately or by pumping from zones with excess capacity. Well water could meet partial demand in an emergency.

 

Summary

 

The City of San Bruno receives its water through 5 San Francisco Public Utilities Commission turnouts and from 5 deep-water wells. The City also purchases water from the North Coast County Water District. The Public Works Water Division maintains a distribution system that includes 13 pressure zones, 21 pumps, 8 water tanks, 900 hydrants, and 100 miles of mains.

 

SF RWS water is filtered by the Harry Tracy plant (San Andreas Reservoir) and supplied to upper elevation areas of the community. Crystal Springs Supply Lines #2 or #3 deliver to the lower elevations. The groundwater is blended with water from SF RWS; the combined water supply meets all MCLs.

 

Water Supply and Demand

 

Supply by Source

Actual
FY 11-12
(ccf)

Actual
FY 12-13
(ccf)

Actual
FY 13-14
(ccf)

Actual
FY 14-15
(ccf)

San Francisco Water

1,017,925

946,503

779,582

584,392

Local Groundwater

730,179

782,464

948,253

922,147

Surface Water

0

0

0

0

Recycled Water

0

0

0

0

Other (North Coast CWD)

21,903

23,128

19,887

23,361

Total

1,770,007

1,752,095

1,747,722

1,529,900

mgd equivalent

3.63

3.59

3.58

 3.14

 

 

 

 

 

Demand by Sector

 

 

 

 

Residential

1,200,059

1,220,423

1,169,527

1,041,912

Commercial/Industrial

331,601

359,328

325,988

304,363

Other

73,321

81,418

98,441

61,674

Unaccounted for

165,026

90,926

153,766

121,951

Total

1,770,007

1,752,095

1,747,722

1,529,900

mgd equivalent

3.63

3.59

 3.58

3.14

 

 

 

 

 

Per Capita Use

Actual
FY 10-11
(gpcpd)

Actual
FY 11-12
(gpcpd)

Actual
FY 12-13
(gpcpd)

Actual
FY 13-14
(gpcpd)

Residential

59

62

55

49

Gross

88

87

82

72

 

Facilities and Distribution

Storage Reservoirs

 

Designation

Type

Capacity (gallons)

Storage Tank 1

Steel

2,500,000

Storage Tank 3

Concrete

2,000,000

Storage Tank 4

Steel

1,000,000

Storage Tank 6

Steel

400,000

Storage Tank 6A

Steel

1,000,000

Storage Tank 7

Steel

400,000

Storage Tank 9

Steel

500,000

Storage Tank 10

Steel

500,000

Total

 

8,300,000

 

Wells

 

Name

Capacity (mgd)

Status

Well 15**

0.26

Active

Well 16**

0.72

Active

Well 17*

0.40

Active

Well 18**

0.29

Active

Well 20**

0.85

Active

Total

2.52

 

 

Interties

 

Name

No.

Diameter
(in.)

North Coast

2

21

CWS

1

8