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: sanbruno.ca.gov

 

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

 44,409

Number of Accounts

11,493

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)

3.05

Avg. Day Purchases From SF RWS (mgd)

0.86

%  Demand Met With SF RWS Supplies

28%

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 14-15
(ccf)

Actual
FY 15-16
(ccf)

Actual
FY 16-17
(ccf)

Actual
FY 17-18
(ccf)

San Francisco Water

584,392

637,586

383,693

419,589

San Francisco Water - Supplemental

0

83,663

895,413

890,214

Local Groundwater

922,147

777,032

129,317

0

Surface Water

0

0

0

0

Recycled Water

0

0

0

0

Other (North Coast CWD)

23,361

21,622

21,121

23,411

Total

1,529,900

1,519,903

1,429,544

1,488,555

mgd equivalent

3.14

3.11

2.93

3.05

 

 

 

 

 

Demand by Sector

 

 

 

 

Residential

1,041,912

1,022,388

974,044

944,938

Commercial/Industrial

304,363

285,374

55,469

271,679

Other

61,674

60,761

58,938

67,522

Unaccounted for

121,951

151,380

341,093

204,416

Total

1,529,900

1,519,903

1,429,544

1,488,555

mgd equivalent

3.14

3.11

2.93

3.05

 

 

 

 

 

Per Capita Use

Actual
FY 14-15
(gpcpd)

Actual
FY 15-16
(gpcpd)

Actual
FY 16-17
(gpcpd)

Actual
FY 17-18
(gpcpd)

Residential

49

47

45

47

Gross

72

70

66

69

 

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