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

11,455

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)

2.82

Avg. Day Purchases From SF RWS (mgd)

2.49

%  Demand Met With SF RWS Supplies

88%

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 15-16
(ccf)

Actual
FY 16-17
(ccf)

Actual
FY 17-18
(ccf)

Actual
FY 18-19
(ccf)

San Francisco Water

637,586

383,693

419,589

420,116

San Francisco Water - Supplemental

83,663

895,413

890,214

793,401

Local Groundwater

777,032

129,317

155,341

139,612

Surface Water

0

0

0

0

Recycled Water

0

0

0

0

Other (North Coast CWD)

21,622

21,121

23,411

21,622

Total

1,519,903

1,429,544

1,488,555

1,374,751

mgd equivalent

3.11

2.93

3.05

2.82

 

 

 

 

 

Demand by Sector

 

 

 

 

Residential

1,022,388

974,044

944,938

1,032,586

Commercial/Industrial

285,374

55,469

271,679

269,983

Other

60,761

58,938

67,522

72,182

Non-Revenue Water

151,380

341,093

204,416

0

Total

1,519,903

1,429,544

1,488,555

1,374,751

mgd equivalent

3.11

2.93

3.05

2.82

 

 

 

 

 

Per Capita Use

Actual
FY 15-16
(gpcpd)

Actual
FY 16-17
(gpcpd)

Actual
FY 17-18
(gpcpd)

Actual
FY 18-19
(gpcpd)

Residential

47

45

47

48

Gross

70

66

69

63

 

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