Hillsborough, Town of

Water Department

1600 Floribunda Avenue

Hillsborough, California  94010-6498

Phone: (650) 375-7402                               Fax: (650) 375-7444

Web: http://www.hillsborough.net/depts/pw/water/default.asp

 

Service Area

 

The Town of Hillsborough, located in central San Mateo County, is a single family residential community zoned for residential estates. The Town’s service area includes the Town of Hillsborough and portions of unincorporated San Mateo County.

 

System

 

Profile

 

Area Size

6.25 square miles

Service Population

10,869

Number of Accounts

4,267

Number of SF RWS Connections

9 Turnouts, 12 meters

Connections To SF RWS Mains

Crystal Springs #2, Sunset Pipeline

Avg. Day Demand (mgd)

2.15

Avg. Day Purchases From SF RWS (mgd)

2.15

%  Demand Met With SF RWS Supplies

100.0%

Maximum Local Water Production (mgd)

0

Alternative Supply Sources

None

Interties With Other Agencies

Burlingame, CWS - San Mateo

Local Storage (mg)

8.29 (max capacity)

Days of Storage

2.2 - All zones can meet the 8 hr criteria either separately or by pumping from zones with excess capacity.

 

Summary

 

The Town of Hillsborough purchases all of its water from the SF RWS via 12 meters in 9 turnouts located off San Francisco's Sunset and Crystal Springs #2 supply lines, which provide potable water to customers in 5 pressure zones.

 

The Town owns and operates its own water utility. The distribution system consists of 16 pressure zones, 14 pump stations, 18 storage tanks, and 107 miles of mains.

 

There are no wells or alternate sources within the district.

 

Water Supply and Demand

 

Supply by Source 1

Actual
FY 12-13
(ccf)

Actual
FY 13-14
(ccf)

Actual
FY 14-15
(ccf)

Actual
FY 15-16
(ccf)

San Francisco Water

1,609,532

1,599,812

1,226,777

1,050,944

Resale SF RWS (CWS)

0

0

0

0

Local Groundwater

0

0

0

0

Surface Water

0

0

0

0

Recycled Water

0

0

0

0

Other

0

0

0

0

Total

1,609,532

1,599,812

1,226,777

1,050,944

mgd equivalent

3.30

3.28

2.51

2.15

 

 

 

 

 

Demand by Sector 2

 

 

 

 

Residential

1,417,783

1,459,092

1,176,162

883,507

Commercial/Industrial

7,000

0

4,826

5,637

Institutional/Other

13,517

23,485

13,090

10,992

Dedicated Irrigation

5,563

22,319

23,941

17,607

Unaccounted for

155,669

94,916

8,758

133,201

Total

1,6-9,532

1,599,812

1,226,777

1,050,944

mgd equivalent

3.30

3.28

2.51

2.15

 

 

 

 

 

Per Capita Use

Actual
FY 12-13
(gpcpd)

Actual
FY 13-14
(gpcpd)

Actual
FY 14-15
(gpcpd)

Actual
FY 15-16
(gpcpd)

Residential

268

275

222

167

Gross

304

302

231

198

  1. SFPUC billing is based on monthly meter readings.
  2. Hillsborough retail sales are based on bi-monthly reading of customers’ meters.

Note: Some minor population and water supply errors were discovered in FYs 08-10, and have not been corrected here. These errors are not significant, and corrected data can be provided by the Town of Hillsborough on request.

Facilities and Distribution

Storage Reservoirs

Designation

Type

Capacity (gallons)

Forest View Tank 1

Steel

280,000

Forest View Tank 2

Steel

675,000

Skyfarm II Tank 1

Steel

65,000

Skyfarm II Tank 2

Steel

65,000

Skyfarm III Tank 1

Steel

700,000

Skyfarm III Tank 2

Steel

700,000

Darrell Tank 1

Steel

500,000

Darrell Tank 2

Steel

500,000

Darrell Tank 3

Steel

1,000,000

El Arroyo Tank 1

Steel

516,000

El Arroyo Tank 2

Steel

516,000

Major Hayes Tank

Steel

250,000

Vista Tank

Steel

350,000

Marlborough Tank 1

Steel

250,000

Marlborough Tank 2

Steel

350,000

Tournament Tank 1

Steel

600,000

Tournament Tank 2

Steel

600,000

Total

 

7,917,000

 

Interties

 

Name

No.

Diameter
(in.)

CWS -San Mateo

4

2*, 6, 6, 8

Burlingame

3

6, 8, 10

*2-inch galvanized steel pipe is considered non-functional as an intertie.