Milpitas, City of

Public Works Department

455 East Calaveras Boulevard
Milpitas, California  95035-5411

Phone: (408) 586-3300                               Fax: (408) 586-3305

Web: ci.milpitas.ca.gov

 

Service Area

 

The City of Milpitas is located in northeastern Santa Clara County.

 

System

 

Profile

 

Area Size

13.6 square miles

Service Population

77,961

Number of Accounts

16,797

Number of SF RWS Connections

4 - Sunnyhills (Washington), Calaveras, Main (Hammond), and Gibraltar Tank (intertie).

Connections To SF RWS Mains

BDPL 3 and 4

Avg. Day Demand (mgd)

9.41

Avg. Day Purchases From SF RWS (mgd)

5.43

%  Demand Met With SF RWS Supplies

57.7%

Maximum Local Water Production (mgd)

0

Alternative Supply Sources

Santa Clara Valley Water District (SCVWD), South Bay Water Recycling (SBWR), Pinewood Well

Interties With Other Agencies

Alameda County Water District (ACWD), San Jose Water Company (SJWC)

Local Storage (mg)

16.3

Days of Storage

1.4 - All 6 zones can meet the 8 hr criteria, ranging from 9 hours to 31 hours at maximum day.

 

Summary

 

The City of Milpitas owns and operates its own water utility. The northern and eastern areas are supplied primarily by the SF RWS, while the remaining areas are supplied by SCVWD. With some exceptions, residents receive SF RWS water, while industrial and commercial areas receive SCVWD water. The City does not blend SF RWS and SCVWD waters under normal operations, but they can be blended during emergency situations.

 

The City’s distribution system consists of 5 turnouts, 9 pressure regulator valves, 4 emergency pressure regulator valves, 5 pumping stations, 5 storage tanks, and 1 well.

 

The City has emergency interties with ACWD to the north and SJWC to the south. The City has one well, Pinewood Well, which can provide water to one SF RWS-supplied zone during emergencies. Another well is under construction to supplement water supply during emergencies.

 

Since 1997, the City has been receiving non-potable recycled water from South Bay Water Recycling (SBWR) Program.

 

Water Supply and Demand

 

Supply by Source

Actual
FY 17-18
(ccf)

Actual
FY 18-19
(ccf)

Actual
FY 19-20
(ccf)

Actual
FY 20-21
(ccf)

San Francisco Water

2,538,687

2,585,031

2,886,833

2,647,856

Santa Clara Valley WD

1,378,578

1,385,528

1,226,711

1,526,474

Recycled Water

490,724

489,032

469,458

415,177

Other

0

0

0

0

Total

4,407,724

4,459,591

4,583,002

4,589,507

mgd equivalent

9.03

9.14

9.39

9.41

 

 

 

 

 

Demand by Sector

 

 

 

 

Residential

2,103,592

1,977,850

1,946,099

2,152,431

Commercial/Industrial

1,036,680

1,060,313

846,889

891,128

Other

138,794

144,921

111,402

103,921

Dedicated Irrigation

963,856

943,171

901,527

753,134

Non-Revenue Water

165,067

333,336

777,085

688,893

Total

4,407,724

4,459,591

4,583,002

4,589,507

mgd equivalent

9.03

9.14

9.39

9.41

 

 

 

 

 

Per Capita Use

Actual
FY 17-18
(gpcpd)

Actual
FY 18-19
(gpcpd)

Actual
FY 19-20
(gpcpd)

Actual
FY 20-21
(gpcpd)

Residential

55

54

51

57

Gross (Less Recycled Water)

103

113

108

110

 

Facilities and Distribution

 

Storage Reservoirs

 

Designation

Type

Capacity (mg)

SFPUC – Gibraltar

Prestressed Concrete

5.00

SFPUC – Ayer

Prestressed Concrete

5.60

SFPUC – Tularcitos

Steel

0.31

SFPUC – Minnis

Steel

0.35

SCVWD – Gibraltar

Prestressed Concrete

5.00

Total

 

16.26

 

Wells

 

 

 

Interties

 

 

Name

Capacity (mgd)

Status

 

Name

No.

Diameter
(in.)

Pinewood*

1.7

Active

 

SCVWD*

41

6 - 24

Total

1.7

 

 

SJWC

1

6

*Emergency use

 

 

ACWD

2

8

 

 

 

 

*Emergency and Isolation Valves included.