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customer care

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July 22, 2025 9:15AM
July 22, 2025 9:15AM
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customer care

Temporary Construction Meters application process

HYDRANT CONSTRUCTION / FLUSHING CONSTRUCTION METERS

Temporary Construction Meters (TCM) are for water use on construction projects. Please check FAQ below or email plancheck@IRWD.com for more information.

STEP 1: Download TCM Application

STEP 2: Deliver printed application for review and approval to Development Services: 

IRWD Main Lobby
15600 Sand Canyon Ave.
Irvine, CA 92618

Open Monday-Friday, 8 a.m.-5 p.m.
Please arrive by 4:30 p.m.
Closed alternating Fridays and holidays

STEP 3: Submit processed application and check deposit to the Customer Service Counter for account setup and meter installation coordination. Please note the lead time of one (1) business day. Meter cannot be transferred to other companies or developers. Company Tax I.D. is required on application.

TCM Photo Ra

REMINDERS

As of July 2025, IRWD will be installing backflow devices on all construction domestic hydrant water meters.


Questions?
See FAQ below or email plancheck@IRWD.com.

View: Backflow specifications (pdf)

 

Hydrant Construction Meter

Flushing Construction Meter

TCM Application

Complete application

Exhibits

 

Printed hydrant location map showing:

  • Aerial of project, Major cross streets & street names
  • Nearest property address to hydrant
  • Signed Hydrant Meter Backflow Plan

Printed set of Approved Plans (11”x17”):

  • IRWD Code ####
  • Vicinity Map

Hydrant Address

Nearest address to hydrant

n/a

Deposit Amount
Check payable to IRWD

See Temporary Water Service Connections Section of current
IRWD Rates and Charges for meter deposit amounts.

Water Usage

Estimated total in gallons or truck fills per day

n/a

Use Duration

Anticipated start and end date

n/a

Hydrant Color

Yellow = Domestic Water

Purple = Recycled Water

Red = Private Fire Hydrant (requires written approval from property owner)

n/a

Activity Use

Provide reason for temporary meter:

  • Dust Control, Land Establishment, Street Sweeping, Mixing Concrete, Sales/Construction Trailer, etc.
  • Sales/Construction trailer require backflow device and plan approval prior to installation. Submit civil engineering plans to Development Services at plancheck@IRWD.com.

n/a

 

 

Backflow Assembly Testers

All testing must be done by an AWWA licensed backflow assembly tester. View list of testers

 


Temporary Construction Meter FAQ

Why have the TCM backflow requirement changed?+
What is the process for damage to a TCM, and does it get taken from the deposit or invoice?+
Can the application be processed online?+
Can I install a TCM on a red hydrant?+
My hydrant is purple. What does that mean?+
What is the turnaround time/processing time for TCM?+
Does the deposit for the temporary construction meter need to be made by check?+
Can I have a floating meter?+
How do I request a TCM Transfer (move an existing TCM)?+
What are the rates and charges for a Temporary Construction Meter?+