CWCountyWikiIndependent guide to local services
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San Bernardino, California · City government

Ontario municipal service information and referrals

Find water provider, account and billing information.[2] Find sewer provider and service information.[5]

Source checked October 26, 2026[3]
Go to the official website (opens in a new tab)
Website address
ontarioca.gov

Opens this office’s own website. CountyWiki does not process applications, take payments or provide personal records.

Contact details & office locations ↓
Use each linked page to find Ontario’s named department or contracted provider, available channels and local instructions. Service areas, customer accounts and programme eligibility follow that provider’s published limits.Ontario municipal information and referral context; actual provider, route, customer and programme limits apply [1]

Online services & information

Use the links below for official services and provider information. Check each service’s instructions and service area.

Water provider and billing information — Ontario (Municipal Utilities Company) (opens in a new tab)[2]Official instructions

Find Ontario information and provider instructions for this topic. Check the listed location, customer and programme limits.

Service area: Ontario municipal information/referral context; the linked provider’s actual service and eligibility limits apply [1]

How to get started
  1. Read the official information page and identify the department or provider for your issue.
  2. Follow the published topic, location, customer and programme conditions before using any reporting, registration or account channel.
Sewer service information — Ontario (Municipal Utilities Company) (opens in a new tab)[5]Official instructions

Find Ontario information and provider instructions for this topic. Check the listed location, customer and programme limits.

Service area: Ontario municipal information/referral context; the linked provider’s actual service and eligibility limits apply [4]

How to get started
  1. Read the official information page and identify the department or provider for your issue.
  2. Follow the published topic, location, customer and programme conditions before using any reporting, registration or account channel.

Fees

Fees are quoted only when a source document supports the amount and conditions.

Fee amounts have not been reviewed for this office.

Check the official website for its current fee schedule. No fee should be assumed to be free.

Forms & documents

Official forms and document pages for this office’s services.

Forms have not been reviewed yet. Visit the official website for the current forms and instructions.

Sources & last checked2 source pages · 5 citations

Sources were checked by an AI-assisted research process. A checked website does not mean every service or fee on it has been reviewed.

  1. [1] Ontario — Municipal Utilities municipal information (opens in a new tab)

    City of Ontario · Municipal publisher/city context in captured page body; city browsing context only
    Source reviewed October 26, 2026

    View supporting excerpt
    Ontario, CA 91761
  2. [2] Ontario — Municipal Utilities municipal information (opens in a new tab)

    City of Ontario · Reviewed task-specific main content under Municipal Utilities Company; information landing only
    Source reviewed October 26, 2026

    View supporting excerpt
    The Ontario Municipal Utilities Company (OMUC) provides safe, efficient, and economical production, transmission and distribution of the City's domestic water supply and uninterrupted wastewater collection services with an emphasis on excellent customer service, sustainability, and environmental stewardship.
  3. [3] City of Ontario — municipal service discovery (opens in a new tab)

    City of Ontario · Captured official municipal website identity; information/referral gateway, not an operating department
    Source reviewed October 26, 2026

    View supporting excerpt
    Porto's Bakery and Café Coming to Ontario
  4. [4] Ontario — Municipal Utilities municipal information (opens in a new tab)

    City of Ontario · Municipal publisher/city context in captured page body; city browsing context only
    Source reviewed October 26, 2026

    View supporting excerpt
    Ontario, CA 91761
  5. [5] Ontario — Municipal Utilities municipal information (opens in a new tab)

    City of Ontario · Reviewed task-specific main content under Municipal Utilities Company; information landing only
    Source reviewed October 26, 2026

    View supporting excerpt
    The Ontario Municipal Utilities Company (OMUC) provides safe, efficient, and economical production, transmission and distribution of the City's domestic water supply and uninterrupted wastewater collection services with an emphasis on excellent customer service, sustainability, and environmental stewardship.
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