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  2. 'Thousand-year storm' leaves San Diego reeling from ... - AOL

    www.aol.com/news/thousand-storm-leaves-san-diego...

    Hundreds of San Diego homes and businesses were damaged or ruined in devastating floods after punishing rainfall fell Monday during a 'thousand-year storm.'

  3. Backflow - Wikipedia

    en.wikipedia.org/wiki/Backflow

    Backflow is a term in plumbing for an unwanted flow of water in the reverse direction. [1] It can be a serious health risk for the contamination of potable water supplies with foul water . In the most obvious case, a toilet flush cistern and its water supply must be isolated from the toilet bowl.

  4. List of California floods - Wikipedia

    en.wikipedia.org/wiki/List_of_California_floods

    As a result of this flood, the Army Corps of Engineers and the County of Los Angeles built a flood control system of catch basins and concrete storm drains to prevent a repeat of the disaster. February 4–7, 1937 – A storm resulted in the highest four-day rainfall totals at several stations in the Santa Ana River basin.

  5. Drain-waste-vent system - Wikipedia

    en.wikipedia.org/wiki/Drain-waste-vent_system

    A sewer pipe is normally at neutral air pressure compared to the surrounding atmosphere.When a column of waste water flows through a pipe, it compresses air ahead of it in the system, creating a positive pressure that must be released so it does not push back on the waste stream and downstream traps, slow drainage, and induce potential clogs.

  6. On Today's Date: When It Snowed In L.A. And San Diego - AOL

    www.aol.com/news/todays-date-snowed-l-san...

    Snow in California is typical in the high country each winter. But from Jan. 10-12, 1949, 76 years ago, it snowed in both Los Angeles and San Diego. Not just in the mountains, but even to the ...

  7. CCTV drain camera (plumbing) - Wikipedia

    en.wikipedia.org/wiki/CCTV_drain_camera_(plumbing)

    In the plumbing world, CCTV drain cameras are commonly used to detect and locate potential problems, such as debris buildups, collapsed pipe sections, root infestations, and pipe offsets. By providing a clear visual of the interior of the drainage system, these cameras help professionals diagnose issues accurately and plan effective solutions. [5]

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