Learning our Watersheds: Dominguez Channel

Recently, right here on the LA Stormwater blog, Joe Linton of the popular LA Creek Freak asked us to learn a bit more about our watersheds. That’s a suggestion we fully embrace, so we are here to help.

If you live in Southern LA County in the communities of Inglewood, Hawthorne, El Segundo, Gardena, Lawndale, Redondo Beach, Torrance or Carson, you likely reside in the 110 square mile Dominguez Channel Watershed.

Most of this land is developed to handle runoff and when it rains water flows through our streets to the storm drains where it enters the stormwater system, in this case the Dominguez Channel, and then directly to the Pacific Ocean untreated. The Dominguez Channel extends all the way from LAX to the Los Angeles Harbor.

Currently there are a number of Prop O projects that directly impact the Dominguez Channel and LA Harbor Watershed, including the Machado Lake Restoration Project, Rosecrans Recreation Center Stormwater Enhancements, the Peck Park Canyon Water Quality Improvement Project, Inner Cabrillo Beach Bacterial Water Improvement Project and the Wilmington Drain Multi-use Project.

All of these projects are being implemented in order to improve stormwater pollution and increase the watershed’s ability to handle runoff in a more efficient and environmentally friendly manner. Take a virtual tour of the Dominguez Channel on the Los Angeles County Department of Public Works site.

Do you live in the Dominguez Channel watershed? Which Prop O improvement project are you most excited about?

*Photo Courtesy of City of Hawthorne

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Comments (3)

  1. Avatar for LA Stormwater
    Sofia
    March 23rd, 2011 at 7:27 pm

    Actually, only the Rosecrans Recreation Center project is in the Dominguez Channel watershed. The other projects do not drain to Dominguez Channel, they drain directly to the Harbor. This is a common mistake made because the Dominguez Channel, Machado Lake, and Harbor watersheds have been grouped together by the State of California for planning purposes and collectively called the “Dominguez Channel Watershed Management Area”, but this does not accurately represent the actual drainage area to the Dominguez Channel itself, which is approximately 64 square miles.

    Sorry to be nitpicky, but just want to make sure people are getting the correct info about their watershed. To correct your statement, Rosecrans is the only project that has a direct impact on the Dominguez Channel.

  2. Avatar for LA Stormwater
    Sofia
    March 23rd, 2011 at 7:36 pm

    Just to add, though the other project don’t have an impact on Dominguez Channel, they will have a positive impact on the Machado Lake and Harbor watersheds, which will benefit the LA City communities of Harbor City, Wilmington, and San Pedro.

    • Avatar for LA Stormwater
      LA Stormwater
      March 30th, 2011 at 7:48 am

      Hi Sofia. Thanks so much for your comments and sharing with us your knowledge of the Dominguez Channel! Sorry for the delayed response but we were working on getting your comment over to the right person in our department to help shed some additional light on this issue. While these projects do not necessarily impact the channel itself, they do fall within the watershed as defined by the City of LA and the State of California. According to the Watershed Protection Division, it all comes down to preference in terminology. We have revised the post so it is a bit more clear that currently there are a number of Prop O projects that directly impact the Dominguez Channel and LA Harbor Watershed.

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