How to Use the LA River Index

Here's an overview of the LA River Index.

What is the River Index, exactly?

The River Index is an online resource full of data about the Los Angeles River and the communities it runs through. It’s been broken into nine sections, but really can be looked at through three lenses: People, water, and nature*. The table shows a breakdown of topics covered in the index:

People

Water

Nature

Programming

Water Recharge

Ecology & Habitat

Transportation

Water Quality

Greenhouse Gases

Public Health & Social Equity

Flood Risk Management

Open Space & Parks 

*These topics are all connected. This is just one way of categorizing the incredible amount of data from the River Index! 

Each of these sections has an incredible amount of data, including the history of the issues and facts about existing conditions, so get ready for some knowledge. 

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How should I use this resource?

The River Index is a free, public resource that anyone can use. It’s a great starting point for individuals, schools, and organizations exploring topics related to the LA River and the neighborhoods near it. We do ask that you link out this resource so other folks can find and use it!

So, how’s it work?

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Let's use an example.

Let’s say you want to write a blog for your organization about water quality in the Los Angeles area. On the LA River Index homepage, click to the Water Quality section of the website.

Once you’re within this section, you’ll notice an overview of the content and the goals around the issue. In this example, the content around Water Quality is aimed at ‘improving river water quality to positively impact our natural ecosystem.’ 

As you scroll down the Water Quality page, you’ll notice a few things:

Some favorite statistics:
These topics have an unbelievable amount of data. On the issue homepages, we try to highlight data points we find particularly interesting. Did you know 98% of the original LA River watershed’s native wetlands have been lost? Bummer, we know, but understanding these issues and this research is where change begins! 

‘Explore This Topic’
This section, found on the toolbar to the left, offers all the additional information about the topic you’re researching. For Water Quality, this includes Issues and Improvements. As you select and explore these tabs, you’re taken deeper into the content and provided with additional, related content.

‘Related Topics’
Pretty straightforward here, but you can explore the other topics as they relate to Water Quality by selecting the options under this header. For Water Quality, this includes ‘Integrated Regional Water Management Plan.’ Selecting the options under Related Topics will sometimes kick you over to a resource on another site, like the Greater Los Angeles County Region Integrated Regional Water Management Plan.

Have fun with it! Who doesn’t love data relevant to your community? If you have troubles or questions as you’re clicking around, feel free to reach out to info@riverla.org. We’re here and happy to help! (And we really love river data.)

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What’s this ‘Toolset’ section about?

The toolset is designed to help folks evaluate opportunities and projects along the river. This section is overflowing with information sourced from dozens of resources to help project leaders better understand the data surrounding the river.

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To use this section, consider the type of data you’d like to access. The tools have been broken into:

  • 3D Data Collection,
  • 2D Data Collection,
  • Design Reaches,
  • Functional Flow Rate,
  • Precedent Information,
  • Kit of Parts,
  • and Economic Development Framework.

These sections contain river information in particular data styles. Not every topic is covered in each of the different styles of data but with a little digging, you’ll be able to find your specific area of interest.

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Where did all this data come from?

This River Index is a result of countless meetings with regional elected officials, peer and technical organizations, public agencies, and 100s of listening sessions with the general public. The data is a compilation of national, state, and local organizations, as well as our team (Gehry Partners, OLIN, and Geosyntec). All of this information is free and open to the public! 

What’s come out of this so far?

This River Index is used to educate and inform organizations, public leaders, and communities about our great river. It’s provided the lenses by which we view and judge our work. And, going forward, it’s what we believe the future of this infrastructure project can result in clean water, river connectivity, fewer greenhouses gases, and a healthier, safer Southern California.

We hope this brief How-To helps you better understand and utilize this incredible toolkit of data. If you have a specific question about the tool or want to share a cool project you (or your students) are working on, please share! Click here to get started.

And we couldn’t forget, this wouldn’t be possible without the generous donations from the following fabulous organizations and individuals:

We thank the following major donors:

  • Achieving America Family Foundation

  • Andrea Gibbin

  • California Community Foundation/Opportunity Fund

  • The California Water Foundation program of Resources Legacy Fund

  • Goldhirsh Foundation

  • The JIB Fund

  • John W. Carson Foundation

  • JP Morgan Chase Bank

  • Luann and Bob Williams

  • Lynda and Stewart Resnick

  • The City of Long Beach

  • The Rivers and Mountains Conservancy

  • The Ralph M. Parsons Foundation

  • The Rosalinde and Arthur Gilbert Foundation

  • The Santa Monica Mountains Conservancy

  • Amy Gordon Yanow and Tony Yanow

  • …and matching Donations to the Yanow gift

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Please check your e-mail for a link to activate your account.