The information presented on this website is for flood hazard outreach and identification, and may not reflect the FEMA approved modeling information within current and pending floodplains (Click here for the Floodplain and Elevation Certification Viewer). The Flood Control District of Maricopa County (District) and the District staff make no representation, warranty or guarantee of any nature concerning the authenticity, accuracy, reliability, completion, or timeliness of the FLO-2D Web Tool contents, and shall not be liable for errors or omissions or any damages in connection with this information. No representation, warrant or guarantee is made or implied that the FLO-2D Web Tool is free of copyright infringement.

The District and the District staff do not warrant the performance and results of using the FLO-2D Web Tool and the associated documentation. The use of anything contained on this website and the results generated by such use are the users' responsibility ONLY. All information, including the Software/Documentation is provided 'as is' without representation, guaranty or warranty of any kind, either express or implied, including, but not limited to, the implied warranties of fitness for a purpose, or the warranty of non-infringement. Although the FLO-2D Web Tool and the associated documentation can be used in applications seeking District permits or projects, the use of anything contained on this website shall not be viewed as a representation, warranty or guarantee that any particular application will be approved.

In no event shall the District be liable to any person for any special, punitive, incidental, indirect or consequential damages of any kind, or any damages whatsoever, including, without limitation, those resulting from loss of use, data or profits, whether or not the District has been advised of the possibility of such damages, and on any theory of liability, arising out of or in connection with the use of any information or application provided on this website. The use of any information or application provided on this website is exclusive at the users risk. The use of any information or application provided on this website is at the sole and exclusive risk of the user, who is solely and exclusively responsible for any damage to any computer system or loss of data that results from such activities.

BY ACCESSING ANY INFORMATION PROVIDED ON THIS WEBSITE, THE USE REPRESENTS TO THE DISTRICT THAT THE USER UNDERSTANDS AND AGREES TO ALL OF THESE TERMS OF USE.

The FLO-2D Web Access Tool was developed by the Flood Control District of Maricopa County and allows our client agencies, consulting engineers and the public access to two-dimensional (2D) model results from District ADMS(P) projects in a user-friendly Internet-based framework. Users can access model results visually, and obtain a variety of technical information that can be viewed, downloaded and/or printed. Expensive software licenses and expertise in GIS or the 2D model software is not needed.

If you wish to speak with someone about flooding issues in Maricopa County, contact the Flood Control District of Maricopa County by visiting https://apps.fcd.maricopa.gov/contact/, or by calling (602) 506-1501.

Do not use any FLO-2D Web Access Tool contact information to report criminal activity. If you have information for law enforcement, please contact your local police department.

By using the FLO-2D Web Access Tool, you acknowledge that you hold the Flood Control District of Maricopa County exempt from responsibility from damages caused by misuse of the available information.

The Flood Control District of Maricopa County does not guarantee or warrant that any information obtained through the FLO-2D Web Access Tool is correct and disclaims any liability for any loss or damage resulting from reliance on any such information.

The Flood Control District of Maricopa County does not require users to create an account in order view and/or download information from the FLO-2D Web Access Tool.

The Flood Control District of Maricopa County reserves the right to modify this policy at any time.

A place to submit unsolicited proposals or other business ideas or inquiries.

A place to submit a claim, demand, informal or formal complaint, or any other form of legal and/or administrative notice or process, or for the exhaustion of any legal and/or administrative remedy.

A place to send in photographs for potential drainage or floodplain violation inspections or housing inspections, or questions or status inquiries about your specific case or floodplain use permit. Instead, please contact the Flood Control District of Maricopa County by visiting https://apps.fcd.maricopa.gov/contact/, or by calling (602) 506-1501.

A place to identify effective and pending floodplains. Instead the Floodplain and Elevation Certification Viewer should be used.

For information about the FLO-2D Web Access Tool, please email FCDSpecialproject@mail.maricopa.gov.

If you wish to speak with someone about flooding issues in Maricopa County, please call the Flood Control District of Maricopa County at (602) 506-2419.

For technical assistance with this application or to report bugs, please contact the Special Projects Branch at (602)506-1501.

Two options are available:

• A PDF help document can be viewed and downloaded on our Help Page
• A video series can be viewed on the county's Flood Control District youtube channel under the FLO-2D Web Access Tool playlist:
1. The Beginning
2. The Basics
3. Study Selection and Review
4. Hydrograph-By-Line Tool