Often the Watermaster is contacted by interested parties regarding approval/denial of the infiltration component of stormwater to be collected by Low Impact Development (LID) projects (formerly known as Standard Urban Stormwater Mitigation Plans - SUSMPs), within those portions of the City of Los Angeles that lie within San Fernando and Sylmar basins.

On other occasions, The Watermaster is contacted regarding ULARA data requests, property location inquiries, water well drilling inquiries, etc. Please review the links at the left and our Document Library for the data you may be requesting. If you do not find what you are looking for, please contact our office for more information.

Note that a Data Request Form will be required for all data requests. Please fill out the form and return it to the Watermaster via email or fax.

Data Request Form

Need to know if your property is within the Adjudicated Watershed Boundary of the Upper Los Angeles River Area? CLICK HERE