Drainage plan for plat

Floodplain Management Office - HPWFMO1033
Houston Public Works
Floodplain Management Office

1002 Washington Ave., 3rd Floor
Houston, TX 77002

8 am to 3 pm
Plan Review
Not Required
Not Required
Processing Time


The purpose of the drainage plan is to illustrate the existing and proposed drainage patterns for the property being platted, and to demonstrate that the proposed project complies with all City regulations and is unlikely to adversely impact the floodplain or other parcels adjacent to the property being platted. Flow and volume calculations will be estimates based on the preliminary design of the proposed development.

After Approval

Applicant must submit two sets of the approved drainage plan for plat to the Storm group within the Office of City Engineer for review

Statutory Authority
What You Need

Three copies of drawings that include items noted on the "drainage plan for plat review" checklist

Submit Plans in Person

Make an appointment at www.houstonpermittingcenter.org to meet with FMO plan reviewer