SW

Stormwater Directory

Compare Regulations

Compare city/county requirements side-by-side (up to 4 jurisdictions)

City of Laredo(3 more)

Rows with an amber indicator differ across selections.

Field
Local
City of Laredo
City of Laredo Public Works / Engineering Department
Permit
Permit / AuthorizationGrading / Drainage Permit
Submit ToCity of Laredo Public Works / Engineering Department
Lead TimePlan review typically 2–4 weeks
Application MethodSubmit via City of Laredo Development Services at 1110 Houston St., Laredo, TX 78040 or online portal
FeeContact agency for current fee schedule
Water Quality
Impervious Cover LimitNo citywide impervious cover cap; drainage systems must accommodate design storm flows; Rio Grande and Zacate Creek floodplains impose fill and elevation restrictions
On-Site Treatment RequiredNo
Detention RequiredYes — Detention required to limit post-development peak flows to pre-development levels for 2-, 10-, 25-, and 100-year storms per City of Laredo Drainage Design Criteria; arid climate with intense summer thunderstorms requires conservative storm routing
Turbidity / Discharge StandardNo numeric NTU limit; discharges must comply with TCEQ TXR150000 and not degrade Rio Grande water quality; Rio Grande is a critical water supply and international waterway
SWPPP
SWPPP / Local Plan RequiredYes — SWPPP per TCEQ TXR150000; drainage report required for local permit
PE Stamp RequiredYes
Inspections
Inspection RequirementsCity of Laredo Engineering Department inspects grading permits at rough grading and final stabilization. Summer monsoon season (July–September) can produce intense thunderstorms requiring active BMP maintenance.
Inspector QualificationNo city-specific certification required beyond TCEQ SWPPP requirements
Design & Zones
Local Design ManualCity of Laredo Drainage Design Criteria
Special Overlay ZonesRio Grande Floodplain (FEMA AE/AO Zones), Zacate Creek Floodplain, International Boundary Zone (IBWC Jurisdiction), Port of Laredo / International Trade Zone