Compare Regulations
Compare state baseline against local requirements in a single view
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Compare state baseline against local requirements in a single view
Rows with an amber indicator differ across selections.
| Field | State Texas TCEQ | Local City of Laredo City of Laredo Public Works / Engineering Department |
|---|---|---|
| Permit | ||
| Permit / Authorization | Construction General Permit (TXR150000) | Grading / Drainage Permit |
| Submit To | TCEQ | City of Laredo Public Works / Engineering Department |
| Lead Time | Must file NOI and receive authorization before construction begins | Plan review typically 2–4 weeks |
| Application Method | Online via TCEQ Water Quality ePay system | Submit via City of Laredo Development Services at 1110 Houston St., Laredo, TX 78040 or online portal |
| Fee | $325 for projects disturbing < 5 acres; $525 for ≥ 5 acres | Contact agency for current fee schedule |
| Water Quality | ||
| Impervious Cover Limit | No statewide limit | No 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 Required | Not specified at state level | No |
| Detention Required | Not specified at state level | Yes — 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 Standard | Not specified in CGP; discharges must not cause or contribute to violations of water quality standards | No 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 Required | Yes | Yes — SWPPP per TCEQ TXR150000; drainage report required for local permit |
| PE Stamp Required | No | Yes |
| Inspections | ||
| Inspection Requirements | Every 14 days and within 24 hours of a rainfall event producing ≥ 0.5 inches | City 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 Qualification | Stormwater Pollution Prevention Plan (SWPPP) Inspector — no state license required but must be knowledgeable | No city-specific certification required beyond TCEQ SWPPP requirements |
| Design & Zones | ||
| Local Design Manual | N/A — state level | City of Laredo Drainage Design Criteria |
| Special Overlay Zones | N/A — see local jurisdictions | Rio Grande Floodplain (FEMA AE/AO Zones), Zacate Creek Floodplain, International Boundary Zone (IBWC Jurisdiction), Port of Laredo / International Trade Zone |