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 McAllen City of McAllen Public Works / Engineering Department |
|---|---|---|
| Permit | ||
| Permit / Authorization | Construction General Permit (TXR150000) | Drainage / Grading Permit |
| Submit To | TCEQ | City of McAllen 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 McAllen permitting portal or in person at 1300 Houston Ave., McAllen, TX 78501 |
| 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 infrastructure must accommodate design storm flows; FEMA floodplain areas impose elevation and fill restrictions |
| On-Site Treatment Required | Not specified at state level | No |
| Detention Required | Not specified at state level | Yes — Detention required to attenuate post-development peak flows to pre-development levels for 2-, 10-, 25-, and 100-year storms per McAllen Drainage Criteria Manual; flat Rio Grande Valley topography requires careful hydraulic 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 or Arroyo Colorado water quality |
| 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 McAllen Engineering Department inspects grading permits at key milestones. Hurricane season requires heightened BMP maintenance. Final stabilization inspection required before permit closeout. |
| 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 McAllen Drainage Criteria Manual |
| Special Overlay Zones | N/A — see local jurisdictions | FEMA Special Flood Hazard Area — Rio Grande and Arroyo Colorado Floodplains, International Boundary Zone (Rio Grande), Arroyo Colorado / South Texas Water Supply Zone |