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 Plano City of Plano — Engineering Department, Stormwater Management Division |
|---|---|---|
| Permit | ||
| Permit / Authorization | Construction General Permit (TXR150000) | Drainage and Grading Permit |
| Submit To | TCEQ | City of Plano — Engineering Department, Stormwater Management Division |
| Lead Time | Must file NOI and receive authorization before construction begins | 10–15 business days for standard review; expedited review may be available |
| Application Method | Online via TCEQ Water Quality ePay system | Submit via City of Plano's online permitting portal or in person at Plano Municipal Center, 1520 Ave. K, Plano, TX 75074; drainage study, grading plan, and ESC plan required |
| Fee | $325 for projects disturbing < 5 acres; $525 for ≥ 5 acres | Contact agency for current fee schedule; fees based on project size and disturbed area |
| Water Quality | ||
| Impervious Cover Limit | No statewide limit | No city-wide percentage cap on impervious cover; post-construction stormwater quality controls required for all sites disturbing ≥1 acre or adding ≥5,000 sq ft of impervious cover per Plano's Phase I MS4 permit |
| On-Site Treatment Required | Not specified at state level | Yes |
| Detention Required | Not specified at state level | Yes — Post-development peak flows must not exceed pre-development peak flows for the 2-, 10-, and 100-year storm events per the Plano Drainage Design Manual; volume-based water quality capture required for Phase I WQ compliance; detention/retention facilities must be maintained under a recorded private maintenance agreement |
| Turbidity / Discharge Standard | Not specified in CGP; discharges must not cause or contribute to violations of water quality standards | Comply with TCEQ TXR150000 limits during construction; post-construction treatment BMPs must meet Plano Phase I MS4 minimum control measures for water quality |
| SWPPP | ||
| SWPPP / Local Plan Required | Yes | Yes — SWPPP per TCEQ TXR150000; Plano requires supplemental ESC plan as part of Drainage and Grading Permit |
| PE Stamp Required | No | Yes |
| Inspections | ||
| Inspection Requirements | Every 14 days and within 24 hours of a rainfall event producing ≥ 0.5 inches | Plano Engineering Department conducts regular construction site inspections including erosion control, drainage, and post-construction BMP verification. Final grading and drainage inspection required before certificate of occupancy. Post-construction BMP inspection may be required after project completion. |
| Inspector Qualification | Stormwater Pollution Prevention Plan (SWPPP) Inspector — no state license required but must be knowledgeable | TCEQ-qualified inspector required per CGP; Plano may require documentation of inspector qualifications submitted with permit application |
| Design & Zones | ||
| Local Design Manual | N/A — state level | City of Plano Drainage Design Manual |
| Special Overlay Zones | N/A — see local jurisdictions | FEMA Special Flood Hazard Area (SFHA), Rowlett Creek Watershed, Spring Creek Watershed |