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 Round Rock City of Round Rock Development Services Department |
|---|---|---|
| Permit | ||
| Permit / Authorization | Construction General Permit (TXR150000) | Drainage / Grading Permit |
| Submit To | TCEQ | City of Round Rock Development Services Department |
| Lead Time | Must file NOI and receive authorization before construction begins | Typically 3–6 weeks for standard commercial and residential projects; pre-application conference with Development Services encouraged |
| Application Method | Online via TCEQ Water Quality ePay system | Applications submitted through Round Rock Development Services at City Hall. Online permit portal available at roundrocktexas.gov. Contact Development Services at (512) 218-5428. |
| 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 | Round Rock does not impose a blanket citywide impervious cover cap; zoning district regulations and overlay districts may limit impervious cover. Edwards Aquifer Contributing Zone portions are subject to TCEQ Chapter 213 requirements. |
| On-Site Treatment Required | Not specified at state level | Yes |
| Detention Required | Not specified at state level | Yes — Detention required per Round Rock Drainage Criteria Manual. Post-development peak discharge must not exceed pre-development peak discharge for the 2-, 10-, and 100-year storm events. Water quality volume (WQV) must be captured and treated on site, designed to treat the 1.5-inch water quality storm. Acceptable BMPs include wet ponds, bioretention cells, vegetated swales, and sand filters. |
| Turbidity / Discharge Standard | Not specified in CGP; discharges must not cause or contribute to violations of water quality standards | Comply with TPDES Construction General Permit (TXR150000). Discharge from the construction site must not cause or contribute to violations of Texas Surface Water Quality Standards in the San Gabriel River, Brushy Creek, or other receiving water bodies. |
| SWPPP | ||
| SWPPP / Local Plan Required | Yes | Yes — Stormwater Pollution Prevention Plan (SWPPP) per TPDES TXR150000 |
| PE Stamp Required | No | No |
| Inspections | ||
| Inspection Requirements | Every 14 days and within 24 hours of a rainfall event producing ≥ 0.5 inches | Round Rock Development Services and Public Works conduct drainage and erosion control inspections. Inspections required at: pre-construction/erosion control installation, rough grading, drainage infrastructure installation, and final grading/stabilization. Projects must achieve 70% vegetative cover or approved equivalent before final acceptance. |
| Inspector Qualification | Stormwater Pollution Prevention Plan (SWPPP) Inspector — no state license required but must be knowledgeable | No city-specific erosion control certification required beyond TPDES standards. TPDES CGP requires qualified site inspectors to conduct inspections at least every 14 calendar days and within 24 hours of any storm event producing ≥0.5 inches of rainfall. |
| Design & Zones | ||
| Local Design Manual | N/A — state level | Round Rock Drainage Criteria Manual |
| Special Overlay Zones | N/A — see local jurisdictions | Edwards Aquifer Contributing Zone, Brushy Creek Watershed / FEMA SFHA, Creek Buffer / Riparian Setback |