Carrollton vs Irving
How do stormwater management rules compare between Carrollton, TX and Irving, TX?
Carrollton and Irving have similar restriction levels.
Carrollton, TX
Dallas County
Carrollton requires stormwater management for new development and significant property modifications. Runoff must be controlled on-site through retention, detention, or infiltration systems.
View full Carrollton rules →Irving, TX
Dallas County
Irving regulates stormwater quality through its Municipal Separate Storm Sewer System (MS4) permit and the city's Stormwater Management Program. The Irving Code of Ordinances Chapter 34 (Utilities) addresses stormwater discharge prohibitions. Construction sites disturbing one or more acres must obtain a Texas Pollutant Discharge Elimination System (TPDES) permit and implement a Stormwater Pollution Prevention Plan (SW3P).
View full Irving rules →Key Facts Comparison
| Fact | Carrollton | Irving |
|---|---|---|
| New Development | Stormwater plan required | - |
| Runoff Control | On-site retention | - |
| Maintenance | Owner responsibility | - |
| Topic | Stormwater | - |
| Code Section | - | Irving Code Ch. 34 — Utilities |
| Permit Type | - | MS4 TPDES permit |
| Construction Threshold | - | 1+ acre requires SW3P |
| Illicit Discharge | - | Prohibited to storm drain system |
| Enforcement | - | Irving Stormwater Management |
Highlighted rows indicate differences between cities.
Carrollton FAQ
Do I need a stormwater plan for my project?
Generally required for new construction and major renovations that increase impervious surface area. Small residential projects may be exempt.
What is an illicit discharge?
Any non-stormwater substance entering the storm drain system, including paint, oil, chemicals, or sediment. Report violations to Carrollton public works.
Irving FAQ
Can I wash my car and let water flow into the gutter?
Residential car washing on a pervious surface is generally acceptable. However, discharging water with significant soaps, chemicals, or pollutants to the storm drain system is prohibited under Irving's stormwater ordinance.
What is a SW3P?
A Stormwater Pollution Prevention Plan (SW3P) is required for construction sites disturbing one or more acres in Texas. It outlines erosion controls, sediment barriers, and inspection schedules to prevent pollutants from entering stormwater runoff.
Compare other topics
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