Stormwater Management: Duluth vs Lawrenceville
How do stormwater management rules compare between Duluth, GA and Lawrenceville, GA?
Duluth and Lawrenceville have similar restriction levels.
Duluth, GA
Gwinnett County
Duluth is a Phase II MS4 under the Gwinnett County MS4 permit. Post-construction stormwater controls required for new development; Illicit Discharge prohibited.
View full Duluth rules →Lawrenceville, GA
Gwinnett County
Lawrenceville is a Phase II MS4 under GA EPD NPDES Permit GAG610000. Illicit discharges (oil, paint, wash water, sediment) to storm drains prohibited. Stormwater utility fee on all improved parcels.
View full Lawrenceville rules →Key Facts Comparison
| Fact | Duluth | Lawrenceville |
|---|---|---|
| MS4 | Phase II — Gwinnett County system | - |
| Design Manual | GA Stormwater Manual (Blue Book) | - |
| WQv | 1.2 inch runoff treatment | - |
| Illicit Discharge | Prohibited — fines to $1,000/day | $500-$2,500/day |
| MS4 Permit | - | NPDES GAG610000 |
| Manual | - | GA Blue Book |
| Water Quality | - | First 1.2 in rainfall |
| Fee | - | On water bill |
Highlighted rows indicate differences between cities.
Duluth FAQ
Can I wash my car in the driveway?
Occasional residential car washing is allowed, but commercial washing that discharges to storm drains is prohibited. Use biodegradable soap and wash on grass when possible.
What can go into Duluth storm drains?
Only rain. Oil, paint, detergents, and yard waste are illicit discharges subject to fines up to $1,000 per day.
Does new construction in Duluth need stormwater controls?
Yes. Development must meet water quality volume (1.2 inch runoff) and channel protection standards per the Georgia Stormwater Manual.
Lawrenceville FAQ
Can I wash my car in the driveway?
Residential car washing is allowed but soapy water should not flow to storm drains. Commercial car washing on-site without a grease trap is prohibited.
What's the fine for dumping into a Lawrenceville storm drain?
Illicit discharges — paint, oil, wash water, sediment — carry fines of $500-$2,500 per day under the city's MS4 program.
What water-quality standard applies to new Lawrenceville developments?
The Georgia Stormwater Management Manual ('Blue Book') requires treatment of the first 1.2 inches of rainfall, plus channel protection and overbank flood control.
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