Stormwater Management: New Rochelle vs White Plains
How do stormwater management rules compare between New Rochelle, NY and White Plains, NY?
New Rochelle and White Plains have similar restriction levels.
New Rochelle, NY
Westchester County
New Rochelle is an MS4 community under NYS DEC SPDES MS4 General Permit. Illicit discharge detection and elimination (IDDE) ordinance prohibits non-stormwater discharges to the storm sewer system. Construction sites disturbing 1+ acre need SWPPP.
View full New Rochelle rules →White Plains, NY
Westchester County
White Plains is a regulated MS4 under the NYS SPDES General Permit. Illicit discharges to storm drains (soap, paint, motor oil, grass clippings) are prohibited. Post-construction stormwater controls required for projects disturbing 1 acre or more.
View full White Plains rules →Key Facts Comparison
| Fact | New Rochelle | White Plains |
|---|---|---|
| MS4 | Permitted community | Regulated under SPDES |
| SWPPP | 1+ acre projects | - |
| Illicit discharge | Prohibited | - |
| Outfalls | Drain to Sound | - |
| Receives | - | Bronx River watershed |
| SWPPP threshold | - | 1 acre disturbance |
| IDDE fines | - | $250-$2,500 |
Highlighted rows indicate differences between cities.
New Rochelle FAQ
Can I wash my car in the driveway?
Personal car washing is generally allowed, but soapy water should not flow into storm drains. Commercial car washing must use collection systems.
Is it illegal to dump oil or paint in a New Rochelle storm drain?
Yes. The city's illicit discharge ordinance prohibits any non-stormwater discharge to the storm sewer, which drains directly to Long Island Sound. Violations carry significant fines.
Can I blow leaves into the street in New Rochelle?
No. Yard waste in the storm drain system is an illicit discharge under the MS4 ordinance. Bag or mulch leaves and use city yard-waste collection instead.
White Plains FAQ
Can I wash my car in the driveway?
Occasional personal car washing is generally tolerated, but soap runoff to the storm drain is technically an illicit discharge. Use a commercial car wash or wash on grass.
Can I drain my pool to the street?
Only after dechlorinating and at a rate that doesn't cause erosion. Chlorinated pool water is an illicit discharge under WP's stormwater code.
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