Skip to main content

Sewershed WI-062  ·  NYC DEP Combined Sewer Overflow Tributary Area

WI-062 - Mount Eden, Bronx

Properties in this area share the WI-062 combined sewer — during moderate-to-heavy rain, runoff can exceed pipe capacity faster than it drains, which is what drives sewer backup exposure block by block. Here’s what that looks like for Mount Eden, Bronx specifically.

WI-062 is a combined sewer area covering 3,099 properties in Mount Eden, Bronx. Flood Form rates 44% of them Moderate or High for stormwater exposure, and 29% for groundwater. 67% of lots have yard area that legally qualifies for on-site infiltration. Ground elevation is typically 97 ft. The median building dates to 1925. 24% of parcels sit over a historic stream or pond.

3,099

Properties in sewershed

67.2%

Legally eligible for on-site infiltration

44%

Stormwater exposure: Moderate or High

29%

Groundwater exposure: Moderate or High

What sets WI-062 apart

97 ft

Median ground elevation

90%

Average impervious cover per lot

1925

Median year built

24%

Properties over a historic stream or pond

Stats computed from Flood Form’s NYC parcel data as of October 9, 2026

Common solutions for Mount Eden properties

Downspout Diversion

Redirects roof runoff away from the combined sewer and into landscaped or permeable areas on the lot.

Infiltration System

Drywells or infiltration chambers that let stormwater soak into the ground on-site instead of entering the sewer.

Detention System

Holds stormwater temporarily and releases it slowly, reducing peak flow into the combined sewer during a storm.

Drain Improvement

Upgrades yard, area, or foundation drains so water is carried away from the building instead of pooling.

Foundation Waterproofing

Protects the foundation from groundwater intrusion, relevant where groundwater exposure runs high.

Want to see where your specific property stands?

Get Your Property’s Flood Form