Sewershed HP-020 · NYC DEP Combined Sewer Overflow Tributary Area
HP-020 - Schuylerville, Bronx
Properties in this area share the HP-020 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 Schuylerville, Bronx specifically.
HP-020 is a combined sewer area covering 551 properties in Schuylerville, Bronx. Flood Form rates 37% of them Moderate or High for stormwater exposure, and none for groundwater. 91% of lots have yard area that legally qualifies for on-site infiltration. Ground elevation is typically 26 ft. The median building dates to 1950. 2% of parcels sit over a historic stream or pond.
551
Properties in sewershed
91.1%
Legally eligible for on-site infiltration
37%
Stormwater exposure: Moderate or High
0%
Groundwater exposure: Moderate or High
What sets HP-020 apart
26 ft
Median ground elevation
73%
Average impervious cover per lot
1950
Median year built
2%
Properties over a historic stream or pond
Stats computed from Flood Form’s NYC parcel data as of October 9, 2026
Common solutions for Schuylerville 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.
Nearby sewersheds
- HP-019Schuylerville948 properties · 35% with Moderate or High stormwater exposure
- HP-022Throgs Neck481 properties · 46% with Moderate or High stormwater exposure
- HP-021Throgs Neck155 properties · 27% with Moderate or High stormwater exposure
- HP-017Schuylerville333 properties · 44% with Moderate or High stormwater exposure
- HP-018Schuylerville247 properties · 45% with Moderate or High stormwater exposure
- HP-016Schuylerville1,359 properties · 50% with Moderate or High stormwater exposure
Want to see where your specific property stands?
Get Your Property’s Flood Form