Photo: Magicpiano · CC BY-SA 4.0Living in Lewisboro, NY: what to set up and who to call
The latest lead test reported by Oakridge Water District, which supplies Lewisboro, came in at 61.6 ppb (Jan 2024–Dec 2026), above the 15 ppb action level. The dump is the town’s own: Town of Lewisboro Recycling Center, open Sat 9 am–12 pm by OpenStreetMap’s listing.
I’m new in town
What to set up in Lewisboro, and who provides it. Tap an answer for the details and where they come from.
Power, water and internet
Who to call to start service at a new address in Lewisboro.
Power comes from New York State Elec & Gas
New York State Elec & Gas (New York State Elec & Gas Corp), an investor-owned utility, serves all of Lewisboro. Its homes paid an average of 22.6¢ per kWh in 2025, about $168 a month (its average across New York, for customers on its standard service). New York lets you buy power from another supplier; 6% of New York State Elec & Gas’ home customers do, and New York State Elec & Gas still delivers it.
Start or move service: nyseg.com · (800) 572-1131
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Oakridge Water District
Oakridge Water District supplies Lewisboro: about 14% of residents live in its service area. Wild Oaks Water Company serves another 7%. Meadows at Cross River serves another 6%. About 63% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water and serves 892 people in all.
17 health-based violations reported to EPA in the five years to October 2026: a PFAS chemical (PFOS) ×14, a PFAS chemical (PFOA) ×2, a lead and copper treatment requirement (Lead and Copper Rule), the latest beginning Jan 2026. 78% of the 5,327 systems serving 501–1,000 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2024–Dec 2026, was 61.6 ppb, above the 15 ppb action level that applied. That’s higher than 100% of similar systems’ latest results.
The system’s full record: EPA ECHO report
EPA SDWIS via Envirofacts (violations pulled Oct 9, 2026) and ECHO (lead samples, 2026Q3); service area: EPA Community Water System Service Area Boundaries v3.0 (EPA’s estimate). Violations are counted by the start of their compliance period. NY5918395.
3 home internet providers serve Lewisboro
97% of 4,398 addresses can get 100/20 Mbps; 23% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Optimum | Cable, Fiber | 96% | 940/35 |
| Verizon | Fiber, Fixed wireless | 36% | 2,300/2,300 |
| T-Mobile | Fixed wireless | 37% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Town of Lewisboro Recycling Center is open Saturday
Where to take trash and recycling in Lewisboro, and where the rules are.
Town of Lewisboro Recycling Center
- Sat9 am–noon
Hours from OpenStreetMap, last updated Jan 2020. They can change with the season, so check lewisborogov.com before you go.
Drop-off hours: OpenStreetMap. © OpenStreetMap contributors.
Where your child goes to school
Public school districts and the school path by grade.
Lewisboro is in Katonah-Lewisboro Union Free School District.
ASchool gradeSee Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
Lewisboro spans 6 ZIP codes
ZIP codes where Lewisboro residents live, with the share of the town in each.
| ZIP | Post office name | Share of Lewisboro | ZIP’s residents in Lewisboro |
|---|---|---|---|
| 10590 | South Salem, NY | 53% | 100% |
| 10526 | Goldens Bridge, NY | 15% | 100% |
| 10536 | Katonah, NY | 11% | 12% |
| 10518 | Cross River, NY | 11% | 100% |
| 10597 | Waccabuc, NY | 8% | 100% |
| 10576 | Pound Ridge, NY | 1% | 3% |
A few homes fall in 10560.
Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.
Getting around, the ER and the library
One line each; the subject pages have the rest.
Train: OpenStreetMap (© OpenStreetMap contributors). ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Lewisboro
When is the Town of Lewisboro Recycling Center open?
Sat 9 am–12 pm, according to OpenStreetMap (as of Oct 9, 2026). Check lewisborogov.com before you go: the town sets the hours and who may use it.
Who supplies Lewisboro’s drinking water, and has it had violations?
Oakridge Water District (EPA ID NY5918395). It reported 17 health-based violations to EPA in the five years to October 2026: a PFAS chemical (PFOS) ×14, a PFAS chemical (PFOA) ×2, a lead and copper treatment requirement (Lead and Copper Rule). 78% of systems its size had none. Its latest lead 90th percentile was 61.6 ppb (Jan 2024–Dec 2026), against a 15 ppb action level.
Who provides electricity in Lewisboro?
New York State Elec & Gas (New York State Elec & Gas Corp), an investor-owned utility. Its homes paid about 22.6¢ per kWh in 2025 (EIA).
What internet providers serve Lewisboro?
Optimum, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Lewisboro?
10590 (53%), 10526 (15%), 10536 (11%), 10518 (11%), 10597 (8%), 10576 (1%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Lewisboro in?
Katonah-Lewisboro Union Free School District.
How do I register to vote in Lewisboro?
In New York you can register online until 10 days before Election Day, in person until 10 days before Election Day, or by mail (postmarked 15 days before and received 10 days before). Elections here are run by the Westchester County Board of Elections. Check your registration at voterlookup.elections.ny.gov.
Sources & dates
Every answer above names its source. Here they are with their dates.
- Water: EPA SDWIS (Envirofacts, pulled Oct 9, 2026), ECHO SDWA 2026Q3, EPA CWS Service Area Boundaries v3.0.
- Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
- Trash: OpenStreetMap, Geofabrik extract of Oct 9, 2026. © OpenStreetMap contributors (ODbL).
- ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
- Schools: NCES Common Core of Data, 2024–25.
- Registration: vote.gov, updated Aug 3, 2026 (read Oct 10, 2026). Official sites and area codes: Wikidata.
- Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
- Internet: FCC National Broadband Map, as of December 2025.