Living in Washington Mills, NY: what to set up and who to call
Washington Mills has no town government of its own, so Oneida County runs its elections and most services, and its children attend New Hartford Central School District. Mvwa - Mohawk Valley Water Authority has a clean five-year EPA record, but its latest lead result, 9.0 ppb, was higher than 96% of similar systems’ (the action level is 15).
I’m new in town
What to set up in Washington Mills, 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 Washington Mills.
Power comes from National Grid
National Grid (Niagara Mohawk Power Corp.), an investor-owned utility, serves all of Washington Mills. Its homes paid an average of 19.9¢ per kWh in 2025, about $130 a month (its average across New York, for customers on its standard service). New York lets you buy power from another supplier; 6% of National Grid’s home customers do, and National Grid still delivers it.
Start or move service: www1.nationalgridus.com · (315) 474-1511
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Mvwa - Mohawk Valley Water Authority
Mvwa - Mohawk Valley Water Authority supplies Washington Mills: about 89% of residents live in its service area. About 11% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws surface water and serves 126,250 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 86% of the 332 systems serving 100,001–250,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2026, was 9.0 ppb, below the 15 ppb action level that applied. The highest in five years was 12.5 ppb. That’s higher than 96% 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. Violations are counted by the start of their compliance period. NY3202411.
4 home internet providers serve Washington Mills
97% of 363 addresses can get 100/20 Mbps; 4% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 97% | 1,000/35 |
| GoNetspeed | Fiber | 7% | 2,000/2,000 |
| Verizon | Fixed wireless | 88% | 300/20 |
| T-Mobile | Fixed wireless | 44% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Washington Mills’ trash rules yet
Pickup rules, the dump and recycling in Washington Mills.
Where your child goes to school
Public school districts and the school path by grade.
Washington Mills is in New Hartford Central School District.
Test scores and every school: see Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
No town hall: the county runs things
Washington Mills is unincorporated, so Oneida County is the local government.
Election office: FVAP local election office directory, updated Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
Washington Mills is in ZIP code 13413
ZIP codes where Washington Mills residents live, with the share of the town in each.
| ZIP | Post office name | Share of Washington Mills | ZIP’s residents in Washington Mills |
|---|---|---|---|
| 13413 | New Hartford, NY | 100% | 8% |
13479 is P.O. box or single-organization ZIP with no homes.
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.
ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Washington Mills
Who supplies Washington Mills’ drinking water, and has it had violations?
Mvwa - Mohawk Valley Water Authority (EPA ID NY3202411). It reported no health-based violations to EPA in the five years to October 2026; 86% of systems its size had none. Its latest lead 90th percentile was 9.0 ppb (Jan–Dec 2026), against a 15 ppb action level.
Who provides electricity in Washington Mills?
National Grid (Niagara Mohawk Power Corp.), an investor-owned utility. Its homes paid about 19.9¢ per kWh in 2025 (EIA).
What internet providers serve Washington Mills?
Spectrum, GoNetspeed, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Washington Mills?
13413. Census 2020 ZIP Code Tabulation Areas.
What school district is Washington Mills in?
New Hartford Central School District.
How do I register to vote in Washington Mills?
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 Oneida 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.