Fort Plain Historic District (Boundary Increase) · Photo: Doug Kerr · CC BY-SA 2.0Living in Oppenheim, NY: what to set up and who to call
Oppenheim spans 2 ZIP codes; 13329 holds the most residents (57%). Little Falls Hospital, 9.2 miles away, is the nearest emergency room.
I’m new in town
What to set up in Oppenheim, 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 Oppenheim.
Power comes from National Grid
National Grid (Niagara Mohawk Power Corp.), an investor-owned utility, serves all of Oppenheim. 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 Dolgeville (V) PWS
Dolgeville (V) PWS supplies Oppenheim: about 3% of residents live in its service area. About 97% 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 2,166 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 7,966 systems serving 1,001–3,300 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, was 0.0 ppb, below the 15 ppb action level that applied. Results below detection are reported as 0, so 0 doesn’t mean no lead at any tap.
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. NY2102299.
Which providers serve Oppenheim
This card will list the home internet providers the FCC’s National Broadband Map shows in Oppenheim, the share of addresses that can get 100/20 Mbps and the share with fiber, with the map’s “as of” date.
Source to come: FCC Broadband Data Collection.
We don’t have Oppenheim’s trash rules yet
Pickup rules, the dump and recycling in Oppenheim.
Where your child goes to school
Public school districts and the school path by grade.
Most of Oppenheim (94%) is in Oppenheim-Ephratah-St. Johnsville Central School District; parts are in Dolgeville Central School District (6%).
C−School 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 Jul 2019; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
Oppenheim spans 2 ZIP codes
ZIP codes where Oppenheim residents live, with the share of the town in each.
| ZIP | Post office name | Share of Oppenheim | ZIP’s residents in Oppenheim |
|---|---|---|---|
| 13329 | Dolgeville, NY | 57% | 26% |
| 13452 | Saint Johnsville, NY | 43% | 17% |
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 Oppenheim
Who supplies Oppenheim’s drinking water, and has it had violations?
Dolgeville (V) PWS (EPA ID NY2102299). It reported no health-based violations to EPA in the five years to October 2026; 78% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Oppenheim?
National Grid (Niagara Mohawk Power Corp.), an investor-owned utility. Its homes paid about 19.9¢ per kWh in 2025 (EIA).
What ZIP codes are in Oppenheim?
13329 (57%), 13452 (43%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Oppenheim in?
Oppenheim-Ephratah-St. Johnsville Central School District. Parts of the city are in Dolgeville Central School District.
How do I register to vote in Oppenheim?
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 Fulton 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): pending.