Photo: Jerrye & Roy Klotz, MD · CC BY-SA 3.0Living in Williamstown, NJ: what to set up and who to call
Williamstown has no town government of its own, so Gloucester County runs its elections and most services, and its children attend Monroe Township School District. Monroe Township Free Public Library, at 713 Marsha Avenue, is the library in town.
I’m new in town
What to set up in Williamstown, 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 Williamstown.
Power comes from Atlantic City Electric
Atlantic City Electric (Atlantic City Electric Co), an investor-owned utility, serves all of Williamstown. Its homes paid an average of 25.8¢ per kWh in 2025, about $164 a month (its average across New Jersey, for customers on its standard service). New Jersey lets you buy power from another supplier; 7% of Atlantic City Electric’s home customers do, and Atlantic City Electric still delivers it.
Start or move service: atlanticcityelectric.com · (800) 642-3780
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Monroe Municipal Utilities Authority
Monroe Municipal Utilities Authority supplies almost all of Williamstown. It buys treated surface water (EPA lists Glassboro Water Department as seller) and serves 26,179 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2024–Dec 2026, was 2.0 ppb, below the 15 ppb action level that applied. The highest in five years was 2.3 ppb. That’s higher than 65% 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. NJ0811002.
4 home internet providers serve Williamstown
100% of 5,057 addresses can get 100/20 Mbps; 92% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 100% | 2,000/250 |
| Verizon | Fiber, Fixed wireless | 95% | 980/880 |
| T-Mobile | Fixed wireless | 69% | 100/20 |
| AT&T | Fixed wireless | 66% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Williamstown’s trash rules yet
Pickup rules, the dump and recycling in Williamstown.
Where your child goes to school
Public school districts and the school path by grade.
Williamstown is in Monroe Township 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
Williamstown is unincorporated, so Gloucester County is the local government.
Election office: FVAP local election office directory, updated Aug 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Williamstown is in ZIP code 08094
ZIP codes where Williamstown residents live, with the share of the town in each.
| ZIP | Post office name | Share of Williamstown | ZIP’s residents in Williamstown |
|---|---|---|---|
| 08094 | Williamstown, NJ | 100% | 37% |
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 Williamstown
Who supplies Williamstown’s drinking water, and has it had violations?
Monroe Municipal Utilities Authority (EPA ID NJ0811002). It reported no health-based violations to EPA in the five years to October 2026; 83% of systems its size had none. Its latest lead 90th percentile was 2.0 ppb (Jan 2024–Dec 2026), against a 15 ppb action level.
Who provides electricity in Williamstown?
Atlantic City Electric (Atlantic City Electric Co), an investor-owned utility. Its homes paid about 25.8¢ per kWh in 2025 (EIA).
What internet providers serve Williamstown?
Xfinity, Verizon, T-Mobile, AT&T (FCC, as of December 2025).
What ZIP codes are in Williamstown?
08094. Census 2020 ZIP Code Tabulation Areas.
What school district is Williamstown in?
Monroe Township School District.
How do I register to vote in Williamstown?
In New Jersey you can register online until 21 days before Election Day, in person until 21 days before Election Day, or by mail (postmarked 21 days before). Elections here are run by the Gloucester County Clerk. Check your registration at voter.svrs.nj.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 Nov 18, 2024 (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.