St. Katherine's Chapel · Photo: Allen Stross · Public domainLiving in Williamstown Township, MI: what to set up and who to call
Williamstown Township runs its own elections, so the Williamstown Township Clerk, not a county office, keeps the voter rolls. The closest ER is Mclaren Greater Lansing, 9.8 miles away.
I’m new in town
What to set up in Williamstown Township, 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 Township.
Power comes from DTE
DTE (DTE Electric Co.), an investor-owned utility, serves 99.4% of Williamstown Township residents. Its homes paid an average of 20.2¢ per kWh in 2025, about $126 a month (its average across Michigan, for customers on its standard service). Michigan lets you buy power from another supplier; 0% of DTE’s home customers do, and DTE still delivers it.
Start or move service: www.dteenergy.com · (800) 477-4747
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of Williamston water system
The City of Williamston water system supplies Williamstown Township: about 7% of residents live in its service area. About 93% 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 3,917 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 80% of the 5,012 systems serving 3,301–10,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2025, was 0.0 ppb, below the 15 ppb action level that applied. The highest in five years was 2.0 ppb. 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. MI0007120.
8 home internet providers serve Williamstown Township
97% of 2,095 addresses can get 100/20 Mbps; 36% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| WOW! | Cable | 90% | 1,200/50 |
| Frontier | DSL, Fiber | 44% | 7,000/7,000 |
| Xfinity | Fiber, Cable | 28% | 2,000/2,000 |
| AT&T | Fixed wireless, DSL | 19% | 50/10 |
| Surf Internet | Fiber, Fixed wireless | 7% | 8,000/8,000 |
| Mercury Fiber | Fixed wireless | 62% | 150/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash and recycling in Williamstown Township
Pickup days, the drop-off and recycling in Williamstown Township, from the town’s own site.
We couldn’t find pickup days or drop-off hours. Check williamstownmi.gov →
From williamstownmi.gov, the town’s official site, checked Oct 21, 2026; pages dated 2026-01-16, 2026-07-02. Rules change: the town’s page is the last word. .
Where your child goes to school
Public school districts and the school path by grade.
Most of Williamstown Township (71%) is in Williamston Community Schools; parts are in Haslett Public Schools (18%) and Perry Public School District (10%).
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 Nov 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Williamstown Township spans 3 ZIP codes
ZIP codes where Williamstown Township residents live, with the share of the town in each.
| ZIP | Post office name | Share of Williamstown Township | ZIP’s residents in Williamstown Township |
|---|---|---|---|
| 48895 | Williamston, MI | 86% | 39% |
| 48840 | Haslett, MI | 12% | 5% |
| 48864 | Okemos, MI | 3% | 1% |
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 Township
Who supplies Williamstown Township’s drinking water, and has it had violations?
The City of Williamston water system (EPA ID MI0007120). It reported no health-based violations to EPA in the five years to October 2026; 80% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan–Dec 2025), against a 15 ppb action level.
Who provides electricity in Williamstown Township?
DTE (DTE Electric Co.), an investor-owned utility. Its homes paid about 20.2¢ per kWh in 2025 (EIA).
What internet providers serve Williamstown Township?
WOW!, Frontier, Xfinity, AT&T, Surf Internet, Mercury Fiber (FCC, as of December 2025).
What ZIP codes are in Williamstown Township?
48895 (86%), 48840 (12%), 48864 (3%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Williamstown Township in?
Williamston Community Schools. Parts of the city are in Haslett Public Schools and Perry Public School District.
How do I register to vote in Williamstown Township?
In Michigan you can register online until 15 days before Election Day, in person up to and including Election Day, or by mail (postmarked 15 days before). Elections here are run by the Williamstown Township Clerk. Check your registration at mvic.sos.state.mi.us.
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: Williamstown Township’s own website (williamstownmi.gov), read Oct 21, 2026, pickup and drop-off facts extracted and checked against the page they came from.
- 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 Sep 12, 2025 (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.