Living in Whitmore Lake, MI: what to set up and who to call
Whitmore Lake has no town government of its own, so Livingston County runs its elections and most services, and its children attend Whitmore Lake Public Schools. The closest ER is University of Michigan Health System, 9.7 miles away.
I’m new in town
What to set up in Whitmore Lake, 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 Whitmore Lake.
Power comes from DTE
DTE (DTE Electric Co.), an investor-owned utility, serves all of Whitmore Lake. 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 Stone Ridge water system
The Stone Ridge water system supplies Whitmore Lake: about 9% of residents live in its service area. Westbrook Apartments serves another 8%. Harbor Cove Apartments serves another 7%. Regency at Whitmore Lake serves another 6%. About 64% 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 367 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 77% of the 15,074 systems serving 101–500 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2020–Dec 2022, was 3.0 ppb, below the 15 ppb action level that applied. That’s higher than 81% 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. MI0006423.
5 home internet providers serve Whitmore Lake
99% of 3,022 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 99% | 1,000/50 |
| AT&T | DSL, Fixed wireless | 6% | 100/20 |
| Mercury Fiber | Fixed wireless | 86% | 150/20 |
| T-Mobile | Fixed wireless | 70% | 100/20 |
| Verizon | Fixed wireless | 28% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Whitmore Lake’s trash rules yet
Pickup rules, the dump and recycling in Whitmore Lake.
Where your child goes to school
Public school districts and the school path by grade.
Most of Whitmore Lake (77%) is in Whitmore Lake Public Schools; parts are in Brighton Area Schools (14%) and South Lyon Community Schools (9%).
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
Whitmore Lake is unincorporated, so Livingston County is the local government.
Election office: FVAP local election office directory, updated Nov 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Whitmore Lake spans 2 ZIP codes
ZIP codes where Whitmore Lake residents live, with the share of the town in each.
| ZIP | Post office name | Share of Whitmore Lake | ZIP’s residents in Whitmore Lake |
|---|---|---|---|
| 48189 | Whitmore Lake, MI | 88% | 48% |
| 48178 | South Lyon, MI | 12% | 2% |
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 Whitmore Lake
Who supplies Whitmore Lake’s drinking water, and has it had violations?
The Stone Ridge water system (EPA ID MI0006423). It reported no health-based violations to EPA in the five years to October 2026; 77% of systems its size had none. Its latest lead 90th percentile was 3.0 ppb (Jan 2020–Dec 2022), against a 15 ppb action level.
Who provides electricity in Whitmore Lake?
DTE (DTE Electric Co.), an investor-owned utility. Its homes paid about 20.2¢ per kWh in 2025 (EIA).
What internet providers serve Whitmore Lake?
Spectrum, AT&T, Mercury Fiber, T-Mobile, Verizon (FCC, as of December 2025).
What ZIP codes are in Whitmore Lake?
48189 (88%), 48178 (12%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Whitmore Lake in?
Whitmore Lake Public Schools. Parts of the city are in Brighton Area Schools and South Lyon Community Schools.
How do I register to vote in Whitmore Lake?
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 Northfield 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: 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 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.