Living in Middletown, MI: what to set up and who to call
Middletown has no town government of its own, so Shiawassee County runs its elections and most services, and its children attend Corunna Public School District. The City of Owosso water system reported one health-based violation to EPA in the last five years: a bacteria testing requirement (Revised Total Coliform Rule), beginning Nov 2022.
I’m new in town
What to set up in Middletown, 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 Middletown.
Power comes from Consumers Energy
Consumers Energy (Consumers Energy Co.), an investor-owned utility, serves all of Middletown. Its homes paid an average of 20.7¢ per kWh in 2025, about $134 a month (its average across Michigan).
Start or move service: consumersenergy.com · (800) 477-5050
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of Owosso water system
The City of Owosso water system supplies Middletown: about 92% of residents live in its service area. About 8% 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 16,353 people in all.
1 health-based violation reported to EPA in the five years to October 2026: a bacteria testing requirement (Revised Total Coliform Rule), beginning Nov 2022. 83% of the 3,525 systems serving 10,001–50,000 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2025, was 9.0 ppb, below the 15 ppb action level that applied. The highest in five years was 11.0 ppb. That’s higher than 97% 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. MI0005120.
6 home internet providers serve Middletown
99% of 392 addresses can get 100/20 Mbps; 92% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable | 98% | 1,000/35 |
| Frontier | Fiber, DSL | 85% | 5,000/5,000 |
| DayStarr | Fiber | 38% | 1,000/1,000 |
| Verizon | Fixed wireless | 90% | 300/20 |
| T-Mobile | Fixed wireless | 32% | 100/20 |
| AT&T | Fixed wireless | 16% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Middletown’s trash rules yet
Pickup rules, the dump and recycling in Middletown.
Where your child goes to school
Public school districts and the school path by grade.
Most of Middletown (71%) is in Corunna Public School District; parts are in Owosso Public Schools (29%).
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
Middletown is unincorporated, so Shiawassee 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.
Middletown spans 2 ZIP codes
ZIP codes where Middletown residents live, with the share of the town in each.
| ZIP | Post office name | Share of Middletown | ZIP’s residents in Middletown |
|---|---|---|---|
| 48867 | Owosso, MI | 98% | 3% |
| 48817 | Corunna, MI | 2% | 0% |
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 Middletown
Who supplies Middletown’s drinking water, and has it had violations?
The City of Owosso water system (EPA ID MI0005120). It reported 1 health-based violation to EPA in the five years to October 2026: a bacteria testing requirement (Revised Total Coliform Rule). 83% of systems its size had none. Its latest lead 90th percentile was 9.0 ppb (Jan–Dec 2025), against a 15 ppb action level.
Who provides electricity in Middletown?
Consumers Energy (Consumers Energy Co.), an investor-owned utility. Its homes paid about 20.7¢ per kWh in 2025 (EIA).
What internet providers serve Middletown?
Spectrum, Frontier, DayStarr, Verizon, T-Mobile, AT&T (FCC, as of December 2025).
What ZIP codes are in Middletown?
48867 (98%), 48817 (2%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Middletown in?
Corunna Public School District. Parts of the city are in Owosso Public Schools.
How do I register to vote in Middletown?
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 Caledonia 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.