Photo: Public domain · Public domainLiving in Union, ME: what to set up and who to call
Voting is local here: the Union Registrar of Voters registers voters and runs elections, not the county. Spectrum and Tidewater O.p.e.n both wire most of Union; 71% of addresses can get fiber.
I’m new in town
What to set up in Union, 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 Union.
Power comes from Central Maine Power
Central Maine Power (Central Maine Power Co), an investor-owned utility, serves all of Union. Its homes paid an average of 27.4¢ per kWh in 2025, about $147 a month (its average across Maine, for customers on its standard service). Maine lets you buy power from another supplier; 8% of Central Maine Power’s home customers do, and Central Maine Power still delivers it.
Start or move service: cmpco.com · (800) 750-4000
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Maine Water Company Union Division
Maine Water Company Union Division supplies Union: 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 ground water and serves 238 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 2022–Dec 2024, was 0.5 ppb, below the 15 ppb action level that applied. That’s lower than 56% 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. ME0091537.
8 home internet providers serve Union
96% of 1,178 addresses can get 100/20 Mbps; 71% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 70% | 1,000/50 |
| Tidewater O.p.e.n. | Fiber | 66% | 1,000/1,000 |
| Tidewater Telecom | DSL | 18% | 10/1 |
| Lincolnville Telephone Company | Fiber | 2% | 1,000/1,000 |
| Redzone Wireless | Fixed wireless | 63% | 50/15 |
| T-Mobile | Fixed wireless | 43% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Union’s trash rules yet
Pickup rules, the dump and recycling in Union.
Where your child goes to school
Public school districts and the school path by grade.
Union is in School Administrative District 40.
CSchool 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 Oct 2026; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
Union is in ZIP code 04862
ZIP codes where Union residents live, with the share of the town in each.
| ZIP | Post office name | Share of Union | ZIP’s residents in Union |
|---|---|---|---|
| 04862 | Union, ME | 100% | 63% |
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 Union
Who supplies Union’s drinking water, and has it had violations?
Maine Water Company Union Division (EPA ID ME0091537). 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 0.5 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Union?
Central Maine Power (Central Maine Power Co), an investor-owned utility. Its homes paid about 27.4¢ per kWh in 2025 (EIA).
What internet providers serve Union?
Spectrum, Tidewater O.p.e.n., Tidewater Telecom, Lincolnville Telephone Company, Redzone Wireless, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Union?
04862. Census 2020 ZIP Code Tabulation Areas.
What school district is Union in?
School Administrative District 40.
How do I register to vote in Union?
In Maine you can register online until 21 days before Election Day, in person up to and including Election Day, or by mail (received 21 days before). Elections here are run by the Union Registrar of Voters. Check your registration at maine.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 National Broadband Map, as of December 2025.