Photo: Myotus · CC BY 4.0Living in Cambridge, MN: what to set up and who to call
Tap water in Cambridge comes from the Cambridge water system, which has a clean five-year EPA record (about 20% of systems its size had a health-based violation) and a latest lead result of 1.0 ppb. Power in Cambridge comes from East Central Energy, a cooperative utility rather than a private company.
I’m new in town
What to set up in Cambridge, 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 Cambridge.
Power comes from East Central Energy
East Central Energy (East Central Energy), a cooperative utility, serves 87.8% of Cambridge residents. Its homes paid an average of 17.6¢ per kWh in 2025, about $151 a month (its average across Minnesota).
Start or move service: eastcentralenergy.com · (800) 254-7944
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Cambridge water system
The Cambridge water system supplies Cambridge: about 94% of residents live in its service area. It draws ground water and serves 9,862 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 2023–Dec 2025, was 1.0 ppb, below the 15 ppb action level that applied. The highest in five years was 3.0 ppb. That’s lower than 57% 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. MN1300002.
8 home internet providers serve Cambridge
100% of 3,323 addresses can get 100/20 Mbps; 83% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Midco | Cable, Fiber | 99% | 2,000/1,000 |
| Windstream | DSL | 85% | 200/20 |
| ECE Fiber | Fiber | 80% | 2,000/2,000 |
| CenturyLink | DSL, Fiber | 31% | 60/5 |
| GigFire | Fixed wireless | 99% | 150/130 |
| T-Mobile | Fixed wireless | 69% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Cambridge has its own drop-off: Waste Management
Where to take trash and recycling in Cambridge, and where the rules are.
Waste Management
Before you go, check the rules on ci.cambridge.mn.us.
OpenStreetMap, as of Oct 9, 2026 (last edited Feb 2020). © OpenStreetMap contributors.
Where your child goes to school
Public school districts and the school path by grade.
Cambridge is in Cambridge-Isanti Public School District.
B−School 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 Apr 2022; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Cambridge is in ZIP code 55008
ZIP codes where Cambridge residents live, with the share of the town in each.
| ZIP | Post office name | Share of Cambridge | ZIP’s residents in Cambridge |
|---|---|---|---|
| 55008 | Cambridge, MN | 100% | 58% |
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 Cambridge
Who supplies Cambridge’s drinking water, and has it had violations?
The Cambridge water system (EPA ID MN1300002). 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 1.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Cambridge?
East Central Energy (East Central Energy), a cooperative utility. Its homes paid about 17.6¢ per kWh in 2025 (EIA).
What internet providers serve Cambridge?
Midco, Windstream, ECE Fiber, CenturyLink, GigFire, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Cambridge?
55008. Census 2020 ZIP Code Tabulation Areas.
What school district is Cambridge in?
Cambridge-Isanti Public School District.
How do I register to vote in Cambridge?
In Minnesota 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 Isanti County Auditor-Treasurer's Office. Check your registration at mnvotes.sos.state.mn.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 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.