Living in Mayville Township, MN: what to set up and who to call
Power in Mayville Township comes from MiEnergy Cooperative, a cooperative utility rather than a private company. For a library card, the closest branch is Caledonia Public Library, 2.8 miles out.
I’m new in town
What to set up in Mayville 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 Mayville Township.
Power comes from MiEnergy Cooperative
MiEnergy Cooperative (MiEnergy Cooperative), a cooperative utility, serves all of Mayville Township. Its homes paid an average of 16.9¢ per kWh in 2025, about $166 a month (its average across Minnesota).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Caledonia water system
The Caledonia water system supplies Mayville Township: about 14% of residents live in its service area. About 86% 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 2,824 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 7,966 systems serving 1,001–3,300 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2021–Dec 2023, was 4.0 ppb, below the 15 ppb action level that applied. That’s higher than 88% 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. MN1280002.
Which providers serve Mayville Township
This card will list the home internet providers the FCC’s National Broadband Map shows in Mayville Township, the share of addresses that can get 100/20 Mbps and the share with fiber, with the map’s “as of” date.
Source to come: FCC Broadband Data Collection.
We don’t have Mayville Township’s trash rules yet
Pickup rules, the dump and recycling in Mayville Township.
Where your child goes to school
Public school districts and the school path by grade.
Mayville Township is in Caledonia Public School District.
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.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Mayville Township is in ZIP code 55921
ZIP codes where Mayville Township residents live, with the share of the town in each.
| ZIP | Post office name | Share of Mayville Township | ZIP’s residents in Mayville Township |
|---|---|---|---|
| 55921 | Caledonia, MN | 100% | 8% |
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 Mayville Township
Who supplies Mayville Township’s drinking water, and has it had violations?
The Caledonia water system (EPA ID MN1280002). It reported no health-based violations to EPA in the five years to October 2026; 78% of systems its size had none. Its latest lead 90th percentile was 4.0 ppb (Jan 2021–Dec 2023), against a 15 ppb action level.
Who provides electricity in Mayville Township?
MiEnergy Cooperative (MiEnergy Cooperative), a cooperative utility. Its homes paid about 16.9¢ per kWh in 2025 (EIA).
What ZIP codes are in Mayville Township?
55921. Census 2020 ZIP Code Tabulation Areas.
What school district is Mayville Township in?
Caledonia Public School District.
How do I register to vote in Mayville Township?
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 Houston County Courthouse. 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): pending.