Living in Harmony, WI: what to set up and who to call
To register to vote, go to the Town of Harmony Clerk: Harmony runs its own elections. Milton Public Library, 4.1 miles away, is the closest library to Harmony.
I’m new in town
What to set up in Harmony, 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 Harmony.
Power comes from Wisconsin Power & Light
Wisconsin Power & Light (Wisconsin Power & Light Co), an investor-owned utility, serves all of Harmony. Its homes paid an average of 18.5¢ per kWh in 2025, about $128 a month (its average across Wisconsin).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Janesville Water Utility
Janesville Water Utility supplies Harmony: about 29% of residents live in its service area. About 71% 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 64,415 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 90% of the 597 systems serving 50,001–100,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Jun 2026, was 2.4 ppb, below the 15 ppb action level that applied. That’s higher than 75% 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. WI1540127.
10 home internet providers serve Harmony
87% of 1,033 addresses can get 100/20 Mbps; 45% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 79% | 1,000/35 |
| AT&T | Fixed wireless, DSL, Fiber | 50% | 25/5 |
| TDS Telecom | Fiber | 41% | 8,000/8,000 |
| Brightspeed | DSL | 5% | 100/10 |
| Bug Tussel | Fixed wireless | 93% | 50/8 |
| Verizon | Fixed wireless | 73% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
John's Disposal (Johns Disposal) picks up trash in Harmony
Pickup days, the drop-off and recycling in Harmony, from the town’s own site.
Goodwill Retail Services
2003 Holiday Dr., Janesville
Milwaukee PC
2811 Milton Ave., Janesville
Universal Recycling Technologies
2535 Beloit Ave., Janesville
WMRA Janesville
340 Blackbridge Rd, Janesville
We couldn’t find pickup days or drop-off hours. Check townofharmonyrc.gov →
From townofharmonyrc.gov, the town’s official site, checked Oct 21, 2026. Rules change: the town’s page is the last word. .
Where your child goes to school
Public school districts and the school path by grade.
Most of Harmony (99%) is in Milton School District.
A−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 Jun 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Harmony spans 2 ZIP codes
ZIP codes where Harmony residents live, with the share of the town in each.
| ZIP | Post office name | Share of Harmony | ZIP’s residents in Harmony |
|---|---|---|---|
| 53563 | Milton, WI | 68% | 15% |
| 53546 | Janesville, WI | 32% | 3% |
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 Harmony
Who supplies Harmony’s drinking water, and has it had violations?
Janesville Water Utility (EPA ID WI1540127). It reported no health-based violations to EPA in the five years to October 2026; 90% of systems its size had none. Its latest lead 90th percentile was 2.4 ppb (Jan–Jun 2026), against a 15 ppb action level.
Who provides electricity in Harmony?
Wisconsin Power & Light (Wisconsin Power & Light Co), an investor-owned utility. Its homes paid about 18.5¢ per kWh in 2025 (EIA).
What internet providers serve Harmony?
Spectrum, AT&T, TDS Telecom, Brightspeed, Bug Tussel, Verizon (FCC, as of December 2025).
What ZIP codes are in Harmony?
53563 (68%), 53546 (32%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Harmony in?
Milton School District.
How do I register to vote in Harmony?
In Wisconsin you can register online until 20 days before Election Day, in person up to and including Election Day, or by mail (postmarked 20 days before). Elections here are run by the Town of Harmony Clerk. Check your registration at myvote.wi.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: Harmony’s own website (townofharmonyrc.gov), read Oct 21, 2026, pickup and drop-off facts extracted and checked against the page they came from.
- 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.