Photo: James Steakley · CC BY-SA 3.0Living in Jefferson, WI: what to set up and who to call
Jefferson Waterworks reported 7 health-based violations to EPA in the last five years: radium (combined radium-226 and -228) ×7. 80% of systems its size reported none. Jefferson runs its own electric utility, Jefferson Utilities; its homes paid 12.4¢ per kWh in 2025.
I’m new in town
What to set up in Jefferson, 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 Jefferson.
Power comes from Jefferson Utilities
Jefferson Utilities (Jefferson Utilities), a municipal utility, serves all of Jefferson. Its homes paid an average of 12.4¢ per kWh in 2025, about $86 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 Jefferson Waterworks
Jefferson Waterworks supplies almost all of Jefferson. It draws ground water and serves 7,926 people in all.
7 health-based violations reported to EPA in the five years to October 2026: radium (combined radium-226 and -228) ×7, the latest beginning Apr 2024. 80% of the 5,012 systems serving 3,301–10,000 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jul–Dec 2024, was 3.5 ppb, below the 15 ppb action level that applied. That’s higher than 85% 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. WI1280104.
9 home internet providers serve Jefferson
97% of 2,743 addresses can get 100/20 Mbps; 36% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 95% | 1,000/35 |
| Bug Tussel | Fixed wireless, Fiber | 58% | 1,000/1,000 |
| TDS Telecom | Fiber | 21% | 8,000/8,000 |
| AT&T | DSL, Fixed wireless | 7% | 25/3 |
| Bertram Communications | Fixed wireless | 99% | 100/20 |
| Verizon | Fixed wireless | 90% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in Jefferson is Tuesday
Pickup days, the drop-off and recycling in Jefferson, from the town’s own site.
This month
- TrashEvery week
When a holiday falls on a weekday, pickup slides one day later for the rest of that week.
From jeffersonwis.com, the town’s official site, checked Oct 21, 2026; pages dated 2026, 2026-03-27T17:33:32+00:00, 2026-03-27T17:43:16+00:00, 2026-04-15T19:28:26+00:00. 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.
Jefferson is in Jefferson School District.
C+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 2026; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Jefferson is in ZIP code 53549
ZIP codes where Jefferson residents live, with the share of the town in each.
| ZIP | Post office name | Share of Jefferson | ZIP’s residents in Jefferson |
|---|---|---|---|
| 53549 | Jefferson, WI | 100% | 76% |
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 Jefferson
Who supplies Jefferson’s drinking water, and has it had violations?
Jefferson Waterworks (EPA ID WI1280104). It reported 7 health-based violations to EPA in the five years to October 2026: radium (combined radium-226 and -228) ×7. 80% of systems its size had none. Its latest lead 90th percentile was 3.5 ppb (Jul–Dec 2024), against a 15 ppb action level.
Who provides electricity in Jefferson?
Jefferson Utilities (Jefferson Utilities), a municipal utility. Its homes paid about 12.4¢ per kWh in 2025 (EIA).
What internet providers serve Jefferson?
Spectrum, Bug Tussel, TDS Telecom, AT&T, Bertram Communications, Verizon (FCC, as of December 2025).
What ZIP codes are in Jefferson?
53549. Census 2020 ZIP Code Tabulation Areas.
What school district is Jefferson in?
Jefferson School District.
How do I register to vote in Jefferson?
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 City of Jefferson 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: Jefferson’s own website (jeffersonwis.com), 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.