Photo: Royalbroil · CC BY-SA 3.0Living in Sauk City, WI: what to set up and who to call
Sauk City runs its own electric utility, Village of Sauk City. Sauk City Waterworks has a clean five-year EPA record, but its latest lead result, 6.4 ppb, was higher than 95% of similar systems’ (the action level is 15).
I’m new in town
What to set up in Sauk City, 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 Sauk City.
Power comes from Village of Sauk City
Village of Sauk City (Village of Sauk City - (WI)), a municipal utility, serves 93.6% of Sauk City residents.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Sauk City Waterworks
Sauk City Waterworks supplies almost all of Sauk City. It draws ground water and serves 3,518 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 Jun–Sep 2023, was 6.4 ppb, below the 15 ppb action level that applied. That’s higher than 95% 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. WI1570105.
7 home internet providers serve Sauk City
100% of 1,296 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| TDS Telecom | Fiber | 99% | 1,000/1,000 |
| Spectrum | Cable, Fiber | 96% | 1,000/35 |
| Frontier | Fiber, DSL | 90% | 7,000/7,000 |
| Bug Tussel | Fixed wireless | 100% | 10/1 |
| Verizon | Fixed wireless | 94% | 300/20 |
| T-Mobile | Fixed wireless | 91% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Sauk City’s trash rules yet
Pickup rules, the dump and recycling in Sauk City.
Where your child goes to school
Public school districts and the school path by grade.
Sauk City is in Sauk Prairie 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 May 2026; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Sauk City is in ZIP code 53583
ZIP codes where Sauk City residents live, with the share of the town in each.
| ZIP | Post office name | Share of Sauk City | ZIP’s residents in Sauk City |
|---|---|---|---|
| 53583 | Sauk City, WI | 100% | 61% |
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 Sauk City
Who supplies Sauk City’s drinking water, and has it had violations?
Sauk City Waterworks (EPA ID WI1570105). 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 6.4 ppb (Jun–Sep 2023), against a 15 ppb action level.
Who provides electricity in Sauk City?
Village of Sauk City (Village of Sauk City - (WI)), a municipal utility.
What internet providers serve Sauk City?
TDS Telecom, Spectrum, Frontier, Bug Tussel, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Sauk City?
53583. Census 2020 ZIP Code Tabulation Areas.
What school district is Sauk City in?
Sauk Prairie School District.
How do I register to vote in Sauk City?
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 Village of Sauk City 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: 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.