Photo: Edit6212 · CC BY-SA 4.0Living in Prairie du Sac, WI: what to set up and who to call
Prairie du Sac runs its own electric utility, Village of Prairie Du Sac; its homes paid 12.0¢ per kWh in 2025. Prairie Du Sac Waterworks reported one health-based violation to EPA in the last five years: a lead and copper treatment requirement (Lead and Copper Rule Revisions), beginning Oct 2024.
I’m new in town
What to set up in Prairie du Sac, 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 Prairie du Sac.
Power comes from Village of Prairie Du Sac
Village of Prairie Du Sac (Village of Prairie Du Sac - (WI)), a municipal utility, serves 95.4% of Prairie du Sac residents. Its homes paid an average of 12.0¢ per kWh in 2025, about $79 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 Prairie Du Sac Waterworks
Prairie Du Sac Waterworks supplies almost all of Prairie du Sac. It draws ground water and serves 4,006 people in all.
1 health-based violation reported to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions), beginning Oct 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 Mar–Jun 2026, was 5.3 ppb, below the 15 ppb action level that applied. That’s higher than 93% 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. WI1570100.
7 home internet providers serve Prairie du Sac
100% of 1,508 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| TDS Telecom | Fiber | 100% | 1,000/1,000 |
| Spectrum | Cable, Fiber | 97% | 1,000/35 |
| Frontier | Fiber, DSL | 69% | 7,000/7,000 |
| Bug Tussel | Fixed wireless | 100% | 10/1 |
| Verizon | Fixed wireless | 95% | 300/20 |
| T-Mobile | Fixed wireless | 77% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in Prairie du Sac is Tuesday or Thursday, depending on your street
Pickup days, the drop-off and recycling in Prairie du Sac, from the town’s own site.
Your pickup week
- TrashEvery week, on your street’s day (Tue or Thu)Find your street’s day on prairiedusac.net →
- Bulky itemsCall to book
Brush & Compost Site
1005 19th Street, Prairie du Sac
We couldn’t find its opening hours.
Accepted at the curb
- Plastics 1-7
- Newspapers, shiny inserts, magazines, phone books
- Aluminum and tin
From prairiedusac.net, the town’s official site, checked Oct 21, 2026; pages dated 2026, August 2021. 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.
Prairie du Sac 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.
Prairie du Sac is in ZIP code 53578
ZIP codes where Prairie du Sac residents live, with the share of the town in each.
| ZIP | Post office name | Share of Prairie du Sac | ZIP’s residents in Prairie du Sac |
|---|---|---|---|
| 53578 | Prairie Du Sac, WI | 100% | 67% |
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 Prairie du Sac
Who supplies Prairie du Sac’s drinking water, and has it had violations?
Prairie Du Sac Waterworks (EPA ID WI1570100). It reported 1 health-based violation to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions). 80% of systems its size had none. Its latest lead 90th percentile was 5.3 ppb (Mar–Jun 2026), against a 15 ppb action level.
Who provides electricity in Prairie du Sac?
Village of Prairie Du Sac (Village of Prairie Du Sac - (WI)), a municipal utility. Its homes paid about 12.0¢ per kWh in 2025 (EIA).
What internet providers serve Prairie du Sac?
TDS Telecom, Spectrum, Frontier, Bug Tussel, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Prairie du Sac?
53578. Census 2020 ZIP Code Tabulation Areas.
What school district is Prairie du Sac in?
Sauk Prairie School District.
How do I register to vote in Prairie du Sac?
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 Prairie Du Sac 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: Prairie du Sac’s own website (prairiedusac.net), 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.