South Milwaukee Post Office · Photo: Freekee · Public domainLiving in South Milwaukee, WI: what to set up and who to call
South Milwaukee Waterworks has a clean five-year EPA record, but its latest lead result, 7.7 ppb, was higher than 96% of similar systems’ (the action level is 15). Elections in South Milwaukee are run by South Milwaukee itself; register with the City of South Milwaukee Clerk.
I’m new in town
What to set up in South Milwaukee, 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 South Milwaukee.
Power comes from We Energies
We Energies (Wisconsin Electric Power Co.), an investor-owned utility, serves all of South Milwaukee. Its homes paid an average of 20.5¢ per kWh in 2025, about $131 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 South Milwaukee Waterworks
South Milwaukee Waterworks supplies almost all of South Milwaukee. It draws surface water and serves 21,340 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jun–Sep 2023, was 7.7 ppb, below the 15 ppb action level that applied. That’s higher than 96% 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. WI2410144.
4 home internet providers serve South Milwaukee
98% of 6,409 addresses can get 100/20 Mbps; 61% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 98% | 1,000/35 |
| AT&T | DSL, Fiber, Fixed wireless | 96% | 5,000/5,000 |
| T-Mobile | Fixed wireless | 59% | 100/20 |
| Verizon | Fixed wireless | 50% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in South Milwaukee is Monday, Tuesday, Wednesday or Thursday, depending on your street
Pickup days, the drop-off and recycling in South Milwaukee, from the town’s own site.
Your pickup week
- TrashEvery week, on your street’s day (Mon, Tue, Wed or Thu)Look up your day on southmilwaukee.gov
- RecyclingEvery week
Holidays change the pickup schedule: check the town’s calendar for those weeks.
Self-Deposit Station
1106 Blake Avenue
We couldn’t find its opening hours.
Single-stream recycling
All your recyclables go in one bin, no sorting.
From southmilwaukee.gov, the town’s official site, checked Oct 21, 2026; pages dated 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.
South Milwaukee is in South Milwaukee 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.
South Milwaukee is in ZIP code 53172
ZIP codes where South Milwaukee residents live, with the share of the town in each.
| ZIP | Post office name | Share of South Milwaukee | ZIP’s residents in South Milwaukee |
|---|---|---|---|
| 53172 | South Milwaukee, WI | 100% | 100% |
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 South Milwaukee
Who supplies South Milwaukee’s drinking water, and has it had violations?
South Milwaukee Waterworks (EPA ID WI2410144). It reported no health-based violations to EPA in the five years to October 2026; 83% of systems its size had none. Its latest lead 90th percentile was 7.7 ppb (Jun–Sep 2023), against a 15 ppb action level.
Who provides electricity in South Milwaukee?
We Energies (Wisconsin Electric Power Co.), an investor-owned utility. Its homes paid about 20.5¢ per kWh in 2025 (EIA).
What internet providers serve South Milwaukee?
Spectrum, AT&T, T-Mobile, Verizon (FCC, as of December 2025).
What ZIP codes are in South Milwaukee?
53172. Census 2020 ZIP Code Tabulation Areas.
What school district is South Milwaukee in?
South Milwaukee School District.
How do I register to vote in South Milwaukee?
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 South Milwaukee 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: South Milwaukee’s own website (southmilwaukee.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.