Meisch House · Photo: Ammodramus · Public domainLiving in South Sioux City, NE: what to set up and who to call
South Sioux City runs its own electric utility, City of South Sioux City; its homes paid 12.9¢ per kWh in 2025. Sparklight and Long Lines both wire most of South Sioux City; 78% of addresses can get fiber.
I’m new in town
What to set up in South Sioux 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 South Sioux City.
Power comes from City of South Sioux City
City of South Sioux City (City of South Sioux City), a municipal utility, serves all of South Sioux City. Its homes paid an average of 12.9¢ per kWh in 2025, about $109 a month (its average across Nebraska).
Start or move service: southsiouxcity.org
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of South Sioux City water system
The City of South Sioux City water system supplies almost all of South Sioux City. It buys ground water influenced by surface water (EPA lists Sioux City Water Supply as seller) and serves 14,043 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 Jan 2023–Dec 2025, was 1.1 ppb, below the 15 ppb action level that applied. The highest in five years was 3.7 ppb. That’s lower than 51% 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. NE3104309.
8 home internet providers serve South Sioux City
99% of 4,051 addresses can get 100/20 Mbps; 78% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Sparklight | Cable, Fiber | 98% | 1,000/50 |
| Long Lines | Fiber, Cable | 81% | 1,000/1,000 |
| ImOn Communications | Fiber | 75% | 1,000/1,000 |
| CenturyLink | DSL | 46% | 40/3 |
| Nextlink | Fixed wireless | 74% | 1,000/500 |
| Verizon | Fixed wireless | 38% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have South Sioux City’s trash rules yet
Pickup rules, the dump and recycling in South Sioux City.
Where your child goes to school
Public school districts and the school path by grade.
South Sioux City is in South Sioux City Community Schools.
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 Jun 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 30, 2026.
South Sioux City is in ZIP code 68776
ZIP codes where South Sioux City residents live, with the share of the town in each.
| ZIP | Post office name | Share of South Sioux City | ZIP’s residents in South Sioux City |
|---|---|---|---|
| 68776 | South Sioux City, NE | 100% | 88% |
A few homes fall in 68731.
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 Sioux City
Who supplies South Sioux City’s drinking water, and has it had violations?
The City of South Sioux City water system (EPA ID NE3104309). 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 1.1 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in South Sioux City?
City of South Sioux City (City of South Sioux City), a municipal utility. Its homes paid about 12.9¢ per kWh in 2025 (EIA).
What internet providers serve South Sioux City?
Sparklight, Long Lines, ImOn Communications, CenturyLink, Nextlink, Verizon (FCC, as of December 2025).
What ZIP codes are in South Sioux City?
68776. Census 2020 ZIP Code Tabulation Areas.
What school district is South Sioux City in?
South Sioux City Community Schools.
How do I register to vote in South Sioux City?
In Nebraska you can register online until 18 days before Election Day, in person until 11 days before Election Day, or by mail (postmarked 18 days before). Elections here are run by the Dakota County Clerk. Check your registration at votercheck.necvr.ne.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 Sep 30, 2026 (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.