Living in North Sioux City, SD: what to set up and who to call
Power in North Sioux City comes from Union County Electric Coop, a cooperative utility rather than a private company. Children in North Sioux City attend Dakota Valley School District 61-8.
I’m new in town
What to set up in North 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 North Sioux City.
Power comes from Union County Electric Coop
Union County Electric Coop (Union County Electric Coop Inc), a cooperative utility, serves all of North Sioux City.
Start or move service: unioncounty.coop · (605) 356-3395
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from North Sioux City water system
The North Sioux City water system supplies almost all of North Sioux City. It draws ground water and serves 3,042 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 7,966 systems serving 1,001–3,300 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2023, was 4.0 ppb, below the 15 ppb action level that applied. That’s higher than 88% 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. Violations are counted by the start of their compliance period. SD4600226.
7 home internet providers serve North Sioux City
100% of 1,169 addresses can get 100/20 Mbps; 29% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Sparklight | Cable, Fiber | 99% | 1,000/50 |
| Long Lines Metro | Cable, Fiber | 82% | 1,500/50 |
| ImOn Communications | Fiber | 29% | 1,000/1,000 |
| CenturyLink | DSL | 23% | 100/10 |
| Verizon | Fixed wireless | 76% | 300/20 |
| AT&T | Fixed wireless | 54% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash and recycling in North Sioux City
Pickup days, the drop-off and recycling in North Sioux City, from the town’s own site.
City Dumpster
300 Parkside Avenue, North Sioux City, SD 57049
- Sat7:30 am–1 pm
From northsiouxcity-sd.gov, the town’s official site, checked Oct 21, 2026; pages dated 2026-10-05T21:45:48+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.
North Sioux City is in Dakota Valley School District 61-8.
A−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 Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
North Sioux City is in ZIP code 57049
ZIP codes where North Sioux City residents live, with the share of the town in each.
| ZIP | Post office name | Share of North Sioux City | ZIP’s residents in North Sioux City |
|---|---|---|---|
| 57049 | North Sioux City, SD | 100% | 39% |
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 North Sioux City
Who supplies North Sioux City’s drinking water, and has it had violations?
The North Sioux City water system (EPA ID SD4600226). It reported no health-based violations to EPA in the five years to October 2026; 78% of systems its size had none. Its latest lead 90th percentile was 4.0 ppb (Jan–Dec 2023), against a 15 ppb action level.
Who provides electricity in North Sioux City?
Union County Electric Coop (Union County Electric Coop Inc), a cooperative utility.
What internet providers serve North Sioux City?
Sparklight, Long Lines Metro, ImOn Communications, CenturyLink, Verizon, AT&T (FCC, as of December 2025).
What ZIP codes are in North Sioux City?
57049. Census 2020 ZIP Code Tabulation Areas.
What school district is North Sioux City in?
Dakota Valley School District 61-8.
How do I register to vote in North Sioux City?
South Dakota has no online registration; you can register in person until 15 days before Election Day or by mail (received 15 days before). Elections here are run by the Union County Auditor. Check your registration at vip.sdsos.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: North Sioux City’s own website (northsiouxcity-sd.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 Aug 3, 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.