Photo: {{{1}}} · CC BY-SA 2.0Living in Cannon Ball, ND: what to set up and who to call
An EPA health-based violation from 2024 is still open for Standing Rock Rural Water System, which supplies Cannon Ball, and its latest lead result (6.3 ppb) was higher than 95% of similar systems’, though under the 15 ppb action level. Cannon Ball has no town government of its own, so Sioux County runs its elections and most services, and its children attend Solen Public School District 3.
I’m new in town
What to set up in Cannon Ball, 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 Cannon Ball.
Power comes from Montana-Dakota Utilities
Montana-Dakota Utilities (Montana-Dakota Utilities Co), an investor-owned utility, serves all of Cannon Ball. Its homes paid an average of 11.1¢ per kWh in 2025, about $92 a month (its average across North Dakota).
Start or move service: montana-dakota.com · (800) 638-3278
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Standing Rock Rural Water System
Standing Rock Rural Water System supplies almost all of Cannon Ball. It draws surface water and serves 6,839 people in all.
1 health-based violation reported to EPA in the five years to October 2026: a surface water treatment requirement (Long Term 2 Enhanced Surface Water Treatment Rule), beginning Oct 2024. 80% of the 5,012 systems serving 3,301–10,000 people had none. 1 older violation is still open, since 2024: a surface water treatment requirement (Long Term 2 Enhanced Surface Water Treatment Rule), per EPA’s records.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, was 6.3 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. Violations are counted by the start of their compliance period. 084690510.
2 home internet providers serve Cannon Ball
100% of 240 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| West River Telecommunications Cooperative | Fiber | 100% | 1,000/1,000 |
| Standing Rock Telecom | Fixed wireless | 80% | 10/1 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Cannon Ball’s trash rules yet
Pickup rules, the dump and recycling in Cannon Ball.
Where your child goes to school
Public school districts and the school path by grade.
Most of Cannon Ball (92%) is in Solen Public School District 3; parts are in Fort Yates Public School District 4 (8%).
Test scores and every school: see Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
No town hall: the county runs things
Cannon Ball is unincorporated, so Sioux County is the local government.
Election office: FVAP local election office directory, updated Oct 2022; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Jul 30, 2024.
Cannon Ball spans 3 ZIP codes
ZIP codes where Cannon Ball residents live, with the share of the town in each.
| ZIP | Post office name | Share of Cannon Ball | ZIP’s residents in Cannon Ball |
|---|---|---|---|
| 58528 | Cannon Ball, ND | 87% | 100% |
| 58538 | Fort Yates, ND | 10% | 4% |
| 58570 | Solen, ND | 2% | 6% |
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 Cannon Ball
Who supplies Cannon Ball’s drinking water, and has it had violations?
Standing Rock Rural Water System (EPA ID 084690510). It reported 1 health-based violation to EPA in the five years to October 2026: a surface water treatment requirement (Long Term 2 Enhanced Surface Water Treatment Rule). 80% of systems its size had none. Its latest lead 90th percentile was 6.3 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Cannon Ball?
Montana-Dakota Utilities (Montana-Dakota Utilities Co), an investor-owned utility. Its homes paid about 11.1¢ per kWh in 2025 (EIA).
What internet providers serve Cannon Ball?
West River Telecommunications Cooperative, Standing Rock Telecom (FCC, as of December 2025).
What ZIP codes are in Cannon Ball?
58528 (87%), 58538 (10%), 58570 (2%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Cannon Ball in?
Solen Public School District 3. Parts of the city are in Fort Yates Public School District 4.
How do I register to vote in Cannon Ball?
North Dakota has no voter registration: you show ID at the polls. Elections here are run by the Sioux County Auditor. Check your registration at vip.sos.nd.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 Jul 30, 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.