Photo: WeaponizingArchitecture · CC BY-SA 4.0Living in Rapid City, SD: what to set up and who to call
The Rapid City water system has a clean five-year EPA record, but its latest lead result, 6.0 ppb, was higher than 94% of similar systems’ (the action level is 15). Monument Health Rapid City Hospital, 1.2 miles away, is the nearest emergency room.
I’m new in town
What to set up in Rapid 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 Rapid City.
Power comes from Black Hills Energy
Black Hills Energy (Black Hills Power, Inc.), an investor-owned utility, serves all of Rapid City. Its homes paid an average of 15.1¢ per kWh in 2025, about $106 a month (its average across South Dakota).
Start or move service: blackhillspower.com · (800) 742-8948
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Rapid City water system
The Rapid City water system supplies Rapid City: about 93% of residents live in its service area. About 4% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws surface water and serves 72,009 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 90% of the 597 systems serving 50,001–100,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2024, was 6.0 ppb, below the 15 ppb action level that applied. That’s higher than 94% 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. SD4600406.
8 home internet providers serve Rapid City
99% of 25,442 addresses can get 100/20 Mbps; 31% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Midco | Cable, Fiber | 99% | 2,000/1,000 |
| Bluepeak | Cable, Fiber | 88% | 5,000/5,000 |
| CenturyLink | DSL, Fiber | 43% | 60/5 |
| Quantum Fiber | Fiber | 4% | 2,000/1,000 |
| Wisp West, Celerity Internet | Fixed wireless | 61% | 100/20 |
| Verizon | Fixed wireless | 54% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Curbside recycling in Rapid City: every week
Pickup days, the drop-off and recycling in Rapid City, from the town’s own site and the hauler or county pages it links to.
We couldn’t find pickup days or drop-off hours. Check rcgov.org →
From rapidcityrecycles.org, which rcgov.org links to for trash, checked Oct 24, 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.
Most of Rapid City (95%) is in Rapid City School District 51-4; parts are in Douglas School District 51-1 (5%).
CSchool 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.
Rapid City spans 3 ZIP codes
ZIP codes where Rapid City residents live, with the share of the town in each.
| ZIP | Post office name | Share of Rapid City | ZIP’s residents in Rapid City |
|---|---|---|---|
| 57701 | Rapid City, SD | 59% | 96% |
| 57702 | Rapid City, SD | 32% | 73% |
| 57703 | Rapid City, SD | 8% | 37% |
57709 is P.O. box or single-organization ZIP with no homes.
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 Rapid City
Who supplies Rapid City’s drinking water, and has it had violations?
The Rapid City water system (EPA ID SD4600406). It reported no health-based violations to EPA in the five years to October 2026; 90% of systems its size had none. Its latest lead 90th percentile was 6.0 ppb (Jan–Dec 2024), against a 15 ppb action level.
Who provides electricity in Rapid City?
Black Hills Energy (Black Hills Power, Inc.), an investor-owned utility. Its homes paid about 15.1¢ per kWh in 2025 (EIA).
What internet providers serve Rapid City?
Midco, Bluepeak, CenturyLink, Quantum Fiber, Wisp West, Celerity Internet, Verizon (FCC, as of December 2025).
What ZIP codes are in Rapid City?
57701 (59%), 57702 (32%), 57703 (8%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Rapid City in?
Rapid City School District 51-4. Parts of the city are in Douglas School District 51-1.
How do I register to vote in Rapid 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 Pennington 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: the hauler or county pages it links to (rapidcityrecycles.org), read Oct 24, 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.