Melan Bridge · Photo: Joseph Elliott · Public domainLiving in Rock Rapids, IA: what to set up and who to call
Rock Rapids runs its own electric utility, Rock Rapids Municipal Utility. Most homes in Rock Rapids have two wired internet choices, Premier Communications and Heartland Telecommunications Company of Iowa.
I’m new in town
What to set up in Rock Rapids, 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 Rock Rapids.
Power comes from Rock Rapids Municipal Utility
Rock Rapids Municipal Utility (Rock Rapids Municipal Utility - (IA)), a municipal utility, serves all of Rock Rapids.
Start or move service: rockrapids.net · (712) 472-2511
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Lyon-Sioux Rws-Rock Rapids water system
The Lyon-Sioux Rws-Rock Rapids water system supplies Rock Rapids: about 50% of residents live in its service area. About 48% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It buys treated ground water (EPA lists Lyon-Sioux Rws-Doon and Lyon-Sioux Rws-Boyden and Lyon-Sioux Rws-Big Sioux and Rock Rapids Municipal Water Works as sellers) and serves 1,187 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 2022–Dec 2024, was 2.0 ppb, below the 15 ppb action level that applied. That’s higher than 69% 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. IA6000800.
4 home internet providers serve Rock Rapids
100% of 1,232 addresses can get 100/20 Mbps; 60% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Premier Communications | Cable | 93% | 1,000/100 |
| Heartland Telecommunications Company of Iowa | Fiber | 62% | 1,000/1,000 |
| AT&T | Fixed wireless | 83% | 100/20 |
| T-Mobile | Fixed wireless | 78% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Rock Rapids’ trash rules yet
Pickup rules, the dump and recycling in Rock Rapids.
Where your child goes to school
Public school districts and the school path by grade.
Rock Rapids is in Central Lyon Community School District.
ASchool 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 Aug 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Rock Rapids is in ZIP code 51246
ZIP codes where Rock Rapids residents live, with the share of the town in each.
| ZIP | Post office name | Share of Rock Rapids | ZIP’s residents in Rock Rapids |
|---|---|---|---|
| 51246 | Rock Rapids, IA | 100% | 68% |
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 Rock Rapids
Who supplies Rock Rapids’ drinking water, and has it had violations?
The Lyon-Sioux Rws-Rock Rapids water system (EPA ID IA6000800). 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 2.0 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Rock Rapids?
Rock Rapids Municipal Utility (Rock Rapids Municipal Utility - (IA)), a municipal utility.
What internet providers serve Rock Rapids?
Premier Communications, Heartland Telecommunications Company of Iowa, AT&T, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Rock Rapids?
51246. Census 2020 ZIP Code Tabulation Areas.
What school district is Rock Rapids in?
Central Lyon Community School District.
How do I register to vote in Rock Rapids?
In Iowa you can register online until 15 days before Election Day, in person up to and including Election Day, or by mail (postmarked 15 days before). Elections here are run by the Lyon County Auditor. Check your registration at sos.iowa.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 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.