Photo: Brandonrush · Public domainLiving in Renwick, IA: what to set up and who to call
Renwick runs its own electric utility, City of Renwick. Almost every address in Renwick can get fiber (100%, by the FCC’s map).
I’m new in town
What to set up in Renwick, 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 Renwick.
Power comes from City of Renwick
City of Renwick (City of Renwick - (IA)), a municipal utility, serves all of Renwick.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Renwick Munic Water Supply
Renwick Munic Water Supply supplies Renwick: about 92% of residents live in its service area. About 8% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water and serves 234 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 77% of the 15,074 systems serving 101–500 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. The highest in five years was 6.0 ppb. That’s higher than 70% 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. IA4669080.
6 home internet providers serve Renwick
100% of 180 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Comm 1 Connects | Fiber | 99% | 1,000/1,000 |
| CenturyLink | DSL | 83% | 10/1 |
| T-Mobile | Fixed wireless | 75% | 100/20 |
| Nextlink | Fixed wireless | 56% | 1,000/1,000 |
| Northwest Communications | Fixed wireless | 15% | 25/5 |
| WMTel | Fixed wireless | 4% | 100/25 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Renwick’s trash rules yet
Pickup rules, the dump and recycling in Renwick.
Where your child goes to school
Public school districts and the school path by grade.
Renwick is in Humboldt Community School District.
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.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Jul 2021; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Renwick is in ZIP code 50577
ZIP codes where Renwick residents live, with the share of the town in each.
| ZIP | Post office name | Share of Renwick | ZIP’s residents in Renwick |
|---|---|---|---|
| 50577 | Renwick, IA | 100% | 59% |
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 Renwick
Who supplies Renwick’s drinking water, and has it had violations?
Renwick Munic Water Supply (EPA ID IA4669080). It reported no health-based violations to EPA in the five years to October 2026; 77% 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 Renwick?
City of Renwick (City of Renwick - (IA)), a municipal utility.
What internet providers serve Renwick?
Comm 1 Connects, CenturyLink, T-Mobile, Nextlink, Northwest Communications, WMTel (FCC, as of December 2025).
What ZIP codes are in Renwick?
50577. Census 2020 ZIP Code Tabulation Areas.
What school district is Renwick in?
Humboldt Community School District.
How do I register to vote in Renwick?
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 Humboldt 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.