Photo: Jared Winkler · CC BY-SA 4.0Living in Carroll, IA: what to set up and who to call
Carroll Municipal Water Supply has a clean five-year EPA record, but its latest lead result, 8.0 ppb, was higher than 96% of similar systems’ (the action level is 15). The closest ER is St. Anthony Regional Hospital & Nursing Home, 0.9 miles away.
I’m new in town
What to set up in Carroll, 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 Carroll.
Power comes from MidAmerican Energy
MidAmerican Energy (MidAmerican Energy Co), an investor-owned utility, serves all of Carroll. Its homes paid an average of 11.2¢ per kWh in 2025, about $93 a month (its average across Iowa).
Start or move service: midamericanenergy.com · (888) 427-5632
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Carroll Municipal Water Supply
Carroll Municipal Water Supply supplies almost all of Carroll. It draws ground water and serves 10,184 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2021–Dec 2023, was 8.0 ppb, below the 15 ppb action level that applied. That’s higher than 96% 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. IA1415072.
8 home internet providers serve Carroll
100% of 4,150 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| BTC | Fiber | 100% | 2,000/2,000 |
| Mediacom Xtream | Cable, Fiber | 97% | 1,000/50 |
| CenturyLink | DSL | 56% | 80/10 |
| T-Mobile | Fixed wireless | 83% | 100/20 |
| AT&T | Fixed wireless | 77% | 100/20 |
| Rise Broadband | Fixed wireless | 70% | 50/10 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash and recycling in Carroll
Pickup days, the drop-off and recycling in Carroll, from the town’s own site.
We couldn’t find pickup days or drop-off hours. Check cityofcarroll.com →
From cityofcarroll.com, the town’s official site, checked Oct 21, 2026; pages dated 2022-08-22, 2025-08-28, 2025-08-28T14:26:07+00:00, 2026-10-12. 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.
Carroll is in Carroll Community School District.
B+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 Jun 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Carroll is in ZIP code 51401
ZIP codes where Carroll residents live, with the share of the town in each.
| ZIP | Post office name | Share of Carroll | ZIP’s residents in Carroll |
|---|---|---|---|
| 51401 | Carroll, IA | 100% | 84% |
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 Carroll
Who supplies Carroll’s drinking water, and has it had violations?
Carroll Municipal Water Supply (EPA ID IA1415072). It reported no health-based violations to EPA in the five years to October 2026; 83% of systems its size had none. Its latest lead 90th percentile was 8.0 ppb (Jan 2021–Dec 2023), against a 15 ppb action level.
Who provides electricity in Carroll?
MidAmerican Energy (MidAmerican Energy Co), an investor-owned utility. Its homes paid about 11.2¢ per kWh in 2025 (EIA).
What internet providers serve Carroll?
BTC, Mediacom Xtream, CenturyLink, T-Mobile, AT&T, Rise Broadband (FCC, as of December 2025).
What ZIP codes are in Carroll?
51401. Census 2020 ZIP Code Tabulation Areas.
What school district is Carroll in?
Carroll Community School District.
How do I register to vote in Carroll?
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 Carroll 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: Carroll’s own website (cityofcarroll.com), 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 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.