Photo: Jared Winkler · CC BY-SA 4.0Living in Lewis, IA: what to set up and who to call
Lewis Water Supply reported one health-based violation to EPA in the last five years: nitrate, beginning Mar 2025. The nearest library is Lewis Public Library, 0.3 miles away.
I’m new in town
What to set up in Lewis, 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 Lewis.
Power comes from MidAmerican Energy
MidAmerican Energy (MidAmerican Energy Co), an investor-owned utility, serves all of Lewis. 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 Lewis Water Supply
Lewis Water Supply supplies almost all of Lewis. It draws ground water and serves 357 people in all.
1 health-based violation reported to EPA in the five years to October 2026: nitrate, beginning Mar 2025. 77% of the 15,074 systems serving 101–500 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, was 2.0 ppb, below the 15 ppb action level that applied. 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. IA1535078.
4 home internet providers serve Lewis
100% of 211 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Griswold Communications Blue Surge Internet | Fiber | 100% | 1,000/500 |
| Verizon | Fixed wireless | 91% | 300/20 |
| T-Mobile | Fixed wireless | 84% | 100/20 |
| Nextlink | Fixed wireless | 10% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Lewis’ trash rules yet
Pickup rules, the dump and recycling in Lewis.
Where your child goes to school
Public school districts and the school path by grade.
Lewis is in Griswold 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 Nov 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Lewis is in ZIP code 51544
ZIP codes where Lewis residents live, with the share of the town in each.
| ZIP | Post office name | Share of Lewis | ZIP’s residents in Lewis |
|---|---|---|---|
| 51544 | Lewis, IA | 100% | 55% |
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 Lewis
Who supplies Lewis’ drinking water, and has it had violations?
Lewis Water Supply (EPA ID IA1535078). It reported 1 health-based violation to EPA in the five years to October 2026: nitrate. 77% of systems its size had none. Its latest lead 90th percentile was 2.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Lewis?
MidAmerican Energy (MidAmerican Energy Co), an investor-owned utility. Its homes paid about 11.2¢ per kWh in 2025 (EIA).
What internet providers serve Lewis?
Griswold Communications Blue Surge Internet, Verizon, T-Mobile, Nextlink (FCC, as of December 2025).
What ZIP codes are in Lewis?
51544. Census 2020 ZIP Code Tabulation Areas.
What school district is Lewis in?
Griswold Community School District.
How do I register to vote in Lewis?
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 Cass 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.