Photo: Jared Winkler · CC BY-SA 4.0Living in Portsmouth, IA: what to set up and who to call
Tap water in Portsmouth comes from Portsmouth Water Supply, which has a clean five-year EPA record (about 23% of systems its size had a health-based violation) and a latest lead result below detection. Myrtue Medical Center, 10 miles away, is the nearest emergency room.
I’m new in town
What to set up in Portsmouth, 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 Portsmouth.
Power comes from MidAmerican Energy
MidAmerican Energy (MidAmerican Energy Co), an investor-owned utility, serves all of Portsmouth. 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 Portsmouth Water Supply
Portsmouth Water Supply supplies almost all of Portsmouth. It buys treated surface water (EPA lists Regional Water as seller) and serves 189 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–Jun 2026, was 0.0 ppb, below the 15 ppb action level that applied. Results below detection are reported as 0, so 0 doesn’t mean no lead at any tap.
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. IA8365052.
4 home internet providers serve Portsmouth
100% of 107 addresses can get 100/20 Mbps; 82% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Kinetic | DSL | 100% | 200/20 |
| Farmers Mutual Coop Telephone | Fiber | 79% | 400/100 |
| Verizon | Fixed wireless | 90% | 300/20 |
| Nextlink | Fixed wireless | 50% | 1,000/1,000 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Portsmouth’s trash rules yet
Pickup rules, the dump and recycling in Portsmouth.
Where your child goes to school
Public school districts and the school path by grade.
Portsmouth is in Harlan 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.
Portsmouth is in ZIP code 51565
ZIP codes where Portsmouth residents live, with the share of the town in each.
| ZIP | Post office name | Share of Portsmouth | ZIP’s residents in Portsmouth |
|---|---|---|---|
| 51565 | Portsmouth, IA | 100% | 39% |
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 Portsmouth
Who supplies Portsmouth’s drinking water, and has it had violations?
Portsmouth Water Supply (EPA ID IA8365052). 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 0.0 ppb (Jan–Jun 2026), against a 15 ppb action level.
Who provides electricity in Portsmouth?
MidAmerican Energy (MidAmerican Energy Co), an investor-owned utility. Its homes paid about 11.2¢ per kWh in 2025 (EIA).
What internet providers serve Portsmouth?
Kinetic, Farmers Mutual Coop Telephone, Verizon, Nextlink (FCC, as of December 2025).
What ZIP codes are in Portsmouth?
51565. Census 2020 ZIP Code Tabulation Areas.
What school district is Portsmouth in?
Harlan Community School District.
How do I register to vote in Portsmouth?
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 Shelby 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.