Photo: Northernraider83 · CC BY-SA 4.0Living in Cavalier, ND: what to set up and who to call
Cavalier runs its own electric utility, City of Cavalier. Tap water in Cavalier comes from the City of Cavalier water system, which has a clean five-year EPA record (about 22% of systems its size had a health-based violation) and a latest lead result below detection.
I’m new in town
What to set up in Cavalier, 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 Cavalier.
Power comes from City of Cavalier
City of Cavalier (City of Cavalier - (ND)), a municipal utility, serves all of Cavalier.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of Cavalier water system
The City of Cavalier water system supplies almost all of Cavalier. It buys treated ground water (EPA lists Northeast Rwd- North Valley Branch as seller) and serves 1,302 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 2023–Dec 2025, 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. Violations are counted by the start of their compliance period. ND3400170.
3 home internet providers serve Cavalier
100% of 696 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Polar Telecommunications | Fiber | 100% | 1,000/1,000 |
| Verizon | Fixed wireless | 86% | 300/20 |
| T-Mobile | Fixed wireless | 7% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash and recycling in Cavalier
Pickup days, the drop-off and recycling in Cavalier, from the town’s own site.
We couldn’t find pickup days or drop-off hours. Check cavaliernd.gov →
From cavaliernd.gov, the town’s official site, checked Oct 23, 2026; pages dated 2024-10-08, 2026-09-28. 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.
Cavalier is in Cavalier Public School District 6.
BSchool 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 Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Jul 30, 2024.
Cavalier is in ZIP code 58220
ZIP codes where Cavalier residents live, with the share of the town in each.
| ZIP | Post office name | Share of Cavalier | ZIP’s residents in Cavalier |
|---|---|---|---|
| 58220 | Cavalier, ND | 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 Cavalier
Who supplies Cavalier’s drinking water, and has it had violations?
The City of Cavalier water system (EPA ID ND3400170). 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 0.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Cavalier?
City of Cavalier (City of Cavalier - (ND)), a municipal utility.
What internet providers serve Cavalier?
Polar Telecommunications, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Cavalier?
58220. Census 2020 ZIP Code Tabulation Areas.
What school district is Cavalier in?
Cavalier Public School District 6.
How do I register to vote in Cavalier?
North Dakota has no voter registration: you show ID at the polls. Elections here are run by the Pembina County Auditor. Check your registration at vip.sos.nd.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: Cavalier’s own website (cavaliernd.gov), read Oct 23, 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 Jul 30, 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.