Photo: Gabriel Vanslette · CC BY 3.0Living in Lake Elmo, MN: what to set up and who to call
All of Lake Elmo gets its mail under one ZIP code, 55042. Most homes in Lake Elmo have two wired internet choices, Xfinity and CenturyLink.
I’m new in town
What to set up in Lake Elmo, 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 Lake Elmo.
Power comes from Xcel Energy
Xcel Energy (Northern States Power Co. (Minnesota)), an investor-owned utility, serves all of Lake Elmo. Its homes paid an average of 17.1¢ per kWh in 2025, about $105 a month (its average across Minnesota).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Lake Elmo water system
The Lake Elmo water system supplies Lake Elmo: about 72% of residents live in its service area. Cimarron Park serves another 12%. About 16% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water (EPA lists Oakdale as seller) and serves 10,978 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 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. MN1820009.
6 home internet providers serve Lake Elmo
99% of 5,232 addresses can get 100/20 Mbps; 27% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable, Fiber | 98% | 2,000/250 |
| CenturyLink | DSL, Fiber | 50% | 140/20 |
| Quantum Fiber | Fiber | 34% | 2,000/1,000 |
| Verizon | Fixed wireless | 80% | 300/20 |
| T-Mobile | Fixed wireless | 68% | 100/20 |
| AT&T | Fixed wireless | 51% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Lake Elmo’s trash rules yet
Pickup rules, the dump and recycling in Lake Elmo.
Where your child goes to school
Public school districts and the school path by grade.
Most of Lake Elmo (77%) is in Stillwater Area Public School District; parts are in North St. Paul-Maplewood-Oakdale School District (19%) and Mahtomedi Public School District (4%).
ASchool 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 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Lake Elmo is in ZIP code 55042
ZIP codes where Lake Elmo residents live, with the share of the town in each.
| ZIP | Post office name | Share of Lake Elmo | ZIP’s residents in Lake Elmo |
|---|---|---|---|
| 55042 | Lake Elmo, MN | 100% | 94% |
A few homes fall in 55082.
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 Lake Elmo
Who supplies Lake Elmo’s drinking water, and has it had violations?
The Lake Elmo water system (EPA ID MN1820009). 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 0.0 ppb (Jan 2021–Dec 2023), against a 15 ppb action level.
Who provides electricity in Lake Elmo?
Xcel Energy (Northern States Power Co. (Minnesota)), an investor-owned utility. Its homes paid about 17.1¢ per kWh in 2025 (EIA).
What internet providers serve Lake Elmo?
Xfinity, CenturyLink, Quantum Fiber, Verizon, T-Mobile, AT&T (FCC, as of December 2025).
What ZIP codes are in Lake Elmo?
55042. Census 2020 ZIP Code Tabulation Areas.
What school district is Lake Elmo in?
Stillwater Area Public School District. Parts of the city are in North St. Paul-Maplewood-Oakdale School District and Mahtomedi Public School District.
How do I register to vote in Lake Elmo?
In Minnesota you can register online until 21 days before Election Day, in person up to and including Election Day, or by mail (received 21 days before). Elections here are run by the Washington County Government Center. Check your registration at mnvotes.sos.state.mn.us.
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.