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Longmont, CO, Safety and Justice Center IMG 5217Photo: Billy Hathorn · CC BY-SA 3.0
The Longmont handbook

Living in Longmont, CO: what to set up and who to call

Longmont runs its own electric utility, City of Longmont; its homes paid 13.1¢ per kWh in 2025. Longmont has its own drop-off, City of Longmont Recycling Center.

I’m new in town

What to set up in Longmont, and who provides it. Tap an answer for the details and where they come from.

Home services

Power, water and internet

Who to call to start service at a new address in Longmont.

Electricity

Power comes from City of Longmont

City of Longmont (City of Longmont), a municipal utility, serves all of Longmont. Its homes paid an average of 13.1¢ per kWh in 2025, about $88 a month (its average across Colorado).

Start or move service: longmontcolorado.gov · (303) 776-6050

Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.

Drinking water · reported to EPA

Water comes from City of Longmont water system

The City of Longmont water system supplies almost all of Longmont. It draws surface water (EPA lists Left Hand WD as seller) and serves 104,178 people in all.

No health-based violations reported to EPA in the five years to October 2026, like 86% of the 332 systems serving 100,001–250,000 people.

Lead, 90th percentile1.6 ppb
015 ppb action level20

The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, was 1.6 ppb, below the 15 ppb action level that applied. That’s higher than 59% 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. Violations are counted by the start of their compliance period. CO0107485.

Internet

9 home internet providers serve Longmont

100% of 30,018 addresses can get 100/20 Mbps; 100% can get fiber.

ProviderTechnologyAddressesFastest (Mbps)
NextLightFiber100%10,000/10,000
XfinityCable, Fiber99%1,200/35
CenturyLinkDSL, Fiber79%140/20
Quantum FiberFiber5%2,000/1,000
VerizonFixed wireless55%300/20
Rise BroadbandFixed wireless44%100/20

FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.

Trash & recycling

Curbside recycling in Longmont: every other week, day by address

Pickup days, the drop-off and recycling in Longmont, from the town’s own site.

Curbside recyclingEvery other week, day by addressRecycling picked up at the curblongmontcolorado.gov
Drop-off

City of Longmont Recycling Center

We couldn’t find its opening hours.

What goes in the recycling bin

Single-stream recycling

All your recyclables go in one bin, no sorting.

  • Cardboard Boxes & Paper Bags
  • Magazines, Brochures, Newspapers & Catalogs
  • Glass Bottles

From longmontcolorado.gov, the town’s official site, checked Oct 23, 2026; pages dated 2025-08-26, 2026-03-19, 2026-06-02. Rules change: the town’s page is the last word. .

Schools

Where your child goes to school

Public school districts and the school path by grade.

Longmont kids go to
PK–514 elementary schoolsDepends on your address
6–86 middle schoolsDepends on your address
9–123 high schoolsDepends on your address

Longmont is in St. Vrain Valley School District RE 1J.

A−School gradeSee Schools →

U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.

Government & voting

Town hall and registering to vote

Who to call, and how to register.

Official siteci.longmont.co.usLongmont’s own websiteWikidataTown HallBudget, officials, electionsLongmont’s government in one page
Who runs elections hereBoulder County Clerk and Recorder, Elections DivisionElections here are run by Boulder County (county election office). Most of Longmont (99%) votes here; the rest in Weld County (1%). 1750 33rd St., Ste. 200, Boulder, CO 80301 · (303) 413-7741 · [email protected]FVAP, Sep 2025
Register to voteOnlineIn Colorado you can register online until 8 days before Election Day, in person up to and including Election Day, or by mail (postmarked 8 days before).vote.govCheck your registration and polling placesos.state.co.usThe state’s voter lookup

Election office: FVAP local election office directory, updated Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.

ZIP codes & area codes

Longmont spans 3 ZIP codes

ZIP codes where Longmont residents live, with the share of the town in each.

ZIPPost office nameShare of LongmontZIP’s residents in Longmont
80501Longmont, CO43%100%
80504Longmont, CO31%51%
80503Longmont, CO26%71%

80502 is P.O. box or single-organization ZIP with no homes.

Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.

Everyday places

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 Longmont

Who supplies Longmont’s drinking water, and has it had violations?

The City of Longmont water system (EPA ID CO0107485). It reported no health-based violations to EPA in the five years to October 2026; 86% of systems its size had none. Its latest lead 90th percentile was 1.6 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.

Who provides electricity in Longmont?

City of Longmont (City of Longmont), a municipal utility. Its homes paid about 13.1¢ per kWh in 2025 (EIA).

What internet providers serve Longmont?

NextLight, Xfinity, CenturyLink, Quantum Fiber, Verizon, Rise Broadband (FCC, as of December 2025).

What ZIP codes are in Longmont?

80501 (43%), 80504 (31%), 80503 (26%), by share of residents. Census 2020 ZIP Code Tabulation Areas.

What school district is Longmont in?

St. Vrain Valley School District RE 1J.

How do I register to vote in Longmont?

In Colorado you can register online until 8 days before Election Day, in person up to and including Election Day, or by mail (postmarked 8 days before). Elections here are run by the Boulder County Clerk and Recorder, Elections Division. Check your registration at sos.state.co.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: Longmont’s own website (longmontcolorado.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 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.