Living in Monument, OR: what to set up and who to call
The City of Monument water system reported one health-based violation to EPA in the last five years: a surface water treatment requirement (Surface Water Treatment Rule), beginning Aug 2025. Power in Monument comes from Columbia Power Coop Assn, a cooperative utility rather than a private company.
I’m new in town
What to set up in Monument, 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 Monument.
Power comes from Columbia Power Coop Assn
Columbia Power Coop Assn (Columbia Power Coop Assn Inc - (OR)), a cooperative utility, serves all of Monument.
Start or move service: columbiarea.com · (509) 382-2578
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of Monument water system
The City of Monument water system supplies Monument: about 83% of residents live in its service area. About 17% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water influenced by surface water and serves 115 people in all.
1 health-based violation reported to EPA in the five years to October 2026: a surface water treatment requirement (Surface Water Treatment Rule), beginning Aug 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–Dec 2025, was 0.9 ppb, below the 15 ppb action level that applied. The highest in five years was 5.4 ppb. That’s higher than 52% 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. OR4100541.
Which providers serve Monument
This card will list the home internet providers the FCC’s National Broadband Map shows in Monument, the share of addresses that can get 100/20 Mbps and the share with fiber, with the map’s “as of” date.
Source to come: FCC Broadband Data Collection.
We don’t have Monument’s trash rules yet
Pickup rules, the dump and recycling in Monument.
Where your child goes to school
Public school districts and the school path by grade.
Monument is in Monument School District 8.
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 Jun 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Oct 2, 2026.
Monument is in ZIP code 97864
ZIP codes where Monument residents live, with the share of the town in each.
| ZIP | Post office name | Share of Monument | ZIP’s residents in Monument |
|---|---|---|---|
| 97864 | Monument, OR | 100% | 51% |
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 Monument
Who supplies Monument’s drinking water, and has it had violations?
The City of Monument water system (EPA ID OR4100541). It reported 1 health-based violation to EPA in the five years to October 2026: a surface water treatment requirement (Surface Water Treatment Rule). 77% of systems its size had none. Its latest lead 90th percentile was 0.9 ppb (Jan–Dec 2025), against a 15 ppb action level.
Who provides electricity in Monument?
Columbia Power Coop Assn (Columbia Power Coop Assn Inc - (OR)), a cooperative utility.
What ZIP codes are in Monument?
97864. Census 2020 ZIP Code Tabulation Areas.
What school district is Monument in?
Monument School District 8.
How do I register to vote in Monument?
In Oregon you can register online until 21 days before Election Day, in person until 21 days before Election Day, or by mail (postmarked 21 days before). Elections here are run by the Grant County Clerk, Elections Office. Check your registration at sos.oregon.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 Oct 2, 2026 (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): pending.