Photo: Nyttend · Public domainLiving in Fairfield, IL: what to set up and who to call
Fairfield runs its own electric utility, City of Fairfield. The Fairfield water system reported one health-based violation to EPA in the last five years: organic carbon removal (total organic carbon), beginning Oct 2025.
I’m new in town
What to set up in Fairfield, 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 Fairfield.
Power comes from City of Fairfield
City of Fairfield (City of Fairfield- (IL)), a municipal utility, serves 95.7% of Fairfield residents.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Fairfield water system
The Fairfield water system supplies almost all of Fairfield. It draws surface water and serves 6,202 people in all.
1 health-based violation reported to EPA in the five years to October 2026: organic carbon removal (total organic carbon), beginning Oct 2025. 80% of the 5,012 systems serving 3,301–10,000 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2024–Dec 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. IL1910100.
7 home internet providers serve Fairfield
100% of 2,528 addresses can get 100/20 Mbps; 82% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Sparklight | Cable | 99% | 1,000/50 |
| Frontier | Fiber, DSL | 81% | 7,000/7,000 |
| Wabash Communications | Fiber | 12% | 1,000/1,000 |
| ClearWave | Fiber | 11% | 7,000/7,000 |
| Verizon | Fixed wireless | 52% | 300/20 |
| Nextlink | Fixed wireless | 39% | 50/10 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Fairfield’s trash rules yet
Pickup rules, the dump and recycling in Fairfield.
Where your child goes to school
Public school districts and the school path by grade.
Fairfield is in two districts that split the grades: Fairfield Community High School District 225 and Fairfield Public School District 112.
C+School 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 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Fairfield is in ZIP code 62837
ZIP codes where Fairfield residents live, with the share of the town in each.
| ZIP | Post office name | Share of Fairfield | ZIP’s residents in Fairfield |
|---|---|---|---|
| 62837 | Fairfield, IL | 100% | 58% |
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 Fairfield
Who supplies Fairfield’s drinking water, and has it had violations?
The Fairfield water system (EPA ID IL1910100). It reported 1 health-based violation to EPA in the five years to October 2026: organic carbon removal (total organic carbon). 80% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2024–Dec 2026), against a 15 ppb action level.
Who provides electricity in Fairfield?
City of Fairfield (City of Fairfield- (IL)), a municipal utility.
What internet providers serve Fairfield?
Sparklight, Frontier, Wabash Communications, ClearWave, Verizon, Nextlink (FCC, as of December 2025).
What ZIP codes are in Fairfield?
62837. Census 2020 ZIP Code Tabulation Areas.
What school district is Fairfield in?
Fairfield Community High School District 225 and Fairfield Public School District 112. Parts of the city are in Jasper Community Consolidated School District 17 and Geff Community Consolidated School District 14 and New Hope Community Consolidated School District 6.
How do I register to vote in Fairfield?
In Illinois you can register online until 16 days before Election Day, in person up to and including Election Day, or by mail (postmarked 28 days before). Elections here are run by the Wayne County Clerk. Check your registration at ova.elections.il.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 Sep 12, 2025 (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.