Living in Sullivan Township, IL: what to set up and who to call
Tap water in most of Sullivan Township comes from the Cullom 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. Two school districts split the grades in Sullivan Township: Pontiac Township High School District 90 and Tri-Point Community Unit School District 6-J.
I’m new in town
What to set up in Sullivan Township, 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 Sullivan Township.
Power comes from Ameren Illinois Company
Ameren Illinois Company (Ameren Illinois Company), an investor-owned utility, serves 97.4% of Sullivan Township residents. Its homes paid an average of 16.7¢ per kWh in 2025, about $148 a month (its average across Illinois, for customers on its standard service). Illinois lets you buy power from another supplier; 45% of Ameren Illinois Company’s home customers do, and Ameren Illinois Company still delivers it.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Cullom water system
The Cullom water system supplies Sullivan Township: about 79% of residents live in its service area. About 21% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water and serves 563 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 5,327 systems serving 501–1,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan–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 (EPA’s estimate). Violations are counted by the start of their compliance period. IL1050200.
7 home internet providers serve Sullivan Township
94% of 366 addresses can get 100/20 Mbps; 73% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Mediacom Xtream | Cable | 80% | 1,000/50 |
| Frontier | DSL | 75% | 115/7 |
| Conxxus | Fiber | 71% | 8,000/8,000 |
| Maxwire | Fixed wireless | 45% | 50/5 |
| Nextlink | Fixed wireless | 36% | 500/200 |
| Watch Communications | Fixed wireless | 26% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Sullivan Township’s trash rules yet
Pickup rules, the dump and recycling in Sullivan Township.
Where your child goes to school
Public school districts and the school path by grade.
Sullivan Township is in two districts that split the grades: Pontiac Township High School District 90 and Tri-Point Community Unit School District 6-J.
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 Sep 2021; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Sullivan Township spans 4 ZIP codes
ZIP codes where Sullivan Township residents live, with the share of the town in each.
| ZIP | Post office name | Share of Sullivan Township | ZIP’s residents in Sullivan Township |
|---|---|---|---|
| 60929 | Cullom, IL | 94% | 97% |
| 60934 | Emington, IL | 3% | 7% |
| 60959 | Piper City, IL | 2% | 1% |
| 61769 | Saunemin, IL | 2% | 2% |
A few homes fall in 60946.
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 Sullivan Township
Who supplies Sullivan Township’s drinking water, and has it had violations?
The Cullom water system (EPA ID IL1050200). 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–Dec 2025), against a 15 ppb action level.
Who provides electricity in Sullivan Township?
Ameren Illinois Company (Ameren Illinois Company), an investor-owned utility. Its homes paid about 16.7¢ per kWh in 2025 (EIA).
What internet providers serve Sullivan Township?
Mediacom Xtream, Frontier, Conxxus, Maxwire, Nextlink, Watch Communications (FCC, as of December 2025).
What ZIP codes are in Sullivan Township?
60929 (94%), 60934 (3%), 60959 (2%), 61769 (2%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Sullivan Township in?
Pontiac Township High School District 90 and Tri-Point Community Unit School District 6-J. Parts of the city are in Saunemin Community Consolidated School District 438.
How do I register to vote in Sullivan Township?
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 Livingston 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.