Living in Montmorency Township, IL: what to set up and who to call
Two school districts split the grades in Montmorency Township: Rock Falls Township High School District 301 and Montmorency Community Consolidated School District 145. For emergencies, Montmorency Township is closest to CGH Medical Center, 6.5 miles away.
I’m new in town
What to set up in Montmorency 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 Montmorency Township.
Power comes from Commonwealth Edison
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility, serves all of Montmorency Township. Its homes paid an average of 17.7¢ per kWh in 2025, about $107 a month (its average across Illinois, for customers on its standard service). Illinois lets you buy power from another supplier; 20% of Commonwealth Edison’s home customers do, and Commonwealth Edison still delivers it.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Rock Falls water system
The Rock Falls water system supplies Montmorency Township: about 15% of residents live in its service area. About 85% 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 8,620 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 80% of the 5,012 systems serving 3,301–10,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2026–Dec 2028, was 3.1 ppb, below the 15 ppb action level that applied. The highest in five years was 4.4 ppb. That’s higher than 83% 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. IL1950450.
6 home internet providers serve Montmorency Township
89% of 1,137 addresses can get 100/20 Mbps; 62% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable, Fiber | 66% | 1,200/35 |
| Surf Internet | Fiber | 59% | 8,000/8,000 |
| Strada Communications | Fiber | 2% | 1,000/1,000 |
| Rise Broadband | Fixed wireless | 83% | 50/10 |
| Verizon | Fixed wireless | 51% | 300/20 |
| T-Mobile | Fixed wireless | 38% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Montmorency Township’s trash rules yet
Pickup rules, the dump and recycling in Montmorency Township.
Where your child goes to school
Public school districts and the school path by grade.
Montmorency Township is in two districts that split the grades: Rock Falls Township High School District 301 and Montmorency Community Consolidated School District 145.
BSchool 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 Aug 2026; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Montmorency Township is in ZIP code 61071
ZIP codes where Montmorency Township residents live, with the share of the town in each.
| ZIP | Post office name | Share of Montmorency Township | ZIP’s residents in Montmorency Township |
|---|---|---|---|
| 61071 | Rock Falls, IL | 99% | 18% |
A few homes fall in 61283.
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 Montmorency Township
Who supplies Montmorency Township’s drinking water, and has it had violations?
The Rock Falls water system (EPA ID IL1950450). It reported no health-based violations to EPA in the five years to October 2026; 80% of systems its size had none. Its latest lead 90th percentile was 3.1 ppb (Jan 2026–Dec 2028), against a 15 ppb action level.
Who provides electricity in Montmorency Township?
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility. Its homes paid about 17.7¢ per kWh in 2025 (EIA).
What internet providers serve Montmorency Township?
Xfinity, Surf Internet, Strada Communications, Rise Broadband, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Montmorency Township?
61071. Census 2020 ZIP Code Tabulation Areas.
What school district is Montmorency Township in?
Rock Falls Township High School District 301 and Montmorency Community Consolidated School District 145. Parts of the city are in Prophetstown-Lyndon-Tampico Community Unit School District 3.
How do I register to vote in Montmorency 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 Whiteside 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.