Photo: Andy McMurray · CC BY 2.5Living in Marengo, IL: what to set up and who to call
The Marengo water system reported one health-based violation to EPA in the last five years: manganese, beginning Oct 2025. Two school districts split the grades in Marengo: Marengo Community High School District 154 and Marengo-Union Elementary Consolidated District 165.
I’m new in town
What to set up in Marengo, 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 Marengo.
Power comes from Commonwealth Edison
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility, serves all of Marengo. 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 Marengo water system
The Marengo water system supplies almost all of Marengo. It draws ground water and serves 7,572 people in all.
1 health-based violation reported to EPA in the five years to October 2026: manganese, 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 2026–Dec 2028, was 0.0 ppb, below the 15 ppb action level that applied. The highest in five years was 3.4 ppb. 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. Violations are counted by the start of their compliance period. IL1110650.
9 home internet providers serve Marengo
99% of 2,799 addresses can get 100/20 Mbps; 38% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 97% | 1,000/35 |
| AT&T | DSL, Fixed wireless, Fiber | 95% | 5,000/5,000 |
| i3 Broadband | Fiber | 17% | 8,000/8,000 |
| Xfinity | Cable | 10% | 2,000/250 |
| Rise Broadband | Fixed wireless | 92% | 100/20 |
| E-vergent | Fixed wireless | 73% | 100/10 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Marengo’s trash rules yet
Pickup rules, the dump and recycling in Marengo.
Where your child goes to school
Public school districts and the school path by grade.
Marengo is in two districts that split the grades: Marengo Community High School District 154 and Marengo-Union Elementary Consolidated District 165.
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 Jun 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Marengo is in ZIP code 60152
ZIP codes where Marengo residents live, with the share of the town in each.
| ZIP | Post office name | Share of Marengo | ZIP’s residents in Marengo |
|---|---|---|---|
| 60152 | Marengo, IL | 100% | 61% |
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 Marengo
Who supplies Marengo’s drinking water, and has it had violations?
The Marengo water system (EPA ID IL1110650). It reported 1 health-based violation to EPA in the five years to October 2026: manganese. 80% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2026–Dec 2028), against a 15 ppb action level.
Who provides electricity in Marengo?
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility. Its homes paid about 17.7¢ per kWh in 2025 (EIA).
What internet providers serve Marengo?
Spectrum, AT&T, i3 Broadband, Xfinity, Rise Broadband, E-vergent (FCC, as of December 2025).
What ZIP codes are in Marengo?
60152. Census 2020 ZIP Code Tabulation Areas.
What school district is Marengo in?
Marengo Community High School District 154 and Marengo-Union Elementary Consolidated District 165. Parts of the city are in Riley Community Consolidated School District 18.
How do I register to vote in Marengo?
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 McHenry 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.