Photo: AlphaBeta135 · CC BY 4.0Living in Algonquin Township, IL: what to set up and who to call
The Crystal Lake water system has a clean five-year EPA record, but its latest lead result, 6.8 ppb, was higher than 94% of similar systems’ (the action level is 15). Algonquin Township has its own drop-off, Brush dropoff.
I’m new in town
What to set up in Algonquin 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 Algonquin Township.
Power comes from Commonwealth Edison
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility, serves all of Algonquin 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 Crystal Lake water system
The Crystal Lake water system supplies Algonquin Township: about 27% of residents live in its service area. Cary serves another 22%. Algonquin serves another 21%. Lake in the Hills serves another 15%. Fox River Grove serves another 5%. About 8% 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 40,661 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2026, was 6.8 ppb, below the 15 ppb action level that applied. The highest in five years was 12.0 ppb. That’s higher than 94% 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. Violations are counted by the start of their compliance period. IL1110150.
6 home internet providers serve Algonquin Township
100% of 29,096 addresses can get 100/20 Mbps; 31% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 100% | 2,000/250 |
| AT&T | DSL, Fixed wireless, Fiber | 87% | 100/20 |
| i3 Broadband | Fiber | 26% | 8,000/8,000 |
| T-Mobile | Fixed wireless | 87% | 100/20 |
| Verizon | Fixed wireless | 49% | 300/20 |
| E-vergent | Fixed wireless | 10% | 60/10 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Algonquin Township has its own drop-off: Brush dropoff
Where to take trash and recycling in Algonquin Township, and where the rules are.
Brush dropoff
Before you go, check the rules on algonquin.org.
OpenStreetMap, as of Oct 9, 2026 (last edited Jul 2026). © OpenStreetMap contributors.
Where your child goes to school
Public school districts and the school path by grade.
Algonquin Township is in Community High School District 155; parts are in Community Unit School District 300 (35%) and Crystal Lake Community Consolidated School District 47 (28%) and Cary Community Consolidated School District 26 (22%) and Barrington Community Unit School District 220 (11%) and Fox River Grove Consolidated School District 3 (3%).
B+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 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Algonquin Township spans 6 ZIP codes
ZIP codes where Algonquin Township residents live, with the share of the town in each.
| ZIP | Post office name | Share of Algonquin Township | ZIP’s residents in Algonquin Township |
|---|---|---|---|
| 60014 | Crystal Lake, IL | 30% | 54% |
| 60013 | Cary, IL | 26% | 88% |
| 60102 | Algonquin, IL | 22% | 61% |
| 60156 | Lake In The Hills, IL | 15% | 45% |
| 60021 | Fox River Grove, IL | 6% | 91% |
| 60010 | Barrington, IL | 2% | 3% |
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.
Train: OpenStreetMap (© OpenStreetMap contributors). ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Algonquin Township
Who supplies Algonquin Township’s drinking water, and has it had violations?
The Crystal Lake water system (EPA ID IL1110150). It reported no health-based violations to EPA in the five years to October 2026; 83% of systems its size had none. Its latest lead 90th percentile was 6.8 ppb (Jan–Dec 2026), against a 15 ppb action level.
Who provides electricity in Algonquin 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 Algonquin Township?
Xfinity, AT&T, i3 Broadband, T-Mobile, Verizon, E-vergent (FCC, as of December 2025).
What ZIP codes are in Algonquin Township?
60014 (30%), 60013 (26%), 60102 (22%), 60156 (15%), 60021 (6%), 60010 (2%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Algonquin Township in?
Community High School District 155. Parts of the city are in Community Unit School District 300 and Crystal Lake Community Consolidated School District 47 and Cary Community Consolidated School District 26 and Barrington Community Unit School District 220 and Fox River Grove Consolidated School District 3.
How do I register to vote in Algonquin 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 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.