Wade-Beckham House · Photo: Bill Fitzpatrick · CC BY-SA 3.0Living in Irwin, SC: what to set up and who to call
Irwin has no town government of its own, so Lancaster County runs its elections and most services, and its children attend Lancaster County School District. Power in Irwin comes from Lynches River Elec Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in Irwin, 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 Irwin.
Power comes from Lynches River Elec Coop
Lynches River Elec Coop (Lynches River Elec Coop, Inc), a cooperative utility, serves all of Irwin. Its homes paid an average of 16.3¢ per kWh in 2025, about $174 a month (its average across South Carolina).
Start or move service: lynchesriver.com · (800) 922-3486
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Lancaster City of (Sc2910001) water system
The Lancaster City of (Sc2910001) water system supplies Irwin: about 97% of residents live in its service area. About 3% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It buys treated surface water (EPA lists Lancaster County W&sd (Sc2920001) as seller) and serves 14,074 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 2023–Dec 2025, was 3.0 ppb, below the 15 ppb action level that applied. That’s higher than 79% 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. SC2910001.
4 home internet providers serve Irwin
100% of 594 addresses can get 100/20 Mbps; 2% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Comporium Lancaster | Cable, Fiber | 100% | 1,000/100 |
| AT&T | Fixed wireless | 17% | 25/3 |
| Verizon | Fixed wireless | 10% | 25/6 |
| T-Mobile | Fixed wireless | 8% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Irwin’s trash rules yet
Pickup rules, the dump and recycling in Irwin.
Where your child goes to school
Public school districts and the school path by grade.
Irwin is in Lancaster County School District.
B+School gradeSee Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
No town hall: the county runs things
Irwin is unincorporated, so Lancaster County is the local government.
Election office: FVAP local election office directory, updated Jan 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Irwin is in ZIP code 29720
ZIP codes where Irwin residents live, with the share of the town in each.
| ZIP | Post office name | Share of Irwin | ZIP’s residents in Irwin |
|---|---|---|---|
| 29720 | Lancaster, SC | 100% | 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.
ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Irwin
Who supplies Irwin’s drinking water, and has it had violations?
The Lancaster City of (Sc2910001) water system (EPA ID SC2910001). 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 3.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Irwin?
Lynches River Elec Coop (Lynches River Elec Coop, Inc), a cooperative utility. Its homes paid about 16.3¢ per kWh in 2025 (EIA).
What internet providers serve Irwin?
Comporium Lancaster, AT&T, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Irwin?
29720. Census 2020 ZIP Code Tabulation Areas.
What school district is Irwin in?
Lancaster County School District.
How do I register to vote in Irwin?
In South Carolina you can register online until 30 days before Election Day, in person until 30 days before Election Day, or by mail (postmarked 30 days before). Elections here are run by the Lancaster Board of Voter Registration. Check your registration at vrems.scvotes.sc.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.