Photo: Jerrye & Roy Klotz, MD · CC BY-SA 4.0Living in South Middleton Township, PA: what to set up and who to call
South Middleton Twp Water Auth reported one health-based violation to EPA in the last five years: a groundwater treatment requirement (Groundwater Rule), beginning Dec 2021. The closest public drop-off to South Middleton Township is Carlisle Compost Facility, 4 miles out; the town decides whether residents may use it.
I’m new in town
What to set up in South Middleton 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 South Middleton Township.
Water comes from South Middleton Twp Water Auth
South Middleton Twp Water Auth supplies South Middleton Township: about 72% of residents live in its service area. Mt Holly Springs Boro Auth serves another 11%. About 17% 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 Carlisle Water Trmt Plt and Mt Holly Springs Boro Auth as sellers) and serves 11,695 people in all.
1 health-based violation reported to EPA in the five years to October 2026: a groundwater treatment requirement (Groundwater Rule), beginning Dec 2021. 83% of the 3,525 systems serving 10,001–50,000 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jun–Sep 2025, was 1.8 ppb, below the 15 ppb action level that applied. That’s higher than 62% 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. PA7210050.
6 home internet providers serve South Middleton Township
99% of 6,602 addresses can get 100/20 Mbps; 56% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable, Fiber | 99% | 2,000/250 |
| Brightspeed | Fiber, DSL, Fixed wireless | 66% | 2,000/2,000 |
| PA.net | Fixed wireless | 97% | 200/50 |
| AT&T | Fixed wireless | 61% | 25/3 |
| Verizon | Fixed wireless | 57% | 300/20 |
| T-Mobile | Fixed wireless | 48% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
The nearest public drop-off is 4 miles away
Pickup rules, the dump and recycling in South Middleton Township.
Carlisle Compost Facility
· run by Cumberland County Sewer Authority
This isn’t South Middleton Township’s own facility. Whether South Middleton Township residents may use it is the town’s rule: check the town’s office.
OpenStreetMap, as of Oct 9, 2026. © OpenStreetMap contributors.
Where your child goes to school
Public school districts and the school path by grade.
South Middleton Township is in South Middleton School District.
A−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 Jan 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
South Middleton Township spans 5 ZIP codes
ZIP codes where South Middleton Township residents live, with the share of the town in each.
| ZIP | Post office name | Share of South Middleton Township | ZIP’s residents in South Middleton Township |
|---|---|---|---|
| 17015 | Carlisle, PA | 44% | 32% |
| 17007 | Boiling Springs, PA | 27% | 74% |
| 17065 | Mount Holly Springs, PA | 13% | 48% |
| 17013 | Carlisle, PA | 10% | 4% |
| 17324 | Gardners, PA | 6% | 21% |
A few homes fall in 17019.
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 South Middleton Township
Who supplies South Middleton Township’s drinking water, and has it had violations?
South Middleton Twp Water Auth (EPA ID PA7210050). It reported 1 health-based violation to EPA in the five years to October 2026: a groundwater treatment requirement (Groundwater Rule). 83% of systems its size had none. Its latest lead 90th percentile was 1.8 ppb (Jun–Sep 2025), against a 15 ppb action level.
What internet providers serve South Middleton Township?
Xfinity, Brightspeed, PA.net, AT&T, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in South Middleton Township?
17015 (44%), 17007 (27%), 17065 (13%), 17013 (10%), 17324 (6%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is South Middleton Township in?
South Middleton School District.
How do I register to vote in South Middleton Township?
In Pennsylvania you can register online until 15 days before Election Day, in person until 15 days before Election Day, or by mail (received 15 days before). Elections here are run by the Cumberland County Board of Elections. Check your registration at pavoterservices.pa.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.
- 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 Nov 18, 2024 (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.