Living in Lyman, MS: what to set up and who to call
Lyman has no town government of its own, so Harrison County runs its elections and most services, and its children attend Harrison County School District. Riverbend Utilities Inc reported one health-based violation to EPA in the last five years: a lead and copper treatment requirement (Lead and Copper Rule Revisions), beginning Oct 2024.
I’m new in town
What to set up in Lyman, 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 Lyman.
Power comes from Mississippi Power
Mississippi Power (Mississippi Power Co), an investor-owned utility, serves all of Lyman. Its homes paid an average of 15.7¢ per kWh in 2025, about $179 a month (its average across Mississippi).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Riverbend Utilities Inc
Riverbend Utilities Inc supplies Lyman: about 52% of residents live in its service area. City of Gulfport serves another 38%. About 10% 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 4,834 people in all.
1 health-based violation reported to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions), beginning Oct 2024. 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 2021–Dec 2023, was 5.1 ppb, below the 15 ppb action level that applied. That’s higher than 92% 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. MS0240194.
6 home internet providers serve Lyman
100% of 1,353 addresses can get 100/20 Mbps; 92% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Sparklight | Cable, Fiber | 99% | 1,000/50 |
| AT&T | Fiber, Fixed wireless, DSL | 81% | 5,000/5,000 |
| CoastConnect | Fiber | 59% | 2,000/1,000 |
| C Spire | Fiber, Fixed wireless | 71% | 8,000/8,000 |
| Verizon | Fixed wireless | 75% | 300/20 |
| T-Mobile | Fixed wireless | 15% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Lyman’s trash rules yet
Pickup rules, the dump and recycling in Lyman.
Where your child goes to school
Public school districts and the school path by grade.
Lyman is in Harrison County 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.
No town hall: the county runs things
Lyman is unincorporated, so Harrison County is the local government.
Election office: FVAP local election office directory, updated Sep 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Lyman is in ZIP code 39503
ZIP codes where Lyman residents live, with the share of the town in each.
| ZIP | Post office name | Share of Lyman | ZIP’s residents in Lyman |
|---|---|---|---|
| 39503 | Gulfport, MS | 100% | 4% |
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 Lyman
Who supplies Lyman’s drinking water, and has it had violations?
Riverbend Utilities Inc (EPA ID MS0240194). It reported 1 health-based violation to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions). 80% of systems its size had none. Its latest lead 90th percentile was 5.1 ppb (Jan 2021–Dec 2023), against a 15 ppb action level.
Who provides electricity in Lyman?
Mississippi Power (Mississippi Power Co), an investor-owned utility. Its homes paid about 15.7¢ per kWh in 2025 (EIA).
What internet providers serve Lyman?
Sparklight, AT&T, CoastConnect, C Spire, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Lyman?
39503. Census 2020 ZIP Code Tabulation Areas.
What school district is Lyman in?
Harrison County School District.
How do I register to vote in Lyman?
Mississippi has no online registration; you can register in person until 30 days before Election Day or by mail (postmarked 30 days before). Elections here are run by the Harrison County Registrar. Check your registration at msegov.com.
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 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.