Compare · SC · SC
ZIP 29401 vs ZIP 29928
Charleston, SC compared to Hilton Head Island, SC on twelve public-records dimensions sourced from EPA, FEMA, USDA, FBI, NCES, and county records. Each cell links to the per-ZIP topic page where the source citation and refresh cadence live.
Last verified 2026-05-13 · methodology
Side by side
| Dimension | ZIP 29401 | ZIP 29928 |
|---|---|---|
| Water quality EPA SDWIS | Open water quality for 29401 → | Open water quality for 29928 → |
| Flood zone FEMA NFHL | Open flood zone for 29401 → | Open flood zone for 29928 → |
| Wildfire risk USDA Forest Service | Open wildfire risk for 29401 → | Open wildfire risk for 29928 → |
| Air quality EPA AirNow | Open air quality for 29401 → | Open air quality for 29928 → |
| Crime FBI UCR | Open crime for 29401 → | Open crime for 29928 → |
| Schools NCES Common Core | Open schools for 29401 → | Open schools for 29928 → |
| Radon EPA Radon Zones | Open radon for 29401 → | Open radon for 29928 → |
| Lead pipes EPA LCRR / RTI | Open lead pipes for 29401 → | Open lead pipes for 29928 → |
| Property tax County assessor | Open property tax for 29401 → | Open property tax for 29928 → |
| Deed activity County recorder | Open deed activity for 29401 → | Open deed activity for 29928 → |
| Zoning Municipal planning | Open zoning for 29401 → | Open zoning for 29928 → |
| Sex offender registry NSOPW (deep-link) | Open sex offender registry for 29401 → | Open sex offender registry for 29928 → |
Dimensions populate live as ingestion reaches each source. Every row will link to the primary regulator.
South Carolina context
Hurricanes (coastal), inland flood
South Carolina's coastline (Hilton Head, Charleston, Myrtle Beach) carries dense FEMA VE/AE zones. Inland AE zones along the Pee Dee, Santee, Saluda rivers. EPA SDWIS small-system compliance variability.
Read more on cross-ZIP comparisons
Editorial deep-dives that help when reading two places side-by-side — what each data layer actually proves, and what it doesn't.
Flood zones explained — what AE, X, and VE actually mean
Plain-English guide to FEMA flood-zone codes (A, AE, AH, V, VE, X, X-shaded). What the 1% and 0.2% annual-chance zones mean for your property and your insurance.
EPA Radon Zones — what 1, 2, and 3 mean and when you should test
EPA classifies every US county into Zone 1 (high), Zone 2 (moderate), or Zone 3 (low) for radon. Plain-English guide to the classifications and at-home testing.
FBI UCR and NIBRS — what crime statistics actually show (and don't)
The FBI's Uniform Crime Reporting (UCR) program and its successor NIBRS aggregate crime data from local agencies. Plain-English guide to what gets reported, what doesn't, and how to read the numbers.
Lead and Copper Rule 2024 — the federal lead-pipe inventory mandate
The 2024 Lead and Copper Rule Revisions (LCRR) require every US community water system to inventory and report lead service lines. Plain-English guide.
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