STATE REPORT SC 1 ALERT HEALTH VIOLATIONS: 82

South Carolina Home Safety Profiles by ZIP

534 ZIP codes · 302 water systems · IPC plumbing code

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData, NWS, State plumbing boards, Rewiring America

ZipCheckup tracks drinking-water and home-safety data for 534 ZIP codes across South Carolina, covering 302 public water systems that serve about 4,009,910 people. 251 ZIP codes are mapped to at least one water system with an EPA violation on record.

534
ZIP Codes
302
Water Systems
251
ZIPs with Violations
1
Active Alerts
IPC
Plumbing Code
B · 80
Avg Safety Score
3
ZIPs Mapped to a System Above the Lead Action Level
6%
EPA Radon Zone 1 (county-level potential)
#15
of 50 States
78%
ZIPs Rated A or B
70%
ZIPs with Violations
B
South Carolina average: 80/100 - ranked #15 of 50 states. 7 points above the national average (73). 78% of ZIP codes scored A or B.

Measured by ZipCheckup's composite scoring, South Carolina comes out above the C band.

Score Distribution

How South Carolina's 534 ZIP codes are distributed across safety grades.

17
A
107
B
32
C
3
D
0
F
85-10070-8455-6940-540-39

Home Safety Scores by State

Loading map…
F (0-39) D (40-54) C (55-69) B (70-84) A (85+)

Model 4.0.0 inputs: EPA SDWIS, UCMR5 PFAS, EPA radon zones, annual county AQI •

Top 10 ZIP Codes by Home Safety Score in South Carolina

Highest Home Safety Scores in the state.

#ZIP CodeCityCountyScoreGrade
1 29069 LamarDarlington 100 A
2 29101 Mc BeeChesterfield 100 A
3 29550 HartsvilleDarlington 100 A
4 29593 Society HillDarlington 100 A
5 29709 ChesterfieldChesterfield 100 A
6 29741 RubyChesterfield 100 A
7 29828 GlovervilleAiken 100 A
8 29834 LangleyAiken 100 A
9 29532 DarlingtonDarlington 99 A
10 29540 DarlingtonDarlington 99 A

10 Lowest-Scoring ZIP Codes in South Carolina

#ZIP CodeCityCountyScoreGradeViolations
1 29680 SimpsonvilleGreenville 48 D 2
2 29681 SimpsonvilleGreenville 49 D 1
3 29644 Fountain InnGreenville 49 D 1
4 29655 IvaAnderson 58 C 12
5 29627 BeltonAnderson 58 C 12
6 29654 Honea PathAnderson 59 C 10
7 29669 PelzerAnderson 62 C 4
8 29626 AndersonAnderson 62 C 7
9 29684 StarrAnderson 64 C 5
10 29624 AndersonAnderson 64 C 3

County Rankings

Water quality breakdown by county. 46 counties with data in South Carolina.

Loading county map…
F (0-39) D (40-54) C (55-69) B (70-84) A (85+)

County-level aggregation of measured ZIP Home Safety Scores • EPA SDWIS, UCMR 5 PFAS, EPA radon zones, EPA AirData

CountyAvg ScoreGradeZIPsBest ZIPWorst ZIP
45001 N/A N/A 4 N/A N/A
45003 87 A 23 29828 (100) 29829 (67)
45005 N/A N/A 6 N/A N/A
45007 69 C 16 29673 (80) 29655 (58)
45009 N/A N/A 4 N/A N/A
45011 N/A N/A 4 N/A N/A
45013 N/A N/A 21 N/A N/A
45015 83 B 12 29410 (83) 29486 (78)
45017 N/A N/A 3 N/A N/A
45019 83 B 39 29812 (99) 29466 (77)
45021 N/A N/A 4 N/A N/A
45023 N/A N/A 7 N/A N/A
45025 96 A 8 29101 (100) 29520 (78)
45027 N/A N/A 9 N/A N/A
45029 N/A N/A 11 N/A N/A
45031 100 A 7 29069 (100) 29540 (99)
45033 N/A N/A 5 N/A N/A
45035 N/A N/A 11 N/A N/A
45037 78 B 4 29824 (83) 29847 (67)
45039 N/A N/A 4 N/A N/A
45041 85 A 10 29555 (97) 29541 (83)
45043 N/A N/A 15 N/A N/A
45045 63 C 30 29356 (66) 29680 (48)
45047 N/A N/A 9 N/A N/A
45049 N/A N/A 12 N/A N/A
45051 82 B 23 29511 (83) 29569 (79)
45053 N/A N/A 5 N/A N/A
45055 N/A N/A 9 N/A N/A
45057 N/A N/A 7 N/A N/A
45059 N/A N/A 8 N/A N/A
45061 N/A N/A 3 N/A N/A
45063 N/A N/A 16 N/A N/A
45065 N/A N/A 6 N/A N/A
45067 N/A N/A 7 N/A N/A
45069 N/A N/A 5 N/A N/A
45071 N/A N/A 9 N/A N/A
45073 N/A N/A 13 N/A N/A
45075 N/A N/A 17 N/A N/A
45077 N/A N/A 13 N/A N/A
45079 80 B 37 29016 (82) 29061 (72)
45081 N/A N/A 3 N/A N/A
45083 79 B 36 29301 (83) 29376 (66)
45085 N/A N/A 10 N/A N/A
45087 N/A N/A 6 N/A N/A
45089 N/A N/A 7 N/A N/A
45091 79 B 16 29710 (81) 29715 (76)

Most Common Contaminants in South Carolina

Contaminant / RuleCategoryZIPs AffectedViolationsHealth Risk
Surface Water Treatment Rule Treatment Technique 132 241 No
Stage 1 DBP Rule Treatment Technique 94 130 Yes
Consumer Confidence Report Rule Reporting 89 154 Yes
Stage 2 DBP Rule Treatment Technique 72 124 Yes
Total Trihalomethanes (TTHM) Disinfection Byproducts 53 58 Yes
Haloacetic Acids (HAA5) Disinfection Byproducts 49 112 Yes
Revised Total Coliform Rule Microbiological 35 49 No
Total Coliform Microbiological 27 44 No

Overview

We track multi-source home safety signals for 534 ZIP records across South Carolina. Home Safety Score model 4.0.0 is published for 159 scored records; missing required evidence suppresses the score.

The EPA snapshots used for this build directly map water systems to 360 ZIP records, covering 302 community water systems that serve approximately 4,009,910 people.

251 of 360 ZIP codes with a reported violation count in the available EPA record (70%) have recorded EPA violations. 82 health-based violations appear in the available health breakdown.

Active Weather Alerts

1 active alert in South Carolina including 1 warning. Severe weather can affect household safety and utilities through flooding, power outages, infrastructure damage, and boil-water advisories.

Alert Severity Areas
Flood Warning Severe Calhoun, SC; Richland, SC

View all South Carolina alerts →

Plumbing Regulations

South Carolina follows the International Plumbing Code (2018 edition).

  • Plumbing code: IPC (2018)
  • Homeowner DIY: Licensed plumber required
  • Water heater permit: Required
  • Annual backflow test: Required

Full South Carolina regulations →

Areas with Most Violations

ZIP Code City Home Safety Grade Violations Health-Based System
29154 Sumter — 19 1 Sumter City of (sc4310001)
29829 Graniteville C 19 8 Breezy Hill W/d (sc0220006)
29061 Hopkins B 18 6 Columbia City of (sc4010001)
29209 Columbia B 15 3 Columbia City of (sc4010001)
29483 Summerville — 14 0 Summerville Cpw (sc1810003)
29620 Abbeville — 14 5 Abbeville City of (sc0110001)
29170 West Columbia — 13 1 Cayce City of (sc3210003)
29715 Fort Mill B 13 3 Fort Mill Town of (sc4610003)
29851 Warrenville B 13 7 Valley Psa (sc0220012)
29486 Summerville B 12 0 Bcwsa Sangaree W/d (0820002)

Areas with No Violations

ZIP Code City Home Safety Grade System Population
29009 Bethune — Bethune Town of (sc2810002) 541
29010 Bishopville — Bishopville Town of (sc3110001) 3,810
29018 Bowman — Orangeburg Dpu (sc3810001) 47,463
29020 Camden — Camden City of (sc2810001) 19,076
29030 Cameron — Orangeburg Dpu (sc3810001) 47,463
29032 Cassatt — Cassatt Wtr Kershaw-lee Company Rwa 25,485
29033 Cayce — Cayce City of (sc3210003) 17,460
29037 Chappells — Newberry Company W&sa (sc3620002) 11,157
29038 Cope — Orangeburg Dpu (sc3810001) 47,463
29039 Cordova — Orangeburg Dpu (sc3810001) 47,463

Home Safety Score

Average Home Safety Score for South Carolina: B (80/100) across 159 scored of 534 tracked ZIP records.

Model 4.0.0 uses the canonical components water-compliance, pfas-mcl-screen, radon-zone, annual-aqi across 3 required domains. The sections below provide additional context and do not change that score. Missing required evidence suppresses the score, and a favorable result is not a property-level safety certification.

Lead & Copper

  • Average of reported 90th-percentile lead results: 0.0029 mg/L (EPA action level: 0.015 mg/L)
  • 3 of 360 ZIP codes with known status exceed the EPA lead action level

Radon Risk

  • High risk (Zone 1): 30 ZIP codes (6%)
  • Moderate risk (Zone 2): 117 ZIP codes
  • Low risk (Zone 3): 387 ZIP codes

ZIP Code Reports for South Carolina

Largest Communities

ZIP Code City Population Safety Grade Violations
29651 Greer 610,813 C 1
29388 Woodruff 599,860 — 2
29483 Summerville 573,174 — 14
29486 Summerville 559,197 B 12
29627 Belton 544,109 C 12
29456 Ladson 533,405 — 2
29669 Pelzer 528,837 C 4
29607 Greenville 524,947 C 1
29650 Greer 521,282 C 1
29687 Taylors 521,282 C 1
29609 Greenville 520,087 C 1
29673 Piedmont 519,589 B 3
29605 Greenville 505,883 C 2
29611 Greenville 497,115 C 2
29615 Greenville 480,081 C 1
29485 Summerville 476,124 — 2
29445 Goose Creek 475,467 B 0
29680 Simpsonville 473,538 D 2
29644 Fountain Inn 473,478 D 1
29681 Simpsonville 471,000 D 1

Lowest Published Home Safety Scores

ZIP Code City Score Grade Violations
29680 Simpsonville 48 D 2
29644 Fountain Inn 49 D 1
29681 Simpsonville 49 D 1
29627 Belton 58 C 12
29655 Iva 58 C 12

Highest Published Home Safety Scores

ZIP Code City Score Grade Violations
29069 Lamar 100 A 1
29101 Mc Bee 100 A 1
29550 Hartsville 100 A 1
29593 Society Hill 100 A 0
29709 Chesterfield 100 A 0

All 534 ZIP Codes in South Carolina

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Largest water systems in South Carolina

The 12 largest community water systems in South Carolina, out of 302 in our data.

Show all 12 water systems

Systems with the most violations in South Carolina

12 systems in South Carolina with the most recorded EPA violations.

Frequently Asked Questions

Is the water safe to drink in South Carolina?

South Carolina has 302 community water systems serving 4,009,910 people across 534 ZIP codes. There are 373 recorded violations among these water systems, including 82 health-based. 251 of 534 ZIP codes are mapped to at least one water system with a recorded violation.

What plumbing code does South Carolina follow?

South Carolina's listed plumbing code type is IPC as of our last review; local jurisdictions may adopt or amend codes. Plumbing work may require a licensed plumber; check state exemptions and local requirements.

Is lead a concern in South Carolina's drinking water?

3 ZIP codes in South Carolina are mapped to water systems whose reported 90th-percentile lead result exceeded the EPA action level of 0.015 mg/L.

What is the radon risk in South Carolina?

6% of ZIP codes in South Carolina are mapped to counties classified as EPA Radon Zone 1 (highest county-level radon potential).

How to cite this page

APA ZipCheckup. (2026). South Carolina Home Safety Profiles by ZIP. https://zipcheckup.com/states/south-carolina/
BibTeX 
@misc{zipcheckup-states-south-carolina,
  author = {{ZipCheckup}},
  title  = {{South Carolina Home Safety Profiles by ZIP}},
  year   = {2026},
  url    = {https://zipcheckup.com/states/south-carolina/}
}

Page version: October 2026.

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