2026 Rankings

ZIP Codes Linked to Water-System PFAS Detections…

Last updated: October 15, 2026

184 ZIP codes ranked by PFAS Status #1: ZIP 29628 (Calhoun Falls, SC) - 0.1 ppt

Out of 184 ZIP codes with data in South Carolina, these are the highest-ranked areas for pfas status. See also: National ZIP Codes with PFAS Detections in Water | All South Carolina Rankings

Statistic Value
ZIP codes ranked 184
Highest value 0.1 ppt
Median value 0.0 ppt
State South Carolina

Top 100 Worst ZIP Codes

Rank ZIP Code City State PFAS Status Safety Score
1 29628 Calhoun Falls SC 0.1 ppt —
2 29325 Clinton SC 0.1 ppt —
3 29332 Cross Hill SC 0.1 ppt —
4 29335 Enoree SC 0.1 ppt 66/100
5 29355 Kinards SC 0.1 ppt —
6 29360 Laurens SC 0.1 ppt —
7 29370 Mountville SC 0.1 ppt —
8 29384 Waterloo SC 0.1 ppt —
9 29644 Fountain Inn SC 0.1 ppt 49/100
10 29645 Gray Court SC 0.1 ppt —
11 29654 Honea Path SC 0.1 ppt 59/100
12 29669 Pelzer SC 0.1 ppt 62/100
13 29680 Simpsonville SC 0.1 ppt 48/100
14 29681 Simpsonville SC 0.1 ppt 49/100
15 29692 Ware Shoals SC 0.1 ppt —
16 29646 Greenwood SC 0.1 ppt —
17 29649 Greenwood SC 0.1 ppt —
18 29653 Hodges SC 0.1 ppt —
19 29666 Ninety Six SC 0.1 ppt —
20 29627 Belton SC 0.1 ppt 58/100
21 29620 Abbeville SC 0.0 ppt —
22 29638 Donalds SC 0.0 ppt —
23 29016 Blythewood SC 0.0 ppt 82/100
24 29130 Ridgeway SC 0.0 ppt —
25 29180 Winnsboro SC 0.0 ppt —
26 29340 Gaffney SC 0.0 ppt —
27 29152 Shaw A F B SC 0.0 ppt —
28 29341 Gaffney SC 0.0 ppt —
29 29330 Cowpens SC 0.0 ppt 66/100
30 29006 Batesburg SC 0.0 ppt —
31 29070 Leesville SC 0.0 ppt —
32 29702 Blacksburg SC 0.0 ppt —
33 29379 Union SC 0.0 ppt —
34 29511 Aynor SC 0.0 ppt 83/100
35 29526 Conway SC 0.0 ppt 80/100
36 29527 Conway SC 0.0 ppt 80/100
37 29544 Galivants Ferry SC 0.0 ppt 83/100
38 29545 Green Sea SC 0.0 ppt 83/100
39 29568 Longs SC 0.0 ppt 82/100
40 29569 Loris SC 0.0 ppt 79/100
41 29575 Myrtle Beach SC 0.0 ppt 83/100
42 29576 Murrells Inlet SC 0.0 ppt 83/100
43 29577 Myrtle Beach SC 0.0 ppt 83/100
44 29579 Myrtle Beach SC 0.0 ppt 83/100
45 29581 Nichols SC 0.0 ppt —
46 29588 Myrtle Beach SC 0.0 ppt 83/100
47 29108 Newberry SC 0.0 ppt —
48 29138 Saluda SC 0.0 ppt —
49 29145 Silverstreet SC 0.0 ppt —
50 29020 Camden SC 0.0 ppt —
51 29036 Chapin SC 0.0 ppt 79/100
52 29053 Gaston SC 0.0 ppt —
53 29072 Lexington SC 0.0 ppt —
54 29073 Lexington SC 0.0 ppt —
55 29123 Pelion SC 0.0 ppt —
56 29170 West Columbia SC 0.0 ppt —
57 29582 North Myrtle Beach SC 0.0 ppt 82/100
58 29075 Little Mountain SC 0.0 ppt —
59 29126 Pomaria SC 0.0 ppt —
60 29127 Prosperity SC 0.0 ppt —
61 29129 Ridge Spring SC 0.0 ppt —
62 29166 Ward SC 0.0 ppt —
63 29169 West Columbia SC 0.0 ppt —
64 29440 Georgetown SC 0.0 ppt —
65 29816 Bath SC 0.0 ppt 83/100
66 29829 Graniteville SC 0.0 ppt 67/100
67 29841 North Augusta SC 0.0 ppt 83/100
68 29842 Beech Island SC 0.0 ppt 80/100
69 29847 Trenton SC 0.0 ppt 67/100
70 29860 North Augusta SC 0.0 ppt 83/100
71 29720 Lancaster SC 0.0 ppt —
72 29207 Columbia SC 0.0 ppt 81/100
73 29585 Pawleys Island SC 0.0 ppt —
74 29045 Elgin SC 0.0 ppt —
75 29078 Lugoff SC 0.0 ppt —
76 29044 Eastover SC 0.0 ppt —
77 29061 Hopkins SC 0.0 ppt 72/100
78 29063 Irmo SC 0.0 ppt 81/100
79 29201 Columbia SC 0.0 ppt 82/100
80 29203 Columbia SC 0.0 ppt 81/100
81 29204 Columbia SC 0.0 ppt 82/100
82 29205 Columbia SC 0.0 ppt 82/100
83 29206 Columbia SC 0.0 ppt 81/100
84 29209 Columbia SC 0.0 ppt 76/100
85 29210 Columbia SC 0.0 ppt —
86 29212 Columbia SC 0.0 ppt —
87 29223 Columbia SC 0.0 ppt 79/100
88 29229 Columbia SC 0.0 ppt 80/100
89 29055 Great Falls SC 0.0 ppt —
90 29706 Chester SC 0.0 ppt —
91 29707 Fort Mill SC 0.0 ppt —
92 29821 Clarks Hill SC 0.0 ppt —
93 29824 Edgefield SC 0.0 ppt 83/100
94 29835 Mc Cormick SC 0.0 ppt —
95 29845 Plum Branch SC 0.0 ppt —
96 29848 Troy SC 0.0 ppt —
97 29455 Johns Island SC 0.0 ppt 82/100
98 29429 Awendaw SC 0.0 ppt 83/100
99 29464 Mount Pleasant SC 0.0 ppt 83/100
100 29466 Mount Pleasant SC 0.0 ppt 77/100

Methodology

PFAS detection data comes from EPA UCMR5 monitoring, state-level testing programs, and Consumer Confidence Reports. ZIP codes are ranked by maximum PFAS concentration detected. The EPA has set MCLs of 4 ppt for PFOA and PFOS individually. PFAS are persistent chemicals that do not break down in the environment.

Data sources: EPA Safe Drinking Water Information System (SDWIS), FEMA National Flood Insurance Program, EPA radon zone maps, EIA electricity rates, and Consumer Confidence Reports. Last updated: 2026-10-15.

Frequently Asked Questions

What are PFAS?

PFAS (per- and polyfluoroalkyl substances) are synthetic chemicals used in non-stick coatings, firefighting foam, and food packaging since the 1940s. They are called "forever chemicals" because they do not break down naturally. PFAS are linked to cancer, liver damage, thyroid disease, and immune system suppression.

How can I remove PFAS from my water?

Reverse osmosis (RO) and granular activated carbon (GAC) filters are effective at removing most PFAS from drinking water. NSF/ANSI 53 or 58 certified filters are recommended. Boiling water does NOT remove PFAS.

Explore More Rankings

How this ranking is calculated, data sources, and limitations: Rankings Methodology →


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Disclaimer: Rankings are based on EPA, FEMA, and federal agency data. They reflect historical patterns and risk indicators, not necessarily current conditions. For the most current information, contact your local water utility or request a Consumer Confidence Report.

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