2026 Rankings

ZIP Codes Linked to Water-System PFAS Detections…

Last updated: October 19, 2026

240 ZIP codes ranked by PFAS Status #1: ZIP 37308 (Birchwood, TN) - 0.0 ppt

Out of 240 ZIP codes with data in Tennessee, these are the highest-ranked areas for pfas status. See also: National ZIP Codes with PFAS Detections in Water | All Tennessee Rankings

Statistic Value
ZIP codes ranked 240
Highest value 0.0 ppt
Median value 0.0 ppt
State Tennessee

Top 100 Worst ZIP Codes

Rank ZIP Code City State PFAS Status Safety Score
1 37308 Birchwood TN 0.0 ppt —
2 37336 Georgetown TN 0.0 ppt —
3 37343 Hixson TN 0.0 ppt 66/100
4 37363 Ooltewah TN 0.0 ppt 62/100
5 37323 Cleveland TN 0.0 ppt —
6 37019 Belfast TN 0.0 ppt —
7 37034 Chapel Hill TN 0.0 ppt —
8 37047 Cornersville TN 0.0 ppt —
9 37091 Lewisburg TN 0.0 ppt —
10 37144 Petersburg TN 0.0 ppt —
11 38451 Culleoka TN 0.0 ppt 83/100
12 37310 Charleston TN 0.0 ppt —
13 37311 Cleveland TN 0.0 ppt —
14 37312 Cleveland TN 0.0 ppt —
15 37353 Mc Donald TN 0.0 ppt —
16 37411 Chattanooga TN 0.0 ppt 83/100
17 37412 Chattanooga TN 0.0 ppt 83/100
18 37421 Chattanooga TN 0.0 ppt 80/100
19 37014 Arrington TN 0.0 ppt 50/100
20 37046 College Grove TN 0.0 ppt 43/100
21 37135 Nolensville TN 0.0 ppt 48/100
22 38012 Brownsville TN 0.0 ppt —
23 38382 Trenton TN 0.0 ppt —
24 38326 Counce TN 0.0 ppt —
25 38357 Michie TN 0.0 ppt —
26 38320 Camden TN 0.0 ppt —
27 38333 Eva TN 0.0 ppt —
28 37167 Smyrna TN 0.0 ppt —
29 37722 Cosby TN 0.0 ppt —
30 37862 Sevierville TN 0.0 ppt 82/100
31 37865 Seymour TN 0.0 ppt 62/100
32 37876 Sevierville TN 0.0 ppt 71/100
33 38341 Holladay TN 0.0 ppt —
34 38363 Parsons TN 0.0 ppt —
35 38380 Sugar Tree TN 0.0 ppt —
36 37032 Cedar Hill TN 0.0 ppt —
37 37073 Greenbrier TN 0.0 ppt —
38 37146 Pleasant View TN 0.0 ppt —
39 37172 Springfield TN 0.0 ppt —
40 37188 White House TN 0.0 ppt —
41 38301 Jackson TN 0.0 ppt 50/100
42 38305 Jackson TN 0.0 ppt 49/100
43 38313 Beech Bluff TN 0.0 ppt —
44 38343 Humboldt TN 0.0 ppt —
45 38355 Medina TN 0.0 ppt —
46 38362 Oakfield TN 0.0 ppt 50/100
47 37012 Alexandria TN 0.0 ppt 33/100
48 37085 Lascassas TN 0.0 ppt 48/100
49 37087 Lebanon TN 0.0 ppt 37/100
50 37090 Lebanon TN 0.0 ppt 42/100
51 37118 Milton TN 0.0 ppt 48/100
52 37184 Watertown TN 0.0 ppt 37/100
53 37725 Dandridge TN 0.0 ppt 45/100
54 38425 Clifton TN 0.0 ppt —
55 37086 La Vergne TN 0.0 ppt —
56 38372 Savannah TN 0.0 ppt —
57 37748 Harriman TN 0.0 ppt 50/100
58 37763 Kingston TN 0.0 ppt 64/100
59 37854 Rockwood TN 0.0 ppt 61/100
60 37127 Murfreesboro TN 0.0 ppt —
61 37128 Murfreesboro TN 0.0 ppt —
62 37129 Murfreesboro TN 0.0 ppt —
63 37130 Murfreesboro TN 0.0 ppt —
64 37711 Bulls Gap TN 0.0 ppt —
65 37857 Rogersville TN 0.0 ppt —
66 38549 Byrdstown TN 0.0 ppt —
67 38577 Pall Mall TN 0.0 ppt —
68 38449 Ardmore TN 0.0 ppt —
69 37330 Estill Springs TN 0.0 ppt —
70 37342 Hillsboro TN 0.0 ppt —
71 37355 Manchester TN 0.0 ppt —
72 37357 Morrison TN 0.0 ppt —
73 37366 Pelham TN 0.0 ppt —
74 37303 Athens TN 0.0 ppt 64/100
75 37322 Decatur TN 0.0 ppt —
76 37370 Riceville TN 0.0 ppt 66/100
77 37302 Apison TN 0.0 ppt 80/100
78 37341 Harrison TN 0.0 ppt 79/100
79 37416 Chattanooga TN 0.0 ppt 80/100
80 37377 Signal Mountain TN 0.0 ppt 75/100
81 38559 Doyle TN 0.0 ppt —
82 38579 Quebeck TN 0.0 ppt —
83 38583 Sparta TN 0.0 ppt —
84 38587 Walling TN 0.0 ppt —
85 37379 Soddy Daisy TN 0.0 ppt 79/100
86 37415 Chattanooga TN 0.0 ppt 83/100
87 37616 Afton TN 0.0 ppt —
88 37641 Chuckey TN 0.0 ppt —
89 37659 Jonesborough TN 0.0 ppt —
90 37681 Limestone TN 0.0 ppt —
91 37743 Greeneville TN 0.0 ppt —
92 37745 Greeneville TN 0.0 ppt —
93 37150 Red Boiling Springs TN 0.0 ppt —
94 38551 Celina TN 0.0 ppt —
95 38575 Moss TN 0.0 ppt —
96 38588 Whitleyville TN 0.0 ppt —
97 37160 Shelbyville TN 0.0 ppt —
98 37352 Lynchburg TN 0.0 ppt —
99 37360 Normandy TN 0.0 ppt —
100 37388 Tullahoma TN 0.0 ppt —

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: 2026-10-19.

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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