PFAS Detections in Ohio ZIP Codes — 2026

Out of 548 ZIP codes with data in Ohio, these are the highest-ranked areas for pfas status. See also: National ZIP Codes with PFAS Detections in Water | All Ohio Rankings

Statistic	Value
ZIP codes ranked	548
Highest value	0.2 ppt
Median value	0.0 ppt
State	Ohio

Top 100 Worst ZIP Codes

Rank	ZIP Code	City	State	PFAS Status	Safety Score
1	44430	Leavittsburg	OH	0.2 ppt	50/100
2	44444	Newton Falls	OH	0.2 ppt	72/100
3	44481	Warren	OH	0.2 ppt	74/100
4	45817	Bluffton	OH	0.1 ppt	52/100
5	45848	Glandorf	OH	0.1 ppt	68/100
6	45864	Miller City	OH	0.1 ppt	53/100
7	45875	Ottawa	OH	0.1 ppt	67/100
8	45034	Kings Mills	OH	0.0 ppt	40/100
9	45433	Dayton	OH	0.0 ppt	32/100
10	43215	Columbus	OH	0.0 ppt	63/100
11	44420	Girard	OH	0.0 ppt	78/100
12	44437	Mc Donald	OH	0.0 ppt	63/100
13	44440	Mineral Ridge	OH	0.0 ppt	63/100
14	44446	Niles	OH	0.0 ppt	76/100
15	45714	Belpre	OH	0.0 ppt	72/100
16	45692	Wellston	OH	0.0 ppt	76/100
17	43701	Zanesville	OH	0.0 ppt	58/100
18	44505	Youngstown	OH	0.0 ppt	75/100
19	45322	Englewood	OH	0.0 ppt	70/100
20	45371	Tipp City	OH	0.0 ppt	61/100
21	45377	Vandalia	OH	0.0 ppt	70/100
22	45383	West Milton	OH	0.0 ppt	68/100
23	45729	Fleming	OH	0.0 ppt	63/100
24	45744	Lowell	OH	0.0 ppt	76/100
25	45750	Marietta	OH	0.0 ppt	59/100
26	45786	Waterford	OH	0.0 ppt	74/100
27	44406	Canfield	OH	0.0 ppt	76/100
28	44502	Youngstown	OH	0.0 ppt	80/100
29	44503	Youngstown	OH	0.0 ppt	80/100
30	44504	Youngstown	OH	0.0 ppt	80/100
31	44506	Youngstown	OH	0.0 ppt	80/100
32	44507	Youngstown	OH	0.0 ppt	80/100
33	44509	Youngstown	OH	0.0 ppt	80/100
34	44510	Youngstown	OH	0.0 ppt	80/100
35	44511	Youngstown	OH	0.0 ppt	80/100
36	44512	Youngstown	OH	0.0 ppt	70/100
37	44514	Youngstown	OH	0.0 ppt	75/100
38	44515	Youngstown	OH	0.0 ppt	70/100
39	43002	Amlin	OH	0.0 ppt	53/100
40	43004	Blacklick	OH	0.0 ppt	70/100
41	43016	Dublin	OH	0.0 ppt	70/100
42	43017	Dublin	OH	0.0 ppt	65/100
43	43026	Hilliard	OH	0.0 ppt	53/100
44	43031	Johnstown	OH	0.0 ppt	70/100
45	43035	Lewis Center	OH	0.0 ppt	62/100
46	43054	New Albany	OH	0.0 ppt	53/100
47	43064	Plain City	OH	0.0 ppt	45/100
48	43065	Powell	OH	0.0 ppt	45/100
49	43068	Reynoldsburg	OH	0.0 ppt	60/100
50	43081	Westerville	OH	0.0 ppt	59/100
51	43082	Westerville	OH	0.0 ppt	69/100
52	43085	Columbus	OH	0.0 ppt	58/100
53	43109	Brice	OH	0.0 ppt	53/100
54	43110	Canal Winchester	OH	0.0 ppt	70/100
55	43119	Galloway	OH	0.0 ppt	45/100
56	43123	Grove City	OH	0.0 ppt	53/100
57	43125	Groveport	OH	0.0 ppt	65/100
58	43130	Lancaster	OH	0.0 ppt	58/100
59	43137	Lockbourne	OH	0.0 ppt	66/100
60	43146	Orient	OH	0.0 ppt	53/100
61	43147	Pickerington	OH	0.0 ppt	65/100
62	43201	Columbus	OH	0.0 ppt	68/100
63	43202	Columbus	OH	0.0 ppt	63/100
64	43203	Columbus	OH	0.0 ppt	64/100
65	43204	Columbus	OH	0.0 ppt	63/100
66	43205	Columbus	OH	0.0 ppt	68/100
67	43206	Columbus	OH	0.0 ppt	68/100
68	43207	Columbus	OH	0.0 ppt	63/100
69	43209	Columbus	OH	0.0 ppt	58/100
70	43210	Columbus	OH	0.0 ppt	64/100
71	43211	Columbus	OH	0.0 ppt	68/100
72	43212	Columbus	OH	0.0 ppt	63/100
73	43213	Columbus	OH	0.0 ppt	58/100
74	43214	Columbus	OH	0.0 ppt	58/100
75	43216	Columbus	OH	0.0 ppt	64/100
76	43217	Columbus	OH	0.0 ppt	68/100
77	43218	Columbus	OH	0.0 ppt	68/100
78	43219	Columbus	OH	0.0 ppt	63/100
79	43220	Columbus	OH	0.0 ppt	63/100
80	43221	Columbus	OH	0.0 ppt	63/100
81	43222	Columbus	OH	0.0 ppt	68/100
82	43223	Columbus	OH	0.0 ppt	58/100
83	43224	Columbus	OH	0.0 ppt	63/100
84	43227	Columbus	OH	0.0 ppt	58/100
85	43228	Columbus	OH	0.0 ppt	63/100
86	43229	Columbus	OH	0.0 ppt	63/100
87	43230	Columbus	OH	0.0 ppt	58/100
88	43231	Columbus	OH	0.0 ppt	68/100
89	43232	Columbus	OH	0.0 ppt	58/100
90	43235	Columbus	OH	0.0 ppt	63/100
91	43236	Columbus	OH	0.0 ppt	64/100
92	43240	Columbus	OH	0.0 ppt	64/100
93	45140	Loveland	OH	0.0 ppt	60/100
94	43420	Fremont	OH	0.0 ppt	71/100
95	44807	Attica	OH	0.0 ppt	62/100
96	44811	Bellevue	OH	0.0 ppt	50/100
97	44818	Bloomville	OH	0.0 ppt	53/100
98	44820	Bucyrus	OH	0.0 ppt	51/100
99	44825	Chatfield	OH	0.0 ppt	40/100
100	44828	Flat Rock	OH	0.0 ppt	40/100

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: 2026-06-04.

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.