Ohio

Total Incidents:
15,617

Contaminants in Your State

Latest Boil Water Advisories

Date Reported Location Affected Number of People Affected Cause Time Lasted
June 6, 2021 Defiance, Ohio 17,000 Water Main Break N/A
May 27, 2021 Miamisburg, Ohio 50 Water Main Break N/A
May 24, 2021 Lima, Ohio 2,170 Loss of Pressure N/A
May 11, 2021 Continental, Ohio 1,130 Not listed 2 Days
April 21, 2021 Lawrenceville, Ohio 100 Water Main Repair N/A

Counties

County
Incident Count
ACCOMACK, OH
4
ADAMS, OH
9
ALLEN, OH
265
ASHLAND, OH
74
ASHTABULA, OH
53
ATHENS, OH
14
AUGLAIZE, OH
32
BARRY, OH
4
BELMONT, OH
23
BRAZORIA, OH
41
BROOME, OH
2
BUFFALO, OH
2
BUTLER, OH
34
CARROLL, OH
320
CASS, OH
14
CHAMPAIGN, OH
150
CLARE, OH
5
CLARK, OH
466
CLERMONT, OH
6
CLINTON, OH
46
COLFAX, OH
10
COLUMBIANA, OH
407
COSHOCTON, OH
65
CRAWFORD, OH
55
CUYAHOGA, OH
13
DARKE, OH
143
DEARBORN, OH
12
DEFIANCE, OH
373
DELAWARE, OH
15
ELKHART, OH
5
ERIE, OH
22
FAIRFIELD, OH
436
FAYETTE, OH
40
FRANKLIN, OH
726
FREDERICK, OH
6
FULTON, OH
192
GEAUGA, OH
877
GENESEE, OH
4
GREENE, OH
132
GUERNSEY, OH
152
HAMILTON, OH
54
HANCOCK, OH
240
HARDIN, OH
59
HARRIS, OH
4
HARRISON, OH
94
HENRY, OH
510
HIGHLAND, OH
25
HOCKING, OH
39
HOLMES, OH
279
HURON, OH
128
JACKSON, OH
34
JASPER, OH
1
JAY, OH
2
JEFFERSON, OH
89
JENNINGS, OH
12
KNOX, OH
197
LAKE, OH
37
LANCASTER, OH
10
LAPORTE, OH
18
LEHIGH, OH
4
LICKING, OH
431
LIVINGSTON, OH
4
LOGAN, OH
370
LORAIN, OH
40
LUCAS, OH
193
LUNA, OH
14
MADISON, OH
243
MAHONING, OH
467
MARION, OH
64
MARSHALL, OH
2
MECOSTA, OH
9
MEDINA, OH
147
MERCER, OH
208
MERRIMACK, OH
10
MIAMI, OH
260
MISSOULA, OH
4
MONROE, OH
26
MONTGOMERY, OH
372
MORGAN, OH
49
MORROW, OH
29
MUSKINGUM, OH
99
NOBLE, OH
22
OAKLAND, OH
5
OTTAWA, OH
120
PAULDING, OH
21
PERRY, OH
136
PICKAWAY, OH
140
PIKE, OH
45
PORTAGE, OH
282
PORTER, OH
5
PREBLE, OH
109
PUTNAM, OH
224
QUEEN ANNE'S, OH
4
RANDOLPH, OH
9
RICHLAND, OH
160
ROSS, OH
16
SAN JOAQUIN, OH
5
SANDUSKY, OH
234
SCIOTO, OH
1
SENECA, OH
234
SHELBY, OH
223
STARK, OH
617
STEUBEN, OH
26
SUMMIT, OH
761
SUSSEX, OH
4
TIPPECANOE, OH
2
TRUMBULL, OH
397
TUSCARAWAS, OH
232
UNION, OH
110
VAN WERT, OH
69
VINTON, OH
109
WARREN, OH
20
WASHINGTON, OH
78
WASHTENAW, OH
4
WAYNE, OH
502
WILLIAMS, OH
54
WOOD, OH
203
WYANDOT, OH
45