Chlorine dioxide
EPA contaminant code: 1008
Total Violations
1,629
Systems Affected
136
Health-Based %
27.5%
Most Affected State
—
Most Affected Water Systems
| System | State | Violations | Population |
|---|---|---|---|
| PERRY WATER & LIGHT DEPT | OK | 221 | 5,230 |
| CITY OF YUMA | AZ | 88 | 103,264 |
| CITY OF YUMA | AZ | 67 | 103,264 |
| FREDERICK LIVING | PA | 56 | 640 |
| MARWORTH REHAB CENTER | PA | 52 | 178 |
| EXCELA WESTMORELAND HOSPITAL | PA | 39 | 1,500 |
| CHATHAM CO-NORTH | NC | 38 | 23,088 |
| FRANKLIN WATER SUPPLY | LA | 35 | 8,325 |
| CLIMAX MOLYBDENUM CO HENDERSON MILL | CO | 34 | 165 |
| COLORADO CITY MD | CO | 33 | 2,755 |
| M & M WSC | TX | 32 | 3,208 |
| JBSA - SAM HOUSTON | TX | 32 | 37,563 |
| MAGNOLIA WATERWORKS | AR | 31 | 11,657 |
| PUEBLO WEST MD | CO | 30 | 30,000 |
| OAK GROVE WATER SYSTEM | LA | 30 | 2,955 |
| PARISH UTILITIES OF ASCENSION | LA | 27 | 9,732 |
| BRECKENRIDGE PWS | MO | 23 | 333 |
| TODD CREEK VILLAGE MD | CO | 18 | 7,202 |
| MONTEZUMA WC | CO | 18 | 13,797 |
| BRECKENRIDGE PWS | MO | 18 | 333 |
| LACYGNE, CITY OF | KS | 16 | 1,119 |
| STROUD UTILITIES AUTHORITY | OK | 16 | 2,811 |
| RIFLE CITY OF | CO | 15 | 9,489 |
| PAGOSA AREA WSD | CO | 14 | 11,069 |
| ATOKA CO. RWS & SWMD #4 | OK | 14 | 3,000 |
| CREEK CO RWD # 7 | OK | 14 | 2,100 |
| GEISINGER MEDICAL CENTER | PA | 14 | 6,442 |
| APACHE JUNCTION WATER DISTRICT | AZ | 12 | 15,610 |
| LACYGNE, CITY OF | KS | 12 | 1,119 |
| ANTLERS PWA | OK | 12 | 2,547 |