Combined Radium (-226 and -228)
EPA contaminant code: 4010
Total Violations
142,845
Systems Affected
6,396
Health-Based %
44.5%
Most Affected State
—
Most Affected Water Systems
| System | State | Violations | Population |
|---|---|---|---|
| CITY OF BRADY WATER SYSTEM | TX | 1,839 | 5,371 |
| BROOKWOOD COMM WTR SYSTEM | NC | 1,254 | 15,380 |
| WAUKESHA WATER UTILITY | WI | 1,146 | 70,718 |
| MAY VALLEY WA | CO | 1,022 | 1,500 |
| BIGGSVILLE | IL | 586 | 273 |
| SENECA MOBILE HOMES LLC | IL | 527 | 10 |
| WEST JACKSON CO UTILITY DIST | MS | 489 | 28,544 |
| MILLERSVIEW DOOLE WSC | TX | 469 | 3,987 |
| KENDALL COUNTY WCID 1 | TX | 436 | 3,579 |
| CITY OF BILOXI | MS | 420 | 23,310 |
| TEMPE WSC 1 | TX | 420 | 2,725 |
| NAPLATE | IL | 417 | 465 |
| NEPONSET | IL | 414 | 427 |
| ELM OAK MUTUAL WATER SYSTEM | IL | 391 | 50 |
| COUNCIL CREEK VILLAGE | TX | 391 | 333 |
| SOUTH SILVER CREEK I II & III | TX | 390 | 291 |
| VALLEY WC | CO | 387 | 270 |
| CITY OF MELVIN | TX | 368 | 300 |
| SUSSEX VILLAGE HALL & WATER UTILITY | WI | 361 | 11,750 |
| SOUTH SWINK WATER AUTHORITY | CO | 354 | 622 |
| LIVE OAK HILLS SUBDIVISION | TX | 339 | 65 |
| CITY OF MASON | TX | 337 | 2,228 |
| CITY OF GULFPORT | MS | 336 | 75,056 |
| BRYANT | IL | 331 | 267 |
| EDELSTEIN WATER COOP | IL | 330 | 113 |
| CIRCLE H MHP | NC | 317 | 68 |
| BRONAUGH PWS | MO | 313 | 245 |
| KEESLER AIR FORCE BASE | MS | 312 | 8,006 |
| CITY OF LONG BEACH | MS | 310 | 18,514 |
| TOWN OF ABERDEEN | MS | 308 | 7,783 |