Oklahoma tap water quality
866 community water systems
4.7%
exceed lead action level
(41/865 systems)
(41/865 systems)
8.1%
PFOA/PFOS detected
(13/160 systems)
(13/160 systems)
Largest water systems
Lead is the LCR 90th-percentile result; a value above 0.015 mg/L exceeds the
EPA action level. “—” means no lead sample is on file for that system.
| System | City | Population | Lead (p90) |
|---|---|---|---|
| OKLAHOMA CITY | 644,000 | 0.0016 mg/L | |
| TULSA | 413,000 | 0.0030 mg/L | |
| BROKEN ARROW MUNICIPAL AUTHORITY | 116,330 | 0.0040 mg/L | |
| NORMAN UTILITIES AUTHORITY | 104,868 | 0.0006 mg/L | |
| LAWTON | 92,757 | 0.0072 mg/L | |
| EDMOND PWA | 79,408 | 0.0024 mg/L | |
| MIDWEST CITY | 55,935 | 0.0041 mg/L | |
| MOORE PUBLIC WORKS AUTHORITY | 55,083 | 0.0000 mg/L | |
| STILLWATER UTILITIES AUTHORITY | 53,000 | 0.0030 mg/L | |
| ENID | 49,347 | 0.0060 mg/L | |
| MUSKOGEE MUNICIPAL AUTHORITY | 38,310 | 0.0015 mg/L | |
| BARTLESVILLE | 34,748 | 0.0029 mg/L | |
| OKLAHOMA UNIVERSITY | 34,000 | 0.0003 mg/L | |
| SHAWNEE MUNICIPAL AUTHORITY | 29,990 | 0.0087 mg/L | |
| SAND SPRINGS | 28,774 | 0.0076 mg/L | |
| PONCA CITY MUN WATER | 27,155 | 0.0006 mg/L | |
| WAGONER CO. RWD #4 | 25,792 | 0.0029 mg/L | |
| WASHINGTON CO RWD #3 (NEW,#1) | 25,375 | 0.0000 mg/L | |
| ARDMORE | 24,893 | 0.0050 mg/L | |
| TINKER AIR FORCE BASE | 24,645 | 0.0005 mg/L | |
| DUNCAN PUBLIC UTILITIES AUTHORITY | 23,000 | 0.0000 mg/L | |
| FORT SILL HQUSAFACFS | 23,000 | 0.0070 mg/L | |
| OWASSO | 23,000 | 0.0000 mg/L | |
| ADA | 22,600 | 0.0081 mg/L | |
| YUKON | 22,498 | 0.0000 mg/L | |
| DEL CITY | 22,128 | 0.0013 mg/L | |
| BETHANY | 20,307 | 0.0035 mg/L | |
| SAPULPA | 19,702 | 0.0094 mg/L | |
| ALTUS | 18,717 | 0.0057 mg/L | |
| MUSTANG, CITY OF | 18,576 | 0.0026 mg/L | |
| MCALESTER PWA | 18,206 | 0.0060 mg/L | |
| JENKS PWA | 16,924 | 0.0020 mg/L | |
| EL RENO | 16,212 | 0.0000 mg/L | |
| CHICKASHA MUNICIPAL AUTHORITY | 16,036 | 0.0059 mg/L | |
| CLAREMORE | 15,873 | 0.0037 mg/L | |
| DURANT UTILITIES AUTHORITY | 15,545 | 0.0012 mg/L | |
| WOODWARD | 15,000 | 0.0009 mg/L | |
| TAHLEQUAH PWA | 14,458 | 0.0043 mg/L | |
| MIAMI | 13,704 | 0.0091 mg/L | |
| OKMULGEE PWA | 13,495 | 0.0022 mg/L | |
| SEQUOYAH CO. RWD #8 | 13,460 | 0.0056 mg/L | |
| CREEK CO RWD # 2 | 12,788 | 0.0001 mg/L | |
| GLENPOOL WATER | 12,500 | 0.0000 mg/L | |
| ROGERS CO RWD # 5 | 11,782 | 0.0030 mg/L | |
| GUYMON | 11,442 | 0.0000 mg/L | |
| SOUTHERN OKLA WATER CORP | 11,250 | 0.0021 mg/L | |
| WEATHERFORD | 10,833 | 0.0000 mg/L | |
| ROGERS CO RWD # 3 COT STA | 10,750 | 0.0000 mg/L | |
| ELK CITY | 10,510 | 0.0036 mg/L | |
| ROGERS CO RWD # 3 LAKE PLANT | 10,470 | 0.0011 mg/L | |
| GUTHRIE | 9,925 | 0.0126 mg/L | |
| COWETA PWA | 9,450 | 0.0061 mg/L | |
| LEFLORE CO. RWD #14 | 9,077 | 0.0049 mg/L | |
| LOGAN CO RWD #1 | 8,907 | 0.0000 mg/L | |
| CLINTON | 8,883 | 0.0014 mg/L | |
| PRYOR | 8,784 | 0.0000 mg/L | |
| SALLISAW | 8,510 | 0.0070 mg/L | |
| JEFFERSON CO CONS RWD #1 | 8,398 | 0.0000 mg/L | |
| CUSHING | 8,371 | 0.0018 mg/L | |
| OKMULGEE CO. RWD #6 (HECTORVILLE) | 8,370 | 0.0002 mg/L | |
| SKIATOOK PWA | 8,110 | 0.0000 mg/L | |
| WAGONER | 7,982 | 0.0025 mg/L | |
| POTEAU PWA | 7,939 | 0.0027 mg/L | |
| NEWCASTLE | 7,900 | 0.0010 mg/L | |
| ROGERS CO RWD # 4 | 7,725 | 0.0030 mg/L | |
| BLACKWELL MUNICIPAL AUTHORITY | 7,668 | 0.0063 mg/L | |
| PIEDMONT MUNICIPAL AUTHORITY | 7,542 | 0.0000 mg/L | |
| GROVE MUNICIPAL SERVICES AUTH. | 7,311 | 0.0082 mg/L | |
| FALLS CREEK BAPTIST CONFERENCE CENTER | 7,000 | 0.0036 mg/L | |
| IDABEL PWA | 6,952 | 0.0063 mg/L | |
| SEMINOLE | 6,899 | 0.0082 mg/L | |
| ANADARKO PUBLIC WORKS AUTHORITY | 6,804 | 0.0000 mg/L | |
| PURCELL | 6,693 | 0.0072 mg/L | |
| OSAGE CO RWD #15 | 6,647 | 0.0021 mg/L | |
| VINITA UTILITIES AUTHORITY | 6,472 | 0.0000 mg/L | |
| STEPHENS CO RWD #5 | 6,426 | 0.0000 mg/L | |
| MAYES CO RWD # 2 | 6,280 | 0.0006 mg/L | |
| BRYAN CO. RWS & SWMD #2 | 6,270 | 0.0004 mg/L | |
| PAULS VALLEY | 6,256 | 0.0068 mg/L | |
| TECUMSEH UTILITY AUTHORITY | 6,098 | 0.0183 mg/L | |
| HENRYETTA MUNICIPAL AUTHORITY | 6,096 | 0.0110 mg/L | |
| SAPULPA RURAL WATER COMPANY | 5,810 | 0.0001 mg/L | |
| NOBLE UTILITIES AUTHORITY | 5,750 | 0.0000 mg/L | |
| MCCURTAIN CO. RWD #8 (MT. FORK WATER) | 5,685 | 0.0069 mg/L | |
| CREEK CO RWD # 1 | 5,675 | 0.0009 mg/L | |
| HUGO MUNICIPAL AUTHORITY | 5,536 | 0.0021 mg/L | |
| DEER CREEK RURAL WATER CORP | 5,500 | 0.0000 mg/L | |
| LONGTOWN RW&SD #1 (PITTSBURG CO.) | 5,444 | 0.0015 mg/L | |
| COLLINSVILLE | 5,400 | 0.0070 mg/L | |
| PERRY WATER & LIGHT DEPT | 5,230 | 0.0091 mg/L | |
| ALVA | 5,208 | 0.0000 mg/L | |
| TRI-COUNTY RWD #2 | 5,172 | 0.0076 mg/L | |
| KINGFISHER | 5,073 | 0.0000 mg/L | |
| PORUM PWA | 5,000 | 0.0099 mg/L | |
| SULPHUR | 4,929 | 0.0070 mg/L | |
| LONE GROVE | 4,863 | 0.0064 mg/L | |
| PONTOTOC CO RWD # 7 | 4,863 | 0.0068 mg/L | |
| PUSHMATAHA CO. RWD #3 | 4,825 | 0.0032 mg/L | |
| MURRAY CO RWD # 1 | 4,800 | 0.0034 mg/L | |
| HOLDENVILLE | 4,732 | 0.0074 mg/L |