Oklahoma Tap Water Quality

EPA water quality data for 150 community water systems serving 2,450,297+ people in Oklahoma. Click any system to see violations, lead testing results, and a safety grade.

Oklahoma draws drinking water from surface reservoirs and alluvial aquifers across the Arkansas and Red River basins. Naturally occurring fluoride and barium are found in some groundwater sources. Disinfection byproducts are the most frequently cited violation across the state's many small rural systems.

OKLAHOMA CITY OKLAHOMA CITY, OK · 644,000 people · Surface Water TULSA TULSA, OK · 413,000 people · Surface Water BROKEN ARROW MUNICIPAL AUTHORITY BROKEN ARROW, OK · 116,330 people · Surface Water NORMAN UTILITIES AUTHORITY NORMAN, OK · 104,868 people · Surface Water LAWTON LAWTON, OK · 92,757 people · Surface Water EDMOND PWA EDMOND, OK · 79,408 people · Surface Water MIDWEST CITY MIDWEST CITY, OK · 55,935 people · Surface Water STILLWATER UTILITIES AUTHORITY STILLWATER, OK · 53,000 people · Surface Water MUSKOGEE MUSKOGEE, OK · 38,310 people · Surface Water BARTLESVILLE BARTLESVILLE, OK · 34,748 people · Surface Water SHAWNEE MUNICIPAL AUTHORITY SHAWNEE, OK · 29,990 people · Surface Water SAND SPRINGS SAND SPRINGS, OK · 28,774 people · Surface Water PONCA CITY MUN WATER PONCA CITY, OK · 27,155 people · Surface Water WAGONER CO. RWD #4 BROKEN ARROW, OK · 25,792 people · Surface Water WASHINGTON CO RWD #3 (NEW,#1) COLLINSVILLE, OK · 25,375 people · Surface Water ARDMORE ARDMORE, OK · 24,893 people · Surface Water DUNCAN PUBLIC UTILITIES AUTHORITY DUNCAN, OK · 23,000 people · Surface Water DEL CITY DEL CITY, OK · 22,128 people · Surface Water SAPULPA SAPULPA, OK · 19,702 people · Surface Water ALTUS ALTUS, OK · 18,717 people · Surface Water MCALESTER PWA MCALESTER, OK · 18,206 people · Surface Water MARSHALL COUNTY RURAL WATER DISTRICT #2 MADILL, OK · 17,587 people · Surface Water CHICKASHA MUNICIPAL AUTHORITY CHICKASHA, OK · 16,036 people · Surface Water CLAREMORE CLAREMORE, OK · 15,873 people · Surface Water DURANT UTILITIES AUTHORITY DURANT, OK · 15,545 people · Surface Water TAHLEQUAH PWA TAHLEQUAH, OK · 14,458 people · Surface Water OKMULGEE PWA OKMULGEE, OK · 13,495 people · Surface Water SEQUOYAH CO. RWD #8 SALLISAW, OK · 13,460 people · Surface Water OSU WATER PLANT STILLWATER, OK · 13,000 people · Surface Water ROGERS CO RWD # 5 CLAREMORE, OK · 11,782 people · Surface Water SOUTHERN OKLA WATER CORP ARDMORE, OK · 11,250 people · Surface Water ELK CITY ELK CITY, OK · 10,510 people · Groundwater ROGERS CO RWD # 3 LAKE PLANT CLAREMORE, OK · 10,470 people · Surface Water GUTHRIE GUTHRIE, OK · 9,925 people · Surface Water COWETA PWA COWETA, OK · 9,450 people · Surface Water CLINTON CLINTON, OK · 8,883 people · Surface Water SALLISAW SALLISAW, OK · 8,510 people · Surface Water SKIATOOK PWA SKIATOOK, OK · 8,110 people · Surface Water WAGONER WAGONER, OK · 7,982 people · Surface Water ROGERS CO RWD # 4 OOLOGAH, OK · 7,725 people · Surface Water BLACKWELL MUNICIPAL AUTHORITY BLACKWELL, OK · 7,668 people · Surface Water GROVE MUNICIPAL SERVICES AUTH. GROVE, OK · 7,311 people · Surface Water FALLS CREEK BAPTIST CONFERENCE CENTER OKLAHOMA CITY, OK · 7,000 people · Surface Water IDABEL PWA IDABEL, OK · 6,952 people · Surface Water ANADARKO PUBLIC WORKS AUTHORITY ANADARKO, OK · 6,804 people · Surface Water VINITA UTILITIES AUTHORITY VINITA, OK · 6,472 people · Surface Water BRYAN CO. RWS & SWMD #2 MEAD, OK · 6,270 people · Surface Water PAULS VALLEY PAULS VALLEY, OK · 6,256 people · Surface Water TECUMSEH UTILITY AUTHORITY TECUMSEH, OK · 6,098 people · Surface Water HENRYETTA MUNICIPAL AUTHORITY HENRYETTA, OK · 6,096 people · Surface Water MCCURTAIN CO. RWD #8 (MT. FORK WATER) BROKEN BOW, OK · 5,685 people · Surface Water CREEK CO RWD # 1 KELLYVILLE, OK · 5,675 people · Surface Water HUGO MUNICIPAL AUTHORITY HUGO, OK · 5,536 people · Surface Water LONGTOWN RW&SD #1 (PITTSBURG CO.) EUFAULA, OK · 5,444 people · Surface Water COLLINSVILLE COLLINSVILLE, OK · 5,400 people · Surface Water PERRY WATER & LIGHT DEPT PERRY, OK · 5,230 people · Surface Water PORUM PWA PORUM, OK · 5,000 people · Surface Water PUSHMATAHA CO. RWD #3 ANTLERS, OK · 4,825 people · Surface Water HOLDENVILLE HOLDENVILLE, OK · 4,732 people · Surface Water FORT GIBSON FORT GIBSON, OK · 4,700 people · Surface Water SAYRE SAYRE, OK · 4,375 people · Groundwater WAGONER CO. RWD #9 WAGONER, OK · 4,363 people · Surface Water BROKEN BOW PWA BROKEN BOW, OK · 4,320 people · Surface Water WAGONER CO. RWD #5 COWETA, OK · 4,251 people · Surface Water KETCHUM PWA KETCHUM, OK · 4,025 people · Surface Water OKLA ORDNANCE WORKS AUTHORITY PRYOR, OK · 4,000 people · Surface Water NOWATA MUNICIPAL AUTHORITY NOWATA, OK · 3,971 people · Surface Water FREDERICK FREDERICK, OK · 3,940 people · Surface Water MANNFORD MANNFORD, OK · 3,935 people · Surface Water PAWHUSKA PAWHUSKA, OK · 3,800 people · Surface Water MAYES CO RWD # 6 BIG CABIN, OK · 3,750 people · Surface Water HOBART HOBART, OK · 3,746 people · Surface Water Purchased MCINTOSH CO. RWD #8 (TEXANNA) EUFAULA, OK · 3,574 people · Surface Water CHECOTAH PWA CHECOTAH, OK · 3,481 people · Surface Water WEWOKA PUBLIC WORKS AUTHORITY WEWOKA, OK · 3,450 people · Surface Water MADILL MADILL, OK · 3,410 people · Surface Water CHEROKEE CO. RWD #11 HULBERT, OK · 3,395 people · Surface Water STILWELL STILWELL, OK · 3,276 people · Surface Water CLEVELAND MUNICIPAL AUTHORITY CLEVELAND, OK · 3,262 people · Surface Water CHANDLER CHANDLER, OK · 3,142 people · Surface Water OKEMAH UTILITIES AUTHORITY OKEMAH, OK · 3,113 people · Surface Water MULDROW PWA MULDROW, OK · 3,104 people · Surface Water WILBURTON WILBURTON, OK · 3,025 people · Surface Water ATOKA CO. RWS & SWMD #4 ATOKA, OK · 3,000 people · Surface Water TISHOMINGO MUNICIPAL AUTHORITY TISHOMINGO, OK · 3,000 people · Surface Water HEAVENER UTILITY AUTH - PSG HEAVENER, OK · 3,000 people · Surface Water Purchased HASKELL CO. WATER COMPANY STIGLER, OK · 3,000 people · Surface Water ATOKA ATOKA, OK · 2,988 people · Surface Water ROLAND ROLAND, OK · 2,842 people · Surface Water STROUD UTILITIES AUTHORITY STROUD, OK · 2,811 people · Surface Water GRAND LAKE PWA OCHELATA, OK · 2,800 people · Groundwater HEALDTON HEALDTON, OK · 2,785 people · Surface Water MCINTOSH CO. RWS & SWMD #2 (ONAPA) CHECOTAH, OK · 2,774 people · Surface Water EUFAULA PWA EUFAULA, OK · 2,766 people · Surface Water STIGLER STIGLER, OK · 2,731 people · Surface Water DAVIS DAVIS, OK · 2,610 people · Surface Water HOMINY HOMINY, OK · 2,584 people · Surface Water MAYES CO RWD # 9 LOCUST GROVE, OK · 2,578 people · Surface Water WALTERS PUBLIC WORKS AUTHORITY WALTERS, OK · 2,551 people · Surface Water ANTLERS PWA ANTLERS, OK · 2,547 people · Surface Water JAY JAY, OK · 2,482 people · Surface Water MAYES CO RWD # 3 DISNEY, OK · 2,400 people · Surface Water WYNNEWOOD WATER & LIGHT WYNNEWOOD, OK · 2,307 people · Surface Water PAWNEE PAWNEE, OK · 2,230 people · Surface Water PITTSBURG CO. PWA (CROWDER) CROWDER, OK · 2,203 people · Surface Water SPIRO SPIRO, OK · 2,200 people · Surface Water WAURIKA PUBLIC WORKS AUTHORITY WAURIKA, OK · 2,100 people · Surface Water CREEK CO RWD # 7 MOUNDS, OK · 2,100 people · Surface Water KREBS UTILITY AUTHORITY KREBS, OK · 2,051 people · Surface Water WARNER WARNER, OK · 2,020 people · Surface Water COALGATE PWA COALGATE, OK · 2,005 people · Surface Water WAGONER CO. RWD #2 WAGONER, OK · 2,000 people · Surface Water CHELSEA ECONOMIC DEV. AUTH. CHELSEA, OK · 1,964 people · Surface Water PEGGS WATER COMPANY HULBERT, OK · 1,925 people · Surface Water US ARMY AMMUNITION PLANT MCALESTER, OK · 1,872 people · Surface Water KETCHUM PWA DELAWARE CO SYSTEM KETCHUM, OK · 1,805 people · Surface Water GORE PWA GORE, OK · 1,688 people · Surface Water PITTSBURG CO. RWD #14 MCALESTER, OK · 1,680 people · Surface Water Purchased LANGSTON PWA LANGSTON, OK · 1,670 people · Surface Water COMANCHE PUBLIC WORKS AUTHORITY COMANCHE, OK · 1,649 people · Surface Water CHEROKEE CO. RWD #13 COOKSON, OK · 1,640 people · Surface Water CHEROKEE CHEROKEE, OK · 1,630 people · GWUDI LOCUST GROVE PWA LOCUST GROVE, OK · 1,600 people · Surface Water BECKHAM CO RWD # 1 CARTER, OK · 1,595 people · Groundwater BEAVER BEAVER, OK · 1,570 people · Groundwater FAIRFAX FAIRFAX, OK · 1,555 people · Surface Water SNYDER PUBLIC WORKS AUTHORITY SNYDER, OK · 1,509 people · Surface Water SOUTH DELAWARE CO REGIONAL WATER AUTH. KANSAS, OK · 1,500 people · Surface Water ATOKA CO. RWD #3 (CANEY) CADDO, OK · 1,500 people · Groundwater CHEROKEE CO. RWD #2 (KEYS) HULBERT, OK · 1,493 people · Surface Water WETUMKA WETUMKA, OK · 1,451 people · Surface Water AFTON PWA AFTON, OK · 1,428 people · Surface Water SALINA PWA SALINA, OK · 1,422 people · Surface Water Purchased BEGGS BEGGS, OK · 1,364 people · Surface Water MUSKOGEE CO. RWD #3 COUNCIL HILL, OK · 1,300 people · Surface Water BARNSDALL BARNSDALL, OK · 1,243 people · Surface Water MAYSVILLE MAYSVILLE, OK · 1,212 people · Surface Water EAST CENTRAL OKLAHOMA WATER AUTHORITY WEBBERS FALLS, OK · 1,200 people · Surface Water MURRAY STATE COLLEGE TISHOMINGO, OK · 1,150 people · Surface Water TEMPLE TEMPLE, OK · 1,146 people · Surface Water HUGHES CO. RWD #2 STUART, OK · 1,145 people · Groundwater WAGONER CO. RWD #7 (NEW) OKAY, OK · 1,110 people · Surface Water SEQUOYAH CO. RWD #5 GORE, OK · 1,075 people · Surface Water Purchased ERICK ERICK, OK · 1,023 people · Groundwater HULBERT PWA HULBERT, OK · 1,007 people · Surface Water WELEETKA PUBLIC WORKS AUTHORITY WELEETKA, OK · 998 people · Surface Water MACK ALFORD CORRECTIONAL CENTER STRINGTOWN, OK · 952 people · Surface Water TALIHINA PWA TALIHINA, OK · 950 people · Surface Water LANGLEY LANGLEY, OK · 950 people · Surface Water TENKILLER WATERWORKS, INC. NEW PORT RICHEY, FL · 860 people · Surface Water