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Kansas Tap Water Quality

EPA water quality data for 150 community water systems serving 264,111+ people in Kansas. Click any system to see violations, lead testing results, and a safety grade.

Kansas utilities rely on a combination of surface reservoirs and the Ogallala Aquifer for drinking water. Naturally occurring uranium and fluoride are found in western Kansas groundwater. Water hardness is extreme in much of the state, with some areas exceeding 300 mg/L.

PITTSBURG, CITY OF PITTSBURG, KS · 20,738 people · Groundwater GREAT BEND, CITY OF GREAT BEND, KS · 14,580 people · Groundwater EL DORADO, CITY OF EL DORADO, KS · 12,810 people · Surface Water ARKANSAS CITY, CITY OF ARKANSAS CITY, KS · 11,929 people · Groundwater WINFIELD, CITY OF WINFIELD, KS · 11,726 people · Surface Water ATCHISON, CITY OF ATCHISON, KS · 10,694 people · Surface Water AUGUSTA, CITY OF AUGUSTA, KS · 9,267 people · Surface Water FORT SCOTT, CITY OF FORT SCOTT, KS · 7,513 people · Surface Water BOURBON CO RWD 2C FORT SCOTT, KS · 7,050 people · Surface Water Purchased BUTLER CO RWD 5 BENTON, KS · 6,457 people · Surface Water Purchased IOLA, CITY OF IOLA, KS · 5,343 people · Surface Water CONCORDIA, CITY OF CONCORDIA, KS · 5,032 people · Groundwater ROSE HILL, CITY OF ROSE HILL, KS · 4,269 people · Surface Water Purchased CLAY CENTER, CITY OF CLAY CENTER, KS · 4,138 people · Groundwater BAXTER SPRINGS, CITY OF BAXTER SPRINGS, KS · 3,852 people · Surface Water ATCHISON CO RWD 5C LANCASTER, KS · 3,690 people · Surface Water Purchased FRONTENAC, CITY OF FRONTENAC, KS · 3,395 people · Groundwater HIAWATHA, CITY OF HIAWATHA, KS · 3,246 people · Groundwater GARNETT, CITY OF GARNETT, KS · 3,192 people · Surface Water COLUMBUS, CITY OF COLUMBUS, KS · 2,882 people · Surface Water Purchased GALENA, CITY OF GALENA, KS · 2,743 people · Surface Water Purchased HOISINGTON, CITY OF HOISINGTON, KS · 2,657 people · Groundwater BUTLER CO RWD 6 EL DORADO, KS · 2,655 people · Surface Water Purchased BURLINGTON, CITY OF BURLINGTON, KS · 2,641 people · Surface Water COWLEY CO RWD 3 ARKANSAS CITY, KS · 2,500 people · Groundwater GIRARD, CITY OF GIRARD, KS · 2,497 people · Surface Water Purchased HERINGTON, CITY OF HERINGTON, KS · 2,332 people · Surface Water CRAWFORD CO RWD 5 PITTSBURG, KS · 2,200 people · Groundwater ANDERSON CO RWD 1C GARNETT, KS · 2,112 people · Surface Water Purchased ANDERSON CO RWD 5 COLONY, KS · 2,093 people · Surface Water Purchased COWLEY CO RWD 5 BURDEN, KS · 2,000 people · Surface Water Purchased ELLINWOOD, CITY OF ELLINWOOD, KS · 1,989 people · Groundwater CRAWFORD CO RWD 1C GIRARD, KS · 1,915 people · Surface Water Purchased COFFEY CO RWD 3 NEW STRAWN, KS · 1,903 people · Surface Water Purchased CHEROKEE CO RWD 3 BAXTER SPRINGS, KS · 1,900 people · Surface Water Purchased HUMBOLDT, CITY OF HUMBOLDT, KS · 1,836 people · Surface Water MEDICINE LODGE, CITY OF MEDICINE LODGE, KS · 1,723 people · Groundwater DICKINSON CO RWD 2 ABILENE, KS · 1,703 people OBERLIN, CITY OF OBERLIN, KS · 1,639 people · Groundwater CRAWFORD CO RWD 4 GIRARD, KS · 1,580 people · Groundwater BUTLER CO RWD 4 TOWANDA, KS · 1,565 people · Surface Water Purchased DOUGLASS, CITY OF DOUGLASS, KS · 1,551 people · Surface Water Purchased BUTLER CO RWD 2 EL DORADO, KS · 1,534 people · Surface Water Purchased HORTON, CITY OF HORTON, KS · 1,514 people · Groundwater CHEROKEE CO RWD 4 COLUMBUS, KS · 1,500 people · Groundwater COWLEY CO RWD 1 ARKANSAS CITY, KS · 1,500 people · Groundwater BUTLER CO RWD 3 ROSALIA, KS · 1,494 people · Surface Water Purchased CRAWFORD CO RWD 2 ARMA, KS · 1,460 people · Surface Water Purchased BUTLER CO RWD 7 WHITEWATER, KS · 1,455 people · Surface Water Purchased TOWANDA, CITY OF TOWANDA, KS · 1,445 people · Surface Water Purchased ARMA, CITY OF ARMA, KS · 1,406 people · Surface Water Purchased CHAPMAN, CITY OF CHAPMAN, KS · 1,377 people · Groundwater ST FRANCIS, CITY OF ST FRANCIS, KS · 1,292 people · Groundwater COFFEY CO RWD 2E GRIDLEY, KS · 1,254 people · Surface Water Purchased CHEROKEE CO RWD 8 RIVERTON, KS · 1,235 people · Groundwater ANDERSON CO RWD 4 GARNETT, KS · 1,200 people · Surface Water Purchased BOURBON CO RWD 4 BRONSON, KS · 1,161 people · Surface Water COFFEY CO RWD 2 GRIDLEY, KS · 1,146 people · Surface Water Purchased SEDAN, CITY OF SEDAN, KS · 1,005 people · Surface Water Purchased BARTON COUNTY COMMUNITY COLLEGE GREAT BEND, KS · 1,000 people · Groundwater SOLOMON, CITY OF SOLOMON, KS · 993 people · Groundwater CLAY CO RWD 2 LONGFORD, KS · 950 people · Groundwater BENTON, CITY OF BENTON, KS · 946 people · Surface Water Purchased CHEROKEE CO RWD 2 RIVERTON, KS · 943 people · Groundwater CHEROKEE CO RWD 9 RIVERTON, KS · 900 people · Surface Water Purchased LEBO, CITY OF LEBO, KS · 883 people · Surface Water Purchased DICKINSON CO RWD 1 TALMAGE, KS · 879 people · Groundwater KIOWA, CITY OF KIOWA, KS · 869 people · Groundwater WAKEFIELD, CITY OF WAKEFIELD, KS · 846 people · Groundwater CRAWFORD CO RWD 6 MCCUNE, KS · 823 people · Surface Water Purchased COTTONWOOD FALLS, CITY OF COTTONWOOD FALLS, KS · 821 people · Groundwater Purchased COWLEY CO RWD 6 ARKANSAS CITY, KS · 792 people · Groundwater BUTLER CO RWD 1 EL DORADO, KS · 782 people · Surface Water Purchased ASHLAND, CITY OF ASHLAND, KS · 770 people · Groundwater MINNEOLA, CITY OF MINNEOLA, KS · 752 people · Groundwater ALLEN CO RWD 8 HUMBOLDT, KS · 736 people · Surface Water Purchased BROWN CO RWD 2 POWHATTAN, KS · 724 people · Groundwater Purchased ENTERPRISE, CITY OF ENTERPRISE, KS · 714 people · Groundwater BROWN CO RWD 1 FAIRVIEW, KS · 709 people · Groundwater CLYDE, CITY OF CLYDE, KS · 687 people · Groundwater COLDWATER, CITY OF COLDWATER, KS · 672 people · Groundwater ATCHISON CO RWD 6 ATCHISON, KS · 670 people · Surface Water Purchased LEON, CITY OF LEON, KS · 667 people · Surface Water Purchased WHITEWATER, CITY OF WHITEWATER, KS · 666 people · Surface Water Purchased UDALL, CITY OF UDALL, KS · 658 people · Groundwater COWLEY CO RWD 2 WINFIELD, KS · 600 people · Surface Water Purchased CHEROKEE, CITY OF CHEROKEE, KS · 591 people · Surface Water Purchased WAVERLY, CITY OF WAVERLY, KS · 574 people · Surface Water Purchased WEIR, CITY OF WEIR, KS · 566 people · Surface Water Purchased CLAFLIN, CITY OF CLAFLIN, KS · 553 people · Groundwater CHEROKEE CO RWD 1 CRESTLINE, KS · 520 people · Groundwater BURDEN, CITY OF BURDEN, KS · 514 people · Surface Water Purchased PROTECTION, CITY OF PROTECTION, KS · 503 people · Groundwater GAS CITY, CITY OF GAS, KS · 501 people · Surface Water Purchased EFFINGHAM, CITY OF EFFINGHAM, KS · 500 people · Groundwater COWLEY CO RWD 4 WINFIELD, KS · 500 people · Surface Water Purchased ATCHISON CO RWD 1 ATCHISON, KS · 490 people · Surface Water Purchased LA HARPE, CITY OF LA HARPE, KS · 484 people · Surface Water Purchased CHEROKEE CO RWD 5 CHEROKEE, KS · 480 people · Surface Water Purchased CEDAR VALE, CITY OF CEDAR VALE, KS · 475 people · Surface Water Purchased CHAUTAUQUA CO RWD 4 SEDAN, KS · 475 people · Surface Water Purchased CLOUD CO RWD 1 CONCORDIA, KS · 473 people · Groundwater MORAN, CITY OF MORAN, KS · 467 people · Surface Water Purchased STRONG CITY, CITY OF STRONG CITY, KS · 455 people · Groundwater Purchased CLIFTON, CITY OF CLIFTON, KS · 455 people · Groundwater LEROY, CITY OF LEROY, KS · 447 people · Surface Water Purchased MILTONVALE, CITY OF MILTONVALE, KS · 444 people · Groundwater GLASCO, CITY OF GLASCO, KS · 441 people · Groundwater BIRD CITY, CITY OF BIRD CITY, KS · 437 people · Groundwater CRAWFORD CO RWD 1 FRONTENAC, KS · 430 people · Groundwater CHICOPEE RURAL WATER DISTRICT PITTSBURG, KS · 425 people · Surface Water Purchased POTWIN, CITY OF POTWIN, KS · 424 people · Surface Water Purchased NEW STRAWN, CITY OF NEW STRAWN, KS · 412 people · Surface Water Purchased MULBERRY, CITY OF MULBERRY, KS · 411 people · Surface Water Purchased COLONY, CITY OF COLONY, KS · 377 people · Surface Water Purchased MCCUNE, CITY OF MCCUNE, KS · 372 people · Surface Water Purchased SCAMMON, CITY OF SCAMMON, KS · 370 people · Groundwater BARTON CO RWD 2 GREAT BEND, KS · 368 people · Groundwater Purchased CHASE CO RWD 1 STRONG CITY, KS · 330 people · Groundwater Purchased GRIDLEY, CITY OF GRIDLEY, KS · 312 people · Surface Water Purchased HOPE, CITY OF HOPE, KS · 312 people · Surface Water Purchased BRONSON, CITY OF BRONSON, KS · 305 people · Surface Water Purchased COWLEY CO RWD 7 WINFIELD, KS · 300 people · Surface Water Purchased UNIONTOWN, CITY OF UNIONTOWN, KS · 296 people · Surface Water Purchased CHAUTAUQUA CO RWD 2 MOLINE, KS · 278 people · Surface Water Purchased GREELEY, CITY OF GREELEY, KS · 271 people · Surface Water Purchased EVEREST, CITY OF EVEREST, KS · 259 people · Groundwater ARCADIA, CITY OF ARCADIA, KS · 257 people · Surface Water Purchased CRAWFORD CO RWD 3 MULBERRY, KS · 250 people · Groundwater LANCASTER, CITY OF LANCASTER, KS · 248 people · Surface Water Purchased BARBER CO RWD 2 KIOWA, KS · 245 people · Groundwater JAMESTOWN, CITY OF JAMESTOWN, KS · 234 people · Groundwater BARBER CO RWD 3 LAKE CITY, KS · 230 people · Groundwater DEXTER, CITY OF DEXTER, KS · 226 people · Surface Water Purchased ELBING, CITY OF ELBING, KS · 225 people · Groundwater Purchased MORRILL, CITY OF MORRILL, KS · 217 people · Surface Water Purchased CHAUTAUQUA CO RWD 3 SEDAN, KS · 200 people · Surface Water Purchased PAWNEE ROCK, CITY OF PAWNEE ROCK, KS · 190 people · Groundwater WALNUT, CITY OF WALNUT, KS · 189 people · Surface Water Purchased MORGANVILLE, CITY OF MORGANVILLE, KS · 183 people · Groundwater Purchased ROBINSON, CITY OF ROBINSON, KS · 181 people · Groundwater Purchased BARTON HILLS ADDITION GREAT BEND, KS · 176 people · Groundwater COMANCHE CO RWD 2 COLDWATER, KS · 173 people · Groundwater ATLANTA, CITY OF ATLANTA, KS · 169 people · Surface Water Purchased FULTON, CITY OF FULTON, KS · 165 people · Surface Water Purchased HARDTNER, CITY OF HARDTNER, KS · 164 people · Groundwater NORCATUR, CITY OF NORCATUR, KS · 159 people · Groundwater MUSCOTAH, CITY OF MUSCOTAH, KS · 158 people · Groundwater CHEROKEE CO RWD 7 PITTSBURG, KS · 158 people · Surface Water Purchased WEST MINERAL, CITY OF WEST MINERAL, KS · 150 people · Surface Water Purchased