Kansas Drinking Water Compliance Records
854 water systems serving 2,872,457 people. 1,327 historical EPA violation records in the Q2 2026 snapshot.
TapScore Compliance-History Grades
A
847
99%
B
5
1%
C
2
0%
D
0
0%
F
0
0%
854
Water Systems
2,872,457
Population Served
1,327
Historical Records
570
Health-Based (All Years)
Systems With the Most Recent EPA Records
CLOUD CO RWD 1
473 served3 historical records2 recent
B
MITCHELL CO RWD 2
873 served3 historical records1 recent
C
NORWICH, CITY OF
433 served14 historical records1 recent
C
ATCHISON CO RWD 3
110 served2 historical records1 recent
B
RUSSELL CO RWD 4
90 served2 historical records1 recent
B
REPUBLIC, CITY OF
83 served7 historical records1 recent
B
SCHOENCHEN, CITY OF
173 served2 historical records1 recent
B
MOUNDRIDGE, CITY OF
1,958 served1 historical record
A
PLEASANTON, CITY OF
1,238 served1 historical record
A
GREELEY, CITY OF
271 served1 historical record
A
Large Systems With No Recent Records
WATER DISTRICT 1 OF JOHNSON CO
490,000 served0 historical records
A
WICHITA, CITY OF
395,699 served0 historical records
A
KANSAS CITY BOARD OF PUBLIC UTILITIES
152,960 served0 historical records
A
OLATHE, CITY OF
143,014 served1 historical record
A
TOPEKA, CITY OF
125,963 served0 historical records
A
LAWRENCE, CITY OF
95,256 served1 historical record
A
MANHATTAN, CITY OF
54,763 served0 historical records
A
SALINA, CITY OF
46,481 served4 historical records
A
HUTCHINSON, CITY OF
39,712 served1 historical record
A
LEAVENWORTH WATER DEPARTMENT
38,757 served1 historical record
A
Largest Water Systems in Kansas
| Water System | Grade | Population | Historical Records |
|---|---|---|---|
| WATER DISTRICT 1 OF JOHNSON CO | A | 490,000 | 0 |
| WICHITA, CITY OF | A | 395,699 | 0 |
| KANSAS CITY BOARD OF PUBLIC UTILITIES | A | 152,960 | 0 |
| OLATHE, CITY OF | A | 143,014 | 1 |
| TOPEKA, CITY OF | A | 125,963 | 0 |
| LAWRENCE, CITY OF | A | 95,256 | 1 |
| MANHATTAN, CITY OF | A | 54,763 | 0 |
| SALINA, CITY OF | A | 46,481 | 4 |
| HUTCHINSON, CITY OF | A | 39,712 | 1 |
| LEAVENWORTH WATER DEPARTMENT | A | 38,757 | 1 |
| FRUSI WATER TREATMENT PLANT | A | 35,784 | 0 |
| GARDEN CITY, CITY OF | A | 35,126 | 0 |
| UNIVERSITY OF KANSAS | A | 35,000 | 0 |
| DODGE CITY, CITY OF | A | 27,104 | 1 |
| DERBY, CITY OF | A | 25,413 | 6 |
| EMPORIA, CITY OF | A | 24,009 | 1 |
| GARDNER, CITY OF | A | 23,942 | 1 |
| HAYS, CITY OF | A | 21,040 | 1 |
| PITTSBURG, CITY OF | A | 20,738 | 1 |
| LIBERAL, CITY OF | A | 19,640 | 1 |
Contaminants in Kansas
Lead in KansasArsenic in KansasNitrate in KansasFluoride in KansasPFOS in KansasPFOA in KansasTHMs in KansasHAA5 in Kansas
Cities in Kansas
KANSAS CITY(2)WICHITA(2)OLATHE(1)TOPEKA(5)LAWRENCE(7)MANHATTAN(11)SALINA(4)LEAVENWORTH(4)HUTCHINSON(6)GARDEN CITY(10)FORT RILEY(1)DERBY(2)GARDNER(2)EMPORIA(7)DODGE CITY(1)PITTSBURG(4)HAYS(10)JUNCTION CITY(4)LIBERAL(2)NEWTON(2)ARKANSAS CITY(5)EL DORADO(4)GREAT BEND(4)PAOLA(3)MCPHERSON(4)FORT SCOTT(2)OTTAWA(4)WAMEGO(3)WINFIELD(5)FORT LEAVENWORTH(1)MULVANE(3)ATCHISON(4)PARSONS(3)HAYSVILLE(1)CHANUTE(8)INDEPENDENCE(5)AUGUSTA(2)BONNER SPRINGS(2)HILLSDALE(1)COFFEYVILLE(3)VALLEY CENTER(2)WELLINGTON(5)ABILENE(4)PARK CITY(2)BEL AIRE(1)TONGANOXIE(4)GODDARD(2)BASEHOR(2)BALDWIN CITY(2)HOLTON(3)SAINT GEORGE(1)BENTON(2)LANSING(1)GIRARD(5)OSAWATOMIE(2)PRATT(1)GARNETT(4)EUDORA(1)ULYSSES(1)IOLA(6)COLUMBUS(4)ELLSWORTH(2)TECUMSEH(1)MAIZE(1)MCCONNELL AFB(1)BELOIT(3)BAXTER SPRINGS(2)LARNED(2)COLBY(1)CONCORDIA(2)OVERBROOK(3)EUREKA(3)CLAY CENTER(3)DESOTO(2)LOUISBURG(2)SENECA(2)MOUND CITY(4)BERRYTON(1)RUSSELL(4)HOLCOMB(3)LINDSBORG(3)GOODLAND(1)ROSE HILL(2)FREDONIA(7)OSAGE CITY(2)AUBURN(1)HILLSBORO(2)WINCHESTER(2)LANCASTER(2)CHERRYVALE(5)FRONTENAC(2)HUGOTON(1)SCOTT CITY(1)ALTAMONT(3)OSWEGO(3)LYONS(1)KECHI(2)VALLEY FALLS(2)ELLIS(2)HESSTON(1)