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Kansas Water Quality
957 public water systems serving 2,894,673 people.
Water Systems
957
Total Violations
84,344
Violation Rate
99.1%
PFAS Detection
86.4%
89 of 103 tested
Largest Water Systems
WATER DISTRICT 1 OF JOHNSON CO
KANSAS CITY, KS · 482,000 served
WICHITA, CITY OF
WICHITA, KS · 395,699 served
KANSAS CITY BOARD OF PUBLIC UTILITIES
KANSAS CITY, KS · 152,960 served
OLATHE, CITY OF
OLATHE, KS · 143,014 served
TOPEKA, CITY OF
TOPEKA, KS · 125,963 served
LAWRENCE, CITY OF
LAWRENCE, KS · 95,256 served
MANHATTAN, CITY OF
MANHATTAN, KS · 54,763 served
SALINA, CITY OF
SALINA, KS · 46,481 served
HUTCHINSON, CITY OF
HUTCHINSON, KS · 39,712 served
LEAVENWORTH WATER DEPARTMENT
LEAVENWORTH, KS · 38,757 served
FRUSI WATER TREATMENT PLANT
FORT RILEY, KS · 35,784 served
GARDEN CITY, CITY OF
GARDEN CITY, KS · 35,126 served
UNIVERSITY OF KANSAS
LAWRENCE, KS · 35,000 served
DODGE CITY, CITY OF
DODGE CITY, KS · 27,104 served
DERBY, CITY OF
DERBY, KS · 25,413 served
EMPORIA, CITY OF
EMPORIA, KS · 24,009 served
GARDNER, CITY OF
GARDNER, KS · 23,942 served
HAYS, CITY OF
HAYS, KS · 21,040 served
PITTSBURG, CITY OF
PITTSBURG, KS · 20,738 served
LIBERAL, CITY OF
LIBERAL, KS · 19,640 served
Most Violations
#1 SEVERY, CITY OF SEVERY
1,224 #2 ELK CITY, CITY OF ELK CITY
1,064 #3 LONGTON, CITY OF LONGTON
751 #4 PRETTY PRAIRIE, CITY OF PRETTY PRAIRIE
704 #5 NORWICH, CITY OF NORWICH
694 #6 COUNTRY VIEW MOBILE HOME PARK HAYS
684 #7 MITCHELL CO RWD 2 GLEN ELDER
519 #8 CEDAR POINT, CITY OF CEDAR POINT
505 #9 WHITEHURST TRAILER PARK GARDEN CITY
503 #10 ARGONIA, CITY OF ARGONIA
499 #11 MADISON, CITY OF MADISON
483 #12 RICHMOND, CITY OF RICHMOND
459 #13 ALMENA, CITY OF ALMENA
454 #14 RUSH CO RWD 1 MCCRACKEN
444 #15 RENO CO RWD 1 HUTCHINSON
441 Counties in Kansas
Johnson
9 systems · 668,443 served
· 321 violations
Sedgwick
29 systems · 498,426 served
· 1,514 violations
Wyandotte
2 systems · 160,765 served
· 103 violations
Douglas
14 systems · 155,316 served
· 244 violations
Shawnee
9 systems · 154,507 served
· 551 violations
Leavenworth
16 systems · 82,837 served
· 1,071 violations
Riley
13 systems · 62,651 served
· 542 violations
Geary
16 systems · 59,609 served
· 997 violations
Saline
13 systems · 51,554 served
· 833 violations
Reno
25 systems · 50,620 served
· 2,663 violations
Butler
21 systems · 48,500 served
· 1,552 violations
Finney
18 systems · 47,281 served
· 1,522 violations
Crawford
18 systems · 38,940 served
· 1,282 violations
Cowley
16 systems · 35,090 served
· 851 violations
Ford
9 systems · 34,610 served
· 723 violations
Harvey
14 systems · 32,039 served
· 489 violations
Lyon
12 systems · 30,663 served
· 467 violations
Montgomery
17 systems · 30,553 served
· 2,176 violations
Miami
8 systems · 29,041 served
· 1,084 violations
Ellis
14 systems · 26,113 served
· 2,063 violations
McPherson
15 systems · 24,773 served
· 625 violations
Franklin
14 systems · 24,169 served
· 1,252 violations
Sumner
19 systems · 23,906 served
· 2,443 violations
Seward
9 systems · 23,643 served
· 325 violations
Pottawatomie
19 systems · 23,206 served
· 1,299 violations
Barton
16 systems · 22,818 served
· 1,473 violations
Jefferson
18 systems · 19,964 served
· 1,089 violations
Labette
15 systems · 19,599 served
· 1,630 violations
Cherokee
18 systems · 19,138 served
· 1,175 violations
Osage
17 systems · 17,894 served
· 1,472 violations
Showing top 30 of 105 counties.