Kansas Tap Water Quality Report

551 cities analyzed • 2,379,543 people served

Updated March 2026 • Data from EWG & EPA SDWIS

551

Cities Analyzed

10.0

Avg Above Guidelines

2,379,543

Total Population Served

Best Water Quality

Valley Falls (1 above guidelines)

Most Concerns

Great Bend (20 above guidelines)

Most Common Contaminants in Kansas

Contaminant	Found In	% of Cities
Dibromochloromethane carcinogen	513 of 551	93%
Total trihalomethanes (TTHMs) carcinogen	511 of 551	93%
Dibromoacetic acid	501 of 551	91%
Bromodichloromethane carcinogen	496 of 551	90%
Bromoform carcinogen	465 of 551	84%
Haloacetic acids (HAA5) carcinogen	457 of 551	83%
Dichloroacetic acid carcinogen	446 of 551	81%
Chloroform carcinogen	441 of 551	80%
Barium	390 of 551	71%
Monobromoacetic acid	377 of 551	68%

City-by-City Water Quality Rankings

Ranked by number of contaminants above EWG health guidelines (most to fewest).

#	City	Detected	Above Guidelines	Above Legal	People Served
1	Great Bend	39	20	0	14,580
2	Arkansas City	29	16	0	11,929
3	Bonner Springs	29	16	0	7,805
4	Baldwin City	32	16	0	4,700
5	Russell	30	16	0	4,388
6	Burr Oak	20	16	0	142
7	Fort Riley	30	15	3	35,784
8	Atchison	29	15	0	10,694
9	St Marys	23	15	0	2,781
10	Galena	24	15	0	2,743
11	Norton	22	15	1	950
12	New Almelo	22	15	0	0
13	Wichita	24	14	0	395,699
14	Salina	30	14	0	46,481
15	Leavenworth	28	14	0	38,757
16	Garden City	29	14	0	35,126
17	Derby	24	14	0	25,413
18	Hays	30	14	0	20,795
19	Liberal	25	14	0	19,640
20	Valley Center	24	14	0	7,419
21	Pratt	29	14	0	6,573
22	Mcconnell Afb	24	14	0	6,009
23	Tonganoxie	27	14	0	5,702
24	Rose Hill	24	14	0	4,269
25	Auburn	27	14	0	4,160
26	Baxter Springs	25	14	0	3,852
27	Winchester	28	14	0	3,635
28	Ellsworth	22	14	0	2,992
29	Kechi	24	14	0	2,261
30	Humboldt	23	14	0	1,836
31	Rossville	19	14	0	1,099
32	Dwight	22	14	0	1,091
33	Benton	24	14	0	946
34	Assaria	30	14	0	936
35	Waterville	17	14	0	656
36	Gorham	22	14	0	381
37	Alliance	30	14	0	300
38	Dorrance	22	14	0	145
39	Rozel	20	14	0	98
40	Windom	23	14	0	93
41	Gaylord	20	14	0	83
42	Bentley	24	14	0	0
43	Dodge City	26	13	0	27,104
44	Junction City	25	13	0	19,167
45	Newton	24	13	0	18,433
46	Haysville	23	13	0	11,315
47	Coffeyville	24	13	0	8,847
48	Wellington	23	13	0	7,664
49	Mulvane	21	13	0	6,587
50	Iola	23	13	0	5,343
51	Wamego	21	13	0	4,860
52	Desoto	21	13	0	4,645
53	Girard	20	13	0	2,497
54	Sterling	19	13	0	2,318
55	Williamsburg	26	13	0	2,281
56	Ogden	17	13	0	1,721
57	South Coffeyville	24	13	0	1,113
58	Hanover	21	13	0	689
59	Gas	23	13	0	501
60	Cawker City	18	13	0	447
61	Miltonvale	17	13	0	444
62	Alta Vista	18	13	0	422
63	Arcadia	20	13	0	257
64	Brookville	21	13	0	244
65	Jamestown	18	13	0	234
66	Agra	21	13	0	200
67	Luray	21	13	0	167
68	Morrowville	21	13	0	115
69	Mayfield	23	13	0	74
70	Codell	17	13	0	40
71	Timken	19	13	1	39
72	Paradise	21	13	0	34
73	Waldo	21	13	1	31
74	Englewood	18	13	0	0
75	Hoxie	18	13	0	0
76	Atwood	18	13	0	0
77	Manhattan	23	12	0	54,763
78	Hutchinson	22	12	0	39,712
79	Emporia	24	12	0	24,009
80	Mcpherson	21	12	0	13,944
81	Ottawa	26	12	0	12,604
82	Parsons	25	12	0	9,479
83	Saint George	18	12	0	7,535
84	Goodland	18	12	0	4,450
85	Lyons	18	12	0	3,556
86	Rantoul	21	12	0	2,960
87	South Hutchinson	17	12	0	2,498
88	Anthony	16	12	0	2,043
89	Ellis	20	12	0	2,001
90	Larned	23	12	0	1,900
91	Plainville	18	12	0	1,762
92	Medicine Lodge	19	12	0	1,723
93	Oswego	21	12	0	1,680
94	Douglass	20	12	0	1,551
95	Arma	20	12	0	1,406
96	Osborne	19	12	0	1,324
97	Inman	17	12	0	1,316
98	Susank	19	12	0	1,300
99	Gridley	24	12	0	1,254
100	Farmington Hills	24	12	0	1,200
101	Lincoln	19	12	0	1,181
102	Victoria	16	12	0	1,149
103	Oxford	16	12	0	1,048
104	Erie	21	12	0	1,037
105	Solomon	19	12	0	993
106	Neosho Rapids	24	12	0	980
107	Little River	18	12	0	900
108	Vassar	22	12	0	900
109	Galva	18	12	0	870
110	Wakefield	19	12	0	846
111	Coldwater	19	12	0	672
112	Bennington	18	12	0	635
113	Nortonville	18	12	0	599
114	Olpe	24	12	0	513
115	Kensington	19	12	0	401
116	Dearing	24	12	0	376
117	Hartford	24	12	0	356
118	Hope	21	12	1	312
119	Natoma	20	12	0	300
120	Courtland	17	12	0	264
121	Princeton	26	12	0	252
122	Lane	21	12	0	244
123	Geneseo	18	12	0	231
124	Corning	14	12	0	213
125	Paxico	16	12	0	212
126	Walnut	20	12	0	189
127	Robinson	17	12	0	181
128	Hardtner	16	12	0	164
129	Bern	16	12	0	163
130	Woodbine	20	12	1	160
131	Fort Dodge	16	12	0	130
132	Albert	18	12	0	128
133	Havensville	19	12	0	125
134	Damar	18	12	0	115
135	Haddam	18	12	0	109
136	Munden	17	12	1	99
137	Formoso	17	12	0	92
138	Hazelton	15	12	0	84
139	Cullison	17	12	0	83
140	Narka	16	12	1	80
141	Esbon	18	12	0	68
142	Powhattan	17	12	0	68
143	Isabel	17	12	0	66
144	Oketo	18	12	0	65
145	Agenda	16	12	1	44
146	Belleville	16	12	1	0
147	Mount Hope	17	12	0	0
148	Dighton	17	12	0	0
149	Kinsley	15	12	0	0
150	Ness City	19	12	0	0
151	Gove	19	12	1	0
152	Fowler	17	12	0	0
153	Deerfield	18	12	0	0
154	Meade	19	12	0	0
155	Elwood	21	12	0	0
156	Highland	18	12	1	0
157	Pittsburg	21	11	0	20,738
158	Winfield	25	11	0	11,726
159	Augusta	19	11	0	9,267
160	Park City	17	11	1	8,503
161	Independence	19	11	0	8,464
162	Abilene	18	11	0	6,468
163	Goddard	20	11	0	5,372
164	Scott City	17	11	0	3,748
165	Marysville	14	11	0	3,417
166	Hoisington	20	11	0	2,657
167	Meriden	18	11	0	2,303
168	Phillipsburg	17	11	0	2,254
169	Neodesha	20	11	0	2,246
170	Fredonia	20	11	0	2,111
171	Minneapolis	14	11	0	1,948
172	Caney	18	11	1	1,756
173	Smith Center	18	11	0	1,572
174	Horton	17	11	0	1,514
175	Whitewater	23	11	0	1,455
176	Stockton	18	11	0	1,380
177	Silver Lake	16	11	0	1,337
178	Riverton	13	11	0	1,235
179	Stark	19	11	0	1,210
180	Oskaloosa	15	11	0	1,086
181	Nickerson	18	11	0	1,050
182	Caldwell	17	11	0	1,019
183	Longford	15	11	0	950
184	Chetopa	18	11	0	921
185	Talmage	16	11	0	879
186	Glen Elder	19	11	0	873
187	Kiowa	14	11	0	869
188	Perry	18	11	0	858
189	Mclouth	17	11	0	858
190	Mankato	15	11	0	848
191	Downs	17	11	0	804
192	Sycamore	19	11	0	745
193	Frankfort	21	11	0	723
194	Clyde	15	11	0	687
195	Leon	18	11	0	667
196	Udall	16	11	0	658
197	Scranton	18	11	0	651
198	Maple Hill	15	11	0	646
199	Chanute	20	11	0	625
200	Olsburg	16	11	0	625
201	Lecompton	20	11	0	592
202	Cherokee	20	11	0	591
203	Waverly	20	11	0	574
204	Weir	19	11	0	566
205	Burden	25	11	0	514
206	La Harpe	19	11	0	484
207	Moran	19	11	0	467
208	Glasco	18	11	0	441
209	Potwin	23	11	0	424
210	Axtell	14	11	0	398
211	Mayetta	19	11	0	356
212	Altoona	20	11	0	349
213	Lucas	17	11	0	337
214	Scandia	15	11	0	337
215	Mcfarland	16	11	0	281
216	Bazine	16	11	0	279
217	Healy	16	11	0	256
218	Grantville	18	11	1	228
219	Dexter	20	11	0	226
220	Buffalo	20	11	0	218
221	Palco	16	11	1	210
222	Beattie	16	11	0	199
223	Tipton	19	11	0	188
224	Morganville	15	11	0	183
225	Lebanon	15	11	0	182
226	Bison	15	11	0	178
227	Barnes	15	11	0	161
228	Sharon	16	11	0	147
229	Denison	19	11	0	145
230	Netawaka	19	11	0	141
231	Preston	16	11	0	120
232	Culver	14	11	0	115
233	Goff	15	11	0	105
234	Green	15	11	0	97
235	Portis	17	11	0	86
236	Republic	15	11	0	83
237	Simpson	16	11	0	81
238	Falun	18	11	0	80
239	Bluff City	17	11	0	59
240	Matfield Green	17	11	0	52
241	Hunter	19	11	0	51
242	Manchester	16	11	0	49
243	Rosalia	23	11	0	1
244	Florence	18	11	0	0
245	Maize	16	11	0	0
246	Lake City	13	11	0	0
247	Elmdale	17	11	0	0
248	Freeport	13	11	0	0
249	Collyer	17	11	0	0
250	Arlington	17	11	0	0
251	Jennings	15	11	0	0
252	Bucklin	18	11	0	0
253	Leonardville	15	11	0	0
254	Colby	18	11	0	0
255	Gardner	23	10	0	23,942
256	Fort Leavenworth	16	10	0	12,934
257	Eudora	14	10	0	6,449
258	Concordia	18	10	0	5,032
259	Berryton	19	10	0	4,663
260	Holton	20	10	0	4,376
261	Osawatomie	20	10	0	4,280
262	Clay Center	13	10	0	4,138
263	Hiawatha	14	10	0	3,246
264	Overbrook	18	10	0	3,186
265	Walton	15	10	0	3,000
266	Burlington	18	10	0	2,641
267	Clearwater	15	10	0	2,626
268	Holcomb	15	10	0	2,228
269	Oakley	14	10	0	2,026
270	Mound City	17	10	0	1,960
271	Moundridge	15	10	0	1,958
272	Marion	19	10	0	1,902
273	Sedgwick	11	10	0	1,598
274	Belle Plaine	16	10	1	1,468
275	Buhler	16	10	0	1,315
276	Harper	14	10	0	1,273
277	La Cygne	17	10	0	1,200
278	St John	14	10	0	1,176
279	Haven	14	10	0	1,149
280	Lyndon	18	10	0	1,049
281	Garden Plain	14	10	0	941
282	Pomona	18	10	0	890
283	Lebo	18	10	0	883
284	Westmoreland	15	10	0	850
285	Mccune	17	10	0	823
286	Durham	14	10	0	780
287	Enterprise	16	10	0	714
288	Fairview	15	10	0	709
289	Canton	15	10	0	699
290	Onaga	15	10	0	671
291	Ozawkie	15	10	0	636
292	St Paul	18	10	0	597
293	Linwood	16	10	0	499
294	Leroy	18	10	0	447
295	Denton	17	10	0	437
296	Thayer	20	10	0	433
297	New Strawn	18	10	0	412
298	Scammon	15	10	0	370
299	Jewell	12	10	1	365
300	Melvern	18	10	0	351
301	Delphos	13	10	0	306
302	Elk City	18	10	0	292
303	Quenemo	18	10	0	287
304	Sylvan Grove	14	10	0	285
305	Ransom	15	10	0	253
306	Parker	17	10	0	236
307	Elbing	15	10	0	225
308	Blue Mound	17	10	0	223
309	Easton	12	10	0	211
310	Bushton	17	10	0	199
311	Belvue	14	10	0	190
312	Schoenchen	15	10	0	173
313	Iuka	14	10	1	155
314	Geuda Springs	15	10	0	151
315	Bogue	17	10	0	151
316	West Mineral	17	10	0	150
317	Delia	13	10	0	149
318	Cuba	15	10	0	139
319	Wilsey	13	10	0	139
320	Viola	12	10	0	115
321	Soldier	19	10	0	102
322	Utica	15	10	0	101
323	Raymond	15	10	0	85
324	Randall	12	10	1	80
325	Barnard	12	10	1	57
326	Alexander	16	10	0	49
327	Cedar Point	15	10	0	0
328	Burrton	15	10	0	0
329	North Newton	15	10	0	0
330	Murdock	14	10	0	0
331	Ashland	17	10	0	0
332	Grainfield	17	10	0	0
333	Oberlin	16	10	0	0
334	Leoti	16	10	0	0
335	Minneola	16	10	0	0
336	Rolla	17	10	0	0
337	Elkhart	15	10	0	0
338	Lawrence	23	9	0	95,256
339	Bel Aire	12	9	0	8,448
340	Louisburg	13	9	0	4,994
341	Hesston	16	9	0	3,495
342	Hillsboro	16	9	0	2,740
343	Sabetha	17	9	0	2,519
344	Hoyt	11	9	0	2,500
345	Council Grove	16	9	0	2,111
346	Galesburg	11	9	0	2,095
347	Colony	11	9	0	2,093
348	Wellsville	12	9	0	1,933
349	Wakeeney	16	9	0	1,790
350	Piqua	11	9	0	1,773
351	Edgerton	11	9	0	1,741
352	Hill City	16	9	0	1,410
353	Carbondale	18	9	0	1,344
354	Yates Center	15	9	0	1,335
355	Pleasanton	15	9	0	1,238
356	La Crosse	19	9	0	1,232
357	Washington	13	9	0	1,065
358	Linn Valley	15	9	0	1,008
359	Peabody	16	9	0	932
360	Spearville	16	9	0	796
361	Madison	17	9	0	682
362	Pretty Prairie	11	9	0	655
363	Goessel	16	9	0	558
364	Gypsum	14	9	0	465
365	Milford	12	9	0	450
366	Richmond	16	9	0	442
367	Mulberry	17	9	0	411
368	Chase	15	9	0	390
369	Wetmore	14	9	0	348
370	Greenleaf	14	9	0	347
371	Bronson	19	9	0	305
372	Tescott	13	9	0	271
373	Everest	11	9	0	259
374	Lancaster	11	9	0	248
375	Burns	14	9	0	232
376	Morrill	17	9	0	217
377	Toronto	15	9	0	203
378	Severy	16	9	0	200
379	Winona	13	9	0	184
380	Hamilton	17	9	0	180
381	Randolph	10	9	0	167
382	Circleville	19	9	0	155
383	Lorraine	14	9	0	140
384	Beverly	12	9	0	135
385	Kirwin	16	9	0	132
386	Cassoday	11	9	0	111
387	Kincaid	11	9	0	106
388	Tribune	16	9	1	102
389	Vermillion	11	9	0	78
390	Spivey	10	9	0	59
391	Brownell	15	9	0	26
392	Havana	11	9	0	0
393	Halstead	10	9	0	0
394	Manter	13	9	0	0
395	Ensign	16	9	0	0
396	Quinter	15	9	0	0
397	Almena	14	9	0	0
398	Wallace	13	9	0	0
399	Hugoton	16	9	0	0
400	St Francis	13	9	0	0
401	Kansas City	21	8	0	480,000
402	Paola	22	8	0	10,311
403	Fort Scott	16	8	0	7,513
404	Tecumseh	11	8	0	6,073
405	Spring Hill	22	8	0	5,694
406	Basehor	10	8	0	3,200
407	Kingman	13	8	0	3,062
408	Columbus	11	8	0	2,882
409	Osage City	16	8	0	2,809
410	Eureka	13	8	0	2,289
411	Lakin	10	8	0	2,166
412	Cherryvale	17	8	0	2,138
413	Seneca	13	8	0	2,130
414	Troy	11	8	0	1,457
415	Conway Springs	12	8	0	1,429
416	Altamont	11	8	0	1,425
417	Wathena	12	8	0	1,242
418	Sedan	15	8	0	1,005
419	Riley	16	8	0	977
420	Burlingame	17	8	0	966
421	Andale	15	8	0	938
422	Stafford	13	8	0	936
423	Blue Rapids	13	8	0	921
424	Drexel	22	8	0	875
425	Cottonwood Falls	12	8	0	821
426	Howard	19	8	0	583
427	White City	14	8	0	581
428	Palmer	13	8	0	567
429	Moline	15	8	0	494
430	Cedar Vale	15	8	0	475
431	Macksville	14	8	0	471
432	Clifton	11	8	0	455
433	Strong City	12	8	0	455
434	Kanopolis	13	8	0	453
435	Logan	13	8	0	440
436	Mound Valley	17	8	0	420
437	Edna	17	8	0	383
438	Turon	14	8	0	304
439	Otis	13	8	0	297
440	Uniontown	11	8	0	296
441	Longton	10	8	0	277
442	Greeley	10	8	0	271
443	Fontana	22	8	0	216
444	Sylvia	14	8	1	210
445	Prescott	10	8	0	207
446	Reading	11	8	0	182
447	Harveyville	11	8	0	181
448	Atlanta	15	8	0	169
449	Fulton	10	8	0	165
450	Allen	11	8	0	159
451	Lehigh	13	8	0	159
452	Muscotah	14	8	0	158
453	Mccracken	13	8	0	154
454	Admire	11	8	0	130
455	Fall River	11	8	0	129
456	Peru	15	8	0	105
457	Latham	11	8	0	101
458	Cambridge	14	8	0	92
459	Bartlett	17	8	0	68
460	Virgil	12	8	0	48
461	Clayton	13	8	1	46
462	Greensburg	15	8	0	0
463	Mullinville	14	8	0	0
464	Hanston	13	8	0	0
465	Chautauqua	15	8	0	0
466	Copeland	17	8	1	0
467	Johnson City	18	8	0	0
468	Herndon	15	8	0	0
469	Ulysses	15	8	0	0
470	Arnold	14	8	0	0
471	Plains	15	8	0	0
472	Cimarron	14	8	0	0
473	Ford	12	8	1	0
474	Satanta	13	8	0	0
475	White Cloud	11	8	0	0
476	Lansing	11	8	0	0
477	Topeka	17	7	0	165,000
478	Olathe	19	7	0	143,014
479	Lindsborg	11	7	0	3,496
480	Garnett	12	7	0	3,192
481	Cheney	10	7	0	2,170
482	Towanda	7	7	0	1,565
483	Colwich	11	7	0	1,463
484	St George	14	7	0	998
485	Wilson	11	7	0	836
486	Alma	15	7	0	799
487	Argonia	9	7	0	455
488	Eskridge	13	7	0	413
489	Rexford	12	7	0	198
490	Emmett	12	7	0	170
491	Grenola	14	7	0	148
492	Summerfield	11	7	0	126
493	Woodston	11	7	0	95
494	Olmitz	11	7	0	91
495	Zenda	9	7	0	69
496	Selden	12	7	0	0
497	Moscow	12	7	0	0
498	Norcatur	11	7	0	0
499	Park	10	7	0	0
500	Sharon Springs	14	7	0	0
501	Marquette	10	6	0	596
502	Effingham	11	6	0	500
503	Norwich	12	6	0	433
504	Lewis	11	6	0	390
505	Linn	9	6	0	382
506	South Haven	11	6	0	325
507	Sawyer	12	6	0	91
508	Cunningham	9	6	0	0
509	Crestline	10	6	0	0
510	Ingalls	10	6	0	0
511	Burdett	10	6	0	0
512	Syracuse	11	6	0	0
513	Grinnell	12	6	0	0
514	Sublette	11	6	0	0
515	Weskan	12	6	0	0
516	Jetmore	9	6	0	0
517	El Dorado	15	5	0	12,810
518	Beloit	11	5	0	3,407
519	Herington	12	5	1	2,332
520	Ellinwood	8	5	0	220
521	Whiting	8	5	0	196
522	Long Island	8	5	0	135
523	Aurora	8	5	0	53
524	Mahaska	12	5	0	44
525	Brewster	10	5	0	0
526	Lenora	9	5	0	0
527	Liebenthal	10	5	0	0
528	Bird City	9	5	0	0
529	Claflin	10	4	0	553
530	Frontenac	7	4	0	430
531	Holyrood	9	4	0	409
532	Kanorado	8	4	0	155
533	Prairie View	7	4	0	102
534	Oneida	6	4	0	58
535	Haviland	6	4	0	0
536	Morland	11	4	0	0
537	Kismet	9	4	0	0
538	Coolidge	7	4	0	0
539	Protection	8	3	0	503
540	Mcdonald	7	3	0	116
541	Bunker Hill	6	3	0	106
542	Belpre	6	3	0	0
543	Pawnee Rock	7	3	0	0
544	Lapeer	5	2	0	256
545	Offerle	6	2	0	172
546	Chapman	5	2	0	80
547	Coats	6	2	0	68
548	Montezuma	8	2	0	0
549	Valley Falls	5	1	0	2,435
550	Abbyville	5	1	0	0
551	Kendall	5	1	0	0

Recommended Filtration for Kansas

Based on the most common contaminants found across Kansas (Dibromochloromethane, Total trihalomethanes (TTHMs), Dibromoacetic acid), we recommend a reverse osmosis system or high-quality carbon block filter to remove disinfection byproducts and their precursors.

Echo RO System

Removes up to 99.9% of contaminants. The gold standard for drinking water in Kansas homes.

View RO Systems

Echo Whole-Home Filter

Protect every tap in your home from chlorine, VOCs, and disinfection byproducts.

View Whole-Home Filters

Echo Hydrogen Water Flask

Once your water is clean, supercharge it with molecular hydrogen for antioxidant and anti-inflammatory benefits.

Shop Hydrogen Flask

Frequently Asked Questions

Is Kansas tap water safe to drink?

Water quality varies significantly across Kansas. Of the 551 cities analyzed, the average city has 10.0 contaminants above EWG health guidelines. The best water quality was found in Valley Falls. We recommend checking your specific city's report for detailed information.

What city has the best water in Kansas?

Based on our analysis, Valley Falls has the fewest contaminants above EWG health guidelines in Kansas, with 1 above guideline levels.

What city has the worst water in Kansas?

Based on our analysis, Great Bend has the most contaminants above EWG health guidelines in Kansas, with 20 above guideline levels.

What's the best water filter for Kansas residents?

For most Kansas households, we recommend a reverse osmosis (RO) system for drinking water and a whole-home filter for showers and baths. The specific recommendation depends on your city's contaminant profile — check your city's report for personalized guidance.

National Water Quality Reports

Data sources: Environmental Working Group (EWG) Tap Water Database, U.S. EPA Safe Drinking Water Information System (SDWIS)

Last updated: March 2026

Methodology: Contaminant levels are compared against both EPA legal limits (Maximum Contaminant Levels) and EWG health guidelines, which are often stricter and based on the latest scientific research.

Kansas Water Quality Report (2026)