Kansas Water Systems

Compiled by PlainEnviro · August 25, 2026

855 community water systems in Kansas, ranked by violation count. Data from EPA Safe Drinking Water Information System (SDWIS).

Water Systems

855

Health-Based Violation Records

3,819

Health Violations

370 systems

Population Served

2,869,020

Kansas community water systems are regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act; each utility files compliance results with the state's primacy agency and, for federally listed contaminants, with the U.S. Environmental Protection Agency directly. PlainEnviro's health-based SDWIS extract above counts health-based exceedances only -- monitoring and reporting violations are not present in these figures.

Violation counts reflect both infrastructure realities and reporting diligence, a state with more small rural systems will accumulate more monitoring-type violations without necessarily delivering worse water. Health-based violations are the stronger safety signal. A past violation does not itself indicate current unsafe water; utilities must notify customers, remediate, and publish an annual Consumer Confidence Report. All numbers below draw directly from the federal SDWIS record.

Which water systems have violations? (205)

#	System Name	City	Source	Violations	Pop. Served	Health
1	KICKAPOO TRIBAL WATERWORKS Horton	Horton	Surface Water	199	520	Yes
2	TOWNS RIVERVIEW SUBDIVISION Garden City	Garden City	Groundwater	84	950	Yes
3	ARGONIA, CITY OF Argonia	Argonia	Groundwater	66	455	Yes
4	BELOIT, CITY OF Beloit	Beloit	Surface Water	57	3,407	Yes
5	MITCHELL CO RWD 3 Beloit	Beloit	Surface Water	57	2,048	Yes
6	MITCHELL CO RWD 2 Glen Elder	Glen Elder	Surface Water	54	873	Yes
7	PRETTY PRAIRIE, CITY OF Pretty Prairie	Pretty Prairie	Groundwater	54	655	Yes
8	NORWICH, CITY OF Norwich	Norwich	Groundwater	50	433	Yes
9	YATES CENTER, CITY OF Yates Center	Yates Center	Surface Water	45	1,335	Yes
10	JEWELL, CITY OF Jewell	Jewell	Surface Water	43	365	Yes
11	BELLE PLAINE, CITY OF Belle Plaine	Belle Plaine	Groundwater	38	1,468	Yes
12	SHAWNEE CO RWD 3C Topeka	Topeka	Surface Water	36	2,675	Yes
13	HAVILAND, CITY OF Haviland	Haviland	Groundwater	36	651	Yes
14	OSAWATOMIE, CITY OF Osawatomie	Osawatomie	Surface Water	34	4,280	Yes
15	ROOKS CO RWD 3 Plainville	Plainville	Groundwater	34	380	Yes
16	METRO TOPEKA AIRPORT AUTHORITY Topeka	Topeka	Surface Water	32	500	Yes
17	REPUBLIC CO RWD 2 Belleville	Belleville	Groundwater	31	1,293	Yes
18	CANEY, CITY OF Caney	Caney	Surface Water	29	1,756	Yes
19	HIGHLAND, CITY OF Highland	Highland	Groundwater	28	917	Yes
20	OAKLEY, CITY OF Oakley	Oakley	Groundwater	26	2,026	Yes
21	SHAWNEE CO RWD 1C Auburn	Auburn	Surface Water	23	4,160	Yes
22	CONWAY SPRINGS, CITY OF Conway Springs	Conway Springs	Groundwater	23	1,106	Yes
23	BELLEVILLE, CITY OF Belleville	Belleville	Groundwater	22	2,021	Yes
24	PARSONS, CITY OF Parsons	Parsons	Surface Water	21	9,479	Yes
25	HERINGTON, CITY OF Herington	Herington	Surface Water	21	2,332	Yes
26	BAXTER SPRINGS, CITY OF Baxter Springs	Baxter Springs	Surface Water	20	3,852	Yes
27	WILSON CO RWD 9 Yates Center	Yates Center	Surface Water	20	447	Yes
28	FLORENCE, CITY OF Florence	Florence	Surface Water	19	387	Yes
29	ELLSWORTH CO RWD 1 Ellsworth	Ellsworth	Surface Water	17	3,128	Yes
30	NORTON, CITY OF Norton	Norton	Surface Water	16	2,758	Yes
31	MIAMI CO RWD 3 Osawatomie	Osawatomie	Surface Water	16	2,435	Yes
32	PLAINVILLE, CITY OF Plainville	Plainville	Groundwater	16	1,762	Yes
33	ST GEORGE, CITY OF St George	St George	Groundwater	16	998	Yes
34	BUTLER CO RWD 7 Whitewater	Whitewater	Surface Water	15	1,455	Yes
35	SATANTA, CITY OF Satanta	Satanta	Groundwater	15	1,045	Yes
36	JUNCTION CITY, CITY OF Junction City	Junction City	Groundwater	14	19,167	Yes
37	FRONTENAC, CITY OF Frontenac	Frontenac	Groundwater	14	3,395	Yes
38	PLEASANTON, CITY OF Pleasanton	Pleasanton	Surface Water	14	1,238	Yes
39	BOURBON CO RWD 4 Bronson	Bronson	Surface Water	14	1,161	Yes
40	WILSON CO RWD 7 Fredonia	Fredonia	Surface Water	14	585	Yes
41	CARBONDALE, CITY OF Carbondale	Carbondale	Surface Water	13	1,344	Yes
42	MILFORD, CITY OF Milford	Milford	Groundwater	13	400	Yes
43	BARTON CO RWD 2 Great Bend	Great Bend	Groundwater	13	368	Yes
44	HIAWATHA, CITY OF Hiawatha	Hiawatha	Groundwater	12	3,246	Yes
45	PEABODY, CITY OF Peabody	Peabody	Surface Water	12	932	Yes
46	CHETOPA, CITY OF Chetopa	Chetopa	Surface Water	12	921	Yes
47	ELK CO RWD 2 Howard	Howard	Surface Water	12	520	Yes
48	RUSSELL, CITY OF Russell	Russell	Surface Water	11	4,388	Yes
49	HILLSBORO, CITY OF Hillsboro	Hillsboro	Surface Water	11	2,740	Yes
50	NEOSHO CO RWD 2 Stark	Stark	Surface Water	11	1,210	Yes
51	CEDAR VALE, CITY OF Cedar Vale	Cedar Vale	Surface Water	11	475	Yes
52	EMPORIA, CITY OF Emporia	Emporia	Surface Water	10	24,009	Yes
53	OSAGE CO RWD 5 Overbrook	Overbrook	Surface Water	10	3,875	Yes
54	LABETTE CO RWD 6 Edna	Edna	Surface Water	10	1,550	Yes
55	WILSON CO RWD 11 Fredonia	Fredonia	Surface Water	10	836	Yes
56	CANTON, CITY OF Canton	Canton	Groundwater	10	699	Yes
57	DEERFIELD, CITY OF Deerfield	Deerfield	Groundwater	10	692	Yes
58	OSAGE CO RWD 2 Overbrook	Overbrook	Groundwater	10	440	Yes
59	ANDERSON CO RWD 1C Garnett	Garnett	Surface Water	9	2,112	Yes
60	LACYGNE, CITY OF La Cygne	La Cygne	Surface Water	9	1,119	Yes
61	GREENWOOD CO RWD 3 Emporia	Emporia	Surface Water	9	400	Yes
62	GLEN ELDER, CITY OF Glen Elder	Glen Elder	Groundwater	9	359	Yes
63	PRATT, CITY OF Pratt	Pratt	Groundwater	8	6,573	Yes
64	SCOTT CITY, CITY OF Scott City	Scott City	Groundwater	8	3,748	Yes
65	ELLIS, CITY OF Ellis	Ellis	Groundwater	8	2,001	Yes
66	LINN VALLEY, CITY OF Linn Valley	Linn Valley	Surface Water	8	1,008	Yes
67	SHAWNEE CO RWD 2C Topeka	Topeka	Surface Water	8	700	Yes
68	MADISON, CITY OF Madison	Madison	Surface Water	8	682	Yes
69	NEOSHO CO RWD 1C Erie	Erie	Surface Water	8	670	Yes
70	ELK CO RWD 1 Moline	Moline	Surface Water	7	494	Yes
71	ARLINGTON, CITY OF Arlington	Arlington	Groundwater	7	431	Yes
72	POTWIN, CITY OF Potwin	Potwin	Surface Water	7	424	Yes
73	LINWOOD, CITY OF Linwood	Linwood	Surface Water	7	419	Yes
74	LEWIS, CITY OF Lewis	Lewis	Groundwater	7	390	Yes
75	COUNCIL GROVE, CITY OF Council Grove	Council Grove	Surface Water	6	2,111	Yes
76	WOODSON CO RWD 1 Piqua	Piqua	Surface Water	6	1,773	Yes
77	GRANDVIEW PLAZA, CITY OF Junction City	Junction City	Groundwater	6	1,663	Yes
78	BUTLER CO RWD 2 El Dorado	El Dorado	Surface Water	6	1,534	Yes
79	ALMA, CITY OF Alma	Alma	Surface Water	6	799	Yes
80	WATERVILLE, CITY OF Waterville	Waterville	Groundwater	6	656	Yes
81	JEFFERSON CO RWD 15 Grantville	Grantville	Groundwater	6	563	Yes
82	MULBERRY, CITY OF Mulberry	Mulberry	Surface Water	6	411	Yes
83	OTTAWA, CITY OF Ottawa	Ottawa	Surface Water	5	12,604	Yes
84	ATCHISON, CITY OF Atchison	Atchison	Surface Water	5	10,694	Yes
85	MIAMI CO RWD 2 Paola	Paola	Surface Water	5	10,311	Yes
86	GALVA, CITY OF Galva	Galva	Groundwater	5	870	Yes
87	BUCKLIN, CITY OF Bucklin	Bucklin	Groundwater	5	719	Yes
88	FRANKLIN CO RWD 1 Ottawa	Ottawa	Surface Water	5	665	Yes
89	CHAUTAUQUA CO RWD 4	-	Surface Water	5	475	Yes
90	MORAN, CITY OF Moran	Moran	Surface Water	5	467	Yes
91	EL DORADO, CITY OF El Dorado	El Dorado	Surface Water	4	12,810	Yes
92	COFFEYVILLE, CITY OF Coffeyville	Coffeyville	Surface Water	4	8,847	Yes
93	DESOTO, CITY OF	-	Groundwater	4	4,645	Yes
94	JEFFERSON CO RWD 3 Valley Falls	Valley Falls	Groundwater	4	2,435	Yes
95	KINSLEY, CITY OF Kinsley	Kinsley	Groundwater	4	1,417	Yes
96	LEBO, CITY OF Lebo	Lebo	Surface Water	4	883	Yes
97	WHITEWATER, CITY OF Whitewater	Whitewater	Surface Water	4	666	Yes
98	MAPLE HILL, CITY OF Maple Hill	Maple Hill	Groundwater	4	646	Yes
99	JEFFERSON CO RWD 2 Perry	Perry	Groundwater	4	642	Yes
100	SALINE CO RWD 2 Abilene	Abilene	Groundwater	4	465	Yes
101	KANOPOLIS, CITY OF Kanopolis	Kanopolis	Groundwater	4	453	Yes
102	LEROY, CITY OF Leroy	Leroy	Surface Water	4	447	Yes
103	RICHMOND, CITY OF Richmond	Richmond	Surface Water	4	442	Yes
104	HOLYROOD, CITY OF Holyrood	Holyrood	Groundwater	4	409	Yes
105	COLONY, CITY OF Colony	Colony	Surface Water	4	377	Yes
106	HUTCHINSON, CITY OF Hutchinson	Hutchinson	Groundwater	3	39,712	Yes
107	FRUSI WATER TREATMENT PLANT Fort Riley	Fort Riley	Groundwater	3	35,784	Yes
108	DODGE CITY, CITY OF Dodge City	Dodge City	Groundwater	3	27,104	Yes
109	SHAWNEE CO RWD 8 Tecumseh	Tecumseh	Surface Water	3	6,073	Yes
110	TONGANOXIE, CITY OF Tonganoxie	Tonganoxie	Surface Water	3	5,702	Yes
111	LYONS, CITY OF Lyons	Lyons	Groundwater	3	3,556	Yes
112	HOLTON, CITY OF Holton	Holton	Surface Water	3	3,329	Yes
113	FRANKLIN CO RWD 4 Williamsburg	Williamsburg	Surface Water	3	2,281	Yes
114	CRAWFORD CO RWD 1C Girard	Girard	Surface Water	3	1,915	Yes
115	OSWEGO, CITY OF Oswego	Oswego	Surface Water	3	1,680	Yes
116	COFFEY CO RWD 2 Gridley	Gridley	Surface Water	3	1,146	Yes
117	VALLEY FALLS, CITY OF Valley Falls	Valley Falls	Surface Water	3	1,086	Yes
118	SEDAN, CITY OF Sedan	Sedan	Surface Water	3	1,005	Yes
119	TROY, CITY OF Troy	Troy	Groundwater	3	954	Yes
120	STAFFORD, CITY OF Stafford	Stafford	Groundwater	3	936	Yes
121	ALLEN CO RWD 8 Iola	Iola	Surface Water	3	736	Yes
122	ST PAUL, CITY OF St Paul	St Paul	Surface Water	3	597	Yes
123	PROTECTION, CITY OF Protection	Protection	Groundwater	3	503	Yes
124	CLIFTON, CITY OF Clifton	Clifton	Groundwater	3	455	Yes
125	RENO CO RWD 3 Hutchinson	Hutchinson	Groundwater	3	450	Yes
126	NEWTON, CITY OF Newton	Newton	Groundwater	2	18,433	Yes
127	GARNETT, CITY OF Garnett	Garnett	Surface Water	2	3,192	Yes
128	LEAVENWORTH CO RWD 7 Bonner Springs	Bonner Springs	Groundwater	2	3,000	Yes
129	FRANKLIN CO RWD 6 Rantoul	Rantoul	Surface Water	2	2,960	Yes
130	SABETHA, CITY OF Sabetha	Sabetha	Surface Water	2	2,519	Yes
131	SENECA, CITY OF Seneca	Seneca	Surface Water	2	2,130	Yes
132	WELLSVILLE, CITY OF Wellsville	Wellsville	Surface Water	2	1,933	Yes
133	TOWANDA, CITY OF Towanda	Towanda	Surface Water	2	1,445	Yes
134	WABAUNSEE CO RWD 2 Wamego	Wamego	Groundwater	2	1,400	Yes
135	LINCOLN, CITY OF Lincoln	Lincoln	Groundwater	2	1,181	Yes
136	ERIE, CITY OF Erie	Erie	Surface Water	2	1,037	Yes
137	CLAY CO RWD 2 Longford	Longford	Groundwater	2	950	Yes
138	POMONA, CITY OF Pomona	Pomona	Surface Water	2	890	Yes
139	KIOWA, CITY OF Kiowa	Kiowa	Groundwater	2	869	Yes
140	POTTAWATOMIE CO RWD 2 Olsburg	Olsburg	Groundwater	2	865	Yes
141	MCLOUTH, CITY OF Mclouth	Mclouth	Groundwater	2	858	Yes
142	BURRTON, CITY OF Burrton	Burrton	Groundwater	2	854	Yes
143	TIMBER CREEK EAST WATER DISTRICT Westmoreland	Westmoreland	Groundwater	2	850	Yes
144	WASHINGTON CO RWD 2 Palmer	Palmer	Groundwater	2	673	Yes
145	SCRANTON, CITY OF Scranton	Scranton	Surface Water	2	651	Yes
146	BURDEN, CITY OF Burden	Burden	Surface Water	2	514	Yes
147	LYON CO RWD 3 Emporia	Emporia	Surface Water	2	479	Yes
148	DONIPHAN CO RWD 3 Denton	Denton	Surface Water	2	437	Yes
149	THAYER, CITY OF Thayer	Thayer	Surface Water	2	433	Yes
150	SALINE CO RWD 7 Falun	Falun	Surface Water	2	418	Yes
151	KENSINGTON, CITY OF Kensington	Kensington	Groundwater	2	401	Yes
152	FRANKLIN CO RWD 2 Ottawa	Ottawa	Surface Water	2	400	Yes
153	ELLIS CO RWD 6 Hays	Hays	Groundwater	2	383	Yes
154	MAYETTA, CITY OF Mayetta	Mayetta	Surface Water	2	356	Yes
155	TOPEKA, CITY OF Topeka	Topeka	Surface Water	1	125,963	Yes
156	ARKANSAS CITY, CITY OF Arkansas City	Arkansas City	Groundwater	1	11,929	Yes
157	HAYSVILLE, CITY OF Haysville	Haysville	Groundwater	1	11,315	Yes
158	WELLINGTON, CITY OF Wellington	Wellington	Surface Water	1	7,664	Yes
159	DOUGLAS CO RWD 3 Berryton	Berryton	Surface Water	1	4,663	Yes
160	CLAY CENTER, CITY OF Clay Center	Clay Center	Groundwater	1	4,138	Yes
161	HESSTON, CITY OF Hesston	Hesston	Groundwater	1	3,495	Yes
162	ELLSWORTH, CITY OF Ellsworth	Ellsworth	Surface Water	1	2,992	Yes
163	BURLINGTON, CITY OF Burlington	Burlington	Surface Water	1	2,641	Yes
164	CLEARWATER, CITY OF Clearwater	Clearwater	Groundwater	1	2,626	Yes
165	MONTGOMERY CO RWD 1C Havana	Havana	Surface Water	1	2,450	Yes
166	JEFFERSON CO RWD 1 Meriden	Meriden	Groundwater	1	2,343	Yes
167	HOLCOMB, CITY OF Holcomb	Holcomb	Groundwater	1	2,228	Yes
168	CHENEY, CITY OF Cheney	Cheney	Groundwater	1	2,170	Yes
169	FREDONIA, CITY OF Fredonia	Fredonia	Surface Water	1	2,111	Yes
170	COFFEY CO RWD 3 New Strawn	New Strawn	Surface Water	1	1,903	Yes
171	DICKINSON CO RWD 2 Abilene	Abilene	Surface Water	1	1,703	Yes
172	DOUGLASS, CITY OF Douglass	Douglass	Surface Water	1	1,551	Yes
173	MARION CO RWD 4 Hillsboro	Hillsboro	Groundwater	1	1,398	Yes
174	STOCKTON, CITY OF Stockton	Stockton	Groundwater	1	1,380	Yes
175	NESS CITY, CITY OF Ness City	Ness City	Groundwater	1	1,303	Yes
176	ST FRANCIS, CITY OF St Francis	St Francis	Groundwater	1	1,292	Yes
177	ATWOOD, CITY OF Atwood	Atwood	Groundwater	1	1,282	Yes
178	HARPER, CITY OF Harper	Harper	Groundwater	1	1,273	Yes
179	HOXIE, CITY OF Hoxie	Hoxie	Groundwater	1	1,218	Yes
180	ANDERSON CO RWD 4 Garnett	Garnett	Surface Water	1	1,200	Yes
181	JEFFERSON CO RWD 7 Oskaloosa	Oskaloosa	Groundwater	1	1,180	Yes
182	ST JOHN, CITY OF St John	St John	Groundwater	1	1,176	Yes
183	VICTORIA, CITY OF Victoria	Victoria	Groundwater	1	1,149	Yes
184	POTTAWATOMIE CO RWD 4 Belvue	Belvue	Groundwater	1	1,125	Yes
185	MONTGOMERY CO RWD 6 Mound Valley	Mound Valley	Surface Water	1	1,092	Yes
186	OSKALOOSA, CITY OF Oskaloosa	Oskaloosa	Groundwater	1	1,086	Yes
187	WASHINGTON, CITY OF Washington	Washington	Groundwater	1	1,065	Yes
188	PLAINS, CITY OF Plains	Plains	Groundwater	1	1,023	Yes
189	OVERBROOK, CITY OF Overbrook	Overbrook	Groundwater	1	999	Yes
190	JEWELL CO RWD 1 Esbon	Esbon	Groundwater	1	959	Yes
191	PERRY, CITY OF Perry	Perry	Groundwater	1	858	Yes
192	WILSON CO RWD 10 Chanute	Chanute	Surface Water	1	808	Yes
193	MONTGOMERY CO RWD 2 Independence	Independence	Surface Water	1	800	Yes
194	MINNEOLA, CITY OF Minneola	Minneola	Groundwater	1	752	Yes
195	BROWN CO RWD 2 Powhattan	Powhattan	Groundwater	1	724	Yes
196	MOUND CITY, CITY OF Mound City	Mound City	Surface Water	1	678	Yes
197	ATCHISON CO RWD 6 Atchison	Atchison	Surface Water	1	670	Yes
198	LEON, CITY OF Leon	Leon	Surface Water	1	667	Yes
199	NEOSHO CO RWD 7 Chanute	Chanute	Surface Water	1	625	Yes
200	MARQUETTE, CITY OF Marquette	Marquette	Groundwater	1	596	Yes
201	WAVERLY, CITY OF Waverly	Waverly	Surface Water	1	574	Yes
202	LA HARPE, CITY OF La Harpe	La Harpe	Surface Water	1	484	Yes
203	JEFFERSON CO RWD 11 Ozawkie	Ozawkie	Groundwater	1	483	Yes
204	ALTA VISTA, CITY OF Alta Vista	Alta Vista	Groundwater	1	422	Yes
205	GYPSUM, CITY OF Gypsum	Gypsum	Groundwater	1	402	Yes

Systems with No Violations (295)

295 water systems in Kansas have zero recorded violations. Showing the 50 largest by population served.

WATER DISTRICT 1 OF JOHNSON CO (490,000) WICHITA, CITY OF (395,699) KANSAS CITY BOARD OF PUBLIC UTILITIES (152,960) OLATHE, CITY OF (143,014) LAWRENCE, CITY OF (95,256) MANHATTAN, CITY OF (54,763) SALINA, CITY OF (46,481) LEAVENWORTH WATER DEPARTMENT (38,757) GARDEN CITY, CITY OF (35,126) UNIVERSITY OF KANSAS (35,000) DERBY, CITY OF (25,413) GARDNER, CITY OF (23,942) HAYS, CITY OF (21,040) PITTSBURG, CITY OF (20,738) LIBERAL, CITY OF (19,640) GREAT BEND, CITY OF (14,580) MCPHERSON, CITY OF (13,944) FORT LEAVENWORTH AMERICAN WATER ENT LLC (12,934) SHAWNEE CO RWD 4C (12,000) WINFIELD, CITY OF (11,726) AUGUSTA, CITY OF (9,267) CHANUTE, CITY OF (8,642) PARK CITY, CITY OF (8,503) INDEPENDENCE, CITY OF (8,464) BEL AIRE, CITY OF (8,448) BONNER SPRINGS, CITY OF (7,805) POTTAWATOMIE CO RWD 1 (7,535) FORT SCOTT, CITY OF (7,513) VALLEY CENTER, CITY OF (7,419) LAN DEL WATER DISTRICT (7,302) BOURBON CO RWD 2C (7,050) MULVANE, CITY OF (6,587) ABILENE, CITY OF (6,468) BUTLER CO RWD 5 (6,457) JOHNSON CO RWD 7 (6,457) EUDORA, CITY OF (6,449) ULYSSES, CITY OF (6,410) MAIZE, CITY OF (6,060) SEDGWICK CO RWD 3 (6,045) MCCONNELL AFB (6,009) PAOLA, CITY OF (5,786) COLBY, CITY OF (5,516) GODDARD, CITY OF (5,372) IOLA, CITY OF (5,343) CONCORDIA, CITY OF (5,032) LOUISBURG, CITY OF (4,994) BALDWIN CITY, CITY OF (4,882) WAMEGO, CITY OF (4,860) SUBURBAN WATER COMPANY (4,700) GOODLAND, CITY OF (4,450) +245 more

All Water Systems in Kansas (855)

Page 5 of 18, ordered by population served.

System	Population Served	Violations
BELLE PLAINE, CITY OF	1,468	38
COLWICH, CITY OF	1,463	0
CRAWFORD CO RWD 2	1,460	0
SEDGWICK CO RWD 2	1,460	0
DONIPHAN CO RWD 5	1,457	0
POTTAWATOMIE CO RWD 3	1,455	0
BUTLER CO RWD 7	1,455	15
TOWANDA, CITY OF	1,445	2
LEOTI, CITY OF	1,430	0
OSAGE CO RWD 7	1,430	0
SUMNER CO RWD 5	1,429	0
KINSLEY, CITY OF	1,417	4
HILL CITY, CITY OF	1,410	0
ARMA, CITY OF	1,406	0
DOUGLAS CO RWD 1	1,400	0
WABAUNSEE CO RWD 2	1,400	2
MARION CO RWD 4	1,398	1
MARSHALL CO RWD 3	1,388	0
STOCKTON, CITY OF	1,380	1
CHAPMAN, CITY OF	1,377	0
SUBLETTE, CITY OF	1,376	0
CARBONDALE, CITY OF	1,344	13
JOHNSON CITY, CITY OF	1,343	0
SILVER LAKE, CITY OF	1,337	0
YATES CENTER, CITY OF	1,335	45
OSBORNE, CITY OF	1,324	0
INMAN, CITY OF	1,316	0
BUHLER, CITY OF	1,315	0
LYON CO RWD 5	1,310	0
NESS CITY, CITY OF	1,303	1
RUSSELL CO RWD 3	1,300	0
REPUBLIC CO RWD 2	1,293	31
ST FRANCIS, CITY OF	1,292	1
ATWOOD, CITY OF	1,282	1
SEDGWICK CO RWD 1	1,275	0
HARPER, CITY OF	1,273	1
COFFEY CO RWD 2E	1,254	0
WATHENA, CITY OF	1,242	0
PLEASANTON, CITY OF	1,238	14
CHEROKEE CO RWD 8	1,235	0
LACROSSE, CITY OF	1,232	0
HOXIE, CITY OF	1,218	1
NEOSHO CO RWD 2	1,210	11
LINN CO RWD 1	1,200	0
ANDERSON CO RWD 4	1,200	1
LINCOLN, CITY OF	1,181	2
BROOKOVER LAND ENTERPRISES, L.P.	1,180	0
JEFFERSON CO RWD 7	1,180	1
ST JOHN, CITY OF	1,176	1
DOUGLAS CO RWD 2	1,163	0

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Frequently Asked Questions

How many water systems are in Kansas?

Kansas has 855 community water systems tracked by the EPA, serving a combined population of 2,869,020 people.

How many water systems in Kansas have health violations?

370 water systems in Kansas have health-based violations, which include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations. These represent 43% of all systems in the state.

How many health-based violation records are in this extract for Kansas?

PlainEnviro's health-based EPA SDWIS extract contains 3,819 records joined to 855 active community water systems in Kansas. Monitoring and reporting records are not included.

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About This Data

Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Only community water systems (CWS) are included.

Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services

Read our methodology - how this data is sourced, computed, and verified.

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