U.S. water systems

Indiana Water Systems

Indiana

1,244 community water systems on record — 766 active, 478 inactive.

Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Indiana’s official records. Always confirm current status with Indiana before making decisions based on this information.

Counties in Indiana

Adams County (11)Allen County (27)Bartholomew County (10)Benton County (7)Blackford County (3)Boone County (10)Brown County (4)Carroll County (9)Cass County (14)Clark County (19)Clay County (9)Clinton County (9)Crawford County (7)Daviess County (7)Dearborn County (11)Decatur County (8)DeKalb County (9)Delaware County (24)Dubois County (13)Elkhart County (32)Fayette County (6)Floyd County (5)Fountain County (6)Franklin County (6)Fulton County (6)Gibson County (10)Grant County (17)Greene County (9)Hamilton County (26)Hancock County (11)Harrison County (8)Hendricks County (25)Henry County (12)Howard County (15)Huntington County (13)Jackson County (10)Jasper County (15)Jay County (6)Jefferson County (9)Jennings County (9)Johnson County (13)Knox County (18)Kosciusko County (58)LaGrange County (13)Lake County (60)LaPorte County (36)Lawrence County (7)Madison County (26)Marion County (18)Marshall County (16)Martin County (8)Miami County (24)Monroe County (12)Montgomery County (16)Morgan County (23)Newton County (12)Noble County (20)Ohio County (2)Orange County (4)Owen County (4)Parke County (8)Perry County (6)Pike County (7)Porter County (35)Posey County (9)Pulaski County (5)Putnam County (12)Randolph County (12)Ripley County (8)Rush County (6)Scott County (3)Shelby County (9)Spencer County (11)St. Joseph County (22)Starke County (6)Steuben County (31)Sullivan County (10)Switzerland County (2)Tippecanoe County (25)Tipton County (5)Union County (3)Vanderburgh County (6)Vermillion County (13)Vigo County (32)Wabash County (18)Warren County (3)Warrick County (8)Washington County (6)Wayne County (19)Wells County (7)White County (19)Whitley County (10)

All community water systems in Indiana

System name	Mailing city	Population served	Status
CITIZENS WATER - INDIANAPOLIS	INDIANAPOLIS	880,345	Active
FORT WAYNE - 3 RIVERS FILTRATION PLANT	FORT WAYNE	269,994	Active
INDIANA AMERICAN WATER - NORTHWEST	GREENWOOD	210,510	Active
EVANSVILLE WATER UTILITY	EVANSVILLE	182,444	Active
SOUTH BEND WATER WORKS	SOUTH BEND	115,000	Active
INDIANA AMERICAN WATER - S. INDIANA	GREENWOOD	104,445	Active
CARMEL WATER DEPARTMENT	CARMEL	99,927	Active
INDIANA AMERICAN WATER - JOHNSON COUNTY	GREENWOOD	86,813	Active
CITY OF BLOOMINGTON UTILITIES	BLOOMINGTON	83,000	Active
HAMMOND WATER WORKS DEPARTMENT	HAMMOND	78,384	Active
INDIANA AMERICAN WATER - MUNCIE	GREENWOOD	74,030	Active
LAFAYETTE WATER WORKS	LAFAYETTE	70,835	Active
INDIANA AMERICAN WATER - TERRE HAUTE	GREENWOOD	67,765	Active
CITIZENS WATER OF WESTFIELD, LLC	INDIANAPOLIS	61,493	Active
INDIANA AMERICAN WATER - KOKOMO	GREENWOOD	59,313	Active
ANDERSON WATER DEPARTMENT	ANDERSON	55,212	Active
COLUMBUS MUNICIPAL UTILITY	COLUMBUS	51,122	Active
PURDUE UNIV. WATER WORKS	WEST LAFAYETTE	50,000	Active
MISHAWAKA UTILITIES	MISHAWAKA	49,675	Active
CITY OF LAWRENCE UTILITIES	INDIANAPOLIS	49,000	Active
ELKHART PUBLIC WORKS AND UTILITIES	ELKHART	46,455	Active
INDIANA AMERICAN WATER - NOBLESVILLE	GREENWOOD	45,575	Active
INDIANA AMERICAN WATER - RICHMOND	GREENWOOD	41,485	Active
VALPARAISO DEPARTMENT OF WATER WORKS	VALPARAISO	36,000	Active
INDIANA AMERICAN WATER - NEW ALBANY	JEFFERSONVILLE	35,905	Inactive
INDIANA AMERICAN WATER - WEST LAFAYETTE	GREENWOOD	35,533	Active
PLAINFIELD WATER WORKS	PLAINFIELD	34,477	Active
BARGERSVILLE WATER DEPARTMENT	BARGERSVILLE	34,418	Active
MICHIGAN CITY DEPARTMENT OF WATER WORKS	MICHIGAN CITY	33,996	Active
GOSHEN WATER UTILITY	GOSHEN	32,267	Active
BROWNSBURG WATER WORKS	BROWNSBURG	31,250	Active
CROWN POINT WATER WORKS	CROWN POINT	30,000	Active
SCHERERVILLE WATER DEPARTMENT	SCHERERVILLE	30,000	Active
MARION CITY WATER WORKS	MARION	28,363	Active
GREENFIELD WATER UTILITY	GREENFIELD	26,671	Active
EAST CHICAGO WATER WORKS	EAST CHICAGO	26,370	Active
ST. JOHN MUNICIPAL WATER UTILITY	ST. JOHN	25,700	Active
FORT WAYNE CITY UTILITIES	FORT WAYNE	24,890	Inactive
HIGHLAND WATER WORKS	HIGHLAND	23,984	Active
MUNSTER WATER COMPANY	MUNSTER	23,894	Active
INDIANA AMERICAN WATER - NEWBURGH	NEWBURGH	22,215	Active
LAPORTE WATER WORKS	LAPORTE	22,197	Active
INDIANA AMERICAN WATER - SEYMOUR	GREENWOOD	20,725	Active
CHANDLER WATER WORKS DEPARTMENT	CHANDLER	20,120	Active
SILVER CREEK WATER CORPORATION	SELLERSBURG	20,028	Inactive
AQUA INDIANA - NORTH END WATER SUPPLY	FORT WAYNE	20,018	Inactive
NEW CASTLE UTILITIES	NEW CASTLE	19,880	Active
INDIANA AMERICAN WATER - SHELBYVILLE	GREENWOOD	19,093	Active
EASTERN HEIGHTS UTILITIES	BLOOMFIELD	19,028	Active
VINCENNES WATER DEPARTMENT	VINCENNES	18,701	Active
LOGANSPORT MUNICIPAL UTILITY-WELL FIELD	LOGANSPORT	18,369	Active
STUCKER FORK WATER UTILITY	AUSTIN	17,718	Active
JASPER MUNICIPAL WATER UTILITY	JASPER	17,440	Active
HUNTINGTON WATER DEPARTMENT	HUNTINGTON	17,300	Active
GRIFFITH WATER DEPARTMENT	GRIFFITH	16,893	Active
LEBANON UTILITIES	LEBANON	16,840	Active
DYER WATER DEPARTMENT	DYER	16,800	Active
RAMSEY WATER COMPANY, INC.	RAMSEY	16,475	Active
FRANKFORT WATER WORKS	FRANKFORT	16,422	Active
INDIANA AMERICAN WATER - CRAWFORDSVILLE	GREENWOOD	15,930	Active
WATSON RURAL WATER COMPANY	JEFFERSONVILLE	15,750	Active
NEW HAVEN WATER DEPARTMENT	NEW HAVEN	15,700	Active
SELLERSBURG WATER DEPARTMENT	SELLERSBURG	15,655	Active
BROWN COUNTY WATER UTILITY	MORGANTOWN	15,368	Active
MADISON WATER DEPARTMENT	MADISON	15,323	Active
MARTINSVILLE WATER UTILITY	MARTINSVILLE	15,000	Active
ELLETTSVILLE WATER WORKS	ELLETTSVILLE	14,500	Active
HARBOUR WATER	INDIANAPOLIS	14,148	Inactive
HUNTERTOWN WATER WORKS	FORT WAYNE	14,058	Active
BEDFORD CITY UTILITIES	BEDFORD	14,000	Active
INDIANA AMERICAN WATER - WARSAW	GREENWOOD	13,835	Active
WASHINGTON WATER WORKS	WASHINGTON	13,690	Active
JACKSON COUNTY WATER UTILITY	BROWNSTOWN	13,667	Active
EASTERN BARTHOLOMEW WATER	TAYLORSVILLE	13,547	Active
PATOKA LAKE REGIONAL WATER	DUBOIS	13,503	Active
CONNERSVILLE UTILITIES	CONNERSVILLE	13,282	Active
GERMAN TOWNSHIP WATER DISTRICT INC.	EVANSVILLE	12,890	Active
LOGANSPORT MUN.UTILITY-SW TREATMENT PLNT	LOGANSPORT	12,861	Inactive
AUBURN WATER DEPARTMENT	AUBURN	12,800	Active
GREENCASTLE DEPARTMENT OF WATER	GREENCASTLE	12,699	Active
GREENSBURG MUNICIPAL WATER WORKS	GREENSBURG	12,650	Active
LAKE STATION WATER DEPARTMENT	VALPARAISO	12,572	Inactive
INDIANA AMERICAN WATER - WABASH	GREENWOOD	12,140	Active
BRAZIL CITY WATER WORKS	BRAZIL	12,000	Active
SOUTH HAVEN WATER WORKS	VALPARAISO	12,000	Inactive
INDIANA CITIES WATER COMPANY - FRANKLIN	FRANKLIN	11,939	Inactive
PATRIOT WATER DEPARTMENT	PATRIOT	11,937	Active
INDIANA AMERICAN WATER - LOWELL	GREENWOOD	11,908	Active
NORTH LAWRENCE WATER AUTHORITY	BEDFORD	11,625	Active
PERU WATER DEPARTMENT	PERU	11,417	Active
BORDEN TRI-COUNTY REGION	BORDEN	11,000	Active
PRINCETON WATER DEPARTMENT	PRINCETON	10,875	Active
SPEEDWAY WATER WORKS	SPEEDWAY	10,578	Active
DANVILLE WATER WORKS	DANVILLE	10,500	Active
EDWARDSVILLE WATER CORPORATION	GEORGETOWN	10,442	Active
TRI-TOWNSHIP WATER CORPORATION	LAWRENCEBURG	10,435	Active
KENDALLVILLE WATER DEPARTMENT	KENDALLVILLE	10,300	Active
BLUFFTON UTILITIES WATER DEPT	BLUFFTON	10,298	Active
CITY OF BOONVILLE	BOONVILLE	10,260	Active
PLYMOUTH WATER DEPARTMENT	PLYMOUTH	10,241	Active
INDIANA AMERICAN WATER - MOORESVILLE	GREENWOOD	10,083	Active
PIKE-GIBSON WATER, INC.	OAKLAND CITY	10,000	Active
BBP WATER COMPANY	SPENCER	9,903	Active
DECATUR WATER DEPARTMENT	DECATUR	9,900	Active
COLUMBIA CITY WATER DEPARTMENT	COLUMBIA CITY	9,892	Active
ANGOLA WATER DEPARTMENT	ANGOLA	9,340	Active
TELL CITY WATER DEPARTMENT	TELL CITY	9,315	Active
DUBOIS WATER UTILITIES	DUBOIS	9,078	Active
SOUTH HARRISON WATER CORPORATION	CORYDON	9,057	Active
SOUTHERN MONROE WATER AUTHORITY	BLOOMINGTON	8,877	Active
MORGAN COUNTY RURAL WATER COMPANY	MARTINSVILLE	8,800	Active
HOOSIER HILLS REGIONAL WATER DISTRICT	MILAN	8,660	Active
INDIANA AMERICAN WATER - CHARLESTOWN	GREENWOOD	8,658	Active
SOUTHWESTERN BARTHOLOMEW WATER CORP.	COLUMBUS	8,652	Active
RURAL MEMBERSHIP WATER CORP. OF CLARK CO	HENRYVILLE	8,630	Active
EAST WASHINGTON RURAL WATER	SALEM	8,613	Active
ELWOOD WATER & SEWAGE	ELWOOD	8,586	Active
CHESTERTON UTILITIES	CHESTERTON	8,490	Inactive
JENNINGS WATER, INC.	NORTH VERNON	8,370	Active
FRANKLIN COUNTY WATER ASSOCIATION	BROOKVILLE	8,200	Active
HILL WATER CORPORATION	MOORESVILLE	8,200	Active
SALEM WATER WORKS	SALEM	8,200	Active
CUII - TWIN LAKES	CROWN POINT	8,000	Active
EAST LAWRENCE WATER AUTHORITY	BEDFORD	8,000	Active
DAVIESS COUNTY RURAL WATER	WASHINGTON	7,969	Active
FORTVILLE WATER WORKS	FORTVILLE	7,638	Active
INGALLS WATER COMPANY	INGALLS	7,600	Active
LINTON MUNICIPAL WATER UTILITY	LINTON	7,430	Active
UNIVERSITY OF NOTRE DAME	NOTRE DAME	7,400	Active
SCOTTSBURG WATER DEPARTMENT	SCOTTSBURG	7,369	Active
BATESVILLE WATER UTILITY	BATESVILLE	7,323	Active
WESTFIELD WATER WORKS - NORTH	WESTFIELD	7,295	Inactive
CHARLESTOWN/RIVER RIDGE	JEFFERSONVILLE	7,225	Inactive
MARYSVILLE OTISCO NABB WATER CORP.	MARYSVILLE	6,813	Active
NAPPANEE WATER UTILITY	NAPPANEE	6,800	Active
RUSHVILLE CITY UTILITY	RUSHVILLE	6,800	Active
KENT WATER COMPANY	HANOVER	6,750	Active
FLOYDS KNOBS WATER COMPANY, INC.	GREENVILLE	6,690	Active
VAN BUREN WATER, INC.	BLOOMINGTON	6,670	Active
INDIANA AMERICAN WATER - SULLIVAN	GREENWOOD	6,598	Active
NAVAL WEAPONS STATION, CRANE	CRANE	6,538	Active
HUNTINGBURG MUNICIPAL WATER	HUNTINGBURG	6,526	Active
NORTH VERNON WATER DEPARTMENT	NORTH VERNON	6,500	Active
MOUNT VERNON WATER WORKS	MOUNT VERNON	6,426	Active
AURORA UTILITIES	AURORA	6,415	Active
SOUTH LAWRENCE UTILITIES	MITCHELL	6,395	Active
SEELYVILLE WATER WORKS	SEELYVILLE	6,393	Active
GARRETT WATER UTILITY	GARRETT	6,390	Active
ROCHESTER WATER DEPARTMENT	ROCHESTER	6,218	Active
PORTLAND MUNICIPAL WATER PLANT	PORTLAND	6,209	Active
RENSSELAER WATER DEPARTMENT	RENSSELAER	6,200	Active
YORKTOWN WATER DEPARTMENT	YORKTOWN	6,200	Active
NORTH MANCHESTER WATER DEPARTMENT	NORTH MANCHESTER	6,100	Active
GAS CITY WATER DEPARTMENT	GAS CITY	6,000	Active
WHITELAND WATER WORKS	WHITELAND	5,955	Active
CITIZENS WATER - WHITESTOWN	INDIANAPOLIS	5,880	Active
NORTH DEARBORN WATER AUTHORITY	WEST HARRISON	5,775	Active
PENDLETON WATER COMPANY	PENDLETON	5,758	Active
CORYDON WATER WORKS	CORYDON	5,716	Active
CITIZENS WATER - MORGAN	INDIANAPOLIS	5,705	Active
NEW WHITELAND WATER WORKS	NEW WHITELAND	5,648	Inactive
CICERO WATER DEPARTMENT	CICERO	5,607	Active
HARTFORD CITY WATER WORKS	HARTFORD CITY	5,600	Active
NAPOLEON COMMUNITY RURAL WATER CORP.	NAPOLEON	5,564	Active
VALLEY RURAL UTILITY COMPANY	LAWRENCEBURG	5,529	Active
NEW CHICAGO WATER WORKS	HOBART	5,500	Active
INDIANA AMERICAN WATER - WINCHESTER	GREENWOOD	5,405	Active
L-M-S CONSERVANCY DISTRICT	AURORA	5,375	Active
CAMP ATTERBURY	EDINBURGH	5,300	Active
MONTICELLO WATER WORKS	MONTICELLO	5,300	Active
TIPTON UTILITY SERVICE B	TIPTON	5,200	Active
ALEXANDRIA WATER DEPARTMENT	ALEXANDRIA	5,149	Active
CITY OF GREENDALE UTILITIES	GREENDALE	5,092	Active
FORT BENJAMIN HARRISON	FT BENJAMIN HAR	5,000	Inactive
LAWRENCEBURG MUNICIPAL UTILITIES	LAWRENCEBURG	5,000	Active
MITCHELL WATER DEPARTMENT	MITCHELL	5,000	Active
GREENVILLE WATER UTILITY	GREENVILLE	4,920	Active
WHITING WATER DEPARTMENT	WHITING	4,900	Active
GIBSON WATER AUTHORITY	HAUBSTADT	4,835	Active
ABERDEEN PATE WATER COMPANY, INC.	AURORA	4,787	Active
CLINTON WATER UTILITY	CLINTON	4,773	Active
B&B WATER PROJECT, INC.	BLOOMINGTON	4,695	Active
CITIZENS WATER - PLAINFIELD	INDIANAPOLIS	4,652	Inactive
CEDAR LAKE WATER WORKS	CEDAR LAKE	4,600	Active
BREMEN WATER DEPARTMENT	BREMEN	4,516	Active
PLAINFIELD RE-ENTRY EDUCATIONAL FACILITY	PLAINFIELD	4,500	Active
EDINBURGH WATER UTILITY	EDINBURGH	4,480	Active
TOWN OF ELIZABETH	ELIZABETH	4,450	Active
INDIANA AMERICAN WATER - SHERIDAN	GREENWOOD	4,435	Active
CANAAN UTILITIES	CANAAN	4,428	Active
PALMYRA WATER WORKS	PALMYRA	4,425	Active
LIGONIER WATER WORKS	LIGONIER	4,405	Active
IRELAND UTILITIES, INC.	IRELAND	4,395	Active
BERNE WATER DEPARTMENT	BERNE	4,388	Active
WASHINGTON TOWNSHIP WATER	NEW WASHINGTON	4,315	Active
HILL WATER CORPORATION	MOORESVILLE	4,212	Inactive
CUII - INDIANA WATER SERVICE	CROWN POINT	4,200	Inactive
ROCKVILLE LIGHT & WATER	ROCKVILLE	4,195	Active
TENNYSON WATER UTILITY	TENNYSON	4,158	Active
PITTSBORO WATER COMPANY	BROWNSBURG	4,113	Active

Showing the 200 largest of 1,244 systems on record, by population served. Browse by county above for the full list — every system has its own page, and all of them are in the sitemap.