Cast Iron Pipe Century Club and Cast Iron Pipe Sesquicentennial Club
The Cast Iron Pipe Century Club was organized in 1947 to publicly recognize water utilities with Cast Iron mains that have provided service for 100 years or more.
The Cast Iron Pipe Sesquicentennial Club was organized in 1989 to recognize water utilities with Cast Iron mains that have provided continuous service for 150 years or more. Although Cast Iron pipe has been superseded by Ductile Iron Pipe, the Ductile Iron Pipe Research Association continues to sponsor the Century and Sesquicentennial clubs.

United States Century Club - 549 Members
Click on a state name below to see the list of Century Club members in that state.
Location
Utility
Year Inducted
Oldest Pipe
Water Works & Sewer Board of the City of Anniston
Water Works & Sewer Board of the City of Anniston
Decatur Utilities
Huntsville Utilities
Board of Water & Sewer Commissioners
Location
Utility
Year Inducted
Oldest Pipe
City of Eureka Springs Water Department
City of Fort Smith
Hot Springs Municipal Water System
Municipal Water Works
Van Buren Municipal Utilities
Location
Utility
Year Inducted
Oldest Pipe
City of Benicia
California-American Water Company, Coronado District
L. A. Department of Water & Power
The City of Merced
City of Monrovia
California-American Water Company
East Bay Municipal Utility District
Pasadena Water & Power Department, Water Division
Sacramento Water Department
City of San Bernardino Municipal Water Department
San Francisco Water Department
San Jose Water Works
City of San Luis Obispo
The City of Santa Barbara
City of Santa Cruz Water Department
Santa Rosa Utilities Department
Pacific Gas & Electric Company, Water Systems Department
Stanford University
Location
Utility
Year Inducted
Oldest Pipe
City of Cañon City Water Department
City of Colorado Springs, Department of Utilities
American Water Works Association (Honorary Membership)
Denver Water Department
City of Florence
City of Greeley
Pueblo Board of Water Works
The City of Victor
Location
Utility
Year Inducted
Oldest Pipe
Birmingham Utilities, Inc.
The Connecticut Water Company
City of Danbury, Water Department
Hartford Water Bureau
Town of Manchester
Willimantic Water Works
Middletown Water & Sewer
New Haven Water Company
Second Taxing District
Department of Public Utilities
Water Pollution Control Authority
Stamford Water Company
Torrington Water Company
Unionville Water Company
Town of Wallingford
City of Waterbury, Bureau of Water
Judea Water Company, Inc.
Location
Utility
Year Inducted
Oldest Pipe
Dover Water Works
City of New Castle, Municipal Services Commission
Wilmington Water Department
Location
Utility
Year Inducted
Oldest Pipe
DC Water
Location
Utility
Year Inducted
Oldest Pipe
Gainesville Regional Authority
The City of Ocala, Water/Sewer Department
Orlando Utilities Commission
Department of Public Utilities
City of St. Petersburg Water Resources
Tampa Water Department
Location
Utility
Year Inducted
Oldest Pipe
Athens-Clarke County Public Utilities
Bureau of Water
Augusta Water Department
Cartersville Water Department
Columbus Water Works
City of Gainesville Public Utilities
Macon Water Authority
City of Savannah Water Operations **500th Member**
Location
Utility
Year Inducted
Oldest Pipe
Board of Water Supply
Location
Utility
Year Inducted
Oldest Pipe
Suez Water Idaho
Location
Utility
Year Inducted
Oldest Pipe
City of Aledo
Aurora Water Department
City of Batavia Water Department
City of Bloomington Water Department
Northern Illinois Water Corporation
Water Department
City of Chicago Heights Water Department
Consumers Illinois Water Company
Water Department
Water Department
Village of Downers Grove
City of Elgin
Water Department
Water Department
Kankakee Water Company
Water Department
Water Department
Water Department
Rock Island Arsenal Public Works
City of Shelbyville
City Water, Light & Power
Location
Utility
Year Inducted
Oldest Pipe
Bloomington Utilities
Bluffton City Utilities
Columbia City Municipal Water Utility
Indiana-American Water Company, Inc.
Water Department
Town of Danville Water Department
Fairmount Water Works
Water Works
City of Greencastle Department of Water Works
Northwest Indiana Water Company
Indianapolis Water Company
Indiana-American Water Company, Inc.
City of La Porte, Department of Water Works
City of Lafayette
City of Lebanon Utilities
Logansport Municipal Utilities
Department of Public Works
Mishawaka Utilities Water Division
Nappanee Water Utility
Indiana-American Water Company, Noblesville District
Plymouth Water Department
Indiana-American Water Company, Richmond District
Indiana-American Water Company, Inc., Seymour Operation
South Bend Water Works
Indiana-American Water Company, Wabash Valley District
Location
Utility
Year Inducted
Oldest Pipe
Algona Municipal Utilities
Atlantic Municipal Utilities
Burlington Municipal Water Works
Cedar Falls Utilities Department of Water Operations
Water Department
Iowa-American Water Company, Clinton District
City of Council Bluffs
Davenport Water Company
City of Decorah
Des Moines Water Works
Water Department
City of Iowa City Water
Marion Municipal Water Department
Water Works
Ogden Municipal Utilities
Ottumwa Water Works
Department of Utilities
City of Washington
Waterloo Water Works
City of Webster City
Location
Utility
Year Inducted
Oldest Pipe
City of Atchison
City of Dodge City Water Department
City of Hanover
Board of Public Utilities
City of Kinsley
City of Lawrence
Leavenworth Water Works
City of Lyons
City of Manhattan
City of Olathe
City of Seneca
Sterling Water Department
City of Topeka, Water Division
Location
Utility
Year Inducted
Oldest Pipe
Bowling Green Municipal Utilities
Utilities, Incorporated - Clinton, KY
Kenton County Water District #1
Electric & Water Plant Board
Newport Water Works
Henderson Water Utility
Hopkinsville Water Environment Authority
Kentucky-American Water Company
Louisville Water Company
Water Service Corporation of Kentucky
Paducah Water Works
Winchester Municipal Utilities
Location
Utility
Year Inducted
Oldest Pipe
Lafayette Utilities System
Location
Utility
Year Inducted
Oldest Pipe
Augusta Water District
Water District
Bath Water District
The Bethel Water District
Biddeford & Saco Water Company
Maine Water Company Bucksport Division
Calais Water Department
Maine Water Company Freeport Division
Gardiner Water District
Maine Water Company Greenville District
Livermore Falls Water District
Newport Water District
Old Town Water District
Maine Water Company Kezar Falls Division
Portland Water District
Maine Water Company Camden Rockland Division
Brunswick & Topsham Water District
Maine Water Company Vinalhaven District
Kennebec Water District
York Water District
Location
Utility
Year Inducted
Oldest Pipe
City of Annapolis, Department of Public Works
Maryland Department of Public Works
Cumberland Water Department
Water Department
Hagerstown Water Department
Burgess and Commissioners of Middletown
Location
Utility
Year Inducted
Oldest Pipe
Department of Public Works
Avon Water Department
Town of Belmont Water Department
Public Works Department
Department of Public Works, Water Division
Cambridge Water Department
City of Chelsea
Chicopee Water Department
Town of Danvers, Water Division
New England Water Works Association (Honorary Member)
Dedham-Westwood Water District
Department of Public Works
City of Fall River, Water Works
Department of Public Works
Foxborough Water Department
Town of Franklin, Department of Public Works, Water Division
Housatonic Water Works Company
Department of Public Works
Groton Water Department
Town of Hatfield Water Department
Hingham Water Company
Holyoke Water Works
Town of Hopkinton
Town of Hudson
Water Department
Lenox Water Department
Department of Public Works, Water Division
Lynn Water & Sewer Commission
Milford Water Company
Wannacomet Water Company
Town of Needham, Public Works Department
New Bedford Water Department
Water and Sewer Department
Water Division, Department of Public Works
Oak Bluffs Water District
Orange Water Department
Pittsfield Water Commission
Quincy Water Department
Randolph Water Commission
Abington & Rockland Joint Water Works
Town of Spencer Water Department
Water Department
Stockbridge Water Department
Stoughton Water Department
Taunton Water Department
Three Rivers Fire District
Town of Uxbridge, Department of Public Works
Town of Walpole Water Department
Town of Ware Department of Public Works
Town of Wellesley
Town of West Springfield
Water Department
Department of Public Works, Water Division
Whitinsville Water Company
Location
Utility
Year Inducted
Oldest Pipe
Utilities Department
City of Ann Arbor
Battle Creek Water System
City of Charlotte
Cheboygan Water Utility
Coldwater Board of Public Utilities
Water & Sewerage Department
Grand Rapids Water Department
City of Jackson
City Utilities
Lansing Board of Water & Light
City of Menominee
Monroe Water Department
Muskegon Water Department
Village of Quincy
Saginaw Utilities Department
City of Sault Ste. Marie, Water Department
City of Zeeland, Board of Public Works
Location
Utility
Year Inducted
Oldest Pipe
City of Bemidji
City of Chatfield
City of Crookston
City of Mankato, Water & Wastewater Utilities
City of Minneapolis Water Works
City of New Ulm
City of Northfield
City of Red Wing, Water Division
City of Rochester
St. Cloud Public Utility
Board of Water Commissioners
Board of Water Commissioners
Location
Utility
Year Inducted
Oldest Pipe
Corinth Gas & Water Development
Holly Springs Utility Department
City of Natchez Water Works
Location
Utility
Year Inducted
Oldest Pipe
City of Cape Girardeau
Carrollton Municipal Utilities
City of Columbia Water & Light Department
Hannibal Board of Public Works
Missouri Water Company
Capital City Water Company
Water Department
U. S. Water
City of Liberty
Marshall Municipal Utility
Sedalia Water Department
City Utilities of Springfield
St. Charles City Water Division
Missouri-American Water Company, St. Joseph District
Department of Public Utilities, Water Division
City of Washington, Board of Public Works
Location
Utility
Year Inducted
Oldest Pipe
City of Bozeman
City of Great Falls
Neihart Water Works
Location
Utility
Year Inducted
Oldest Pipe
City of Beatrice
City of Crete Utility Department
Fremont Department of Utilities
City of Grand Island Utilities
Hastings Utilities
Lincoln Water System
Norfolk Water Division
Metropolitan Utilities District
Location
Utility
Year Inducted
Oldest Pipe
City of Concord
City of Dover Water Department
Town of Exeter Water Department
Hanover Water Works Company
City of Keene, Department of Public Works
Manchester Water Works
Pennichuck Water Works
City of Portsmouth, Water and Sewer Department
Rochester Water & Sewer Works
Location
Utility
Year Inducted
Oldest Pipe
Municipal Utilities Authority
Department of Public Works
City of Camden
City of Gloucester Environmental Utilities
Municipal Utility Authority
New Jersey-American Water Company
Hackensack Water Company
Middlesex Water Company
Water Department
Division of Water Supply
City of Millville Water Utility
Department of Water
Mt. Holly Water Company
City of New Brunswick
Garden State Water Company
Ridgewood Water
Borough of Seaside Park
Location
Utility
Year Inducted
Oldest Pipe
The City of Las Vegas Water Department
Sangre De Cristo Water Company
Location
Utility
Year Inducted
Oldest Pipe
Department of Water & Supply
Bureau of Water
Municipal Commission of Boonville, Water Department
Department of Public Works
Village of Camden Water System
Village of Clyde
Village of Cornwall-on-Hudson
Cortland Water Board
Elmira Water Board
Water Department
Newton Water Works
Department of Public Works, Engineering & Utilities Department
Jamestown Board of Public Utilities
Kingston Water Department
Jamaica Water Supply Company
Village of Liberty Water Works
Long Island Water Company
City of Mount Vernon
Department of Water, Gas & Electric
Water Department
Norwich Water System
Village of Ossining, Department of Public Works
Water Department
Rochester Water Works
City of Rome
Department of Water
Village of Sherburne
South Glens Falls Water Department
Village of Suffern
OCWA Central New York’s Water Authority
Water Division
Department of Public Works
Board of Water Supply
Watertown, New York Water Department
Spring Valley Water Company
City of White Plains
Bureau of Water
Location
Utility
Year Inducted
Oldest Pipe
City of Asheville Water Resources
City of Greensboro
City of Salisbury
Winston-Salem-Forsyth County Utilities
Location
Utility
Year Inducted
Oldest Pipe
City of Akron, Public Utilities Bureau
Ohio-American Water Company, Ashtabula District
Bowling Green Municipal Utilities, Water Division
City of Chillicothe Water Department
Water Works
Department of Public Utilities
Division of Water
City of Coshocton
Department of Water
City of Delaware, Department of Utilities
City of Lancaster Division of Water
City of Lebanon Division of Water
City of Lima
Village of Mantua
Ohio Water Service Company, Marysville District
Ohio Water Service Company, Massillon District
Milford Water Works
Village of Monroeville Water Department
Orrville Utilities
City of Oxford Water Division
City of Ravenna
City of Sandusky
Water Department
Water Department
Steubenville Water Department
Division of Wate
City of Troy Water Department
City of Warren
City of Washington Court House Water Department
Youngstown Water Department
Water Department
Location
Utility
Year Inducted
Oldest Pipe
City of Tulsa
Location
Utility
Year Inducted
Oldest Pipe
City of Astoria Public Works Department
Medford Water Commission
Water Department
Bureau of Water Works
Department of Public Works
Water Department
Location
Utility
Year Inducted
Oldest Pipe
Allentown Bureau of Water Resources
Altoona City Authority
Beaver Falls Municipal Authority
Borough of Bellwood
Blossburg Water Company
Brookville Municipal Authority Water Department
Philadelphia Suburban Water Compan
Borough of Carlisle
Borough of Chambersburg
Chester Water Authority
City of Coatesville Water Authority
Columbia Water Company
City of DuBois Water Department
Bureau of Water
Bureau of Water
Municipal Authority of Westmoreland County
The Harrisburg Authority
Jim Thorpe Water Department
Greater Johnstown Water Authority
Keystone Water Company
Bureau of Water
Water Department
Mechanicsburg Water Company
Keystone Water Company, White Deer District
Municipal Authority
Borough of Monaca
Montoursville Borough Water Works
Newtown Artesian Water Company
Pennsylvania-American Water Company - Norristown
North Wales Water Authority
Municipal Authority
City of Oil City
Perkasie Borough Authority
Department of Public Works
Phoenixville Water Works
Bureau of Water Department
Borough of Pottstown
Schulkill City Municipal Authority
Department of Water
Consumers Pennsylvania Water Company, Susquehanna Division
Schaefferstown Water Company
Roaring Creek Water District
Tamaqua Water Company
Towanda Municipal Authority, Towanda Water System
West Chester Area Municipal Authority
Pennsylvania American Water Co., Wilkes Barre/Scranton Division
Williamsport Municipal Water Authority
York Water Company
Location
Utility
Year Inducted
Oldest Pipe
Bristol County Water Authority
Lincoln Water Commission
City of Newport
Beaver Department of Water, Public Works Center
Providence Water Supply Board
Kent County Water Authority
City of Woonsocket, Department of Public Works
Location
Utility
Year Inducted
Oldest Pipe
Commissioners of Public Works
Greenville Water System
Orangeburg Department of Public Utilities
Location
Utility
Year Inducted
Oldest Pipe
Municipal Water Department
Sioux Falls Utilities
Watertown Municipal Utilities Department
Location
Utility
Year Inducted
Oldest Pipe
Brownsville Energy Authority
Tennessee-American Water Company
Cleveland Utilities
City of Dyersburg Water & Sewer Department
Fayetteville Water & Sewer System
Jackson Utility Division
City of Johnson City Water/Sewer Department
Knoxville Utilities Board
City of Martin Water Department
Memphis Light, Gas & Water
Morristown Water System
Water Works Department
Location
Utility
Year Inducted
Oldest Pipe
City of Austin
City of Beaumont
City of Colorado City
San Antonio Water System
Texarkana Water Utilities
Location
Utility
Year Inducted
Oldest Pipe
Water Department
City Water Resources
Department of Water Supply
Location
Utility
Year Inducted
Oldest Pipe
Brandon Fire District No. 1
Water Works Department
International Water Company, Village of Derby Line (Vermont) and Town of Stanstead (Québec, Canada)
Town of Manchester Water Works
Morrisville Water and Light Department
Water Department
Location
Utility
Year Inducted
Oldest Pipe
Alexandria Water Company
Albemarle County Service Authority
Town of Front Royal, Public Utilities
City of Harrisonburg, VA Public Utilities
Town of Leesburg
Water Department
Newport News Waterworks
Norfolk Department of Utilities
Water Department
City of Portsmouth, Department of Public Utilities
Town of Richlands
Department of Public Utilities
City of Salem
Water Department
Location
Utility
Year Inducted
Oldest Pipe
Seattle Water Department
City of Spokane, Department of Water & Hydroelectric Services
Tacoma Public Works, Water Division
City of Vancouver Public Works Department
Location
Utility
Year Inducted
Oldest Pipe
West Virginia-American Water Company
Clarksburg Water Board
West Virginia-American Water Company, Huntington Division
Water Department
Location
Utility
Year Inducted
Oldest Pipe
Ashland Water Utility
Baraboo City Water Works
Beaver Dam Water Utility
Berlin Water & Sewer Utility
Water Utility
Fond du Lac Water Utility
Hudson Public Water Utility
Iron River Sanitary District No. 1
City of Janesville
Kenosha Water Utility
Department of Public Works, Water Utility
Madison Water Utility
Marinette Water Utility
Marshfield Electric and Water Department
Milwaukee Water Works
City of Oconomowoc Waterworks
City of Oshkosh Water Distribution Center
Portage Water Utility
Racine Water & Wastewater Utilities
Reedsburg Utility Commission
Sheboygan Board of Water Commissioners
Water & Sewage Treatment Departments
Superior Water, Light & Power
Wausau Water & Sewerage Utilities
Wauwatosa Water Utility
Whitewater Water Utility
Wisconsin Rapids Water Works & Lighting Commission
Location
Utility
Year Inducted
Oldest Pipe
Cheyenne Water & Sewer Department
Canada Century Club - 35 Members
Click on a province below to see the list of Century Club members in that province.
Location
Utility
Year Inducted
Oldest Pipe
City of New Westminster
City of Vancouver
Public Works Department
Corp. of the District of Saanich
Victoria Water District
Location
Utility
Year Inducted
Oldest Pipe
City of Campbellton Water and Sewer Utility
Saint John Water
Town of Dalhousie Water System
City of Fredericton
City of Miramichi
City of Moncton, Department of Engineering & Public Works
Location
Utility
Year Inducted
Oldest Pipe
City of Dartmouth
Halifax Regional Water Commission
Town of Parsborro
Region of Queens Municipality
Springhill Water Treatment Plant
Cape Breton Regional Municipality Sydney Water Supply
The Town of Truro
Town of Yarmouth Water Utility
Location
Utility
Year Inducted
Oldest Pipe
Public Utilities Commission of the City of Belleville
Bracebridge Water & Sewer Department
Public Utilities Commission of the City of Brantford
Water Department
Public Utilities Commission
Lucknow Water Works
Peterborough Utilities Commission
Public Utilities Commission of the Town of Petrolia
Port Hope Waterworks Commission
Town of St. Marys Water System
Regional Municipality of Durham - Town of Whitby
Woodstock Public Utilities Commission
Location
Utility
Year Inducted
Oldest Pipe
Charlottetown Water Company
Location
Utility
Year Inducted
Oldest Pipe
Public Works Department
Service des travaux publics
Ville de Roberval

United States Sesquicentennial Club - 27 Members
Click on a state name below to see the list of Sesquicentennial Club members in that state.
Location
Utility
Year Inducted
Oldest Pipe
Huntsville Utilities
Board of Water & Sewer Commissioners
Location
Utility
Year Inducted
Oldest Pipe
DC Water
Location
Utility
Year Inducted
Oldest Pipe
City of Savannah Water Operations **500th Member**
Location
Utility
Year Inducted
Oldest Pipe
Department of Public Works
Location
Utility
Year Inducted
Oldest Pipe
Bowling Green Municipal Utilities
Louisville Water Company
Location
Utility
Year Inducted
Oldest Pipe
Portland Water District
Location
Utility
Year Inducted
Oldest Pipe
Public Works Department
Location
Utility
Year Inducted
Oldest Pipe
Water & Sewerage Department
Location
Utility
Year Inducted
Oldest Pipe
Department of Public Utilities, Water Division
Location
Utility
Year Inducted
Oldest Pipe
Department of Water & Supply
Department of Public Works
Department of Public Works
Board of Water Supply
Location
Utility
Year Inducted
Oldest Pipe
Water Works
Location
Utility
Year Inducted
Oldest Pipe
Allentown Bureau of Water Resources
Columbia Water Company
Bureau of Water
Bureau of Water
Department of Public Works
Bureau of Water Department
York Water Company
Location
Utility
Year Inducted
Oldest Pipe
Water Works Department
Location
Utility
Year Inducted
Oldest Pipe
Water Department
Department of Public Utilities
Water Department
Canada Sesquicentennial Club - 5 Members
Click on a province below to see the list of Sesquicentennial Club members in that province.
Location
Utility
Year Inducted
Oldest Pipe
Saint John Water
Location
Utility
Year Inducted
Oldest Pipe
Halifax Regional Water Commission
Location
Utility
Year Inducted
Oldest Pipe
Port Hope Waterworks Commission
Location
Utility
Year Inducted
Oldest Pipe
Public Works Department
Service des travaux publics