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Infrastructure
Bridge Safety 624,000 bridge inspections Aviation Safety 30,000+ NTSB aviation events Dam Safety 92,600 dam safety records Water Safety 433,000+ public water systems Railroad Safety 438,000+ rail crossings Pipeline Safety 8,800+ pipeline incidents
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Browse Water Systems

433,347 public water systems.

Public Water Systems Database

Browse 433,347 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.

System Name PWSID State Type Population Served
TRUCKEE MEADOWS WATER AUTHORITY NV0000190 Nevada Community 442,000
VIRGINIA BEACH, CITY OF VA3810900 Virginia Community 437,994
NORTH FULTON COUNTY GA1210005 Georgia Community 434,517
ARGYLE FOREST WTP FL2160037 Florida Community 426,811
Minneapolis MN1270024 Minnesota Community 425,300
CLEVELAND,CITY OF-BALDWIN PLT. OH1800311 Ohio Community 424,027
REGIONAL WATER AUTHORITY CT0930011 Connecticut Community 418,900
TULSA OK1020418 Oklahoma Community 413,000
FCWA - LORTON WTP OLD, NEW, & RIVER STA VA6059500 Virginia Community 411,608
NEWPORT NEWS, CITY OF VA3700500 Virginia Community 407,300
CITY OF ARLINGTON TX2200001 Texas Community 405,420
TULSA AB JEWELL OK1021307 Oklahoma Community 403,000
KETTLE CREEK STATE PARK PA4180004 Pennsylvania Transient Non-Community 400,000
THE MANOR NJ0711204 New Jersey Transient Non-Community 400,000
GREENVILLE WATER (2310001) SC2310001 South Carolina Community 396,265
WICHITA, CITY OF KS2017308 Kansas Community 395,699
Saint Paul Regional Water Services MN1620026 Minnesota Community 392,529
METROPOLITAN DISTRICT COMMISSION CT0640011 Connecticut Community 390,887
CHESTERFIELD CO CENTRAL WATER SYSTEM VA4041845 Virginia Community 389,897
WINSTON-SALEM, CITY OF NC0234010 North Carolina Community 388,060
SALT LAKE CITY WATER SYSTEM UTAH18026 Utah Community 381,174
NJ AMERICAN WATER - COASTAL NORTH NJ1345001 New Jersey Community 377,613
NORTH LAS VEGAS UTILITIES NV0000175 Nevada Community 376,515
VANCOUVER CITY OF WA5391200 Washington Community 373,047
CENTRAL ARKANSAS WATER AR0000465 Arkansas Community 368,455
ENRIQUE ORTEGA LA PLATA-METROP PR0005477 PR Community 363,936
TOLEDO CITY OF OH4801411 Ohio Community 360,000
CLEVELAND,CITY OF-MORGAN PLANT OH1800331 Ohio Community 352,888
AQUARION-EASTERN FAIRFIELD COUNTY CT0150011 Connecticut Community 351,756
OCWA NY3304336 New York Community 350,000
ST PETERSBURG, CITY OF FL6521715 Florida Community 349,979
CITY OF ANAHEIM CA3010001 California Community 348,593
MANATEE COUNTY UTILITIES DEPT FL6411132 Florida Community 347,800
ALAMEDA COUNTY WATER DISTRICT CA0110001 California Community 344,000
SPOKANE CITY OF WA5383100 Washington Community 343,167
HENDERSON CITY OF NV0000076 Nevada Community 336,534
ECWA DIRECT NY1400443 New York Community 335,000
NEW ORLEANS CARROLLTON WATER WORKS LA1071009 Louisiana Community 334,903
LOUDOUN WATER - CENTRAL SYSTEM VA6107350 Virginia Community 334,808
PROVIDENCE-CITY OF RI1592024 Rhode Island Community 333,142
COLUMBUS-DUBLIN ROAD WTP OH2500411 Ohio Community 331,072
HENRICO COUNTY WATER SYSTEM VA4087125 Virginia Community 330,000
CHARLOTTE HOSKINS NC0160015 North Carolina Community 330,000
CHARLESTON WATER SYSTEM (SC1010001) SC1010001 South Carolina Community 327,422
CLEVELAND,CITY OF-NOTTINGHAM P OH1800341 Ohio Community 326,846
DURHAM, CITY OF NC0332010 North Carolina Community 322,083
BELMONT WATER TREATMENT PLANT PA1510002 Pennsylvania Community 320,000
GREENSBORO, CITY OF NC0241010 North Carolina Community 319,588
COLUMBIA CITY OF (SC4010001) SC4010001 South Carolina Community 319,500
CITY OF CORPUS CHRISTI TX1780003 Texas Community 318,387