Surface Water Systems Nationwide

175 systems in this national source-type category.

Systems that draw primarily from rivers, lakes, or reservoirs. Surface water systems face treatment complexity, seasonal variability, watershed protection demands, and exposure to drought and climate patterns.

SystemStatePop. ServedMISIBand

NEW YORK CITY SYSTEMNY8.3M51.114Fragile

LOS ANGELES-CITY, DEPT. OF WATER & POWERCA3.9M37.877Watch

CITY OF HOUSTONTX3.0M33.862Watch

CHICAGOIL2.7M48.082Fragile

MWRAMA2.7M38.523Watch

SAN ANTONIO WATER SYSTEMTX2.1M38.335Watch

WASHINGTON SUBURBAN SANITARY COMMISSIONMD1.9M30.406Watch

BALTIMORE CITY-BUREAU WATER SUMD1.8M16.892Stable

PHOENIX CITY OFAZ1.7M39.423Watch

PhiladelphiaPA1.6M50.593Fragile

CITY OF BALTIMOREMD1.6M45.211Fragile

LAS VEGAS VALLEY WATER DISTRICTNV1.5M20.920Watch

EAST BAY MUDCA1.4M34.589Watch

SAN DIEGO, CITY OFCA1.4M22.936Watch

DALLAS WATER UTILITYTX1.4M27.097Watch

ClevelandOH1.3M28.861Watch

ColumbusOH1.3M36.665Watch

WASHINGTON SUBURBAN SANITARY CMD1.3M15.149Stable

DENVER WATER BOARDCO1.3M50.155Fragile

CHARLOTTE-MECKLENBURG UTILITYNC1.2M28.901Watch

FAIRFAX COUNTY WATER AUTHORITYVA1.1M31.396Watch

CITY OF AUSTIN WATER & WASTEWATERTX1.1M38.113Watch

MO AMERICAN ST LOUIS CO ST CHARLES COMO1.1M40.589Fragile

SEATTLE PUBLIC UTILITIESWA1.1M46.218Fragile

ATLANTAGA1.1M43.752Fragile

METROPOLITANOPR1.1M32.684Watch

SAN JOSE WATER COMPANYCA1.0M40.023Fragile

NEW YORK CITY - CROTON SYSTEMNY1.0M33.788Watch

GWINNETT CO. DEPT. OF WATER RESOURCESGA975K18.895Stable

CITY OF FORT WORTHTX956K25.933Watch

CITIZENS WATER - INDIANAPOLISIN880K28.635Watch

SFPUC CITY DISTRIBUTION DIVISIONCA848K42.049Fragile

AQUA PA MAIN SYSTEMPA823K46.896Fragile

UNITED WATER NJNJ793K41.732Fragile

NASHVILLE WATER DEPT #1TN778K39.232Watch

LOUISVILLE WATER COMPANYKY765K34.315Watch

PHILA SUB WATER COPA759K17.823Stable

CincinnatiOH750K38.496Watch

EL PASO WATER UTILITIES PUBLIC SERVICE BTX747K42.725Fragile

DEKALB COUNTYGA743K31.808Watch

CITY OF TAMPA WATER DEPARTMENTFL734K41.770Fragile

COBB COUNTYGA695K41.220Fragile

CINCINNATI, CITY OF-MILLEROH686K11.650Stable

PA AMER WATER CO-PITTSBURGHPA686K41.022Fragile

BOSTON WATER AND SEWER COMMISSION (MWRA)MA676K54.860Fragile

EASTERN MUNICIPAL WDCA667K22.605Watch

PORTLAND WATER BUREAUOR666K50.721Fragile

METROPOLITAN UTILITIES DISTRICTNE660K33.862Watch

OKLAHOMA CITYOK644K43.994Fragile

RALEIGH, CITY OFNC640K20.899Watch

DETROIT CITY OFMI633K26.678Watch

D.C. WATER AND SEWER AUTHORITYDC632K48.959Fragile

MILWAUKEE WATERWORKSWI626K49.201Fragile

NJ AMERICAN WATER - RARITANNJ615K41.776Fragile

BIRMINGHAM WATER WORKS BOARDAL585K26.865Watch

AlbuquerqueNM560K28.218Watch

CITY OF FRESNOCA546K31.192Watch

QUEEN LANE WATER PLANTPA535K27.221Watch

AURORA CITY OFCO533K25.904Watch

CITY OF SACRAMENTO MAINCA520K31.192Watch

PittsburghPA520K52.362Fragile

KANSAS CITYMO514K37.671Watch

PINELLAS COUNTY UTILITIESFL506K31.238Watch

ASHBURTONMD500K16.892Stable

BALTIMORE CITY MUNICIPAL WORKSMD500K16.892Stable

MCWANY497K31.828Watch

WATER DISTRICT 1 OF JOHNSON COKS482K22.936Watch

WSSC (INCLUDED IN 0150005)MD482K20.622Watch

SOUTH-CENTRAL SERVICE AREAFL474K42.709Fragile

LONG BEACH-CITY, WATER DEPT.CA467K37.113Watch

MESA CITY OFAZ466K35.175Watch

COLORADO SPRINGS UTILITIESCO464K34.649Watch

TACOMA WATER DIVISION, CITY OFWA449K46.738Fragile

COLUMBUS-HAP CREMEAN WTPOH447K25.596Watch

IRVINE RANCH WATER DISTRICTCA445K46.510Fragile

TRUCKEE MEADOWS WATER AUTHORITYNV442K24.002Watch

VIRGINIA BEACH, CITY OFVA438K25.234Watch

NORTH FULTON COUNTYGA435K35.232Watch

MinneapolisMN425K54.396Fragile

CLEVELAND,CITY OF-BALDWIN PLT.OH424K19.186Stable

REGIONAL WATER AUTHORITYCT419K39.352Watch

TULSAOK413K25.659Watch

FCWA - LORTON WTP OLD, NEW, & RIVER STAVA412K23.296Watch

NEWPORT NEWS, CITY OFVA407K25.040Watch

CITY OF ARLINGTONTX405K25.933Watch

TULSA AB JEWELLOK403K25.471Watch

GREENVILLE WATER SYSTEM (2310001)SC396K28.128Watch

WICHITA, CITY OFKS396K31.192Watch

Saint Paul Regional Water ServicesMN393K41.732Fragile

METROPOLITAN DISTRICT COMMISSIONCT391K36.944Watch

CHESTERFIELD CO CENTRAL WATER SYSTEMVA390K22.603Watch

WINSTON-SALEM, CITY OFNC388K18.854Stable

SALT LAKE CITY WATER SYSTEMUT381K37.241Watch

NJ AMERICAN WATER - COASTAL NORTHNJ378K37.084Watch

NORTH LAS VEGAS UTILITIESNV377K26.916Watch

CENTRAL ARKANSAS WATERAR368K18.895Stable

ENRIQUE ORTEGA LA PLATA-METROPPR364K10.928Stable

ToledoOH360K43.050Fragile

CLEVELAND,CITY OF-MORGAN PLANTOH353K19.186Stable

AQUARION WATER CO OF CT-MAIN SYSTEMCT352K42.427Fragile

OCWANY350K33.340Watch

ST PETERSBURG, CITY OFFL350K26.745Watch

CITY OF ANAHEIMCA349K41.899Fragile

MANATEE COUNTY UTILITIES DEPTFL348K27.492Watch

ALAMEDA COUNTY WATER DISTRICTCA344K30.924Watch

HENDERSON CITY OFNV337K29.176Watch

ECWA DIRECTNY335K24.845Watch

NEW ORLEANS CARROLLTON WWLA335K46.538Fragile

LOUDOUN WATER - CENTRAL SYSTEMVA335K43.460Fragile

PROVIDENCE-CITY OFRI333K39.321Watch

COLUMBUS-DUBLIN ROAD WTPOH331K31.069Watch

CHARLOTTE HOSKINSNC330K13.924Stable

HENRICO COUNTY WATER SYSTEMVA330K25.755Watch

CHARLESTON WATER SYSTEM (1010001)SC327K36.628Watch

CLEVELAND,CITY OF-NOTTINGHAM POH327K19.186Stable

DurhamNC322K25.028Watch

BELMONT WATER TREATMENT PLANTPA320K27.221Watch

GreensboroNC320K32.439Watch

COLUMBIA CITY OF (4010001)SC320K36.095Watch

CITY OF CORPUS CHRISTITX318K45.782Fragile

BELLEVUE, CITY OFWA317K35.522Watch

CITY OF SANTA ANACA311K36.713Watch

PASSAIC VALLEY WATER COMMISSIONNJ310K39.099Watch

SACRAMENTO CITY-DIV WTR & SWRCA310K7.988Stable

ST LOUIS CITYMO305K43.548Fragile

KENTUCKY-AMERICAN WATER COKY300K41.545Fragile

RIVERSIDE, CITY OFCA298K20.688Watch

CLAYTON COUNTY WATER AUTHORITYGA298K22.104Watch

LINCOLN, CITY OFNE296K30.345Watch

NEWARK WATER DEPARTMENTNJ294K49.246Fragile

SANTA CLARITA WATER DIVISION FCA294K29.414Watch

COCOA, CITY OFFL294K37.213Watch

CITY OF PLANOTX292K16.942Stable

HOWARD COUNTY D.P.W. DISTRIBUTIONMD286K39.685Watch

LEE COUNTY UTILITIESFL283K40.794Fragile

AkronOH280K37.791Watch

MOBILE BOARD OF WATER AND SEWER COMM.AL279K24.457Watch

GSWC - SOUTHWESTCA278K29.414Watch

HELIX WATER DISTRICTCA278K26.682Watch

BUFFALO WATER AUTHORITYNY276K47.925Fragile

OKLAHOMA CITY DRAPEROK276K37.773Watch

MONTGOMERY WATER WORKSAL276K24.910Watch

E JEFFERSON WW DISTRICT 1LA275K26.599Watch

LUBBOCK PUBLIC WATER SYSTEMTX275K24.666Watch

GRAND RAPIDSMI273K26.678Watch

SARASOTA CO SPECIAL UTIL DISTFL272K38.024Watch

UNITED WATER NEW YORKNY270K34.040Watch

FORT WAYNE - 3 RIVERS FILTRATION PLANTIN270K36.976Watch

CWS - BAKERSFIELDCA268K26.682Watch

UNITED WATER IDAHO INCID265K23.073Watch

NJ AMERICAN WATER - WESTERNNJ265K30.574Watch

CITY OF IRVINGTX265K27.097Watch

HUNTSVILLE UTILITIESAL262K20.688Watch

JERSEY CITY MUANJ262K50.155Fragile

CITY OF LAREDOTX260K40.735Fragile

KNOXVILLE UTILITIES BOARD-KUBTN255K15.921Stable

CLARKSVILLE WATER DEPARTMENTTN252K12.112Stable

CITY OF GARLANDTX249K36.772Watch

GILBERT, TOWN OFAZ248K40.000Watch

GSW&SA (2620004)SC248K32.118Watch

CHANDLER CITY OFAZ247K31.585Watch

DES MOINES WATER WORKSIA246K42.826Fragile

SCOTTSDALE CITY OFAZ241K38.921Watch

OTAY WATER DISTRICTCA238K22.936Watch

SAN GABRIEL VALLEY WC - FONTANACA238K18.684Stable

DAYTON, CITY OF-OTTAWA PLANTOH236K7.988Stable

GLENDALE CITY OFAZ235K31.585Watch

NORFOLK, CITY OFVA234K37.331Watch

MIDDLESEX WATER COMPANYNJ233K53.818Fragile

CITY OF FRISCOTX232K27.198Watch

ARTESIAN WATER COMPANYDE231K32.803Watch

RICHMOND, CITY OFVA229K29.042Watch

COLUMBUSGA229K36.494Watch

THORNTON CITY OFCO226K31.833Watch

TUALATIN VALLEY WATER DISTRICTOR225K46.104Fragile