Erie County, New York Water Systems
Erie County, New York
193 community water systems on record — 44 active, 149 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 July 4, 2026. This is a record-keeping and public-information tool — it does not replace New York’s official records. Always confirm current status with New York before making decisions based on this information.
Community water systems in Erie County, New York
- ABBOTT HIGHLAND WDHAMBURG · 25 servedInactive
- AKRON VILLAGEAKRON · 3,100 servedActive
- ALDEN VILLAGEALDEN · 2,666 servedActive
- ALDEN WD #2BUFFALO · 1 servedInactive
- ALDEN WD #3BUFFALO · 1 servedInactive
- AMHERST WD #10BUFFALO · 1 servedInactive
- AMHERST WD #11BUFFALO · 1 servedInactive
- AMHERST WD #12BUFFALO · 1 servedInactive
- AMHERST WD #2BUFFALO · 1 servedInactive
- AMHERST WD #3BUFFALO · 1 servedInactive
- AMHERST WD #4BUFFALO · 1 servedInactive
- AMHERST WD #5BUFFALO · 1 servedInactive
- AMHERST WD #6WILLIAMSVILLE · 1 servedInactive
- AMHERST WD #7BUFFALO · 1 servedInactive
- AMHERST WD #8BUFFALO · 1 servedInactive
- AMHERST WD #9BUFFALO · 1 servedInactive
- ANGOLA VILLAGEANGOLA · 4,050 servedActive
- AURORA MOBILE HOME PARKCLARENCE · 125 servedInactive
- AURORA WD #1BUFFALO · 498 servedInactive
- AURORA WD #1AEAST AURORA · 200 servedInactive
- AURORA WD #235BUFFALO · 497 servedInactive
- AURORA WD #6EAST AURORA · 75 servedInactive
- AURORA WD #7BUFFALO · 473 servedInactive
- AURORA WD #8EAST AURORA · 67 servedInactive
- AURORA WD #9EAST AURORA · 49 servedInactive
- BAIN WDBUFFALO · 1 servedInactive
- BAYVIEW ROAD WDBUFFALO · 1 servedInactive
- BEETOW DRIVE WDBUFFALO · 1 servedInactive
- BELLVUE WDBUFFALO · 1 servedInactive
- BIG TREE GARDEN WDBUFFALO · 1 servedInactive
- BIG TREE MOBILE HOME PARKWEST SENECA · 99 servedActive
- BLASDELL VILLAGEBLASDELL · 3,200 servedInactive
- BONNIE LANE WDBUFFALO · 1 servedInactive
- BOSTON WD #2BUFFALO · 1 servedInactive
- BOSTON WD #3BUFFALO · 320 servedInactive
- BRANT, TOWN OFFARNHAM · 465 servedActive
- BRISTOL WDBUFFALO · 1 servedInactive
- BUFFALO WATER AUTHORITYBUFFALO · 276,000 servedActive
- BURKE WDBUFFALO · 1 servedInactive
- CAMP ROAD LAKESHORE WDBUFFALO · 1 servedInactive
- CENTRAL HAMBURG WDBUFFALO · 1 servedInactive
- CHAFFEE WATER COCHAFFEE · 200 servedActive
- CHEEKTOWAGA WD #10BUFFALO · 1 servedInactive
- CHEEKTOWAGA WD #11BUFFALO · 1 servedInactive
- CHEEKTOWAGA WD #8BUFFALO · 1 servedInactive
- CHEEKTOWAGA WD #9BUFFALO · 1 servedInactive
- CHESTNUT RIDGE WATER DISTRICTBUFFALO · 1 servedInactive
- CIRCLE B TRAILER COURTWALES · 35 servedActive
- CIRCLE COURT MOBILE PARKEAST AURORA · 90 servedActive
- CLARENCE, TOWN WATER DEPT.BUFFALO · 15,000 servedInactive
- CLARK STREET WDBUFFALO · 1 servedInactive
- CLEVELAND HILL WDBUFFALO · 1 servedInactive
- CLOVER BANK WDBUFFALO · 1 servedInactive
- COLDEN WATER DISTRICT #1COLDEN · 445 servedActive
- COLLINS WD #3COLLINS · 760 servedActive
- COLLINS WD #4COLLINS · 1 servedInactive
- COLLINS WDS #1 AND #2COLLINS · 1,400 servedActive
- COLLINS/GOWANDA CORRECTIONAL FACILITYCOLLINS · 1,512 servedActive
- CONCORD TOWN WATER SYSTEMSPRINGVILLE · 125 servedInactive
- CONCORD WATER DISTRICT-KISSING BRIDGESPRINGVILLE · 31 servedInactive
- CRANERIDGE WATER SUPPLYSILVER CREEK · 360 servedActive
- CREEKSIDE M.H.P.EAST AURORA · 120 servedActive
- DEPEW VILLAGEDEPEW · 7,500 servedInactive
- DOYLE WDBUFFALO · 1 servedInactive
- EAST AURORA VILLAGEEAST AURORA · 6,610 servedActive
- EAST FRONTIER DRIVE WDBUFFALO · 1 servedInactive
- EAST HAMBURG WD #1BUFFALO · 1 servedInactive
- ECWA ALDENBUFFALO · 3,497 servedInactive
- ECWA AMHERSTBUFFALO · 92,697 servedActive
- ECWA AURORABUFFALO · 1,430 servedInactive
- ECWA BOSTONBUFFALO · 7,250 servedActive
- ECWA DIRECTBUFFALO · 313,380 servedActive
- ECWA EDENBUFFALO · 5,778 servedInactive
- ECWA EVANSBUFFALO · 12,338 servedActive
- ECWA HAMBURG (T)BUFFALO · 11,314 servedInactive
- ECWA HAMBURG (V)BUFFALO · 9,744 servedActive
- ECWA LANCASTERBUFFALO · 29,018 servedActive
- ECWA MARILLABUFFALO · 4,245 servedInactive
- ECWA NEWSTEADBUFFALO · 5,801 servedActive
- ECWA ORCHARD PARKBUFFALO · 24,582 servedActive
- ECWA WEST SENECABUFFALO · 23,557 servedActive
- ECWA WILLIAMSVILLEBUFFALO · 5,573 servedInactive
- EDEN WD #2BUFFALO · 1 servedInactive
- EDEN WD #3BUFFALO · 1 servedInactive
- EDEN WD #4BUFFALO · 1 servedInactive
- EDEN WD #5BUFFALO · 1 servedInactive
- EDEN WD #6BUFFALO · 1 servedInactive
- EDEN WD #7BUFFALO · 1 servedInactive
- EDEN WD #8BUFFALO · 1 servedInactive
- EDEN-WEPAX ROADFARNHAM · 48 servedActive
- ELMA WATER DISTRICT NO. 1ELMA · 10,287 servedActive
- EVANS WATER DISTRICTANGOLA · 160 servedActive
- EVANS WD #3ANGOLA · 457 servedInactive
- EVANS WD #4ANGOLA · 550 servedInactive
- EVANS WD #5ANGOLA · 3,175 servedInactive
- FARNHAM VILLAGE404 servedActive
- GLENDALE HEIGHTS WDBUFFALO · 1 servedInactive
- GOW SCHOOLSOUTH WALES · 200 servedInactive
- GRAND ISLAND TOWN WATER DEPT.GRAND ISLAND · 19,500 servedActive
- GRAND ISLAND WD #1GRAND ISLAND · 1 servedInactive
- GRAND ISLAND WD #10BUFFALO · 1 servedInactive
- GRAND ISLAND WD #11BUFFALO · 742 servedInactive
- GRAND ISLAND WD #2GRAND ISLAND · 1 servedInactive
- GRAND ISLAND WD #5BUFFALO · 1 servedInactive
- GRAND ISLAND WD #6BUFFALO · 1 servedInactive
- GRAND ISLAND WD #7BUFFALO · 1 servedInactive
- GRAND ISLAND WD #8BUFFALO · 1 servedInactive
- GRAND ISLAND WD #9BUFFALO · 1 servedInactive
- HAMBURG ORCHARD PARK WDBUFFALO · 1 servedInactive
- HAMBURG WD #1BUFFALO · 1 servedInactive
- HAMBURG WD #2BUFFALO · 1 servedInactive
- HOLLAND HILLS APARTMENTSKENMORE · 30 servedActive
- HOLLAND WATER DISTRICTHOLLAND · 1,680 servedActive
- HOLLYWOOD WATER DISTRICTBUFFALO · 1 servedInactive
- HUNTERS CREEK MOBILE HOME PARKCLARENCE · 150 servedActive
- IRVING SUBDIVISIONIRVING · 20 servedInactive
- KENMORE VILLAGEKENMORE · 15,423 servedActive
- KNOB LILLYDALE BENZ WDBUFFALO · 1 servedInactive
- LAKESHORE WDBUFFALO · 1 servedInactive
- LAKEVIEW WDBUFFALO · 1,005 servedInactive
- LANCASTER VILLAGEBUFFALO · 1 servedInactive
- LANCASTER WD #1BUFFALO · 1 servedInactive
- LANCASTER WD #2BUFFALO · 1 servedInactive
- LANCASTER WD #3BUFFALO · 1 servedInactive
- LANCASTER WD #4BUFFALO · 1 servedInactive
- LANCASTER WD #5BUFFALO · 1 servedInactive
- LANCASTER WD #6BUFFALO · 1 servedInactive
- LANCASTER WD #7BUFFALO · 1 servedInactive
- LAWTONS WATER COCOLLINS · 95 servedActive
- LEWIS DRIVE WDBUFFALO · 1 servedInactive
- MCKINLEY WD#1BUFFALO · 1 servedInactive
- MEADOWBROOK GREENFIELD WDBUFFALO · 1 servedInactive
- MEADOWBROOK WD#12BUFFALO · 1 servedInactive
- MOUNT VERNON WDBUFFALO · 1 servedInactive
- NEWSTEAD WD #2BUFFALO · 5,319 servedInactive
- NEWSTEAD WD #3BUFFALO · 204 servedInactive
- NEWSTEAD WD #4BUFFALO · 108 servedInactive
- NEWSTEAD WD #5BUFFALO · 410 servedInactive
- NEWSTEAD WD #6BUFFALO · 20 servedInactive
- NEWSTEAD WD #7BUFFALO · 200 servedInactive
- NEWSTEAD WD #7ABUFFALO · 70 servedInactive
- NEWSTEAD WD #9BUFFALO · 70 servedInactive
- NORTH COLLINS VILLAGENORH COLLINS · 1,496 servedActive
- OCKLER CAMP ROAD WDBUFFALO · 1 servedInactive
- OLD LAKE VIEW ROAD WDBUFFALO · 1 servedInactive
- ORCHARD PARK VILLAGEORCHARD PARK · 3,100 servedActive
- ORCHARD PARK WD #1ORCHARD PARK · 1 servedInactive
- ORCHARD PARK WD #10BUFFALO · 1 servedInactive
- ORCHARD PARK WD #11BUFFALO · 1 servedInactive
- ORCHARD PARK WD #12BUFFALO · 1 servedInactive
- ORCHARD PARK WD #13BUFFALO · 1 servedInactive
- ORCHARD PARK WD #14BUFFALO · 1 servedInactive
- ORCHARD PARK WD #15BUFFALO · 1 servedInactive
- ORCHARD PARK WD #18(WOODLAND PBUFFALO · 1 servedInactive
- ORCHARD PARK WD #19BUFFALO · 1 servedInactive
- ORCHARD PARK WD #2BUFFALO · 1 servedInactive
- ORCHARD PARK WD #3BUFFALO · 1 servedInactive
- ORCHARD PARK WD #4ORCHARD PARK · 1 servedInactive
- ORCHARD PARK WD #5BUFFALO · 1 servedInactive
- ORCHARD PARK WD #6BUFFALO · 1 servedInactive
- ORCHARD PARK WD #7BUFFALO · 1 servedInactive
- ORCHARD PARK WD #8BUFFALO · 1 servedInactive
- ORCHARD PARK WD #9BUFFALO · 660 servedInactive
- OSBORNE SAGAMORE HEIGHTS WDBUFFALO · 1 servedInactive
- PARKER BIG TREE ROAD WDBUFFALO · 1 servedInactive
- PERKINS MOBILE HOME PARKEAST CONCORD · 75 servedActive
- PICTURE LAKE WDBUFFALO · 1 servedInactive
- SALEM DRIVE WDBUFFALO · 1 servedInactive
- SHEFFER FARMS TOWNHOMES WATER WORKSAMHERST · 42 servedInactive
- SHORE HEIGHTS WDBUFFALO · 1 servedInactive
- SOUTH TOWN WATER DISTRICTBUFFALO · 1 servedInactive
- SPRINGVILLE MOBILE VILLAGEBUFFALO · 90 servedActive
- SPRINGVILLE VILLAGESPRINGVILLE · 4,266 servedActive
- SPRINGWOOD MOBILE VILLAGEGOWANDA · 120 servedActive
- TONAWANDA CITYBUFFALO · 17,284 servedInactive
- TONAWANDA, TOWN WATER DEPT.TONAWANDA · 72,571 servedActive
- TOWN OF AURORA PRIVATE WATERLINESEAST AURORA · 25 servedActive
- VAIL WDBUFFALO · 1 servedInactive
- VALLEY VIEW MOBILE COURTEAST AURORA · 42 servedInactive
- VILLAGER APARTMENTSCOLDEN · 40 servedActive
- WANAKAH WATER COBUFFALO · 65 servedInactive
- WEBSTER CORNERS WDBUFFALO · 1 servedInactive
- WEST SENECA WD #2BUFFALO · 1 servedInactive
- WEST SENECA WD #3BUFFALO · 1 servedInactive
- WEST SENECA WD #4BUFFALO · 1 servedInactive
- WEST SENECA WD #5BUFFALO · 1 servedInactive
- WEST SENECA WD #6BUFFALO · 1 servedInactive
- WEST SENECA WD #7BUFFALO · 1 servedInactive
- WEST SENECA WD #8BUFFALO · 1 servedInactive
- WEST SENECA WD #9BUFFALO · 1 servedInactive
- WINDHAM ABBOTT ROAD WDBUFFALO · 1 servedInactive
- WINDOVER WATER DISTRICTBUFFALO · 1 servedInactive
- WOODLAWN WDBUFFALO · 1 servedInactive
| System name | City | Population served | Status |
|---|---|---|---|
| ABBOTT HIGHLAND WD | HAMBURG | 25 | Inactive |
| AKRON VILLAGE | AKRON | 3,100 | Active |
| ALDEN VILLAGE | ALDEN | 2,666 | Active |
| ALDEN WD #2 | BUFFALO | 1 | Inactive |
| ALDEN WD #3 | BUFFALO | 1 | Inactive |
| AMHERST WD #10 | BUFFALO | 1 | Inactive |
| AMHERST WD #11 | BUFFALO | 1 | Inactive |
| AMHERST WD #12 | BUFFALO | 1 | Inactive |
| AMHERST WD #2 | BUFFALO | 1 | Inactive |
| AMHERST WD #3 | BUFFALO | 1 | Inactive |
| AMHERST WD #4 | BUFFALO | 1 | Inactive |
| AMHERST WD #5 | BUFFALO | 1 | Inactive |
| AMHERST WD #6 | WILLIAMSVILLE | 1 | Inactive |
| AMHERST WD #7 | BUFFALO | 1 | Inactive |
| AMHERST WD #8 | BUFFALO | 1 | Inactive |
| AMHERST WD #9 | BUFFALO | 1 | Inactive |
| ANGOLA VILLAGE | ANGOLA | 4,050 | Active |
| AURORA MOBILE HOME PARK | CLARENCE | 125 | Inactive |
| AURORA WD #1 | BUFFALO | 498 | Inactive |
| AURORA WD #1A | EAST AURORA | 200 | Inactive |
| AURORA WD #235 | BUFFALO | 497 | Inactive |
| AURORA WD #6 | EAST AURORA | 75 | Inactive |
| AURORA WD #7 | BUFFALO | 473 | Inactive |
| AURORA WD #8 | EAST AURORA | 67 | Inactive |
| AURORA WD #9 | EAST AURORA | 49 | Inactive |
| BAIN WD | BUFFALO | 1 | Inactive |
| BAYVIEW ROAD WD | BUFFALO | 1 | Inactive |
| BEETOW DRIVE WD | BUFFALO | 1 | Inactive |
| BELLVUE WD | BUFFALO | 1 | Inactive |
| BIG TREE GARDEN WD | BUFFALO | 1 | Inactive |
| BIG TREE MOBILE HOME PARK | WEST SENECA | 99 | Active |
| BLASDELL VILLAGE | BLASDELL | 3,200 | Inactive |
| BONNIE LANE WD | BUFFALO | 1 | Inactive |
| BOSTON WD #2 | BUFFALO | 1 | Inactive |
| BOSTON WD #3 | BUFFALO | 320 | Inactive |
| BRANT, TOWN OF | FARNHAM | 465 | Active |
| BRISTOL WD | BUFFALO | 1 | Inactive |
| BUFFALO WATER AUTHORITY | BUFFALO | 276,000 | Active |
| BURKE WD | BUFFALO | 1 | Inactive |
| CAMP ROAD LAKESHORE WD | BUFFALO | 1 | Inactive |
| CENTRAL HAMBURG WD | BUFFALO | 1 | Inactive |
| CHAFFEE WATER CO | CHAFFEE | 200 | Active |
| CHEEKTOWAGA WD #10 | BUFFALO | 1 | Inactive |
| CHEEKTOWAGA WD #11 | BUFFALO | 1 | Inactive |
| CHEEKTOWAGA WD #8 | BUFFALO | 1 | Inactive |
| CHEEKTOWAGA WD #9 | BUFFALO | 1 | Inactive |
| CHESTNUT RIDGE WATER DISTRICT | BUFFALO | 1 | Inactive |
| CIRCLE B TRAILER COURT | WALES | 35 | Active |
| CIRCLE COURT MOBILE PARK | EAST AURORA | 90 | Active |
| CLARENCE, TOWN WATER DEPT. | BUFFALO | 15,000 | Inactive |
| CLARK STREET WD | BUFFALO | 1 | Inactive |
| CLEVELAND HILL WD | BUFFALO | 1 | Inactive |
| CLOVER BANK WD | BUFFALO | 1 | Inactive |
| COLDEN WATER DISTRICT #1 | COLDEN | 445 | Active |
| COLLINS WD #3 | COLLINS | 760 | Active |
| COLLINS WD #4 | COLLINS | 1 | Inactive |
| COLLINS WDS #1 AND #2 | COLLINS | 1,400 | Active |
| COLLINS/GOWANDA CORRECTIONAL FACILITY | COLLINS | 1,512 | Active |
| CONCORD TOWN WATER SYSTEM | SPRINGVILLE | 125 | Inactive |
| CONCORD WATER DISTRICT-KISSING BRIDGE | SPRINGVILLE | 31 | Inactive |
| CRANERIDGE WATER SUPPLY | SILVER CREEK | 360 | Active |
| CREEKSIDE M.H.P. | EAST AURORA | 120 | Active |
| DEPEW VILLAGE | DEPEW | 7,500 | Inactive |
| DOYLE WD | BUFFALO | 1 | Inactive |
| EAST AURORA VILLAGE | EAST AURORA | 6,610 | Active |
| EAST FRONTIER DRIVE WD | BUFFALO | 1 | Inactive |
| EAST HAMBURG WD #1 | BUFFALO | 1 | Inactive |
| ECWA ALDEN | BUFFALO | 3,497 | Inactive |
| ECWA AMHERST | BUFFALO | 92,697 | Active |
| ECWA AURORA | BUFFALO | 1,430 | Inactive |
| ECWA BOSTON | BUFFALO | 7,250 | Active |
| ECWA DIRECT | BUFFALO | 313,380 | Active |
| ECWA EDEN | BUFFALO | 5,778 | Inactive |
| ECWA EVANS | BUFFALO | 12,338 | Active |
| ECWA HAMBURG (T) | BUFFALO | 11,314 | Inactive |
| ECWA HAMBURG (V) | BUFFALO | 9,744 | Active |
| ECWA LANCASTER | BUFFALO | 29,018 | Active |
| ECWA MARILLA | BUFFALO | 4,245 | Inactive |
| ECWA NEWSTEAD | BUFFALO | 5,801 | Active |
| ECWA ORCHARD PARK | BUFFALO | 24,582 | Active |
| ECWA WEST SENECA | BUFFALO | 23,557 | Active |
| ECWA WILLIAMSVILLE | BUFFALO | 5,573 | Inactive |
| EDEN WD #2 | BUFFALO | 1 | Inactive |
| EDEN WD #3 | BUFFALO | 1 | Inactive |
| EDEN WD #4 | BUFFALO | 1 | Inactive |
| EDEN WD #5 | BUFFALO | 1 | Inactive |
| EDEN WD #6 | BUFFALO | 1 | Inactive |
| EDEN WD #7 | BUFFALO | 1 | Inactive |
| EDEN WD #8 | BUFFALO | 1 | Inactive |
| EDEN-WEPAX ROAD | FARNHAM | 48 | Active |
| ELMA WATER DISTRICT NO. 1 | ELMA | 10,287 | Active |
| EVANS WATER DISTRICT | ANGOLA | 160 | Active |
| EVANS WD #3 | ANGOLA | 457 | Inactive |
| EVANS WD #4 | ANGOLA | 550 | Inactive |
| EVANS WD #5 | ANGOLA | 3,175 | Inactive |
| FARNHAM VILLAGE | — | 404 | Active |
| GLENDALE HEIGHTS WD | BUFFALO | 1 | Inactive |
| GOW SCHOOL | SOUTH WALES | 200 | Inactive |
| GRAND ISLAND TOWN WATER DEPT. | GRAND ISLAND | 19,500 | Active |
| GRAND ISLAND WD #1 | GRAND ISLAND | 1 | Inactive |
| GRAND ISLAND WD #10 | BUFFALO | 1 | Inactive |
| GRAND ISLAND WD #11 | BUFFALO | 742 | Inactive |
| GRAND ISLAND WD #2 | GRAND ISLAND | 1 | Inactive |
| GRAND ISLAND WD #5 | BUFFALO | 1 | Inactive |
| GRAND ISLAND WD #6 | BUFFALO | 1 | Inactive |
| GRAND ISLAND WD #7 | BUFFALO | 1 | Inactive |
| GRAND ISLAND WD #8 | BUFFALO | 1 | Inactive |
| GRAND ISLAND WD #9 | BUFFALO | 1 | Inactive |
| HAMBURG ORCHARD PARK WD | BUFFALO | 1 | Inactive |
| HAMBURG WD #1 | BUFFALO | 1 | Inactive |
| HAMBURG WD #2 | BUFFALO | 1 | Inactive |
| HOLLAND HILLS APARTMENTS | KENMORE | 30 | Active |
| HOLLAND WATER DISTRICT | HOLLAND | 1,680 | Active |
| HOLLYWOOD WATER DISTRICT | BUFFALO | 1 | Inactive |
| HUNTERS CREEK MOBILE HOME PARK | CLARENCE | 150 | Active |
| IRVING SUBDIVISION | IRVING | 20 | Inactive |
| KENMORE VILLAGE | KENMORE | 15,423 | Active |
| KNOB LILLYDALE BENZ WD | BUFFALO | 1 | Inactive |
| LAKESHORE WD | BUFFALO | 1 | Inactive |
| LAKEVIEW WD | BUFFALO | 1,005 | Inactive |
| LANCASTER VILLAGE | BUFFALO | 1 | Inactive |
| LANCASTER WD #1 | BUFFALO | 1 | Inactive |
| LANCASTER WD #2 | BUFFALO | 1 | Inactive |
| LANCASTER WD #3 | BUFFALO | 1 | Inactive |
| LANCASTER WD #4 | BUFFALO | 1 | Inactive |
| LANCASTER WD #5 | BUFFALO | 1 | Inactive |
| LANCASTER WD #6 | BUFFALO | 1 | Inactive |
| LANCASTER WD #7 | BUFFALO | 1 | Inactive |
| LAWTONS WATER CO | COLLINS | 95 | Active |
| LEWIS DRIVE WD | BUFFALO | 1 | Inactive |
| MCKINLEY WD#1 | BUFFALO | 1 | Inactive |
| MEADOWBROOK GREENFIELD WD | BUFFALO | 1 | Inactive |
| MEADOWBROOK WD#12 | BUFFALO | 1 | Inactive |
| MOUNT VERNON WD | BUFFALO | 1 | Inactive |
| NEWSTEAD WD #2 | BUFFALO | 5,319 | Inactive |
| NEWSTEAD WD #3 | BUFFALO | 204 | Inactive |
| NEWSTEAD WD #4 | BUFFALO | 108 | Inactive |
| NEWSTEAD WD #5 | BUFFALO | 410 | Inactive |
| NEWSTEAD WD #6 | BUFFALO | 20 | Inactive |
| NEWSTEAD WD #7 | BUFFALO | 200 | Inactive |
| NEWSTEAD WD #7A | BUFFALO | 70 | Inactive |
| NEWSTEAD WD #9 | BUFFALO | 70 | Inactive |
| NORTH COLLINS VILLAGE | NORH COLLINS | 1,496 | Active |
| OCKLER CAMP ROAD WD | BUFFALO | 1 | Inactive |
| OLD LAKE VIEW ROAD WD | BUFFALO | 1 | Inactive |
| ORCHARD PARK VILLAGE | ORCHARD PARK | 3,100 | Active |
| ORCHARD PARK WD #1 | ORCHARD PARK | 1 | Inactive |
| ORCHARD PARK WD #10 | BUFFALO | 1 | Inactive |
| ORCHARD PARK WD #11 | BUFFALO | 1 | Inactive |
| ORCHARD PARK WD #12 | BUFFALO | 1 | Inactive |
| ORCHARD PARK WD #13 | BUFFALO | 1 | Inactive |
| ORCHARD PARK WD #14 | BUFFALO | 1 | Inactive |
| ORCHARD PARK WD #15 | BUFFALO | 1 | Inactive |
| ORCHARD PARK WD #18(WOODLAND P | BUFFALO | 1 | Inactive |
| ORCHARD PARK WD #19 | BUFFALO | 1 | Inactive |
| ORCHARD PARK WD #2 | BUFFALO | 1 | Inactive |
| ORCHARD PARK WD #3 | BUFFALO | 1 | Inactive |
| ORCHARD PARK WD #4 | ORCHARD PARK | 1 | Inactive |
| ORCHARD PARK WD #5 | BUFFALO | 1 | Inactive |
| ORCHARD PARK WD #6 | BUFFALO | 1 | Inactive |
| ORCHARD PARK WD #7 | BUFFALO | 1 | Inactive |
| ORCHARD PARK WD #8 | BUFFALO | 1 | Inactive |
| ORCHARD PARK WD #9 | BUFFALO | 660 | Inactive |
| OSBORNE SAGAMORE HEIGHTS WD | BUFFALO | 1 | Inactive |
| PARKER BIG TREE ROAD WD | BUFFALO | 1 | Inactive |
| PERKINS MOBILE HOME PARK | EAST CONCORD | 75 | Active |
| PICTURE LAKE WD | BUFFALO | 1 | Inactive |
| SALEM DRIVE WD | BUFFALO | 1 | Inactive |
| SHEFFER FARMS TOWNHOMES WATER WORKS | AMHERST | 42 | Inactive |
| SHORE HEIGHTS WD | BUFFALO | 1 | Inactive |
| SOUTH TOWN WATER DISTRICT | BUFFALO | 1 | Inactive |
| SPRINGVILLE MOBILE VILLAGE | BUFFALO | 90 | Active |
| SPRINGVILLE VILLAGE | SPRINGVILLE | 4,266 | Active |
| SPRINGWOOD MOBILE VILLAGE | GOWANDA | 120 | Active |
| TONAWANDA CITY | BUFFALO | 17,284 | Inactive |
| TONAWANDA, TOWN WATER DEPT. | TONAWANDA | 72,571 | Active |
| TOWN OF AURORA PRIVATE WATERLINES | EAST AURORA | 25 | Active |
| VAIL WD | BUFFALO | 1 | Inactive |
| VALLEY VIEW MOBILE COURT | EAST AURORA | 42 | Inactive |
| VILLAGER APARTMENTS | COLDEN | 40 | Active |
| WANAKAH WATER CO | BUFFALO | 65 | Inactive |
| WEBSTER CORNERS WD | BUFFALO | 1 | Inactive |
| WEST SENECA WD #2 | BUFFALO | 1 | Inactive |
| WEST SENECA WD #3 | BUFFALO | 1 | Inactive |
| WEST SENECA WD #4 | BUFFALO | 1 | Inactive |
| WEST SENECA WD #5 | BUFFALO | 1 | Inactive |
| WEST SENECA WD #6 | BUFFALO | 1 | Inactive |
| WEST SENECA WD #7 | BUFFALO | 1 | Inactive |
| WEST SENECA WD #8 | BUFFALO | 1 | Inactive |
| WEST SENECA WD #9 | BUFFALO | 1 | Inactive |
| WINDHAM ABBOTT ROAD WD | BUFFALO | 1 | Inactive |
| WINDOVER WATER DISTRICT | BUFFALO | 1 | Inactive |
| WOODLAWN WD | BUFFALO | 1 | Inactive |