Lead pipes in Pennsylvania cities and towns
Find your city to see which water system serves it and how many lead service lines that system reported. 596 Pennsylvania cities and towns with 1,000+ residents.
| City | Water system | Lead + galv. | Unknown |
|---|---|---|---|
| Abbottstown | York Water Co | 120 | 71,283 |
| Adamstown | Adamstown Borough | 0 | 0 |
| Akron | Akron Borough | 9 | 1,145 |
| Albion | Albion Borough | 3 | 75 |
| Alburtis | Alburtis Borough Authority | 0 | 0 |
| Aldan | Aqua PA Main System | 4,650 | 39,217 |
| Aliquippa | Mun Water Auth of Aliquippa | 142 | 3,618 |
| Allentown | Lca Allentown Division | 10,391 | 20,894 |
| Altoona | Altoona Water Authority | 6,598 | 8,683 |
| Ambler | Ambler Boro Water Dept | 344 | 739 |
| Ambridge | Ambridge Water Auth | 1,138 | 6,300 |
| Apollo | Mawc Sweeney Plant | 2,680 | 1,911 |
| Archbald | PA Amer Water Co Lake Scranton | 928 | 49,696 |
| Arnold | New Kensington Muni Auth | 0 | 14,078 |
| Ashland | Ashland Area Water Authority | 9 | 1,736 |
| Ashley | Paw Ceasetown | 497 | 29,346 |
| Aspinwall | Aspinwall Boro Water Dept | 72 | 17 |
| Atglen | Borough of Atglen | 12 | 13 |
| Athens | Aqua PA Susquehanna Division | 1,114 | 589 |
| Avalon | West View Water Authority | 772 | 18,428 |
| Avis | Pawc Appalachian Dist | 0 | 1,471 |
| Avoca | Paw Watres | 361 | 22,620 |
| Avondale | Borough of Avondale | 67 | 0 |
| Baden | Baden Boro Water Dept | 4 | 1,389 |
| Baldwin | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Bally | Bally Muni Water Works | 0 | 322 |
| Bangor | Pawc Bangor | 68 | 3,440 |
| Bath | Bath Municipal Water Works | 14 | 9 |
| Beaver | Beaver Boro Muni Auth | 251 | 1,499 |
| Beaver Falls | Beaver Falls Muni Auth | 154 | 595 |
| Bedford | Mun Auth of Boro of Bedford | 0 | 0 |
| Bell Acres | Edgeworth Boro Muni Auth | 0 | 2,230 |
| Bellefonte | Bellefonte Borough Water Auth | 29 | 2,518 |
| Bellevue | West View Water Authority | 772 | 18,428 |
| Bellwood | Bellwood Boro Auth | 79 | 1,141 |
| Ben Avon | West View Water Authority | 772 | 18,428 |
| Bentleyville | Bentleyville Muni Auth | 0 | 0 |
| Berlin | Berlin Boro Muni Auth | 3 | 882 |
| Berwick | PA American Water Berwick | 68 | 6,092 |
| Bessemer | Bessemer Borough Water Dept | 18 | 484 |
| Bethel Park | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Bethlehem | City of Bethlehem | 777 | 29,933 |
| Big Beaver | Beaver Falls Muni Auth | 154 | 595 |
| Biglerville | Biglerville Water Co | 0 | 17 |
| Birdsboro | Birdsboro Muni Water Auth | 0 | 1,867 |
| Blairsville | Blairsville Muni Auth | 106 | 1,298 |
| Blakely | PA Amer Water Co Lake Scranton | 928 | 49,696 |
| Blawnox | Blawnox Boro Water Dept | 1 | 648 |
| Bloomfield | Bloomfield Boro Water Auth | 1 | 310 |
| Bloomsburg | Veolia Water PA INC Bloomsburg | 207 | 0 |
| Blossburg | Blossburg Municipal Authority | 0 | 0 |
| Bonneauville | Bonneauville Muni Water Auth | 0 | 904 |
| Boswell | Boswell Boro Muni Auth | 0 | 881 |
| Boyertown | Boyertown Muni Auth | 6 | 1,928 |
| Brackenridge | Brackenridge Boro Water Dept | 0 | 243 |
| Braddock | Braddock Boro Water Auth | 0 | 0 |
| Braddock Hills | Wilkinsburg-Penn JT Water Auth | 3,838 | 5,828 |
| Bradford | Bradford City Water Authority | 0 | 0 |
| Bradford Woods | West View Water Authority | 772 | 18,428 |
| Brentwood | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Bridgeport | PA American Norristown | 417 | 30,340 |
| Bridgeville | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Bristol | Aqua PA Bristol | 133 | 3,012 |
| Brockway | Brockway Boro Municipal Auth | 0 | 0 |
| Brookhaven | Chester Water Authority | 149 | 38,696 |
| Brookville | Brookville Municipal Auth | 418 | 8 |
| Brownsville | Pa-American Water-Brownsville | 90 | 5,141 |
| Bryn Athyn | Aqua PA Main System | 4,650 | 39,217 |
| Burgettstown | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Burnham | Mifflin Cnty Muni Auth | 84 | 9,252 |
| Butler | PA American Water Co Butler | 372 | 20,218 |
| California | Pa-American Water-Brownsville | 90 | 5,141 |
| Cambridge Springs | Cambridge Springs Borough | 0 | 1 |
| Camp Hill | PA American Water Co West | 1,751 | 32,832 |
| Canonsburg | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Canton | Canton Borough Authority | 17 | 161 |
| Carbondale | PA Amer Water Co Brownell | 101 | 5,068 |
| Carlisle | Carlisle Water TRMT PLT | 251 | 2,694 |
| Carnegie | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Carroll Valley | Carroll Valley Water System | 0 | 109 |
| Carrolltown | Carrolltown Boro Muni Auth | 0 | 544 |
| Castle Shannon | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Catasauqua | Catasauqua Mun Water Works | 29 | 2,215 |
| Catawissa | Catawissa Municipal Water Auth | 0 | 124 |
| Centerville | Tri Cnty JT Muni Auth | 0 | 3,181 |
| Centre Hall | Centre Hall Boro Water Dept | 0 | 0 |
| Chalfont | Aqua PA Chalfont | 8 | 702 |
| Chambersburg | Chambersburg Boro Water Sys | 38 | 1,949 |
| Charleroi | Auth of Boro of Charleroi | 0 | 11,588 |
| Chester | Chester Water Authority | 149 | 38,696 |
| Chester Heights | Chester Water Authority | 149 | 38,696 |
| Cheswick | Cheswick Boro Water Dept | 0 | 522 |
| Christiana | Christiana Muni Water Auth | 90 | 12 |
| Churchill | Wilkinsburg-Penn JT Water Auth | 3,838 | 5,828 |
| Clairton | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Clarion | PA American Water Co Clarion | 99 | 3,251 |
| Clarks Green | PA Amer Water Co Lake Scranton | 928 | 49,696 |
| Clarks Summit | PA Amer Water Co Lake Scranton | 928 | 49,696 |
| Clearfield | Clearfield Municipal Auth | 0 | 5,334 |
| Cleona | Lebanon Water Auth | 183 | 10,342 |
| Clifton Heights | Aqua PA Main System | 4,650 | 39,217 |
| Clymer | Clymer Boro Muni Auth | 0 | 643 |
| Coaldale | Lansford Coaldale JT Water Aut | 0 | 1,835 |
| Coatesville | PA American Coatesville | 282 | 13,131 |
| Cochranton | Cochranton Boro Water Dept | 0 | 0 |
| Collegeville | Collegeville Trappe Joint PWD | 0 | 2,222 |
| Collingdale | Aqua PA Main System | 4,650 | 39,217 |
| Columbia | Columbia Water Co | 9 | 1,317 |
| Colwyn | Aqua PA Main System | 4,650 | 39,217 |
| Connellsville | Pa-American Water Co-Connellsv | 54 | 4,798 |
| Conshohocken | Aqua PA Main System | 4,650 | 39,217 |
| Conway | Borough of Conway | 3 | 777 |
| Conyngham | Conyngham Sugarloaf Joint Ma | 0 | 1,215 |
| Coopersburg | Coopersburg Mun Water Auth | 12 | 766 |
| Coplay | Northampton Boro Muni Auth | 1,510 | 9,543 |
| Coraopolis | Coraopolis Water & Sewer Auth | 59 | 2,209 |
| Cornwall | Borough of Cornwall | 17 | 506 |
| Corry | Municipal Authority of Corry | 0 | 0 |
| Coudersport | Coudersport Boro Authority | 0 | 4 |
| Crafton | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Cresson | Cresson Boro Water Sys | 0 | 859 |
| Cressona | Schuylkill Haven Boro Water | 3 | 1,755 |
| Curwensville | Pike TWP Municipal Authority | 3 | 1,179 |
| Dallas | Veolia Water PA Dallas | 26 | 0 |
| Dallastown | Dallastown Yoe Water Auth | 17 | 1,604 |
| Dalton | PA Amer Water Co Lake Scranton | 928 | 49,696 |
| Danville | Danville Municipal Water Auth | 5 | 867 |
| Darby | Aqua PA Main System | 4,650 | 39,217 |
| Delmont | Mawc Sweeney Plant | 2,680 | 1,911 |
| Denver | Denver Boro | 7 | 0 |
| Derry | Derry Boro Muni Auth | 52 | 1,988 |
| Dickson | PA Amer Water Co Lake Scranton | 928 | 49,696 |
| Dillsburg | Dillsburg Area Authority | 1 | 0 |
| Donora | Auth of Boro of Charleroi | 0 | 11,588 |
| Dormont | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Dover | Dover Boro Water Sys | 0 | 576 |
| Downingtown | Downingtown Water Authority | 21 | 2,301 |
| Doylestown | Doylestown Boro Water Dept | 39 | 2,099 |
| Dravosburg | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Dublin | Borough of Dublin | 0 | 197 |
| DuBois | City of Dubois Water Depart | 54 | 2,786 |
| Duboistown | Williamsport Mun Water Auth | 1,695 | 17,268 |
| Duncannon | Duncannon Muni Water | 41 | 618 |
| Duncansville | Duncansville Muni Water Auth | 9 | 635 |
| Dunmore | PA Amer Water Co Lake Scranton | 928 | 49,696 |
| Dupont | Paw Watres | 361 | 22,620 |
| Duquesne | Duquesne Water Dept | 0 | 1,882 |
| Duryea | Paw Nesbitt | 214 | 13,972 |
| East Bangor | E Bangor Mun Authority | 5 | 589 |
| East Berlin | East Berlin Area Joint Auth | 32 | 342 |
| East Conemaugh | Greater Johnstown WA Riverside | 4,378 | 15,186 |
| East Greenville | E Greenville Boro Water Dept | 4 | 723 |
| East Lansdowne | Aqua PA Main System | 4,650 | 39,217 |
| East McKeesport | Mawc Sweeney Plant | 2,680 | 1,911 |
| East Petersburg | East Petersburg Borough | 0 | 1,446 |
| East Pittsburgh | Wilkinsburg-Penn JT Water Auth | 3,838 | 5,828 |
| East Stroudsburg | E Stroudsburg Boro Water Dept | 0 | 1,910 |
| East Washington | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Easton | Easton Area Water System | 42 | 23,011 |
| Ebensburg | Ebensburg Boro Muni Auth | 3 | 1,375 |
| Economy | Ambridge Water Auth | 1,138 | 6,300 |
| Eddystone | Aqua PA Main System | 4,650 | 39,217 |
| Edgewood | Wilkinsburg-Penn JT Water Auth | 3,838 | 5,828 |
| Edgeworth | Edgeworth Boro Muni Auth | 0 | 2,230 |
| Edinboro | Edinboro Water Authority | 2 | 722 |
| Edwardsville | Paw Ceasetown | 497 | 29,346 |
| Elizabeth | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Elizabethtown | Elizabethtown Area Water | 64 | 3,253 |
| Elizabethville | Elizabethville Area Auth | 4 | 790 |
| Elkland | Elkland Boro Water Authority | 14 | 1 |
| Ellport | PA Amer Water Co Ellwood Cty | 103 | 9,151 |
| Ellwood | PA Amer Water Co Ellwood Cty | 103 | 9,151 |
| Elverson | Elverson Water Company | 0 | 0 |
| Emmaus | Emmaus Borough Public Water | 550 | 1,673 |
| Emporium | Emporium Water Company | 1 | 682 |
| Emsworth | West View Water Authority | 772 | 18,428 |
| Ephrata | Ephrata Area Joint Authority | 19 | 6,178 |
| Erie | Erie City Water Authority | 1,312 | 26,597 |
| Etna | Hampton Shaler Water Authority | 236 | 23,919 |
| Evans | Evans City Borough | 1 | 885 |
| Everett | Everett Boro Muni Auth | 0 | 1 |
| Exeter | Paw Nesbitt | 214 | 13,972 |
| Factoryville | Aqua PA Factoryville | 2 | 23 |
| Fairchance | North Fayette Cnty Muni Auth | 153 | 12,174 |
| Falls Creek | Falls Creek Boro Mun Auth | 27 | 474 |
| Farrell | Aqua PA Shenango Valley WTP | 1,071 | 5,844 |
| Ferndale | Greater Johnstown WA Riverside | 4,378 | 15,186 |
| Fleetwood | Fleetwood Boro Water System | 2 | 276 |
| Flemington | Suburban Lock Haven Water Auth | 0 | 3,256 |
| Folcroft | Aqua PA Main System | 4,650 | 39,217 |
| Ford | Ford City Muni Water Works | 36 | 1,579 |
| Forest | PA Amer Water Co Forest City | 18 | 1,435 |
| Forest Hills | Wilkinsburg-Penn JT Water Auth | 3,838 | 5,828 |
| Forty Fort | Paw Huntsville | 108 | 7,325 |
| Fountain Hill | City of Bethlehem | 777 | 29,933 |
| Fox Chapel | Fox Chapel Auth | 16 | 56 |
| Frackville | PA Amer Water Co Frackville | 5 | 2,265 |
| Franklin | General Authority of Franklin | 51 | 3,539 |
| Franklin Park | West View Water Authority | 772 | 18,428 |
| Freedom | Beaver Falls Muni Auth | 154 | 595 |
| Freeland | Freeland Boro Muni Water Auth | 20 | 1,093 |
| Freemansburg | City of Bethlehem | 777 | 29,933 |
| Freeport | South Buffalo TWP Muni Auth | 0 | 0 |
| Gallitzin | Gallitzin Boro Water Auth | 3 | 885 |
| Geistown | Highland S & W Auth Beaverdam | 3 | 6,623 |
| Gettysburg | Gettysburg Muni Auth | 3 | 3,762 |
| Girard | Girard Boro Water Dept | 20 | 1,017 |
| Girardville | Aqua PA Roaring Creek Division | 256 | 3,993 |
| Glassport | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Glen Rock | Glen Rock Water Auth | 2 | 668 |
| Glenolden | Aqua PA Main System | 4,650 | 39,217 |
| Green Tree | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Greencastle | Greencastle Area Water Auth | 107 | 1,171 |
| Greensburg | Mawc Sweeney Plant | 2,680 | 1,911 |
| Greenville | Aqua PA Greenville | 335 | 1,572 |
| Grove | Grove City Boro Water Dept | 120 | 395 |
| Hallam | York Water Co | 120 | 71,283 |
| Hallstead | PA Amer Water Co Susquehanna | 27 | 1,724 |
| Hamburg | Hamburg Muni Water&sewer Auth | 0 | 1,960 |
| Hanover | Hanover Muni Water Works | 16 | 13,124 |
| Harrisburg | Capital Region Water | 494 | 0 |
| Harveys Lake | Aqua PA Warden Place | 5 | 25 |
| Hastings | Hastings Muni Auth | 5 | 712 |
| Hatboro | Aqua PA Hatboro | 247 | 162 |
| Hatfield | North Penn Water Authority | 60 | 0 |
| Hawley | Aqua PA Water Co Hawley | 5 | 133 |
| Hazleton | Hca Hazleton Division | 1 | 12,608 |
| Heidelberg | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Hellertown | Hellertown Borough Authority | 59 | 2,559 |
| Hermitage | Aqua PA Shenango Valley WTP | 1,071 | 5,844 |
| Highspire | Veolia Water | 186 | 0 |
| Hollidaysburg | Hollidaysburg Muni Auth | 11 | 1,866 |
| Homer | Central Indiana Co Water Auth | 0 | 2,079 |
| Homestead | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Honesdale | Aqua PA Water Co Honesdale | 17 | 937 |
| Honey Brook | Honey Brook Boro Water | 5 | 194 |
| Houston | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Hughestown | Paw Watres | 361 | 22,620 |
| Hughesville | Hughesville Borough Water Auth | 0 | 1,199 |
| Hummelstown | Veolia Water | 186 | 0 |
| Huntingdon | Huntingdon Boro Water Dept | 0 | 2,686 |
| Indiana | PA American Water Co-Indiana D | 146 | 6,970 |
| Industry | Industry Boro Muni Auth | 0 | 352 |
| Ingram | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Irwin | Mawc Sweeney Plant | 2,680 | 1,911 |
| Jacobus | York Water Co | 120 | 71,283 |
| Jeannette | Mawc Sweeney Plant | 2,680 | 1,911 |
| Jefferson Hills | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Jenkintown | Aqua PA Main System | 4,650 | 39,217 |
| Jermyn | PA Amer Water Co Brownell | 101 | 5,068 |
| Jersey Shore | Jersey Shore Area JNT Wat Auth | 53 | 1,947 |
| Jessup | PA Amer Water Co Lake Scranton | 928 | 49,696 |
| Jim Thorpe | Jim Thorpe Borough Water West | 8 | 663 |
| Johnsonburg | Johnsonburg Municipal Auth | 1 | 1,370 |
| Johnstown | Greater Johnstown WA Riverside | 4,378 | 15,186 |
| Jonestown | Lebanon Water Auth | 183 | 10,342 |
| Kane | PA American Water Co Kane | 29 | 2,253 |
| Kenhorst | Reading Area Water Authority | 256 | 20,112 |
| Kennett Square | Kennett Square Mun Water Works | 1 | 1,622 |
| Kingston | Paw Ceasetown | 497 | 29,346 |
| Kittanning | PA American Water Kittanning | 23 | 1,964 |
| Knox | Knox Water Works | 0 | 582 |
| Kulpmont | Aqua PA Roaring Creek Division | 256 | 3,993 |
| Kutztown | Kutztown Borough Water | 25 | 902 |
| Laflin | Paw Watres | 361 | 22,620 |
| Lake | Lake City Boro Munic Water | 9 | 725 |
| Lancaster | City of Lancaster | 474 | 42,841 |
| Langhorne | Bcwsa Main Lower South | 0 | 12,784 |
| Langhorne Manor | Bcwsa Main Lower South | 0 | 12,784 |
| Lansdale | North Penn Water Authority | 60 | 0 |
| Lansdowne | Aqua PA Main System | 4,650 | 39,217 |
| Lansford | Lansford Coaldale JT Water Aut | 0 | 1,835 |
| Larksville | Paw Ceasetown | 497 | 29,346 |
| Latrobe | Latrobe Muni Auth | 318 | 1,358 |
| Laureldale | Muhlenberg TWP Muni Auth | 107 | 5,632 |
| Lebanon | Lebanon Water Auth | 183 | 10,342 |
| Leechburg | Mawc Sweeney Plant | 2,680 | 1,911 |
| Leesport | Leesport Borough | 0 | 876 |
| Leetsdale | Edgeworth Boro Muni Auth | 0 | 2,230 |
| Lehighton | Lehighton Water Authority | 81 | 1,545 |
| Lemoyne | PA American Water Co West | 1,751 | 32,832 |
| Lewisburg | PA American White Deer | 209 | 12,435 |
| Lewistown | Mifflin Cnty Muni Auth | 84 | 9,252 |
| Liberty | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Ligonier | Mawc Furnace Run | 18 | 1,362 |
| Lititz | Lititz Boro | 183 | 3,197 |
| Littlestown | Littlestown Boro | 0 | 1,295 |
| Lock Haven | City of Lock Haven Water Dept | 2 | 939 |
| Loganville | York Water Co | 120 | 71,283 |
| Loretto | Loretto Boro Water Sys | 0 | 166 |
| Lower Burrell | New Kensington Muni Auth | 0 | 14,078 |
| Luzerne | Paw Huntsville | 108 | 7,325 |
| Lykens | Lykens Boro Auth | 0 | 0 |
| Macungie | Macungie Borough Authority | 9 | 230 |
| Mahanoy | Mahanoy TWP Auth | 28 | 236 |
| Malvern | Aqua PA Main System | 4,650 | 39,217 |
| Manchester | York Water Co | 120 | 71,283 |
| Manheim | Manheim Area Water & Sewer Aut | 37 | 1,105 |
| Manor | Mawc Sweeney Plant | 2,680 | 1,911 |
| Mansfield | Mansfield Borough Mun Auth | 0 | 915 |
| Marcus Hook | Chester Water Authority | 149 | 38,696 |
| Marietta | Columbia Water Co | 9 | 1,317 |
| Mars | Mars Borough Water Works | 0 | 595 |
| Martinsburg | Martinsburg Muni Auth | 83 | 627 |
| Marysville | Veolia Water | 186 | 0 |
| Masontown | Masontown Muni Water Works | 0 | 1,803 |
| Matamoras | Muni Auth of Boro of Matamoras | 78 | 0 |
| Mayfield | PA Amer Water Co Brownell | 101 | 5,068 |
| McAdoo | Kline Township Mun Authority | 14 | 2,024 |
| McConnellsburg | McConnellsburg Boro Muni Auth | 0 | 809 |
| McDonald | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| McKees Rocks | West View Water Authority | 772 | 18,428 |
| McKeesport | West Cnty Muni Auth-McKeesport | 1,515 | 6,238 |
| McSherrystown | Hanover Muni Water Works | 16 | 13,124 |
| Meadville | Meadville Area Water Authority | 58 | 198 |
| Mechanicsburg | Veolia Mechanicsburg | 846 | 0 |
| Media | Aqua PA Main System | 4,650 | 39,217 |
| Mercer | Aqua PA Shenango Valley WTP | 1,071 | 5,844 |
| Mercersburg | Mercersburg Muni Water Auth | 0 | 3 |
| Meyersdale | Meyersdale Muni Auth | 0 | 0 |
| Middleburg | Middleburg Municipal Authority | 0 | 411 |
| Middletown | Veolia Middletown | 40 | 2,257 |
| Midland | Midland Boro Muni Auth | 17 | 1,053 |
| Mifflinburg | Mifflinburg Boro Water Dept | 2 | 985 |
| Milesburg | Milesburg Borough Water Auth | 0 | 0 |
| Milford | Milford Water Authority | 3 | 0 |
| Mill Hall | Suburban Lock Haven Water Auth | 0 | 3,256 |
| Millbourne | Aqua PA Main System | 4,650 | 39,217 |
| Millersburg | Millersburg Water Auth | 36 | 106 |
| Millersville | City of Lancaster | 474 | 42,841 |
| Millvale | Pittsburgh Water & Sewer Auth | 18,415 | 2,361 |
| Milton | PA American White Deer | 209 | 12,435 |
| Minersville | Minersville Municipal Water Au | 4 | 2,938 |
| Mohnton | Shillington Muni Auth | 43 | 4,137 |
| Monaca | Monaca Boro Water Dept | 26 | 1,130 |
| Monessen | Auth of Boro of Charleroi | 0 | 11,588 |
| Monongahela | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Monroeville | Monroeville Municipal Auth | 3 | 4,812 |
| Mont Alto | Mont Alto Municipal Authority | 86 | 453 |
| Montgomery | Montgomery Water Authority | 0 | 809 |
| Montoursville | Montoursville Water Company | 18 | 631 |
| Montrose | PA Amer Water Co Montrose | 11 | 729 |
| Moosic | Paw Nesbitt | 214 | 13,972 |
| Morrisville | Morrisville Munic Authority | 2 | 43 |
| Morton | Aqua PA Main System | 4,650 | 39,217 |
| Moscow | Aqua PA Water Co Moscow | 5 | 22 |
| Mount Carmel | Aqua PA Roaring Creek Division | 256 | 3,993 |
| Mount Holly Springs | Mt Holly Springs Boro Auth | 0 | 0 |
| Mount Joy | Mt Joy Boro Auth | 8 | 585 |
| Mount Oliver | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Mount Penn | Mt Penn Boro Muni Auth | 101 | 3,132 |
| Mount Pleasant | Mawc Yough Plant | 249 | 889 |
| Mount Pocono | Pawc Pocono District | 7 | 7,523 |
| Mount Union | Mt Union Municipal Auth | 0 | 865 |
| Mount Wolf | York Water Co | 120 | 71,283 |
| Mountville | Columbia Water Co | 9 | 1,317 |
| Muncy | Muncy Borough Water Company | 0 | 879 |
| Munhall | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Murrysville | Mawc Sweeney Plant | 2,680 | 1,911 |
| Myerstown | Myerstown Water Auth | 0 | 111 |
| Nanticoke | Paw Ceasetown | 497 | 29,346 |
| Nanty-Glo | Nanty Glo Water Auth | 0 | 0 |
| Narberth | Aqua PA Main System | 4,650 | 39,217 |
| Nazareth | Pawc Blue Mountain | 163 | 9,444 |
| Nescopeck | PA American Water Berwick | 68 | 6,092 |
| Nesquehoning | Nesquehoning Boro Water Auth | 2 | 1,216 |
| New Beaver | PA Amer Water Co New Castle | 1,330 | 14,928 |
| New Brighton | Beaver Falls Muni Auth | 154 | 595 |
| New Britain | Dtma Main System | 0 | 17 |
| New Castle | PA Amer Water Co New Castle | 1,330 | 14,928 |
| New Cumberland | PA American Water Co West | 1,751 | 32,832 |
| New Eagle | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| New Freedom | New Freedom Boro Water Auth | 0 | 789 |
| New Holland | New Holland Borough | 39 | 0 |
| New Hope | Bcwsa New Hope | 0 | 473 |
| New Kensington | New Kensington Muni Auth | 0 | 14,078 |
| New Oxford | New Oxford Munci Auth | 15 | 245 |
| New Philadelphia | Blythe TWP Municipal Authority | 0 | 2,391 |
| New Stanton | Mawc Yough Plant | 249 | 889 |
| New Wilmington | New Wilmington Boro Water Dept | 0 | 35 |
| Newport | Newport Boro Water Auth | 3 | 889 |
| Newtown | Newtown Artesian Water Co | 31 | 3,483 |
| Newville | Newville Boro Water Auth | 19 | 718 |
| Norristown | PA American Norristown | 417 | 30,340 |
| North Apollo | Mawc Sweeney Plant | 2,680 | 1,911 |
| North Belle Vernon | Belle Vernon Boro Muni Auth | 0 | 0 |
| North Braddock | Wilkinsburg-Penn JT Water Auth | 3,838 | 5,828 |
| North Catasauqua | Northampton Boro Muni Auth | 1,510 | 9,543 |
| North Charleroi | Auth of Boro of Charleroi | 0 | 11,588 |
| North East | North East Borough Water Dept | 53 | 436 |
| North Wales | North Wales Water Authority | 5 | 17,382 |
| North York | York Water Co | 120 | 71,283 |
| Northampton | Northampton Boro Muni Auth | 1,510 | 9,543 |
| Northern Cambria | Northern Cambria Muni Water | 0 | 948 |
| Northumberland | PA American White Deer | 209 | 12,435 |
| Norwood | Aqua PA Main System | 4,650 | 39,217 |
| Oakdale | Oakdale Boro Water Dept | 0 | 0 |
| Oakmont | Oakmont Water Authority | 0 | 13,726 |
| Ohioville | Ohioville Boro Muni Auth | 0 | 1,022 |
| Oil | Oil City | 2,475 | 664 |
| Old Forge | Paw Nesbitt | 214 | 13,972 |
| Olyphant | PA Amer Water Co Lake Scranton | 928 | 49,696 |
| Orwigsburg | Orwigsburg Municipal Water WKS | 1 | 629 |
| Osceola Mills | Paw Philipsburg | 103 | 7,182 |
| Oxford | Oxford Borough | 152 | 460 |
| Palmerton | Palmerton Municipal Authority | 39 | 1,804 |
| Palmyra | PA Amer Water Co | 413 | 19,709 |
| Parkesburg | PA American Coatesville | 282 | 13,131 |
| Parkside | Chester Water Authority | 149 | 38,696 |
| Patton | Patton Boro Water Dept | 0 | 71 |
| Paxtang | Veolia Water | 186 | 0 |
| Pen Argyl | Pawc Blue Mountain | 163 | 9,444 |
| Penbrook | Capital Region Water | 494 | 0 |
| Penndel | Bcwsa Main Lower South | 0 | 12,784 |
| Pennsburg | Upper Hanover Water Authority | 0 | 995 |
| Perkasie | Perkasie Regional Authority | 0 | 2,334 |
| Perryopolis | North Fayette Cnty Muni Auth | 153 | 12,174 |
| Philadelphia | Philadelphia Water Department | 18,582 | 351,513 |
| Philipsburg | Paw Philipsburg | 103 | 7,182 |
| Phoenixville | Phoenixville Water Dept | 0 | 6,080 |
| Pine Grove | Pine Grove Boro Water System | 0 | 926 |
| Pitcairn | Wilkinsburg-Penn JT Water Auth | 3,838 | 5,828 |
| Pittsburgh | Pittsburgh Water & Sewer Auth | 18,415 | 2,361 |
| Pittston | Paw Watres | 361 | 22,620 |
| Pleasant Hills | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Plum | Plum Boro Muni Auth | 0 | 8,284 |
| Plymouth | Paw Ceasetown | 497 | 29,346 |
| Point Marion | Point Marion Boro | 0 | 0 |
| Port Allegany | Port Allegany Water Department | 226 | 0 |
| Port Carbon | Schuylkill Co Mun Auth | 13 | 9,404 |
| Port Vue | West Cnty Muni Auth-McKeesport | 1,515 | 6,238 |
| Portage | Portage Boro Muni Auth | 12 | 2,060 |
| Pottstown | Pottstown Borough Water Auth | 0 | 9,676 |
| Pottsville | Schuylkill Co Mun Auth | 13 | 9,404 |
| Prospect Park | Aqua PA Main System | 4,650 | 39,217 |
| Punxsutawney | PA American Water Punxsy | 111 | 3,201 |
| Quakertown | Quakertown Boro | 35 | 1,835 |
| Quarryville | Quarryville Boro | 10 | 617 |
| Rankin | Wilkinsburg-Penn JT Water Auth | 3,838 | 5,828 |
| Reading | Reading Area Water Authority | 256 | 20,112 |
| Red Hill | Red Hill Water Authority | 0 | 1,251 |
| Red Lion | Red Lion Municipal Authority | 126 | 6,993 |
| Renovo | Western Clinton Co Mun Auth | 0 | 31 |
| Reynoldsville | Reynoldsville Water Auth | 1 | 1,126 |
| Richland | Richland Boro Water Supply | 0 | 0 |
| Richlandtown | Richlandtown Water Department | 3 | 457 |
| Ridgway | Ridgway Borough Water System | 29 | 1,140 |
| Ridley Park | Aqua PA Main System | 4,650 | 39,217 |
| Riverside | Danville Municipal Water Auth | 5 | 867 |
| Roaring Spring | Roaring Spring Muni Water Auth | 0 | 6 |
| Robesonia | Womelsdorf Robesonia JT Auth | 0 | 0 |
| Rochester | Beaver Falls Muni Auth | 154 | 595 |
| Rockledge | Aqua PA Main System | 4,650 | 39,217 |
| Rose Valley | Aqua PA Main System | 4,650 | 39,217 |
| Roseto | Pawc Bangor | 68 | 3,440 |
| Royalton | Royalton Boro | 0 | 0 |
| Royersford | PA American Royersford | 121 | 17,136 |
| Saxonburg | PA American Water Co Butler | 372 | 20,218 |
| Sayre | Aqua PA Susquehanna Division | 1,114 | 589 |
| Schuylkill Haven | Schuylkill Haven Boro Water | 3 | 1,755 |
| Schwenksville | Schwenksville Borough Auth | 80 | 106 |
| Scottdale | Mawc Yough Plant | 249 | 889 |
| Scranton | PA Amer Water Co Lake Scranton | 928 | 49,696 |
| Selinsgrove | Selinsgrove Muni Auth | 383 | 1,078 |
| Sellersville | North Penn Water Authority | 60 | 0 |
| Seven Fields | Seven Fields Boro Water Dept | 0 | 1,336 |
| Sewickley | Sewickley Boro Water Auth | 8 | 2,085 |
| Shamokin | Aqua PA Roaring Creek Division | 256 | 3,993 |
| Shamokin Dam | Shamokin Dam Borough | 0 | 418 |
| Sharon | Aqua PA Shenango Valley WTP | 1,071 | 5,844 |
| Sharon Hill | Aqua PA Main System | 4,650 | 39,217 |
| Sharpsburg | Pittsburgh Water & Sewer Auth | 18,415 | 2,361 |
| Sharpsville | Sharpsville Boro Water Co | 68 | 1,055 |
| Shenandoah | Aqua Shenandoah | 297 | 3,118 |
| Shillington | Shillington Muni Auth | 43 | 4,137 |
| Shinglehouse | Shinglehouse Boro Water Dept | 0 | 0 |
| Shippensburg | Shippensburg Boro Water Auth | 44 | 2,667 |
| Shiremanstown | PA American Water Co West | 1,751 | 32,832 |
| Shoemakersville | Shoemakersville Boro Water Sys | 0 | 670 |
| Shrewsbury | Shrewsbury Borough | 1 | 446 |
| Sinking Spring | Paw Penn District | 433 | 11,932 |
| Slatington | Slatington Borough Water Sys | 88 | 626 |
| Slippery Rock | Slippery Rock Muni Auth | 0 | 394 |
| Smethport | Smethport Borough | 5 | 818 |
| Somerset | Somerset Boro Muni Water Auth | 1 | 2,272 |
| Souderton | North Penn Water Authority | 60 | 0 |
| South Coatesville | PA American Coatesville | 282 | 13,131 |
| South Connellsville | Pa-American Water Co-Connellsv | 54 | 4,798 |
| South Greensburg | Mawc Yough Plant | 249 | 889 |
| South Waverly | Aqua PA Susquehanna Division | 1,114 | 589 |
| South Williamsport | Williamsport Mun Water Auth | 1,695 | 17,268 |
| Southmont | Greater Johnstown WA Riverside | 4,378 | 15,186 |
| Southwest Greensburg | Mawc Sweeney Plant | 2,680 | 1,911 |
| Speers | Auth of Boro of Charleroi | 0 | 11,588 |
| Spring | PA American Royersford | 121 | 17,136 |
| Spring Grove | York Water Co | 120 | 71,283 |
| Springdale | Springdale Boro Water Dept | 0 | 0 |
| St. Clair | Schuylkill Co Mun Auth | 13 | 9,404 |
| St. Lawrence | Mt Penn Boro Muni Auth | 101 | 3,132 |
| St. Marys | St Marys Area Water Auth | 32 | 1,852 |
| State College | State College Boro Water Auth | 7 | 8,710 |
| Steelton | PA American Water Steelton | 56 | 2,090 |
| Stewartstown | Stewartstown Boro Water Auth | 0 | 511 |
| Strasburg | Strasburg Muni Water Auth | 0 | 1,105 |
| Stroudsburg | Brodhead Creek Reg Water Auth | 0 | 3,416 |
| Sugar Notch | Paw Ceasetown | 497 | 29,346 |
| Sugarcreek | General Authority of Franklin | 51 | 3,539 |
| Summit Hill | Summit Hill Water Authority | 0 | 1,042 |
| Sunbury | Municipal Authority Sunbury | 3 | 1 |
| Susquehanna Depot | PA Amer Water Co Susquehanna | 27 | 1,724 |
| Swarthmore | Aqua PA Main System | 4,650 | 39,217 |
| Swissvale | Wilkinsburg-Penn JT Water Auth | 3,838 | 5,828 |
| Swoyersville | Paw Huntsville | 108 | 7,325 |
| Sykesville | Sykesville Borough | 0 | 547 |
| Tamaqua | Tamaqua Area Water Authority | 80 | 2,529 |
| Tarentum | Tarentum Boro Water Dept | 0 | 0 |
| Tatamy | Pawc Blue Mountain | 163 | 9,444 |
| Taylor | PA Amer Water Co Lake Scranton | 928 | 49,696 |
| Telford | Telford Borough Authority | 0 | 1,123 |
| Terre Hill | Terre Hill Borough | 0 | 387 |
| Throop | PA Amer Water Co Lake Scranton | 928 | 49,696 |
| Titusville | Titusville Municipal Water | 140 | 1,949 |
| Topton | Topton Boro Water Supply | 0 | 666 |
| Towanda | Towanda Municipal Authority | 0 | 1,952 |
| Tower | Tower City Borough Authority | 41 | 713 |
| Trafford | Wilkinsburg-Penn JT Water Auth | 3,838 | 5,828 |
| Trainer | Chester Water Authority | 149 | 38,696 |
| Trappe | Collegeville Trappe Joint PWD | 0 | 2,222 |
| Tremont | Scma-Tremont | 0 | 814 |
| Troy | Troy Water Deptartment | 0 | 12 |
| Tullytown | Lower Bucks Co Joint Mun Auth | 0 | 0 |
| Tunkhannock | Tunkhannock Boro Munic Auth | 20 | 777 |
| Turtle Creek | Wilkinsburg-Penn JT Water Auth | 3,838 | 5,828 |
| Tyrone | Tyrone Boro Water Auth | 3 | 1,256 |
| Union | Union City Municipal Authority | 79 | 931 |
| Uniontown | Pa-American Water- Uniontown | 183 | 9,006 |
| Upland | Chester Water Authority | 149 | 38,696 |
| Vandergrift | Mawc Sweeney Plant | 2,680 | 1,911 |
| Verona | Oakmont Water Authority | 0 | 13,726 |
| Versailles | West Cnty Muni Auth-McKeesport | 1,515 | 6,238 |
| Walnutport | Walnutport Authority | 5 | 0 |
| Warren | PA American Water Co Warren | 381 | 4,997 |
| Washington | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Waterford | Waterford Municipal Authority | 195 | 0 |
| Watsontown | PA American White Deer | 209 | 12,435 |
| Waymart | Aqua PA Water Co Waymart | 0 | 190 |
| Waynesboro | Boro of Waynesboro | 117 | 5,146 |
| Waynesburg | Southwestern PA Water Auth | 63 | 8,196 |
| Weatherly | Weatherly Boro Mun Auth | 5 | 960 |
| Wellsboro | Wellsboro Municipal Authority | 0 | 1,669 |
| Wernersville | Wernersville Muni Water Auth | 0 | 927 |
| Wesleyville | Erie City Water Authority | 1,312 | 26,597 |
| West Chester | Aqua PA West Chester | 39 | 2,617 |
| West Conshohocken | Aqua PA Main System | 4,650 | 39,217 |
| West Easton | Easton Area Water System | 42 | 23,011 |
| West Grove | West Grove Borough | 417 | 0 |
| West Hazleton | Hca Hazleton Division | 1 | 12,608 |
| West Homestead | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| West Kittanning | West Kittanning Muni Auth | 0 | 626 |
| West Leechburg | Mawc Sweeney Plant | 2,680 | 1,911 |
| West Mayfield | Beaver Falls Muni Auth | 154 | 595 |
| West Mifflin | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| West Newton | Mawc Yough Plant | 249 | 889 |
| West Pittston | Paw Nesbitt | 214 | 13,972 |
| West Reading | West Reading Boro Water | 58 | 1,253 |
| West View | West View Water Authority | 772 | 18,428 |
| West Wyoming | Paw Nesbitt | 214 | 13,972 |
| West York | York Water Co | 120 | 71,283 |
| Westfield | Westfield Borough Waterworks | 1 | 19 |
| Westmont | Greater Johnstown WA Riverside | 4,378 | 15,186 |
| Whitaker | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| White Haven | Aqua PA White Haven | 4 | 183 |
| White Oak | West Cnty Muni Auth-McKeesport | 1,515 | 6,238 |
| Whitehall | PA Amer Water Co-Pittsburgh | 6,070 | 207,101 |
| Wilkes-Barre | Paw Watres | 361 | 22,620 |
| Wilkinsburg | Wilkinsburg-Penn JT Water Auth | 3,838 | 5,828 |
| Williamsburg | Williamsburg Munic Auth | 0 | 0 |
| Williamsport | Williamsport Mun Water Auth | 1,695 | 17,268 |
| Williamstown | Williamstown Boro Auth | 4 | 839 |
| Wilmerding | Mawc Sweeney Plant | 2,680 | 1,911 |
| Wilson | Easton Area Water System | 42 | 23,011 |
| Wind Gap | Pawc Blue Mountain | 163 | 9,444 |
| Windber | Windber Area Auth | 0 | 4,091 |
| Windsor | Windsor Boro Water Auth | 5 | 0 |
| Womelsdorf | Womelsdorf Robesonia JT Auth | 0 | 0 |
| Wormleysburg | PA American Water Co West | 1,751 | 32,832 |
| Wrightsville | Wrightsville Boro Muni Auth | 4 | 64 |
| Wyoming | Paw Nesbitt | 214 | 13,972 |
| Wyomissing | Wyomissing Boro Water System | 24 | 641 |
| Yardley | PA American Water Co Yardley | 245 | 12,152 |
| Yeadon | Aqua PA Main System | 4,650 | 39,217 |
| Yoe | Dallastown Yoe Water Auth | 17 | 1,604 |
| York | York Water Co | 120 | 71,283 |
| Youngsville | Youngsville Mun Waterworks | 0 | 802 |
| Youngwood | Mawc Yough Plant | 249 | 889 |
| Zelienople | Zelienople Boro | 0 | 0 |