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Chester County Backflow Specialists
Note: NAWSC makes every effort to keep the list of certified testers current, however, there may occasionally be inaccurate information on this site. Individuals that need to obtain the services of a certified tester should ask the tester if his or her certification is still current. Certified testers have the responsibility to keep their phone numbers current by informing this office if there is any change. NAWSC is not responsible for any damages to any party due to inaccurate information contained in this listing.
| Certification Number | Cert. Type | Business Name | Name | Phone | Expiration Date | |
|---|---|---|---|---|---|---|
| 14627 | 5110 - Tester | Professional Backflow Solutions | Asa C. McCollum | 610-348-0864 | professionaloperation@gmail.com | 8/31/2027 |
| 16239 | 5130 - Repairer | Ron G. Bartos | 6/30/2026 | |||
| 23189 | 5110 - Tester | Peter Gergo | 10/31/2026 | |||
| 25625 | 5110 - Tester | Joseph N. Henderson | 2/28/2026 | |||
| 26341 | 5110 - Tester | Paul L. Failor | 4/30/2026 | |||
| 17616 | 5110 - Tester | Richard P. Davis | 610-825-1478 | billdavis.plumb@yahoo.com | 2/28/2026 | |
| 46784 | 5110 - Tester | Jason Rolfe | 10/31/2026 | |||
| 20221 | 5110 - Tester | Timothy M. Brooks | 6/30/2026 | |||
| 25673 | 5110 - Tester | Mark J. Miller | 3/31/2027 | |||
| 15445 | 5110 - Tester | Joseph J. Battavio | 4/30/2026 | |||
| 20218 | 5130 - Repairer | Michael S. Gatlos | 2/28/2026 | |||
| 36623 | 5110 - Tester | Peter O. Carson | 10/31/2026 | |||
| 49047 | 5110 - Tester | Ryan A. Papich | 3/31/2027 | |||
| 27987 | 5110 - Tester | Mark Joseph | 2/28/2027 | |||
| 4263 | 5130 - Repairer | Anthony M. Cantando | 2/28/2026 | |||
| 16169 | 5110 - Tester | Nicholas W. D'Antonio | 4/30/2026 | |||
| 36623 | 5130 - Repairer | Peter O. Carson | 10/31/2026 | |||
| 15445 | 5130 - Repairer | Joseph J. Battavio | 4/30/2026 | |||
| 32961 | 5130 - Repairer | Blair E. Jury | 11/30/2025 | |||
| 44414 | 5110 - Tester | PAWSC | Brian Siewell | 570-655-8633 | BackflowServices@pawsc.com | 7/31/2028 |
| 36634 | 5110 - Tester | Charles J. Tyson | 10/31/2026 | |||
| 44904 | 5110 - Tester | William P. Davis | 610-825-1478 | billdavis.plumb@yahoo.com | 1/31/2026 | |
| 36634 | 5130 - Repairer | Charles J. Tyson | 10/31/2026 | |||
| 15444 | 5130 - Repairer | Dominic J. Marchesani | 4/30/2026 | |||
| 25436 | 5130 - Repairer | Michael D. Montgomery | 10/31/2025 | |||
| 17616 | 5130 - Repairer | Richard P. Davis | 610-825-1478 | billdavis.plumb@yahoo.com | 2/28/2026 | |
| 25625 | 5130 - Repairer | Joseph N. Henderson | 2/28/2026 | |||
| 17616 | 5130 - Repairer | Bill Davis PLB | Richard P. Davis | 610-825-1478 | billdavis.plumb@yahoo.com | 2/28/2026 |
| 15441 | 5110 - Tester | Thomas J. Gallagher | 2/28/2026 | |||
| 43849 | 5110 - Tester | One Way Backflow | Daniel Meyer | 610-466-5641 | office@onewaybackflow.com | 4/30/2028 |
| 44389 | 5110 - Tester | Frank P. Scarpato | 11/30/2025 | |||
| 21815 | 5130 - Repairer | Gregory E. Ribick | 2/28/2027 | |||
| 21894 | 5110 - Tester | Sean F. Crossan | 3/31/2026 | |||
| 20906 | 5130 - Repairer | Brian S. Welsh | 5/31/2026 | |||
| 25621 | 5110 - Tester | Keith C. Tinsman | 1/31/2026 | |||
| 20035 | 5110 - Tester | Mark A. Nichols | 3/31/2026 | |||
| 20218 | 5110 - Tester | Michael S. Gatlos | 2/28/2026 | |||
| 15441 | 5130 - Repairer | Thomas J. Gallagher | 2/28/2026 | |||
| 27550 | 5110 - Tester | Ryan's Backflow Service | Ryan P. Effat | 484-459-1470 | ryansbackflows@gmail.com | 11/30/2026 |
| 23189 | 5130 - Repairer | Peter Gergo | 10/31/2026 | |||
| 36629 | 5110 - Tester | Andrew D. DiEugenio | 12/31/2026 | |||
| 34929 | 5110 - Tester | Christopher A. Simpson | 2/28/2026 | |||
| 21478 | 5110 - Tester | PAWSC | Rocco S. Yanora | 570-655-8633 | BackflowServices@pawsc.com | 10/31/2026 |
| 21810 | 5110 - Tester | Harry R. Hill | 3/31/2027 | |||
| 9431 | 5110 - Tester | David J. Gallagher | 10/31/2026 | |||
| 21815 | 5110 - Tester | Gregory E. Ribick | 2/28/2027 | |||
| 27142 | 5110 - Tester | Matthew P. Gibbons | 3/31/2027 | |||
| 26097 | 5110 - Tester | Robert A. Stecher | 3/31/2026 | |||
| 16239 | 5110 - Tester | Ron G. Bartos | 6/30/2026 | |||
| 9431 | 5130 - Repairer | David J. Gallagher | 10/31/2026 | |||
| 4263 | 5110 - Tester | Anthony M. Cantando | 2/28/2026 | |||
| 34231 | 5110 - Tester | Brett M. Levinson | 2/28/2026 | |||
| 21478 | 5130 - Repairer | PAWSC | Rocco S. Yanora | 570-655-8633 | BackflowServices@pawsc.com | 10/31/2026 |
| 17616 | 5110 - Tester | Bill Davis PLB | Richard P. Davis | 610-825-1478 | billdavis.plumb@yahoo.com | 2/28/2026 |
| 25673 | 5130 - Repairer | Mark J. Miller | 3/31/2027 | |||
| 20906 | 5110 - Tester | Brian S. Welsh | 5/31/2026 | |||
| 26176 | 5110 - Tester | Stephen J. Clark | 3/31/2026 | |||
| 21894 | 5130 - Repairer | Sean F. Crossan | 3/31/2026 | |||
| 25622 | 5130 - Repairer | Frederick C. Wendig | 10/31/2025 | |||
| 27987 | 5130 - Repairer | Mark Joseph | 2/28/2027 | |||
| 4977 | 5130 - Repairer | John McCuen Backflow Services | John McCuen Jr | 610-804-5140 | Service@mccuenbackflow.com | 2/28/2026 |
| 27550 | 5130 - Repairer | Ryan's Backflow Service | Ryan P. Effat | 484-459-1470 | ryansbackflows@gmail.com | 11/30/2026 |
| 15444 | 5110 - Tester | Dominic J. Marchesani | 4/30/2026 | |||
| 4977 | 5110 - Tester | John McCuen Backflow Services | John McCuen Jr | 610-804-5140 | Service@mccuenbackflow.com | 2/28/2026 |
| 20229 | 5110 - Tester | Michael P. Kane | 3/31/2026 | |||
| 25436 | 5110 - Tester | Michael D. Montgomery | 10/31/2025 | |||
| 56330 | 5110 - Tester | ERL Backflow Testing, LLC | Ed Leyden | 610-405-5470 | erlbackflow@yahoo.com | 4/30/2026 |
| 21810 | 5130 - Repairer | Harry R. Hill | 3/31/2027 | |||
| 44414 | 5130 - Repairer | PAWSC | Brian Siewell | 570-655-8633 | BackflowServices@pawsc.com | 7/31/2028 |
| 32961 | 5110 - Tester | Blair E. Jury | 11/30/2025 | |||
| 16169 | 5130 - Repairer | Nicholas W. D'Antonio | 4/30/2026 | |||
| 47453 | 5110 - Tester | Mansel Backflow Services | Miles Ansel | 717-721-0277 | manselbackflow@gmail.com | 1/31/2027 |
| 43849 | 5130 - Repairer | One Way Backflow | Daniel Meyer | 610-466-5641 | office@onewaybackflow.com | 4/30/2028 |
| 27671 | 5110 - Tester | Shaun T. Epps | 12/31/2026 | |||
| 14627 | 5130 - Repairer | Professional Backflow Solutions | Asa C. McCollum | 610-348-0864 | professionaloperation@gmail.com | 8/31/2027 |
| 28239 | 5110 - Tester | Matthew T. Green | 2/28/2027 | |||
| 25622 | 5110 - Tester | Frederick C. Wendig | 10/31/2025 | |||
| 20221 | 5130 - Repairer | Timothy M. Brooks | 6/30/2026 | |||
| 25605 | 5110 - Tester | Christopher P. Hansell | 1/31/2026 | |||
| 25668 | 5110 - Tester | James F. Lauf | 1/31/2026 |