| 2026-06-01 | WSNA419 | MW | A | Washington Suburban Sanitary Commission |
| 2026-02-09 | WSLP427 | MW | A | Washington Suburban Sanitary Commission |
| 2025-04-22 | WPHU768 | IG | A | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2024-04-26 | WQUA358 | IG | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2024-04-26 | WQAB686 | IG | A | Washington Suburban Sanitary Commission |
| 2023-12-21 | WRZW819 | MW | T | Washington Suburban Sanitary Commission |
| 2023-11-08 | WPZH444 | IG | A | Washington Suburban Sanitary Commission |
| 2023-09-14 | KA6519 | IG | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2023-09-14 | KUO833 | PW | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2023-09-14 | WPYW759 | MW | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2023-09-14 | WPYW760 | MW | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2023-09-14 | KGB252 | IG | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2023-05-16 | WPYB849 | PW | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2023-05-16 | WPYC291 | PW | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2023-01-07 | WRVU694 | IG | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2022-11-02 | WNEX554 | MG | A | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2022-11-02 | WNEI794 | MG | A | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2022-11-02 | WPNJ295 | MG | A | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2022-11-02 | WNEI795 | MG | A | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2022-11-02 | WPNJ293 | MG | A | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2022-10-27 | WNEI792 | MG | A | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2022-09-23 | WPBE878 | IG | A | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2022-09-23 | WPNJ294 | MG | A | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2022-09-14 | WNEX553 | MW | A | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2022-07-06 | KNDY647 | IG | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2022-06-22 | WNCC511 | IG | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2022-05-14 | WPAC728 | IG | A | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2022-05-14 | KGS436 | IG | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2022-05-14 | KUO834 | IG | A | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2022-01-26 | WNTM685 | MW | A | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2022-01-26 | WNTM684 | MW | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2022-01-26 | WNTM683 | MW | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2022-01-21 | WNYH460 | PW | A | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2019-12-11 | WQLJ873 | MW | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2019-12-11 | WQLK838 | MW | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2019-10-29 | WNEG558 | MW | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2019-09-04 | WNEG571 | MW | A | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2019-09-04 | WNEG560 | MW | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2019-09-04 | WNEG559 | MW | A | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2019-09-04 | WNEG561 | MW | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2018-12-14 | WNEG574 | MW | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2018-12-14 | WNEG563 | MW | A | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2018-12-14 | WNTB302 | MW | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2018-12-14 | WPNM562 | MW | A | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2018-12-07 | WQJW861 | MW | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2018-12-07 | WNEG570 | MW | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2018-12-07 | WNTS943 | MW | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2018-12-07 | WQJW860 | MW | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2018-08-14 | WNEV222 | MG | A | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2018-08-14 | WNEI793 | MG | A | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2018-08-14 | WNTM686 | MW | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2018-07-20 | WRBX890 | MG | A | Washington Suburban Sanitary Commission |
| 2018-02-06 | WNEG567 | MW | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2018-02-06 | WNEG572 | MW | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2018-01-10 | WQIM496 | MW | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2018-01-10 | WQIM687 | MW | A | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2015-07-07 | WPKC708 | PW | E | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2014-05-31 | KV2262 | PW | E | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2014-05-31 | WNQF503 | IG | E | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2012-09-07 | WPWC207 | IG | E | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2011-11-11 | KAW942 | IG | E | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2011-04-27 | WNWQ957 | IG | E | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2008-02-29 | WNEG569 | MG | C | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2008-02-29 | WNTF768 | MG | C | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2008-02-29 | WNEG573 | MG | C | WASHINTON SUBURBAN SANITARY COMMISSION |
| 2007-11-27 | WNTQ436 | MG | C | WASHINGTON SUBURBAN SANITARY COMMISSION |
| 2002-01-10 | WPTX974 | IG | E | Washington Suburban Sanitation Comm. |
| 1999-06-22 | WNEG562 | MG | C | WASHINTON SUBURBAN SANITARY COMMISSION |
| 1999-06-22 | WNEG566 | MG | C | WASHINTON SUBURBAN SANITARY COMMISSION |
| 1998-04-22 | WNEG565 | MG | C | WASHINTON SUBURBAN SANITARY COMMISSION |
| 1996-02-20 | WPJD353 | MG | C | WASHINGTON SUBURBAN SANITARY COMMISSION |