Lead Service Line Replacement Data
The below table summarizes DC Water’s lead service line replacement counts by fiscal year (October 1- September 30). The table itemizes replacements as categorized by the definitions below. Replacement counts will be updated at the end of each fiscal year.
The data reflected in the table below is based upon the available pipe material information at the time of the replacement.
Lead Service Line Replacement Categories
Public Full Replacement – Lead or galvanized pipe was removed and replaced with copper on the public side. The existing pipe material was verified non-lead on the private side. The premise now contains verified non-lead pipe material for the full length of service line.
Private Full Replacement – Lead or galvanized pipe was removed and replaced with copper on the private side. The existing pipe material was verified non-lead on the public side. The premise now contains verified non-lead pipe material for the full length of service line.
Full Replacement – Lead or galvanized pipe was removed and replaced with copper on both the public and private side. The premise now contains verified non-lead pipe material for the full length of service line.
Public Partial – Lead or galvanized pipe was removed and replaced with copper on the public side. Due to customer refusal or construction challenges (such as older, abandoned or unstable building structures), the private side was not completed.
Fiscal Year | Public Full Replacement | Private Full Replacement | Full Replacement | Public Partial | Total |
2012 | 48 | 14 | 38 | 144 | 244 |
2013 | 44 | 7 | 34 | 154 | 239 |
2014 | 70 | 10 | 139 | 81 | 300 |
2015 | 129 | 12 | 158 | 228 | 527 |
2016 | 95 | 40 | 253 | 249 | 637 |
2017 | 116 | 23 | 310 | 121 | 570 |
2018 | 78 | 24 | 313 | 145 | 560 |
2019* | 68 | 34 | 341 | 67 | 510 |
2020* | 51 | 165 | 302 | 21 | 539 |
2021* | 94 | 246 | 522 | 23 | 885 |
2022* | 283 | 326 | 1,088 | 33 | 1,730 |
2023* | 274 | 408 | 834 | 36 | 1,552 |
Total | 1,350 | 1,309 | 4,332 | 1,302 | 8,293 |
*Years where replacements were organized under Lead Free DC. Use the LFDC Public Dashboard to view the the latest Lead Free DC replacement data.