| | Date | Description | Links | Box | MSA Citation |
| Details | 1829, 1835, 1852-1855 | HRS 1165-1183 (1829), 1238-1239 (1835), 189-213 (1852), 321-347 (1853), 326-380 (1854), 67-93 (1855) | | 1 | BRG25-1-1 |
| Details | 1856-1858 | HRS 165-177 (1856), 341-451 (1857), 41-140 (1858) | | 2 | BRG25-1-2 |
| Details | 1858-1862 | HRS 141-175 (1858), 42-135 (1860), 208-253A (1861), 117-163 (1862) | | 3 | BRG25-1-3 |
| Details | 1862-1865 | HRS 164-175 (1862), 69-156 (1863), 95-104 (1864), 39-52 (1865) | | 4 | BRG25-1-4 |
| Details | 1865-1866 | HRS 53-111 (1865), 92-115 (1866) | | 5 | BRG25-1-5 |
| Details | 1866-1867 | HRS 116-133 (1866), 128-144 (1867) | | 6 | BRG25-1-6 |
| Details | 1867-1869 | HRS 145-175 (1867), 158-173 (1868), 101-106 (1869) | | 7 | BRG25-1-7 |
| Details | 1869-1872 | HRS 106-107 (1869), 2158-2166 (1870), 1399-1402 (1871), 589-640 (1872) | | 8 | BRG25-1-8 |
| Details | 1872-1873 | HRS 641-735 (1872), 263-340 (1873) | | 9 | BRG25-1-9 |
| Details | 1873-1875 | HRS 341-370 (1873), 1874 (371-460), 1875 (355-620) | | 10 | BRG25-1-10 |
| Details | 1875-1876 | HRS 621-749 (1875), 717-862 (1876) | | 11 | BRG25-1-11 |
| Details | 1876-1877 | HRS 863-901 (1876), 674-783 (1877) | | 12 | BRG25-1-12 |
| Details | 1877-1878 | HRS 784-830 (1877), 619-740 (1878) | | 13 | BRG25-1-13 |
| Details | 1878-1879 | HRS 741-803 (1878), 351-496 (1879) | | 14 | BRG25-1-14 |
| Details | 1880-1882 | HRS 139-140 (1880), 133-148 (1881), 140-160 (1882) | | 15 | BRG25-1-15 |
| Details | 1882 | HRS 161-202 | | 16 | BRG25-1-16 |
| Details | 1883-1886 | HRS 256 (1883), 231-234 (1884), 168-169 (1885), 324-628 (1886) | | 17 | BRG25-1-17 |
| Details | 1886-1888 | HRS 629 (1886), 199-219 (1887), 525-554 (1888) | | 18 | BRG25-1-18 |
| Details | 1888-1891 | HRS 555-557 (1888), 345-354 (1889) 613-628 (1890), 429-438 (1891) | | 19 | BRG25-1-19 |
| Details | 1892 | HRS 166-295 | | 20 | BRG25-1-20 |
| Details | 1892-1894 | HRS 296-318 (1892), 68-87 (1893), 119 (January-August, 1894) | | 21 | BRG25-1-21 |
| Details | 1894 | HRS 119 (September-December)-236 | | 22 | BRG25-1-22 |
| Details | 1894-1895 | HRS 237-365 (1894), 102-116 (1895) | | 23 | BRG25-1-23 |
| Details | 1895 | HRS 117-305 | | 24 | BRG25-1-24 |
| Details | 1895-1896 | HRS 306-328 (1895), 410-520 (1896) | | 25 | BRG25-1-25 |
| Details | 1896 | HRS 521-764 | | 26 | BRG25-1-26 |
| Details | 1896 | HRS 765-1010 | | 27 | BRG25-1-27 |
| Details | 1896-1897 | HRS 1011-1030 (1896), 390-444 (1897) | | 28 | BRG25-1-28 |
| Details | 1897-1898 | HRS 445-565 (1897), 191-197 (1898) | | 29 | BRG25-1-29 |
| Details | 1898-1901, 1904-1905 | HRS 198-213 (1898), 149-164 (1899), 104-105 (1900), 57 (1901), 140 (1904), 163-180 (1905) | | 30 | BRG25-1-30 |
| Details | 1906-1909 | HRS 455-494 (1906), 88-95 (1907), 80-89 (1908), 41-45 (1909) | | 31 | BRG25-1-31 |
| Details | 1909-1910, 1912-1915, 1921-1922 | HRS 46-64 (1909), 197-206 (1910), 275-277 (1912), 472-474 (1913), 9 (1921), Additional records not indexed by the HRS (1909-1910, 1913-1915, 1921-1922) | | 32 | BRG25-1-32 |
| Details | 1920 | Final report of the engineers appointed to consider extensions to the Baltimore city water supply. [Annapolis, Capital press] Baltimore (Md.), 1920. Water Board. Three volumes, of which the Baltimore City Archives has images of Volume II only, including map. All three volumes are available at the Pratt Library. | | | BRG25-1-33 |
| Details | | Water Department. Administrative Files. Oversized | | | BRG25-1-34 |