Annual financial and narrative report of department activities. Includes 1891, 1894-1968, 1975-1976, and 1978-1985.

Correspondence of the assistant City Engineer relating to improvements, construction, and extension of the Seattle water supply system.

Information requests, contracts for supplies, orders for supplies, notices of appointment, and general correspondence relating to the City's water system.

First ledger of City water system following the purchase of Spring Hill Water Company and creation of water fund. Includes tap number, street, house number, occupancy type, owner, payer, property and characteristics of property, monthly rate, and payments by month. This is essentially a register of taps, similar to Record Series 8202-01. Ledger cover reads "Water Ledger of the Spring Hill Water Company for 18 ."

Estimates of costs for replacing pipe, construction of reservoirs, system repairs, and building aqueducts. Includes calculations, specifications, and drawings.