EoSTO?mJBLIC LIBHAHY 3 9999 06544 659 1 Hal NO1SO0 JO All) 3 Hi. JO mm lend hhj IIi www!MH BIBS' HIMMHI Public Document No. 48 i arfje Commontoealtf) of jffla££acJ)U£ette ANNUAL REPORT OP THE Metropolitan District Commission For the Year ending November 30, 1930 Publication op this Document approved by the Commission on Administration and Finance 1 m-7-'31. No. 28GU. Mass. Secretary of tne Commonwealth CONTENTS I. Organization and Administration .... Commission, Officers and Employees II. General Financial Statement .... III. Construction ....... IV. Parks and Reservations ..... V. Police ........ VI. Charles River Basin ...... VII. Office Building ....... VIII. Rainfall and Consumption of Water IX. Tercentenary Exposition ..... X. Special Investigations ...... XI. Other Reports ....... Report of the Director and Chief Engineer of Park Engineering Organization ........ Construction and Maintenance Work Plans, Studies and Estimates ..... Lighting of Parkways and Boulevards Permits ......... Ice Breaking in Basin ...... Financial Data relating to Metropolitan Park System Report of the Director and Chief Engineer of Water Division Organization Metropolitan Water District and Works Construction ........ Meters and Connections ..... Weston Aqueduct Supply Mains .... Northern High Service Pipe Lines .... Chlorinating Plants at Weston and Sudbury Aqueducts Maintenance . ...... Precipitation and Yield of Watersheds Storage Reservoirs ...... Wachusett Reservoir ..... Sudbury Reservoir ... Framingham Reservoir No. 3 Ashland, Hopkinton and Whitehall Reservoirs Framingham Reservoirs Nos. 1 and 2 and Farm Pond Lake Cochituate Aqueducts Protection of the Water Supply Clinton Sewage Disposal Works Forestry .... Hydroelectric Service Distribution Pumping Stations Distribution Reservoirs Distribution Pipe Lines Consumption of Water . Water from Metropolitan Water Works Sources used outside of the Metropolitan Water District Report of the Director and Chief Engineer of Sewerage Division Organization ........ Metropolitan Sewerage Districts .... Areas and Populations . Metropolitan Sewers ...... Sewers purchased and constructed and their Connections Construction ........ North Metropolitan Sewerage System Maiden, Revere and Everett Surface Drainage System II P.D. 48 PAGE South Metropolitan Sewerage System 40 New Neponset Valley Sower 40 New Neponset Valley Sewer—Sections 109 and 1 10 40 Section 109 part . 41 Section 110- part . 41 Section ill. 41 Section 112 . 41 Section 113 . 41 Section 114 42 Section 115 . 42 Section 116 . 42 Remaining Sections 42 Massachusetts Air Terminal nd A rena, Inc. Brain tree- Weymouth Branch 42 Maintenance . 43 Scope of Work and Force employed 43 East Boston Pumping Station 43 Deer Island Pumping Station 43 Alewife Brook Pumping Station 44 Harvard College Service Tunnel 44 Ward Street Pumping Station 44 Exchange of land with Wentworth Institute 44 Nut Island Screen-house 44 Gasoline in Public Sewers 45 Data relating to Areas and Populations contributing Sewage to Metropolitan Sewerage System 46 North Metropolitan System 46 South Metropolitan System 47 Whole Metropolitan System 48 Pumping Stations 49 Capacities and Results . 49 North Metropolitan System 49 South Metropolitan System 49 Metropolitan Sewerage Outfalls 50 Material intercepted at the Screens 51 Financial Statement 52 Parks Division 52 Sewerage Division ... 67 Water Division ... 74 Appendix No. 1. —Contracts relating to the Metropolitan Parks Di- vision made and pending during the year 1930 . 80 Appendix No. 2.—Contracts relating to the Metropolitan Water Works made and pending during the year 1930 . 82 Appendix No. 3.—Tables relating to the Maintenance of the Metro- politan Water W^orks ..... 87 Table No. 1.—Monthly Rainfall in Inches at Various Places on r the Metropolitan W ater Works in 1930 87 2. Table No. —Rainfall in Inches at Chestnut Hill Reservoir, 1930 . 88 Table No. 3.—Wachusett System—Statistics of Flow of Water Storage and Rainfall in 1930 .... 89 Table No. 4.—Sudbury System—Statistics of Flow of Water, Storage and Rainfall in 1930 .... 90 Table No. 5.— Cochituate System—Statistics of Flow of Water, Storage and Rainfall in 1930 .... 91 Table No. 6.—Sources from which and Periods during which Water has been drawn for the Supply of the Metropolitan Water District . 92 Table No. 7.—Average Daily Quantity of Water flowing through Aqueducts in 1930 by Months .... 93 P.D. 48 111 PAGE Table No. 8.— (Meter Basis) Average Daily Consumption of Water by Districts in the Cities and Towns supplied by the Metropolitan Water Works in 1930 . .94 Table No. 9.— (Meter Basis) Average Daily Consumption of Water in Cities and Towns supplied by the Metropolitan Water Works in 1930 96 Table No. 10. —Chemical Examinations of Water from the Wachu- sett Reservoir, Clinton, 1930 . .98 Table No. 11. —Chemical Examinations of Water from the Sud- bury Reservoir, 1930 . .99 Table No. 12. —Chemical Examinations of Water from Spot Pond, Stoneham, 1930 99 Table No. 13. —Chemical Examinations of Water from Lake Co- chituate, 1930 100 Table No. 14. —Chemical Examinations of Water from a Tap at the State House, Boston, 1930 . .100 Table No. 15. —Chemical Examinations of Water from a Tap in Boston, 1898-30 101 Table No. 16. —Number of Bacteria per Cubic Centimeter in Water from Various Parts of the Metropolitan Water Works, 1898-30 101 Table No. 17. —Colors of Water from Various Parts of the Metro- politan Water Works in 1930 . .102 Table No. 18. —Temperatures of Water from Various Parts of the Metropolitan Water Works in 1930 . .103 Table No. 19. —Length of Metropolitan Water Works Main Lines and Connections and Number of Valves set in Same, Dec. 31, 1930 . .104 Table No. 20. —Length of Metropolitan Water Works Hydrant, Blow-off and Drain Pipes, Dec. 31, 1930 . 105 Table No. 21. —Length of Metropolitan Water Works Main Lines and Connections and Water Pipes, Four Inches in Diameter and Larger, in the Several Cities and Towns in the Metropolitan Water District, Dec. 31, 1930 106 Table No. 22. —Number of Service Pipes, Meters, Per cent of Services Metered, Fire Services and Fire Hy- drants in the Several Cities and Towns in the Metropolitan Water District, Dec. 31, 1930 . 107 Table No. 23. —Elevation of the Hydraulic Grade Line, in Feet, above Boston City Base for Each Month at Stations on Metropolitan Water Works during 1930 108 Appendix No. 4. -Contracts made and pending during the year 1930- Sewerage Division . .110 REPORT OF THE METROPOLITAN DISTRICT COMMISSION To the Honorable Senate and House of Representatives of the Commonwealth of Massachusetts in General Court assembled. The Metropolitan District Commissioner has already presented to your Honorable Body an abstract of the account of the receipts, expenditures, disbursements and liabilities of the Metropolitan District Commission for the fiscal year ending on November 30, 1930, and now, in accordance with the provisions of section 100 of chapter 92 of the General Laws, presents a detailed statement of its doings for the calendar year ending on December 31, 1930. ELEVENTH ANNUAL REPORT I. ORGANIZATION AND ADMINISTRATION Commission, Officers and Employees The term of office of George B. Wason expired on November 30, 1930, and he was reappointed for the term of five years next succeeding. The membership of the Commission has consequently remained as in the preced- ing year: Davis B. Keniston, Commissioner, Frank A. Bayrd, George B. Wason, William F. Rogers and Charles H. J. Kimball, Associate Commis- sioners. William E. Whittaker has continued as Secretary of the Commission and the following as Directors and Chief Engineers: of Park Engineering, Edwin H. Rogers; of the Sewerage Division, Frederick D. Smith; of the Water Division, William E. Foss. The maximum number of employees during the year was 1,687, divided as follows: general offices, 33; parks, 1,002; water, 401; sewerage, 251. II. GENERAL FINANCIAL STATEMENT Year ending November SO, 1930 Expended for construction . 51,471,601.97 Expenditures, miscellaneous .... 421,459.49 Expenditures for maintenance 4,129,218.47 Total expenditures ..... 6,022,279.93 Unexpended balance, maintenance appropriations 889,626.43 Serial bonds and notes issued .... 1,250,000.00 Serial bonds, sinking fund bonds and notes paid 7,378,687.50 Decrease in sinking funds .... 4,266,991.34 Decrease in net debt ..... 1,861,696.16 On November 30, 1930 Net debt $30,683,473.20 III. CONSTRUCTION The injunction against proceeding with the work upon the Maiden, Ev- erett and Revere drainage channel, which has been pending before the Supreme Court since July 28, 1926, was dissolved on February 6, 1930. Construction started in May and was substantially completed during the year. In the New Neponset Valley Sewer extension to the towns of Canton, Norwood, Stoughton and Walpole, Sections 107 and 108, 7,348 feet in length, were completed; construction continued upon Section 109, 4,450 feet in length and contracts were let for the construction of seven new sections, from 110 to 116, both inclusive, 36,830 feet in length. The remaining five upper sections in Norwood and Canton will be let early in the coming year. By Chapter 419 of the Acts of 1930 the Town of Weymouth was added to the South Metropolitan Sewerage District, subject to the acceptance of the act by the town meeting members not later than May 1, 1931. During 2 P.D. 48 the year plans and surveys have been under way for an additional line with pumping station to Berve the towns of Braintree and Weymouth and the Adams Short 1 section of Quinoy. A