CONDUIT AT THE LAKE. The following table shows the varying depths of the water in the conduit at the gate-house, the number of days in each month that the water was running at those depths, and the average depth for each month. Average Monthly Depths. Average Monthly and Yearly Heights, in feet and decimals, of the Water in the Brookline, Beacon Hill, South and East Boston Reservoirs, above "tide marsh level," 1861-9. 1861. 1862. 1863. 1864. 1865. 1866. 1867. 1868. 1869. 1861. 1862. 1863, 1864. 1865. 1866. 1867. 1868. 1869. | | | | 122.81 122.46 123.64 122.37 | 123.31 122.28 122.00 123.29 122.58 123 | | | | | Yearly Average, 123.52 123.56 123.19 122.87 123.21 122.89 122.69 122.65 122.48 | | | | | | 116.74 117.20 116.85 118.55 120.14 119.78 120.84 119.03 118.45 Average monthly and yearly heights, etc.—Continued. SOUTH BOSTON. Maximum high water line, 122.86. EAST BOSTON. Maximum high water line, 107.60. 1867. 1868, 1869. | 1861. 1862. 1863. 1864. 1865. 1866. 1867. 1868. 1869.|| 1861. 1862. 1863. 1864. 1865. 1866. 1867. 1868. 1869. January | | 115.03 113.66 115.73 110.63 114.21 114.38 112.46 111.15 111.15 95.37 96.26 February | 115.07 114.08 115.54 110.94 113.42 114.44 111.36 111.15 | 111.34 93.05 94.94 March | | | | | 115.12 114.12 115.36 111.13 113.64 113.51 111.74 | 111.11 111.63 94.60 95.75 April | | | 115.32 114.93 114.78 112.07 114.82 114.99 111.88 111.55 111.98 98.07 96.71 95.65 96.16 96.52 96.47 90.91 | | | | | 112.58 114.22 111.39 109.06 114.91 114.32 111.19 112.15 111.51 96.22 95.99 91.10 94.22 93.91 93.71 91.82 July | 110.91 114.23 109.75 108.57 114.36 113.96 111.53 111.53 111.19 95.00 96.13 (0.43 August | 112.92 114.03 109.80 109.53 113.80 114.07 111.90 111.53 110.65 September October 112.96 114.04 109.64 110.21 113.69 113.41 111.70 111.44 108.76 | 114.68 114.24 109.90 112.49 112.89 112.74 111.29 111.44 113.15 97.34 93.96 91.23 95.76 95.57 91.96 95.56 91.80 95.02 97.55 93.38 November December | | | | 114.14 115.94 111.25 112.49 112.74 112.03 111.26 111.44 113.76 | 113.79 116.35 109.90 113.89 113.78 112.62 111.08 111.11 118.88 Shut off for repairs. 99.40 96.85 Shut off for repairs. Shut off for repairs. 93.47 89.79 97.27 94.34 92.29 92.57 Yearly average, 113.86 114.63 | 112.14 111.05 | 113.97 113.78 111.59 111.44 111.74 96.05 MONTH. WATER REGISTRAR'S REPORT. N. J. BRADLEE, Esq. WATER REGISTRAR'S OFFICE. BOSTON, May 2, 1870. President of the Cochituate Water Board. SIR, The Water Registrar, in compliance with the provi. sions of the ordinance providing for the care and management of the Boston Water Works, respectfully presents to the Cochituate Water Board his annual report for the year 1869. The total number of the water takers now entered for the year 1870, is 31,500, being an increase since January 1, 1869, of 1,762. The total number of cases where the water has been turned off for non-payment of rates during the year is 697. Of this number 555 have been turned on, leaving a balance of 142 still remaining off. The total amount of water rates received from April 30, 1869, to May 1, 1870, is. $655,217 29 Less amount paid the City of Charlestown for Mystic water as per contract Amount carried forward, 25,765 81 $629,451 48 $629,451 48 Amount brought forward Of this amount there was received for water used in previous years the sum of Leaving the receipts for water furnished during the financial year 1869 and 1870, the sum of In addition to the above there has been received for turning on water in cases where it had been turned off for non-payment of rates, the sum of $47,279 99 607,937 30 1,058 00 $630,509 48 The increased amount of income for the financial year ending April 30, 1870, over the The items of this expenditure are as follows, viz: |