USA > Massachusetts > Norfolk County > Braintree > Town annual report of Braintree, Massachusetts for the year 1895 > Part 4
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REPLY OF FREEMAN C. COFFIN TO INQUIRY OF WATER COMMISSIONERS OF RANDOLPH AND HOLBROOK.
BOSTON, Jan. 6, 1896. To the Joint Board of Water Commissioners of Randolph and Holbrook :
GENTLEMEN :- I submit the following report upon the ques- tion of the taking of water from Great Pond by the town of Braintree :
DATA.
I have obtained the following data as to area of watershed and area and capacity of pond from the notes of the late M. M. Tidd :
Area of pond at high water, 157.75 acres
Area of pond 4 feet above high water 272.75 acres
Capacity of pond at high water 466,677,000 gallons
Capacity of pond 4 feet above high water 747,966,000 gallons Capacity of pond 4 feet below high water 289,645,000 gallons Capacity of pond 8 feet below high water 76,807,000 gallons
Area of watershed 2,240 acres=3.5 square miles.
Estimated quantity of water to be obtained in a dry year from the source :
1st. With high water line as at present, and the limit of draft 4 feet below same, total daily capacity=1,240,000 gallons.
2nd. With high water line as at present, and the limit of draft 8 feet below same, total daily capacity=2,000,000 gallons.
87
3rd. With high water 4 feet above present line, and the limit of draft 4 feet below present line, total daily capacity =2,000,000 gallons.
4th. With high water 4 feet above present line, and the limit of draft 8 feet below present line, total daily capacity =2,360,000 gallons.
As the bottom of your conduit pipe is but 10 feet below the high water line, it would not be advisable to draw the water in the pond to a point lower than 8 feet below high water line. I see no objection however to drawing it to that point if it should become necessary.
The level of the pond can be raised to a point 4 feet above the present high water line, with comparatively small expense for a dam, but in doing so it would flow 115 acres more than the present surface of the pond and all of this area would be 4 feet and less below high water. This would make it necessary to clean from it all mud, loam or vegetable matter. I do not know how much mud, etc., there is upon this area. If it should aver- age only one foot in depth the cost of clearing would be ap- proximately $500 per acre or $57,500.
It follows that unless you are prepared to expend from $60,000 to $75,000 in construction and improvements, that our estimates must be based upon the present high water line.
Estimate No. 2, of the daily capacity of the source is there- fore the one which we must use. This estimate is 2,000,000 gal- lons per day as the allowable draft in a dry year.
This is 666,666 gallons per day for each of the three towns allowing one-third to each town.
METHODS OF CONTROLLING AND MEASURING THE DRAFT.
The Towns of Randolph and Holbrook have in their pump- ing machinery a means of measuring all of the water which is drawn by them from the pond. The Town of Braintree proposes to draw the water by gravity through a conduit into Little Pond, and using that as a reservoir, pump into their system.
As the water from Great Pond will be mixed with that of
88
Little Pond, their pumping machinery can not, in this case, be used as a means of measuring it.
The amount to be drawn cannot be controlled by the size of the conduit, for the head or difference in levels of the two ponds will be constantly changing, and as this head is an important ele- ment in the discharging capacity of a pipe, its variation will affect the quantity of the discharge.
Nor would it be desirable for the town of Braintree to be limited to a pipe of just sufficient capacity to supply their pro- portional amount. It will be to the advantage of the three towns that Braintree should be able to draw at times, greatly in excess of that quantity, and at other times less, or none at all.
This source has a water shed of such proportions to the storage capacity, that there will be a large wastage of water at certain seasons. At such times there will be no objection to any town drawing all that it wishes until the wastage ceases.
As the draft approaches the limit of the supply, there will be seasons of the year when the water will not run over the dam ; in such seasons any town may draw at such times and at such rates as it wishes, without prejudice to the other towns, provided its total draft for the dry season does not exceed its proper pro- portion.
With the above in mind, and after considerable thought, I am of the opinion that a "Venturi Meter" is the device which, all things considered, will give the greatest satisfaction, and be the most efficient means of controlling and measuring the water.
It should be installed in the pipe line near the pond, and its recording mechanism be enclosed in a suitable building acces- sible only to the commissioners of each town or their agents.
There should be a by-pass and arrangement of gates as shown on sketch sent herewith.
The gates should have indicator stands to show whether open or closed. The recording mechanism of the meter should be locked up and the commissioners of each town provided with a key.
In recommending this form of meter, I do it in the belief that its practical working is as satisfactory as its theoretical per. fection. As I have never had a practical experience with it, I
89
should advise that enquiries be made of its performance in act- ual service.
I presume that Braintree will put in not less than a 14 or 15 inch pipe, as there are stages of the ponds when a 12 inch pipe will deliver only about 600,000 gallons in twenty-four hours. I should, however, recommend a 12 inch meter. This size will register the passage of as small an amount as 144,000 gallons in twenty-four hours, and will register as much as the 15 inch pipe can deliver laid as proposed in the report of the Town of Brain- tree for 1894.
When discharging at the rate of 666,600 gallons per day, the loss of head through the meter is but .36 of one foot.
The friction or loss of head through other forms of meters would be so great as to preclude their use in this case.
METHODS OF CONTROL AND USE OF WATER.
With an agreement on the part of the town of Braintree to furnish such appliance as stated above and keep it in good work- ing order, a mutual agreement could be entered into by the three towns as follows :
1st .- That at such times as water is wasting over the dam at Great Pond, each of the towns may draw from the pond, such quantities of water as it desires.
2nd .- Whenever the water ceases to waste over the dam, each of the towns may draw water at such times and such rates as it shall choose, providing the total amount so drawn by any town in any month, shall not exceed one-third of the estimated dry weather supply for one month.
3rd .- The total dry weather supply shall be estimated at 2,000,000 gallons per day until such time as further knowl- edge shows it to be more or less than this amount, or until the storage capacity of the pond is increased.
4th .- If in any year under the conditions above stated, the pond is drawn so low that there is reason to believe that it may fall more than eight feet below the present high water line be- fore it will be reinforced by the rainfall, the three towns shall
*
90
reduce the amount of their combined draft to such an amount as in the opinion of competent authority will not endanger the sup- ply, and during such time of reduced draft the towns shall each draw equal amounts unless they make a temporary agreement to the contrary.
5th .- That the Water Commissioners of each town shall have access to the records of any pumping machinery drawing water from Great Pond. That these records shall be fully and correctly kept.
That the Water Commissioners of each town shall have access to the building in which is kept the registering device of any meter used on any conduit discharging water from Great Pond, and have the opportunity at any time to inspect the said record- ing device and obtain the reading of the same. That the gate upon the by-pass around the meter shall be kept shut and sealed at all times when the water is not running over the dam, and that the gate between the meter and the pond shall be kept wide open at such times, and the flow of water regulated by a gate' somewhere on the line below the meter.
6th .- That the top of the dam which governs the overflow shall be at the level of a bolt-hole in a rock near the outlet of Great Pond; said bolt-hole being on the present high water line of the pond.
Stop planks may be removed from the dam and the water lowered only by mutual agreement between the towns by the Commissioners.
Yours respectfully,
FREEMAN C. COFFIN.
The indications are that by reason of the erection of the car shops of the N. Y., N. H. & H. Railroad, our consumption will be materially increased. Consequently the town ought to be in a position of absolute security and take advantage of the patronage of that corporation.
91
RESTRICTION ON HOSE SERVICE.
The board restricted the use of hose to certain hours in the day, and made a charge of $6.00 per year for sprinkler service. The consumers generally have appreciated the justice of this and have shown a disposition to co-operate in checking wastefulness.
ENCROACHMENTS UPON LITTLE POND.
During the year certain abuttors caused a filling in of the pond. In conjunction with the Selectmen the matter was brought to the attention of the State Board of Land and Harbor Commis- sioners. The Commissioners after hearing both sides decided that the filling was put in contrary to law and would have to be removed. Not desiring to unnecessarily impose a hardship upon any one, but simply wishing to have it definitely settled that no party had any right beyond the highwater mark of the pond other than the town and the Commonwealth, we had the Board of Land and Harbor Commissioners petitioned for authority for the town ' to maintain and control the filled in land in controversy. We have every assurance that favorable action will be taken upon the petition.
We believe that the interests of the town upon the borders of the source of its water supply cannot be too jealously guarded.
The Board of Selectmen consulted with this board as to the location for a proposed street railway on Pond street.
We expressed ourselves as opposed to the laying of tracks over the water mains. The experience of other towns and cities in the matter of electrolysis by reason of the escape of the return current from rails, makes it important that the interests of the water department be carefully looked after in granting franchises.
The board believes that the town took wise action in purchas- ing land to square out the standpipe lot. We will endeavor to grade the lot during the coming season so that it will be credita- ble to the town and in keeping with its beautiful vicinity.
The standpipe will be thoroughly cleaned and painted during the coming year.
92
During the year a hydrant on Washington street was broken down by a swill wagon. As there seemed to be no reason for the collision other than carelessness of the driver, we entered suit against the owner of the team for the amount of the damage $60.00 The case is as yet undecided.
We think it would be well for the town to make a moderate appropriation for extension of the system.
Application is often made to this board for extensions that would pay a very large per cent. upon the investment.
Of course we not having available funds can take no action.
It seems an injustice upon parties who are incidentally de- veloping the town to be obliged to pay the expense of laying main pipe. It is also evident that a policy of this kind must operate to discourage improvement, and retard the progress of the town.
We have been fortunate during the past year in having few leaks upon mains and no accidents at the station. William E. Maybury and John W. Mulcahy have remained with us as su- perintendent and engineer. Their services have continued to be as acceptable as heretofore, and the same harmonious relations continue to exist.
We would respectfully refer the citizens to the financial and statistical report annexed as well as to the report of the superin- tendent.
Appreciating the interest taken by the employes of the department, the consumers and the citizens generally, and trust- ing that the efficiency of the department may be still further in- creased, we are
Respectfully, JAMES T. STEVENS, T. HAVEN DEARING, JOHN V. SCOLLARD, Board of Water Commissioners.
1
Treasurer's Report.
P. D. HOLBROOK, TREASURER OF WATER DEPARTMENT.
Dr.
To balance per statement January 1, 1895
$660 75
To cash received of J. V. Scollard, col- lector of water rates ·
14,288 94
Citizens Gas Light Co., overpaid
1 25
To cash received of Town of Braintree for hydrant service
3,950 00
Cash received of Town of Braintree to pay interest on water bonds
1,150 00
Balance in National Exchange Bank, subject to payment of coupons outstanding January 1, 1896
200 00
$20,250 94
Cr.
Cash paid on 182 orders drawn by Water Commissioners
$8,019 09
Cash paid for coupons outstanding ·
500 00
Cash paid for coupons on water bonds Balance on hand
10,000 00
1,731 85
$20,250 94
The above accounts examined and found correct with all
94
vouchers furnished the balance of $1,731.85 (seventeen hundred thirty-one and 1%% dollars) and deposited in the National State and Exchange Banks, Boston, and certified for by cashiers of said banks.
DANIEL POTTER, L. W. MORRISON, Auditors.
Braintree, January 25, 1896.
Statistical.
No. of services 948
No. of families supplied
998
No. of bath tubs supplied .
176
No. of water closets supplied
234
No. of horses
225
No. of cows
82
No. of factories, stores, and shops supplied
27
No. of stables (livery)
2
No. of school houses · .
4
No. of green houses
6
No. of hose houses
3
No. of churches
6
No. of halls
6
No. of cemeteries
2
No. of railroad tanks
1
No. of round houses
1
No. of ice houses
1
No. of boarding houses
2
No. of club rooms
1 159
No. of hydrants
No. of meters
13
No. of hydrants added, 1895
1
No. of services added, 1895
46
No. of houses not reached by system
165
Houses on pipe line not supplied
87
1
Financial.
The Collector is charged as follows : To balance due for rates, 1894 $1,277 66
To balance due for pipes, etc., 1894
530 69
To water rates, 1895
13,526 41
To pipes, etc., 1895
.
1,173 01
And credited as follows :
By abatements
$305 62
By pipes, etc., uncollected
356 12
By rates, uncollected
1,556 06
Cash paid to Peter D. Holbrook, treas- urer
14,288 94
-
$16,506 74
We have examined the foregoing account of John V. Scollard, Collector of Water Rates, and find it correct, and find that he has paid the full amount collected, ($14,288.94) fourteen thousand two hundred and eighty-eight and 94 dollars to the Town Treasurer and has received vouchers therefor.
DANIEL POTTER, L. W. MORRISON, CHAS. G. SHEPPARD,
Auditors of Braintree.
Braintree, Jan. 25, 1896.
$16,506 74
99
SERVICE CONSTRUCTION.
Paid labor as per pay roll .
$751 86
Fore River Engine Co., labor and stock
11 59
Chapman Valve Co., supplies 154 51
Sumner & Goodwin, supplies
41 64
Walworth Manufacturing supplies
Co.,
55 34
J. B. Rhines & Co., supplies 14 26
F. A. Bates, labor and stock
71 35
Edward Shay, labor and stock
22 36
O. M. Rogers, labor and stock
15 89
Thomas Hoey, supplies
274 40
Chadwick Lead Co., supplies
340 42
L. C. Nightingale & Childs, sup- plies
2 50
A. F. Powers, labor and stock
61 88
R. Belyea, labor and stock .
5 50
D. H. B. Thayer, expressing
30 16
M. L. Tupper, supplies
5 57
B. C. Perry, expressing
14 55
W. P. Brown, expressing
3 40
Standard Oil Co., supplies
5 00
Thomas Huston, labor
3 25
A. A. Saunders, supplies
2 65
$1,888 08
SALARIES, WATER COMMISSIONERS, ETC.
Paid James T. Stevens
$100 00
T. H. Dearing, salary for one year and three months . 125 00
John V. Scollard . .
100 00
P. D. Holbrook .
75 00
John V. Scollard, services as sec- retary .
50 00
P. D. Holbrook, cash expenses .
4 90
- $454 90
100
MANTAINENCE.
Paid H. M. White, grain . $72 52
H. H. Thayer, labor and stock 47 25
J. B. Poore, labor and stock 2 00
Ambler & Hobart, hay and grain 81 40
A. H. Mason, postage . 14 51
Weymouth & Braintree Publish-
ing Co., printing 18 00
W. A. Torrey, supplies 4 94
A. Southworth, postage 22 12
F. G. Storey, supt. rent of vault .
10 00
William McCormick, supplies
1 60
R. Belyea, labor and stock .
6 00
J. V. Scollard, collecting and reg- istering water rates and service accounts
289 35
J. V. Scollard, cash paid for books 4 00
H. B. Whitman, supplies
13 85
C. H. Hobart, supplies
3 72
C. S. Hannaford, supplies .
6 25
Charles F. Cavanagh, labor and stock 12 00
C. A. Belcher, pung
60 00
Edward Shay, labor and stock
9 55
Thomas South Jr., labor and stock
7 00
Samuel Ward Co., register .
14 00
H. French, supplies 8 00 .
Labor as per pay rolls
245 77
SUPERINTENDENT.
Paid William E. Maybury . William E, Maybury, cash ex-
$999 95
penses
18 50
.
$953 83
$1,018 45
101
PUMPING STATION.
Paid the Fairbanks Co., supplies $11 40
A. J. Richards & Son, fuel . 31 51
A. W. Chesterton & Co., supplies 77 09
Champion Flue Scraper Co., sup- plies 4 50
Edward Shay, labor and stock 20 00
Eagle Oil & Supply Co. supplies
166 54
Braintree Wood and Lumber Co., fuel 5 08
W. A. Tupper, labor and stock
7 75
W. F. Sanborn & Co., lumber
1 96
Michael Branley, coal
334 36
Waldo Bros., supplies
6 38
Crosby Steam Gage & Valve Co., supplies 2 50
A. J. Wilkinson & Co., supplies .
1 90
W. H. Gallison, supplies
2 90
Deane Steam Pump Co., supplies
79 18
Boston Woven Hose & Rubber Co., supplies
7 19
Geo. F. Blake, Mf'g Co., labor and stock 79 90
A. O. Clark, Manager Electric Light 20 16
Fore River Engine Co., labor and stock
111 48
J. B. Rhines & Co., lumber
3 00
H. H. Snow, clock .
5 00
Walworth Mf'g Co., supplies
17 63
Geo. M. Porter & Co., supplies
1 61
D. H. B. Thayer, expressing
30 00
J. F. Sheppard & Sons, coal
660 61
Boston Gear Works
1 20
J. H. Mateer, labor and stock
5 00
Amount carried forward $1,695 83
102
Paid Amount brought forward, . $1,695 83
Labor as per pay roll
211 43
John W. Mulcahy, wages
821 25
F. O. Whitmarsh, labor and stock
15 46
$2,743 97
TOOLS, ETC.
Paid W. H. Cobb,
$10 20
C. S. Hannaford
4 78
Walworth Mf'g Co.
.
.
1,713
REPAIRS.
Paid E. E. Dyer, labor
$ 80
Peter Ness, labor and stock
.
3 15
F. A. Burrell, team hire
1 50
James Mahar, labor
1 95
Labor as per pay rolls
.
$121 11
METERS.
Paid National Meter Co.
$68 90
$68.90
EXTENSIONS.
Paid Coffin Valve Co
$64 15
Builders Iron Co.
.
.
24 75
Labor as per pay rolls
129 75
HYDRANTS.
Paid Wadsworth, Howland & Co. paint $4 70
Coffin Valve Co.
121 05
Labor as per pay roll .
71 41
·
.
$218 65
$197 16
.
.
113 71
2 15
103
MISCELLANEOUS EXPENSES.
Paid H. M. White, supplies'
$20 90
Thos. Groom & Co. supplies
7 95
Wm. Wheeler making survey of proposed connection of Great Pond and Little Pond
297 06
Labor as per pay roll .
11 00
$336 91
GENERAL SUMMARY.
Paid pumping station
$2,743 97
Tools, etc.
17 13
Maintenance
953 83
Superintendence .
1,018 45
Service construction
1,888 08
Salaries
454 90
Repairs
121 11
Meters
68 90
Extensions
218 65
Hydrants
197 16
Miscellaneous expenses
336 91
Total paid on orders
$8,019 09
STATEMENT OF COST.
Total number of gallons pumped, 1895
112,325,726
Cost including interest and repairs
.
$17,085.37
Cost per thousand gallons . .
$0.152
-
104
SELLING PRICE.
112,325,726 sold for $17,426.41 including hydrant
rental making selling price per thousand galls Receipts from 948 taps Average per tap
$0.154 $13,526.41
$14.26
Average daily consumption, 307,741 gallons.
Average daily per capita consumption, 58 gallons.
Respectfully submitted,
JOHN V. SCOLLARD,
Water Registrar.
The following table gives statistics with regard to the con- sumption of water in many of the cities and towns in this State. The daily consumption per inhabitant, obtained by dividing the average daily consumption by the total population of the city or town, in 1894, is less than the amount per consumer, because there are some in all cities and towns who do not use the public water supply. This difference between the number of inhabi- tants and consumers accounts to a large extent for the low rate per inhabitant, in some towns where works have been in opera- tion only a short time, and in consequence water has not been generally introduced ; also, in towns where there are villages to which the public water supply has not been extended ; but, after making all due allowance for the varying proportion of water takers, there is still a very great difference in the amount of water used per person in different places, which it is very difficult to account for.
CITY OR TOWN.
Population 1894.
Average Daily Daily Con- Consumption. Gallons. 1894.
sumption per In- . habitant. Gallons.
Abington and Rockland
9,669
365,000
38
Andover
.
6,147
323,000
53
Attleborough
8,145
272,000
33
105
Avon
1,578
60,000
38
Ayer
2,110
71,000
34
Beverly
11,606
884,000
76
Boston (Cochituate Works) .
445,517
46,576,000
105
Boston, Somerville, Chelsea and Everett, (Mystic Wks)
137,021
10,282,000
75
Braintree
5,218
324,000
62
Bridgewater and East Bridge- water
7,497
167,000
22
Brockton
31,984
863,000
27
Brookline
15,348
1,319,000
86
Cambridge
79,221
5,830,000
74
Canton
4,618
181,000
39
Cohasset
2,471
67,000
27
Cottage City
1,046
83,000
79
Danvers and Middleton
8,891
585,000
66
Dedham
7,199
368,000
51
Easton
4,458
88,000
20
Fairhaven*
3,254
41,000
13
Fall River
85,296
2,438,000
29
Foxborough
3,164
126,000
40
Framingham
9,446
321,000
34
Franklin
5,073
158,000
31
Gardner
9,031
568,000
63
Gloucester
27,061
773,000
29
Hyde Park
11,501
458,000
40
Lawrence
50,653
2,877,000
57
Lowell
83,026
6,568,000
79
Lynn and Saugus
65,367
4,020,000
62
Malden
28,371
1,492,000
53
Manchester
1,859
115,000
-62
Mansfield
3,664
214,000
58
Marblehead
7,772
217,000
28
Marlborough
14,745
459,000
31
Medford
13,800
699,000
51
Melrose
11,277
681,000
60
Middleborough
6,567
214,000
33
Milton
·
5,270
129,000
25
Montague
6,102
· 350,000
57
106
Nantucket
3,067
81,000
26
Natick
8,951
341,000
38
Needham
3,416
112,000
33
New Bedford
52,350
4,787,000
91
Newburyport
14,433
621,000
43
Newton
26,973
1,623,000
60
North Attleborough
6,606
184,000
28
North Brookfield .
4,482
84,000
19
Norwood
4,406
220,000
50
Orange
5,199
118,000
23
Peabody
10,440
789,000
76
Quincy
19,914
798,000
40
Randolph and Holbrook
6,078
263,000
43
Reading
4,586
224,000
49
Revere and Winthrop
10,982
774,000
71
Salem
33,710
2,303,000
68
Sharon
1,700
39,000
23
Swampscott and Nahant
4,112
324,000
79
Taunton
26,764
1,099,000
41
Waltham
20,443
1,239,000
61
Ware
7,590
210,000
28
Watertown and Belmont
10,339
414,000
40
Webstert
7,637
219,000
29
Wellesley
4,103
186,000
45
Whitman
.
5,486
196,000
36
Woburn
·
.
14,041
972,000
69
.
.
.
.
*May 1 to December 31.
+February 20 to December 31.
Report of State Board of Health.
In 1893 a direct connection was made between the filter- gallery of the Braintree water-works and Little Pond by running a 12-inch main from the pond into the filter-gallery. The filter- gallery furnished a sufficient supply without the use of water from the pond until July 12. Between that date and September 3 water was drawn from the pond into the filter-gallery for the supply of the town for a total of forty-three hours. On the next page will be found a chemical examination of water from the filter-gallery of the Braintree Water Works, parts per 100,000.
Number.
Date of
Turbidity.
Sediment.
Color.
Free.
Albu-
Chlorine.
Nitrates.
Nitrites.
Oxygen
Hardness.
Iron.
11603
None
None
0.00
5.55
.0000
0030
.92
.0700
.0000
0858
2.1
.0040
11725
Feb. 7
None
None
0.00
5.10
.0012
.0068
.85
0350
.0000
.1184
1.7
.0050
11854
·Mar. 7
None
None
0.05
4.90
.0004
.0062
.84
.0580
.0000
.1800
1.7
.0050
12034
Ap. 11
V. slight
None
0.00
4.80
.0000
.0050
.84
.0630
.0000
.1540
1.6
.0100
12174
May 8
None
V. slight
0.05
4.50
.0000
.0044
.81
.0450
.0000
.1804
1.3
.0135
12343
Jn. 11
V. slight
V. slight
0.10
4.25
.0002
0054
.80
.0170
.0000
.0077
1.4
-
12551
Jy. 15
None
V. slight
0 07
5 25
.0006
.0048
82
.0120
.0000
.1140
1.4
.0105
12729
Au. 13
V. slight
V. slight
0.03
5 50
.0000
0030
.80
0050
.0001
.0847
1.5
.0200
12916
Sep.10
Distinct
Slight
0.07
5 30
.0010
.0040
. 83
.0080
.0002
.0847
1.8
.0400
13094
Oct. 8
Slight
V slight
0.02
5.50
.0000
.0058
.86
.0050
0003
.0760
2.2
.0230
13281
Nov. 8
None
None
0.03
5.45
.0002
0032
.92
.0300
.0008
0462
1.9
.0075
13438
Dec. 5
Distinct
Con. br.
0.02
6.20
.0010
.0056
1.00
.0580
.0000
0678
1.9
.0230
Av.
-
-
0.04
5.19
.0004
0048
.86
.0338
.0001
.1000
1.7
.0135
108
APPEARANCE.
AMMONIA.
NITROGEN AS
Collection.
Consumed.
Residue on
Evaporation
minoid.
1894. Jan. 3
AVERAGES BY YEARS.
-
1
-
0.07
7.14
.0006
.85
.0948
.0003 .0001
-
-
1
-
0.03
4.72
.0002
.0049
.83
.0363
.0001
.1029
1.8
. 0037
1894
-
-
0.04
5.19
0004
0048
.86
.0338
.0001
.1000
1.7
.0135
-
-
-
1892
-
0.02
4.69
.0002
.0045 .0030
.75
.0192
1.8
1893
1
* June, 1887 to May, 1888.
NOTE to analyses of 1894: Odor in March and December, faintly vegetable; in August, distinct; at other times, none. On heating, the odor of the March and December samples disappeared, and the odor of the October sample was distinctly vegetable and unpleasant .- The samples were collected from a faucet at the pumping station. Water was drawn from Little Pond into the filter-gallery as follows: July 12, 13, 14, 20, 29, September 2 and 3.
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