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Calcium (Ca)
Magnesium (Mg)
Sodium and potassium (Na+K)<l
Carhouatc radicle (CO3)
Bicarbonate radicle (HCO3)
Sulphate radicle (SO,)
Chloride radicle (CI)
Nitrate radicle (NO3)
Total dissolved solids at 180° C . . .
Tola 1 hardness as CaCOs
Scale-forming constituents d
Foaming constituents d
Chemical character
Probability of corrosion/
Quality for boiler use
Quality for domestic use
Analyses, fc
19
.42
4.9
2.5
13
.0
27
19
4.8
3.1
78
d22
38
3.5
Na-C03
(?)
Good.
Good.
22
.10
3.6
1.6
9.8
.0
29
4.8
5.2 ■
.94
60
die
35
26
Na-COa
N
Good.
Good.
Assays. c
72
79'
43
133
d370
153
18(1
190
Na-Cl
(?)
Fair.
Good.
0.16
.0
S.O
18
100
10
Ca-COs
Fair.
' Jood.
" For looadon and other descriptive information see p. 166.
b For methods used in analyses and accuracy of results see pp. 52-60.
c Approximations; for methods used in assays and reliability of results see pp. 52-60.
<J Computed.
eLess than 10 parts per million.
/Based on computed quantity; (?) = corrosion uncertain, N=noncorrosive.
RECORDS OF WELLS AND SPRINGS.
0.07
Trace
.0
91
18
16
1JI6O
117
140
(«)
Ca^O.,
(?)
Fair.
Good.
The only spring visited in Marlboro (No. 9, PL VI) i.-, so situated
on a slope that the water is brought to the surface by a ledge of
bedrock. It yields about half a gallon a minute.
166 GROUND WATER IN NOR WALK AND OTHER AREAS, CONN.
Dug wells in Marlhoro.
No. on
PI. VI.
Owner.
Louis Krumholtz.
H. G. Austin-
Herman Dermler.
...do...
Ridge. .
Slope. . .
...do. . .
Plateau
Slope. . .
L. L. Buell :...do...
R. Hurowitz.
Topo-
graphic
position.
Slope. . .
...do.. .'.
Plain. . .
Slope. . .
Ridge. . .
Slope. . .
...do
Low hill
Slope. . . .
Swale...
Slope. . .
■^-;
a >
■■2 es
3
Robbins .
E. E. Hall.
Methodist Church . .
Mrs. A. R. Gray..
B.S. Lord
Plateau
Slope. . ,
...do....
Plateau .
Slope.
...do..
...do..
.do.
.do.
.do.
.do.
.do.
.do.
Feet.
S?0
570
420
410
480
610
410
410
510
590
410
430
485
440
495
550
450
665
650
600
550
550
410
500
420
400
390
380
400
Feet.
16.7
27.1
16.1
16.5
20.4
21.6
18.4
18.4
17.4
8.7
17.3
15.1
15.2
10.3
10.6
13.0
14.1
15.8
12.2
12.8
22.1
13.8
14.6
15.3
10.7
9.4
29.2
10.4
17.6
14.0
Feet.
5.2
10.3
11.2
14.3
13.8
16.4
15.9
15.5
13.1
2.8
15.1
12.0
8.7
7.0
9.7
11.3
6.4
5.3
9.0
16.3
9.3
9.0
12.5
6.5
21.5
6.4
12.6
11.1
^S
Feet.
11.5
16.8
4.9
2.2
6.6
5.2
2.5
2.9
4.3
5.9
2.2
5.2
3.2
1.6
3.6
3.3
2. ,8
9.4
3.8
5.8
4.5
5.6
2.8
2.9
7.7
4.0
5.0
2.9
Rig.
Sweep ng
One-bucket rig.
Sweep rig
Chain pump. ..
Windlass rig. . .
Sweep rigi
Windlass ng. . .
do
do
No rig
Chain pump. . .
Windlass rig..
One-bucket rig
Windlass rig. .
Chain pump . .
Windlass rig. .
House pump..
Chain pump...
House pump . . .
Windlass rig
Windlass o n
counterbal-
ance rig.
Windlass rig
do
Chain pump . . .
Air-pressure sys-
tem.
Remarks.
Gra-saty system
Two-bucket rig. .
Windlass rig
No rig
Chain pump . . . .
Windlass rig
and house
pump.
Abandoned.
Nonf ailing.
Do.
Do.
Fails.
Do.
Nonf ailing.
Nonfailing. Water
from till. For an-
alysis see p. 105
Fails. Rockbottom.
Do.
Fails.
Do.
Nonfailing.
Do.
NonfaiUng. In rock
11 feet. Water
from gneiss. For
assay see p. 165.
Nonfailing.
Fails.
Nonfailing.
Fails. Water from
till. For assay
see p. 165.
Nonfailing.
Nonfailing. Water
from till. For
assay see p. 165.
Nonfailing. Water
from till. For an-
alysis see p. 105.
NonfaiUng.
Do.
Do.
Do.
INDEX.
A. rase.
Acknowledgnipnts for aid 10
Addison, location of 15;i
Air pip^suif system, oppration of 40
Algae, control of, in re><ervoirs 49
Aiial.v>;ps, mechanical, of stratified
drift 2.-'.
Analyses and assays of ground waters,
accuracy of 55-56
averages of 62-64
interpretation of 57—60
methods and results of 52-64,
89. 101. 108. 114. 122, 129,
136. 145. 151, 158, 165
Area of towns in the areas 16
.s'ec also under the sneral towns.
Areas examined, locations of 9
Artesian wells, possibilities of 32-34
example of 127
Assays of ground waters, usefulness
of 56
B.
Bald Hill Street. Wilton, location of- 118
Bedrock, water In 28-29,29-30,31.32
See fl/.so water-bearing forma-
tions under the several
towns.
Bennetts Bridge, run-off of Pom-
peraug River at 14
Birch Mountain, Glastonbury, height
of 154
Boiler use. suitaliility of ground
watern for 57-59
Branchville. location of 95. 118
r.rown re.'iervoir. Lewisboro. N. Y.,
location and capacity
of 90
P-ucket ri.ffs for wells, kinds of 35-36
Buckingham, location of 153
C.
("annondalc. location of 118
Cn rlion dioxide, corrosion of lead
pipes l)y 51
removal of. from public water
supplies 49
Chambers, Alfred A., analyses of
ground waters by 52-64,
71, 80, 89, 101, 108. 114. 122.
129. 136. 145, 151, 158, 165
Chain p\iiiips. kinds and construc-
tion of 37-38
Chemical character of ground waters.
determination of 56
Page.
(Miloride, contamination indicated
by 60-61
normal amounts of 6(>-l)l
Climate of the areas 11-12
Conglomerate, occurrence of 27-28
Connecticut, map of, showing areas
covered by water-sup-
ply papers 8
Connecticut River, areas drained hy_ 127,
133, 142, 150,154. 162
change in course of 133
Contamination of ground waters, de-
tection and prevention
of 60-62
Cranberry, location of 84
Croton River, run-off of 15
D.
Darlen. area, population and indiis-
tries of 16. 66-67
drainage of 67
estuary in, plate showing 66
ground water in. luality of 70-71
plant of the Tokeneke Water Co.
in. plate showing 72
public water supplies of 71-72
stratified drift in. plate show-
ing 66
surface features of 67
water-bearing formations in 67-70
wells in. records of 68. 70. 72-74
Data., sources and nature of 9-10
Davis. W. M.. cited 141
Deep-well pump, construction of 36-37
Dewey. J. S.. well of. Inflow into 41-4:2
Domestic use. suitability of ground
waters for 59-60
Drainage of the areas 12-15
f^ee also under the several towns.
Drift, stratified, differences from
till 24
Stratified, exposure of, in Da-
rieii, plate showing 66
exposure of, in Thonipson-
vlUe, plates showing 134
nature of 22-24
plain surfaced with, in East
Granby, plate show-
ing 72
yielding of water by 26-27
See aiso water-bearing forma-
tions under the several
towns.
167
168
INDEX.
B. Page.
East Glastonbury, massive granite
gneiss in, plate show-
ing 154
East Granby, area and population
of 16, 124-125
drainage of 127
flowing well in, plate showing — 126
geology and surface features
of : 125-127
ground water in, quality of 129
stratified-drift plain in, plate
showing 72
water-bearing formations in 127-129
wells in, records of 128, 129, 130
East Hartford water works, service
in Glastonbury by 159
East Norwalk, public water supply
of 90
Enfield, area, population, and indus-
tries of 16. 131-132
drainage of 133
geology and surface features
of 132-133
ground water in, quality of 136
public water supplies of 136-137
springs in, records of 139
stratified drift in, plates show-
ing 134
water bearing formations in — 133-136
wells in, records of__ 134, 135, 137-139
Enfield Canal, power from 148-149
Eskers, occurrence of 24
Estuary in Darien, plate showing 66
F.
Farmington River, areas drained
by 127, 142, 150
Filter galleries. See Infiltration gal-
leries.
Filtration plant of South Norwalk
waterworks, operation
of—: 91
PIvemlle River, areas drained by 67, 85
course of 83, 85
G.
Gaylordsvllle, precipitation and run-
off in Housatonic drain-
age basin above 15
Geologic history of Connecticut 17-19,
141-142
Georgetown, location of 118
Glaciation, effects of 19
Glastonbury, area, population, and
industries of 16, 152-153
drainage of 154
ground water in, quality of 158
public water .supplies of 159
surface features of 153-154
water-bearing formations in 154-158
wells and springs in, records
of 156-157. 159-161
Page.
Glastonbury area, geologic map
of In pocket.
topography of 10-11
map showing In pocket.
woodlands of 16
Gneiss, massive, exposure of, in East
Glastonbury, plate
showing 154
origin and distribution of 30-31
See also water-bearing forma-
tions under the seiJ-
eral towns.
Gravity, conduction of water by 39
Greenfield, Mass., ground-water plant
at 50
Gregory, Herbert E., investigations
by 8-9
Rice, W. N.. and, cited 18,
27-28, 77, 155
Griffin, I. H., flowing well of 127
Ground waters, classification of 56—60
occurrence and circulation of — 24—27
Grupe reservoir. New Canaan, loca-
tion and capacity of 90
H.
Hardness of ground waters, deter-
mination of 57
Hartford, monthly precipitation at — 12
Hazardville, location of 131
Hopewell, location of 153
Housatonic drainage basin, precipi-
tation and run-off in,
above Gaylordsville 15
Huckleberry reservoir. Wilton, loca-
tion and capacity of 91
Hurlbutt Street, Wilton, location of_ 118
Hyde Park, Mass., ground-ivater
plant at 50
I.
Infiltration galleries, ari-angement
and use of 43, 50
Inflow into wells, tests on 41-43
Iron, removal of, from public water
supplies 49
Irrigation, wells for 38-39
J.
Joints, occurrence and spacing of_ 29, 31-32
K.
Kames, occurrence of 24
Kettle holes, occurrence of 24
Kidwell. C. H., analyses of ground
waters by 52-64,
71, 80, 89, 101, 108, 114, 122,
129, 136, 145, 151, 158, 165
L.
Limestone, ground water in 32
nature and distribution of 32, 98
INDEX.
169
Page.
T,<iw<'ll. Mass., sfound-watfr phints
at 50-5:i
Lyon I'laiii. location <if in4-lvl5
M.
MaiiKanesie. rpmoval of. from public
wat»M' supplies 49
Mauitick Mountaiu, SuflSeld, struc-
ture of 141
Map, .sreolnjcic. of the GlaslonhHry
area In pocl?et.
seolojflc. of the Norwalk area
In pocket.
of the SuflSeld area In pocket.
topographic, of Connecticut,
showing areas covei'ert
by water - supply pa-
pers S
of the Olastonbiiry nrea
In pocket.
' of the Norwalk area In pocket.
of the Suffleld area In pocket.
Marlboro, area and population of 16,
161-162
ground water in. quality of 164-165
surface features of 162