The sun. [volume] (New York [N.Y.]) 1833-1916, 1884-05-11
THE Sun, sUNnAY LAY n, 9lsyl.



M OUn 1vYVzD NAfno SURHsR
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os'rn OF III. N.Y. n. Yo 5s,sS ~, 'sss Co.,
Hss. o Potter. wssAtnsto~, D. O.
DEAR STR: In respUnse TO your letter oil.
dressed TO mo Some time ago through the col
umns Of THs Bun invite your attention to .
brief examination Of the statement which you
then made. TO the effect that. next 10 the Gro.
ton water shed. the cheapest source from
which supply Of pure water for this city can
b obtained 10 the upper Hudson above
Poughkeepsle." shall show that you
are In error a. regards the relative
cost OF the proposed plan. compared
with the Ramapo scheme; and further.
moro that IN pwriV. the water Of the Hudson
River In the neighborhood Of Poushkeepsis
bears no Just comparison to that Of the Ramapo
which 10 moro nearly pure than that now
furnished to any large city In the world. with
the single exception Of Glasgow In Scotland.
which obtains Ito supply from Loeb Katrine.
Tho distance BY rail from New York 10
Poughkeepsie h seventy-thrs miles. while
from the crossing Of the Croton River to that
place tho distance 10 thirty-two miles. Tho
aauoduct proposed By you would commence at
point on the Crotoh River hve miles distant
from tho Hudson River Railway. and the re-
mainder Of the route. AZ will b shown
presently. would be at least four miles longer
Than than. that Of tho railway, making TIE entire
The elevation OF tho present Croton dam. 10
the grade q the proposed work would % the
same "a that OF the existing aqueduet tlgs<
e. IL ee. sos SI ia. t0
sSsrciSre b statsd IN found NUMBERS 1t ss6
ysrsss o as g S s.s hssa
than The track Ct the railwsy; the sausduct
yeninr m0untsin range. which BY m rsceding
from the river not on! y at Cold Surfing, Fishkill
and Hamburg crock. but at many other points.
mite sSoSd Ss allowed for sSs 81 q
mstins all a. has 6ee 81 stated x Tx. s snSth
tn" portion e TIE Hudson n River Railway e:
the most expensive part Of that work, and prob;
ABLY exeeeeed in cost any other section OF road
duct constructed along a steep mountain slope
having 50 irregular q contour as that referred
TO- would tunnels to b. cut the
Perpendicular rocks. TO- be supported by high
and costly retaining walls Four river or noun
and destructive .freshsts. must 30 crossed BY
means. OF Inassive and expensive bridges.
II, s' would % Sc y TO-
Hudson e swollen BY foods TO more than ten
the extensive alluvial lands through. which It
g. Up II Il The me-
to New York and which, Of course S renders The
water il the neighborhood OF Poughkeepsie
extremely turbid. The cities and towns which
therefore. ali compelled to provide filterine ap.
paratus and settling basins 70 free the water
the large population inhabiting its banks ana al
enter into combination with the water: No
germs Of disease remain. and can only be Of.
fectually removed by long exposure to the oxi-
Another source Of nnntness Of the. water Of
ing and for domestic uses generally; remains to
h9 mentioned The mean rise and fall OF the
A tho civ Of Hudson yheh = il miles s Dis.
% 80 miles further north. 1t Is two feet and
three inches. and at the State dam at Troy.
S naasy Is SIX oG % s sas s@ AeH Ss
face q the Hudson River between. Albany and
New York excepting in seasons of freshets. is
The crest OF the tidal wave averages ve!oci-
ty Of fifteen miles an hour between New York
Fonts !. hS I'd s
o an
wave. It must not DO confounded with the
tidal current The latter averages three miles
the ebb between the two places In question.
The tida! current brings more than one mil.
Hon cubic feet OF salt water per second into the
Hudson River. The mean quantity of fresh
thousand cubic feet psr second. In low stages
q the river TIE quantity DISCHARGED is less than
second
thousand cubic feet nsr second.
Ss the bpn
water. so that while the water In Tappan Sea is
nearly as saline as that Of the ocean. tho first
s s Bus sSsn .Ss
huvlal waters OF the Hudson are at their mini
mum now. the river water at. and for some dis
From al ast las boon saa Il L
cafe to affirm that the water in the Hudson
River ct Popghkeepsis will never be found Tree
LAS As has BEEN already stated the river water
the height Of $40 feet above mean tide iaSve ,H
chinsry and for repairs and renewals. this
would Involve an annual expenditure OF at
least Ave hundred thousand dollars which reD.
resents a capital OF ten million dollars.
gaelty Of the new croton aaueduct. including
ths ssnT ana
would De at least ten million dollars. irrespec:
tive Of tbs land akdnK total SUN o.
authorities have the option OF purchasing the
hamnpo "Gueduct and ts sppurtsnances. At any
date OF their completion. have the honor to
DO your obedient servant.
IA. CoHK11so. President.