﻿HYDROLOGY 
  OF 
  NEW 
  YORK 
  847 
  

  

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  21.50 
  

  

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  Ammonia, 
  albuminoid. 
  

  

  Nitrites 
  

  

  Nitrates 
  

  

  Hardness 
  

  

  The 
  preceding 
  analyses 
  show 
  that 
  the 
  quality 
  of 
  the 
  water 
  is, 
  

   from 
  a 
  sanitary 
  point 
  of 
  view, 
  quite 
  beyond 
  reproach. 
  Chemical, 
  

   microscopical 
  and 
  bacteriological 
  examinations 
  have 
  been 
  made 
  

   and 
  all 
  point 
  to 
  the 
  same 
  conclusion 
  — 
  that 
  this 
  water 
  is 
  safe 
  for 
  

   domestic 
  use, 
  although 
  its 
  hardness 
  is 
  higher 
  than 
  that 
  of 
  the 
  Hem- 
  

   lock 
  lake 
  water 
  and 
  it 
  contains 
  a 
  small 
  amount 
  of 
  sulphureted 
  

   hydrogen, 
  but 
  too 
  small 
  to 
  be 
  detected 
  when 
  the 
  samples 
  arrived 
  

   at 
  the 
  laboratory. 
  

  

  Wells 
  in 
  low 
  district 
  south 
  of 
  Mount 
  Hope 
  reservoir. 
  An 
  exami- 
  

   nation 
  of 
  the 
  shallow 
  wells 
  in 
  the 
  valley 
  to 
  the 
  south 
  of 
  the 
  Mount 
  

   Hope 
  range 
  of 
  hills 
  showed 
  that 
  the 
  water 
  was 
  not 
  only 
  very 
  

   hard, 
  but 
  in 
  many 
  cases 
  also 
  tainted 
  with 
  sulphur. 
  None 
  of 
  these 
  

   wells 
  has 
  ever 
  overflowed, 
  nor 
  has 
  their 
  yielding 
  capacity 
  been 
  

   tested 
  by 
  pumping. 
  From 
  the 
  geologic 
  and 
  topographic 
  char- 
  

   acteristics 
  of 
  the 
  valley 
  there 
  was 
  no 
  hope 
  that 
  the 
  required 
  

   quantity 
  of 
  suitable 
  water 
  from 
  a 
  series 
  of 
  driven 
  or 
  bored 
  wells 
  

   therein 
  could 
  be 
  secured. 
  

  

  As 
  a 
  matter 
  of 
  interest 
  it 
  may 
  be 
  mentioned 
  that 
  after 
  the 
  

   eighteen 
  sources 
  had 
  been 
  thoroughly 
  investigated, 
  a 
  private 
  

   company 
  known 
  as 
  the 
  Rochester 
  Water 
  Supply 
  Company 
  under- 
  

   took 
  to 
  furnish 
  an 
  additional 
  supply 
  of 
  2,000,000 
  gallons 
  per 
  day 
  

   from 
  the 
  wells 
  situated 
  in 
  this 
  low 
  district 
  south 
  of 
  the 
  Mount 
  Hope 
  

   reservoir. 
  They 
  put 
  down 
  a 
  considerable 
  number 
  of 
  driven 
  wells, 
  

   but 
  were 
  unable 
  to 
  pump 
  more 
  than 
  about 
  500,000 
  gallons 
  per 
  

   day. 
  Efforts 
  were 
  made 
  to 
  increase 
  this 
  quantity 
  by 
  boring 
  more 
  

   wells 
  and 
  providing 
  pumps 
  of 
  larger 
  capacity, 
  but 
  without 
  avail 
  — 
  

   the 
  subterranean 
  supply 
  was 
  found 
  to 
  be 
  limited 
  to 
  the 
  amount 
  

   named. 
  The 
  prediction, 
  therefore, 
  in 
  the 
  original 
  report 
  that 
  

   there 
  was 
  no 
  hope 
  for 
  a 
  water 
  supply 
  from 
  this 
  point 
  was 
  abun- 
  

   dantly 
  verified. 
  

  

  Irondequoit 
  creek. 
  This 
  source 
  may 
  be 
  reached 
  at 
  its 
  nearest 
  

   point 
  to 
  Mount 
  Hope 
  reservoir 
  in 
  a 
  distance 
  of 
  five 
  miles. 
  The 
  

  

  