Evening journal., 1920-05-06
GOVERNMENT
finds CITY'S
WATER SUPPLY
IS POLLUTED
contInued from FIrst pagc.

Continued from FIRST rage.
this State and come within a few
thousand fee. OF the water intake.
The increasing density Of popula-
tion, which is now an average OF 40
person per square mile over the 5So
square miles OF drainage area
with a greater percentage being con
nected Yearly to the sewers. together
with the regular enlargements OF the
industries conducted on this wafer
she'd. will undoubtedly make an eslaD-
lishment OF a strict watershed con-
troll OF this region imperative IN eio
near future. the report shd.
The principal recommendation inst
the report urges for the better sale-
guarding OF the city waller supply,
are with reference TO The nearby
sources Of contamination Of the raw
water and 10 the operation OF the
water system itself. These are as
follows.
First trade wastes and sew
ace from the Bancroft mills alter
preliminary sedimen'ation and pass
age through fine screens should DC
carried below the water works IN
take in new water-tighh sewer OF
ample capaofty.
Second-That the present 2O-lncl
tue sewer be not used for any wastes
and that It's further use Tor doine9stl,
sewage be dependant upon the anllts
Al ~eDair and maintain u In a wafer
Hrhf condition. according 10 Com
missioner Wells, the most praclica
method TO correct this fault Is Y,
huild n new sewer, since the present
..-.n - moi largo puOuEl
Third-Thai the industrial plants
and settlements on the Watershc'
above the Bancroft mills ana w I.
Rookland should be ordered .
nromnily discontinue the discharge @
nntreated trade wastes ana dolhossl'
eev,a a. and that a regular inspectol
OF this section Of The watereheu ID
"'f, FonrthNThat the removal OF IA
waterworks intake beyond tne a.. ~.
limits. whereby dangers OF poliuuo'
nom the Bancrofts and Aukuseln
miile and from the surface dralnas
and sewer OVerfiows OF the Guy Nvul,,
he eliminated, Is greatly 10 pe urheu Nv
Ia the meantime. II Is NuNlsvo ss WV
he possibilities Of The present cs, raco
,s,ev ,srr as urinary sedimentation basil
~ utilized by providing a properl
controlled gate at the Intake Wntrop
cnlv the amount OF water desired ca
hc admitted and by the addition .
Chemicals al the upper END 70 secul
efflciant coagulation and sedlmeh''
JF'iifth-That improved operSllc !
A. r,,eohanical sand filters Us hcVcs
~ fo which end a longer Vero
~ roarnnlafion and ndlmenlatiVh
accommodated so that a sand OF prel'
size can be used la the inter- Deus.
cixth-That 10 minimize thc ushbe'
from polulion of the cflf Nu'o.
Ia recommended that the cross ~, ~,
nections OF tho public supply VIZ
other private supply systems,
which six Instances are KNOWN, s,,oG. ..',,i.
~ removed In possible, otnerNl
s,.argemenis of double check NalN
Vvith test valves should al onoe |
inalalled at each Of these cross COZ
neoflons and each installation mat
she a,biect Of a monthly test.
The report concludes by saying wy
IN view Of the circumstances ai pre-
ent existing with regard 10 ale pom
lion of ahe raw water and the mec
INC and accomplishment OF the Urea
r,enf process " Is cOncludu tnat
Temporary provisional certincate ne !
sned covering the use OF the Nilmlh
ton public water supply by railro'
Interstate traffic. .,..
The survey was undertaken eieel
conference with Mr.. Wells, ana ,u Sou
pleled with the assistance OF bIi NJ NJ
son. state bacteriologist IN analytl
rorh This move was In accordan
with the plan OF cooperation OF y
rinifed states Public Health SciNl
and The various State departments
helath for the joint supervision
raler supplies In use for urlhhh
nurposes In interstate tralhc.
Mr. Wells assured that the loe
water supply Is generally safe, put
unguarded against coniaelQh uue
an inefficient sewer, which ls co
stanty being repaired In oroSi
commence reconstruction, " WIZ
necessary 20 shut down the plan
elong the watersheds This move, \
Wells believes. should be immeula
since there Is only two days su
niv OF water In storage, ana IN ca
nolmiion takes a vital hold upon
water. Wilmington VIII face wa
the question OF pure water SUPP
Is AM ardent one for local water
0cials. Great expenditures nave DC
made 10 neutralize the various
nurities discharged into the raw "
ters. Chloride gasses, employer
nurifv the water. have been aDut
sntly utilized at great expenses to
city. . ~, ,
chief Engineer Van Trump, OF !
Water Department, who Is determlf
lhat he viii not leave the factl
a. owners along the creek at peace
< iii All contagion Is removed, IS "
pleased with the step taken by
W Government.