994 - North Shore News

1

- Sunday, March 27,

36

Vancouver
Regional
istrict
Creating Our Future:
Steps To A More Livable Region

Choice of a
secondary
disinfectant
between
chloramination
or
rechicrination

Chioraminate

concerned
our water
may not
meet
proposed
health .
guidelines?

‘Includes environmental
response program

** Presently 50% of the Canadian
Drinking Water Quality Guidelines ars met

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Future Water Source
(Seymour or Coquitlam) |

& Treatment Options

‘Source Seymour

° Seymour filtration plant
* New dam at Seymour

Source Seymour
* Filter all sources -

1» New dam at Seymour

* Ozone (with biological filtration)

to replace chlorine as a primary disinfectant

Sceurce Coquitlam
¢No filtration -. ~

« Upgrade Seymour dam

i Source Coquitlam

* Upgrade Seymour dam
* Filter ali sources
* Ozone (with biological filtration)
to replace chierine as a primary disinfectant -

Source Seymour

« Filter all sources

* New dam at Seymour ~

® 20 to 30 rechiarination stations ©

Source Seymour
¢ Filter all sources
* New dam at Seymour,

* Ozons (with biological filtration) te

to replace chlorine as a primary disinfectant

a4 ¢ Minimal number of rechiosination stations

j Source Coquitlam

° Filter allsources |
° Upgrade Seyraour dain
*20.to 30 rechlo ination stations

4 Source Coquitlam

> Filter all sources
« Upgrade Seymour dam ‘
* Ozone (with diotogical filtration) °
to replace chlorine as a primary disinfectant. :

4 ° Minima! number of rechlorination stations :

s Source. Seymour.

* Seymour filtration plant
e New dam at Seymour. >

. 35 to 50 rechlo rination stations

‘ Source Coquitlam.

¢ Upgrade. Seymour Dam
®* No filtration”. .
45% to 60 rechlorination stations “

iNeCutalong dotieding ne een ee noe

water biil

$130 average :

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- Plage mall your response by April 22, 1294 to:

Greater Vancouver Regional Di
6 . “Communications & Education Department

4330 Kingsway, Burnaby, BC VSH 4G8

: What this means .
-; (Water. currently cloudy about 2

# Medical Health Officers prefer chtoramination
if all three sources are not being filtered.’-

® Greater potential risk tc fish than rechiorination —

* Cloudiness raducad to 4 days per year

-» Meets 97% of proposed guidelines”

* Greater potential risk to fish than Techlorination
.* Chloramine reduced to lowest level possible

¢ Cloudiness eliminated .

e Mesis 100% of proposed guidali nes"

.° Medical Health Officers prefer chicramination
if all three sources are not deing filtered
-* Greater potential risk ta fish than rechlorination

¢ Cloudiness reduced to 18 days per year |
e Meets &5% of proposed guidelines** ;

¢ Greater potential risk to fish than rechlorination
* Chioramine reduced to lowest ievel possible
*Cicudiness eliminated.

* Meets 100% of proposed guidelines** -

° Cloudiness eliminated
* Meeis 100% of proposed guidelines**
‘2 Siting of neighbourhood stations required
° Rechiorination preferred by
government environmenta agencies

* Cioudiness eliminated

© Meets 100% of proposed guidelines” s**

* Chlorine reduced to lowest level possible
° Rechlorination preferred b

government environmental agencies ; |

* Cloudiness eliminated
» Meets 100% of proposed guidelines** .
* Siting of neighbourncod stations required
¢ Rachlorination prafarred by

government environmental agencies

© Cloudiness aliminated

+ Meats 100% of proposed guidelines**

« Chlorine reduced to lowest possible level

» Rechiorination preferred by _
government envizonmenta agencies

° Cloudiness reduced to4 days per year
.* Rechiorination preferred b

‘ & overnment environmental agencies 2
iting of neighbourhood stations required
5 Meets 92% of t proposed guidelines” “

*Cloudiriess radiicedto 18 days per year.
° Rachilorination preferred by

: government environmental agencies

neighbourhood required
§ Meets 75% cf proposed guidelines”

| prefer this

‘aption

~ (Check one)
OPTION ta

OPTION 1b-

CPTION 2a

OPTION 2b

OPTION 3a

OPTION 3b

OPTION 4a

OPTION 4b

~ OPTIONS

ict, Water Consultation Program

In addition to the.

option selected at the left
check the following
opiions if you feel they
should be added.

[| [Answer only if you selected
2a or &]
Filtration of Seymour source
with your water. bill rising $30
-per year higher than the.
option you selected. This
would reduce water
cloudiness from 18 days a
year to 4 days a year.
Will meet 95%of proposed
guidelines with
chicramination and 90% with
rechlorination.

_[[] fAnswer only if you selected

either 1a, 2a, 5 cr 6] :

If you selected filtration of
Seymour do you also want to
filter Capilano at a cost of
$40 more per year.on your
water bill. This would reduce
cloudiness from 4 days per
year to nearly zero days per
year. Will meet 99% of
proposed guidelines with

. chloramination and 96% with

rechlorination.

- Your wriiten comments are

welcome. Include them

with this form.

If you have a question about this
Feedback Form call the Water:
Consultation line at 436-6899.

If you would like to receive

‘information on the GVRD

Board's final decision please

- provide the following

information:

dul
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d more than two b

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‘Water consu
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