HomeMy WebLinkAboutThe Lucknow Sentinel, 1997-06-11, Page 6Page 6 -- Locknow Sentinel, Wednesday, June 11, 1997
FE•A•ToUoR•f•N•G•
Fat Free Ice'Cream
& .
Sugar .free Ice Dream
528-2180
Plastic
or I'
Sisal
Check our Prices
DAUPHIN
FEED & SUPPLY
DUNGANNON WALTON
519 529-7951 - 529-3133 519 887-6023
1 800'665-5675
E. cob. contaminated water
linked tQ gastrointestinal illness
For the first time in bacterium for the presence
North America,. a study of fecal contamination.
has shown a link between The study looked at a
gastrointestinal illness and group of 1..88 faun families
the drinking of private well in southern Ontario:
water contaminated by
escherichia coli bacteria.
Although long suspected,
the link has neYer before
'been demonstrated.
The epidemiological
"These results are not , a .
cause for alarm, although
the study highlights the
need for well owners' to
test their wells regularly
throughout the year," -says
study conducted at the Jeff Wilson, a U of G epi
.University of Guelph ' dermiologist whoconduct-
found that farm families ed the study with Michael
are twice•as likely to suffer Goss of the Centre 'for
'from gastrointestinal ill- Land and Water
ness (vomiting and diar- Stewardship at U of G and
rhea) if they drink private •, several postgraduate and
well water contaminated graduate students.
with E:, coli,an indicator . 'The study found that the
contamination of the wells
tended to be episodic in
nature and was more
prevalent in the summer
than in the winter.
the study, well-
water samples were col-
lected five timesaver the
course of a year, from
February. 1994 to February
4995. The samples were
tested for the presence of
E. coli and 'total coliform.
bacteria at .the Palrnerston
Public Health Laboratory,
Ministry of Health. Nitrate
and . , pesticide residues
were also monitored dur-
ing the study. • ' -
Families -involved in .the
For
stddy ' agreed to ' keep
diaries documenting gas-
trointestinal illnesses and. •
symptoms and filled out
questionnaires about their
wells and lifestyles. The
study • was limited to an
examination of gastroin-
testinal illnesses.
The 188 fail ilies in, the
study were selected from
1,300 families who partici-
pated in a 1991/92 Ontario
farm ground-waterr quality
survey, which found that
20 per cent of provincial
wells exceeded the Ontario
drinking -water objectives
for fecal coliform bacteria.
'turn to page 8
Study increase in nitrate
contamination in.well water,
Rural wells in Ontario from almost nil in 1955 to by 1992,, that figure, was
are more 'contaminated today's average of 50 kilo- just 14 per cent, according
today than they were 40 grams per hectare across to analysis' of .water from,
years ago, but not from all agricultural land. 1,300 wells tested as part
nitrogen fertilizer, a Twenty-five tithes more of . the Ontario farm
University of Guelpb study • nitrogen fertilizer is being ground -water quality sur-
has found, sold. in :Ontario .now cam- vey.
A comparison of well • :pared with 45 . years ago, In 'contrast,:' the itrci-.
contamination in 1955 and . • but it has not affected well deuce Of E. colt rose from
1992 shows the incidence water composition, says almost 15 per cent of well
of Escherichia call bacteria . Michael Goss of U of G's water . samples in '1955 to
rose significantly; but .the. Centre for Land and Water .24.3 per cent. in '1992.
presence of nitrate' has Stewardship. , Current studies at U of G
basically, stayed constant. : In 1955, nitrate contain- are examining the '.trans -
This , is, noteworthy : ination--more than 10,mil portation: of • bacteria
'• because the average llgranis of 'nitrate nitrogen •• through the soil and .the
Ontario farmer'suse of per Titre of water (the , health implications of
nitrogen ' 'fertilizer grew :allowable :linu't in, Ontario. drinking E coliTcontami
far drinking water -sup=; bated water, ' "
plies) -- affected• 13:8. per The ,:greatest single
cent of the 484 well -water source of nitrate • in the
samples' tested by U. of G; soil= -about half -is decay
:NOW and DISTI ICT.
ThUtsdayJ.unei
7:00 PM 9:00 PM.
,
SaturdayJune:14t",
10:00 AM -12:00 . Noon
Lucknow and District
Sport Complex
(Multi -Purpose Room)
th..
,There will be TWO swimming sessions•
:'starting: Monday July-7-th:,to July 18th
'Monday July 28th to..August .8th
ON REGISTRATION DAY: Please know:.
• Prior.Years:Levet Attained
Time 'Desired
Which Session
Health.Card Number (Child)
REGISTRATION FEE
Aquaquest •Levees 1-4 - $4(° per child
Aquaquest l euels 5-12 - s5O00; per child
Maximum 515006 . ' ` Swim Team 530°0.
Bronze Medallion 6950°
Bronze $750° Aqualeaders s 1 000°
•
40 years:
ing organic (plant) matter,
whichbreaks' down or
".mineralizes" in the soil:
Another . major , organic
source : is animal manure.
Over the • past • 40'• years, -
appreciably more nitrogen
from animal' manure has
gone on to farmland than
from nitrogen fertilizer.
"If we want less nitrate
contamination- in Ontario
wells, we need to learn
how to manage organic
sources of nitrogen," says
Goss, 'but' it's-, very diffi-
cult
to reach synchronicity
between the plant'sneeds
and the • natural : production
of nitrate''
Crops have high nitro
•turn to page 8 •
';it's raining, it's pouring but that was no deterrent to these cowboys
who tipped their hats as they continued to give rides in Don Scott's
replica stage coach during Western Day festivities last Saturday.
(Livingston photo)