International Journal of Environmental Research and Public Health,
Journal Year:
2024,
Volume and Issue:
21(11), P. 1444 - 1444
Published: Oct. 30, 2024
There
is
a
lack
of
groundwater
quality
monitoring,
especially
in
developing
countries
like
South
Africa.
This
study
aimed
to
evaluate
borehole
water
quality.
Groundwater
was
analysed
for
pH,
dissolved
oxygen
(DO),
temperature,
electrical
conductivity
(EC),
total
solids
(TDSs),
turbidity,
chemical
demand
(COD),
nitrogen
(N),
sulphate
(SO
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(17), P. e36765 - e36765
Published: Aug. 23, 2024
In
slums
and
urban
areas
with
unplanned
housing
such
as
in
the
city
of
Yaounde,
Cameroon,
poor
water
quality
inadequate
sanitation
pose
significant
health
risks.
The
absence
locally-defined
sanitary
boundaries,
tailored
to
hydrogeological
conditions,
hinders
effective
zoning
land
use
planning,
exacerbating
environmental
degradation
hazards.
this
study,
boundary
between
drinking
wells
sources
pollution
Yaoundé
was
defined
using
statistical
analysis
techniques
Geographic
Information
Systems
(GIS).
Groundwater
Quality
Index
(GWQI)
certain
parameters
affecting
notably
transmissivity
aquifer
well
depth
were
used
establish
equation
which
then
interpolated
a
GIS
environment
obtain
map
study
area.
linear
deduced
from
factors
boundaries
for
nominal
value
GWQI
(GWQI
=
25).
Of
112
analysed,
37
%
had
an
excellent
GWQI,
16
good
while
remaining
47
poor.
Statistical
showed
strong
correlation
groundwater
pollution,
distance
pit
latrines
(r
−0.753),
formation
0.671)
-
0.855)
but
no
elevation
0.017)
age
0.090).
Linear
regression
confirmed
association
main
(p
≤
0.05).
A
coefficient
determination
R2
0.85
obtained
when
validating
plot
based
on
independent
data
measured
predicted
GWQI.
shows
that
our
area
should
be
located
39
m
370
m,
average
215
m.
New
regulations
are
essential
prevent
pollution.Graphical
abstract
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
957, P. 177418 - 177418
Published: Nov. 16, 2024
Groundwater
contamination
poses
significant
challenges
to
public
health
and
sustainable
development
in
Malawi,
where
approximately
80
%
of
the
population
relies
on
groundwater
sources
for
drinking
water.
This
study
investigates
presence
drivers
nitrate
E.
coli
used
drinking.
Analysis
was
conducted
results
from
3388
boreholes/tube
wells
2418
water
drawn
contamination.
Overall,
6.11
57.2
water-points
did
not
meet
WHO
guidelines
safe
quality
contamination,
respectively.
Through
a
mixed-method
approach,
utilizing
generalised
linear
mixed
models
random
forest
regression
modelling,
identifies
factors
relating
sanitation
usage
as
critical
both
E
Pit-latrine
identified
particularly
important
factor
contamination;
accounting
pit
latrine
density
specifically,
rather
than
density,
resulted
better
model
prediction
high
indicating
that
consideration
specific
type
is
predicting
quality.
In
addition,
stable
isotope
tracer
analysis
method
validate
predictions
monitor
piloted,
identifying
human
waste
likely
source
this
underscores
urgency
addressing
sanitation-related
ensure
access
low-income
settings.
Environmental Science and Pollution Research,
Journal Year:
2024,
Volume and Issue:
31(40), P. 52948 - 52962
Published: Aug. 21, 2024
Abstract
In
Fiji,
90%
of
the
population
has
access
to
basic
sanitation;
however,
there
are
still
persistent
health
risks
from
endemic
faecal-oral
diseases
such
as
typhoid
fever.
There
is
a
need
assess
contribution
existing
sanitation
facilities
in
faecal
pathogen
transmission
pathway.
This
study
was
conducted
part
larger
planetary
across
29
rural
communities
within
five
river
catchments.
specific
research
aimed
characterise
latrine
front-ends,
both
infrastructure
and
usage
behaviour,
contamination
levels
on
various
frequently
contacted
surfaces
Fiji.
A
survey,
along
with
observation
swab
sampling,
households
over
three
phases:
baseline
(
n
=
311)
(Aug–Dec
2019),
endline
262)
(Jun–Sep
2022)
an
in-depth
front-end
12)
(Oct–Nov
2022).
Of
311
households,
almost
all
had
pedestal-type
latrines,
predominately
cistern-flush
(83%),
followed
by
pour-flush
(13%),
then
hole-type
(pit)
latrines
(4%).
Washable
floors
significantly
higher
E.
coli
densities
(6.7
×
10
2
CFU/25
cm
)
compared
non-washable
(1.3
p
0.05),
despite
washable
indicating
improved
latrines.
The
analysis
found
that
moist
elevated
(1.2
3
dry
ones
(14.3
<
0.001),
highlighting
importance
maintaining
surfaces.
Latrine
mid-walls
were
most
contaminated
surfaces,
emphasising
clean
disinfect
these
Only
46%
reported
always
using
soap
for
handwashing
after
defecation,
exacerbating
risk
transmitting
pathogens.
highlights
cleanliness
hygiene
crucial
infrastructures
effective
disruption
pathogens
during
use.
International Journal of Environmental Research and Public Health,
Journal Year:
2024,
Volume and Issue:
21(11), P. 1444 - 1444
Published: Oct. 30, 2024
There
is
a
lack
of
groundwater
quality
monitoring,
especially
in
developing
countries
like
South
Africa.
This
study
aimed
to
evaluate
borehole
water
quality.
Groundwater
was
analysed
for
pH,
dissolved
oxygen
(DO),
temperature,
electrical
conductivity
(EC),
total
solids
(TDSs),
turbidity,
chemical
demand
(COD),
nitrogen
(N),
sulphate
(SO
