Water Environment Research,
Journal Year:
2025,
Volume and Issue:
97(2)
Published: Feb. 1, 2025
Abstract
The
Ömerli
Dam,
supplied
by
multiple
rivers
that
provide
a
major
amount
of
Istanbul's
water
demands
for
drinking
and
irrigation,
is
experiencing
toxicological
threats
due
to
rapid
expansion,
increased
industrial
activity,
population
growth
in
light
the
impending
global
drought.
In
this
study,
multivariate
statistical
analysis
spatial
distribution
based
on
geographic
information
system
(GIS)
was
used
examine
status
pollution
health
risk,
irrigation
quality,
stochastic
geo‐environmental
risk
sources
16
potentially
toxic
elements
(PTEs:
Na,
Mg,
K,
Ca,
Al,
Cr,
Mn,
Fe,
Co,
Ni,
Cu,
Zn,
As,
Cd,
Hg,
Pb)
concentrations
from
samples
dam.
Also,
analyzing
quality
indices
assess
dam's
feasibility
drinking.
As
per
results
dam
has
mild
heavy
metal
(loid)
pollution,
which
measured
at
PTE
index
(HPI)
evaluation
(HEI)
values.
level
low
during
rainy
season
moderate
dry
season.
sampling
station
S3
(HPI
=
146.50)
unfit
consumption
cannot
be
majority
harmful
species
exhibited
elevated
(notably
Pb:
51.78
μg/L,
Cr:
8.55
μg/L)
lake
water,
particularly
metals
Pb
Cd
account
15.95%
total
variance,
with
high
degree
loading.
Lead
were
found
above
WHO
USEPA
limit
values
only
S2
S4
wet
season,
but
0.01
mg/L
all
stations
except
S1
dry.
Dam
acceptable
agricultural
use,
according
the,
sodium
absorption
rate,
percentage
Na
magnesium
damage
index,
average
SAR
<
0.9,
Na%
25,
MH
50,
respectively.
HQ
ingestion
HI
(all
less
than
1
PTEs)
indicate
noncarcinogenic
impacts
might
occur.
Practitioner
Points
provides
most
potable
needs
mega
city
like
Istanbul.
With
surface
its
possible
effects
human
analyzed
first
time
spatially
wide
scale.
Soil and Sediment Contamination An International Journal,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 17
Published: Jan. 24, 2024
Gilgit
River
Basin
(GRB)
is
one
of
the
primary
fluvial
aquatic
systems
flowing
through
Gilgit-Baltistan
and
a
water
source
for
recreation,
fisheries,
irrigation,
drinking
to
more
than
1.8
million
people.
This
study
aimed
investigate
heavy
metals
(HM)
contamination
levels
in
sediments
GRB,
northern
Pakistan.
Fifty-five
samples
were
picked
from
various
sections
GRB
examined
HM
concentrations.
Fe
showed
maximum
average
concentration
27,743
mg/kg,
while
Cd
was
noted
with
minimum
1.06
mg/kg.
concentrations
within
world
river
system
guidelines
except
Cd,
which
also
surpassed
sediment
quality
set
by
USEPA.
used
geospatial
ecotoxicological
risk
indices.
Geospatial
analyses
higher
Ishkomen
GRB.
low
moderate
exposed
ecosystems.
Statistical
apportionment
suggesting
major
contribution
natural
activities.
recommends
seasonal
variation
studies
International Journal of Environmental & Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 17
Published: June 11, 2024
The
presence
of
high
concentrations
certain
heavy
metals
(HMs)
in
drinking
water
poses
a
serious
threat
to
the
health
consumers.
This
work
was
done
investigate
concentration
such
as
Arsenic
(As)
cadmium
(Cd),
chromium
(Cr),
iron
(Fe),
mercury
(Hg),
nickel
(Ni),
lead
(Pb)
and
cobalt
(Co)
resources
two
cities
Iranshahr
Nikshahr
south
Sistan
Baluchistan
province.
For
this
aim,
24
samples
sources
were
collected
determined
by
inductively
coupled
plasma-mass
spectrometry
(ICP-MS).
results
these
networks
showed
that
average
Pb
(11.25
μg/L),
Hg
(10.33
As
(10.62
μg/L)
Cd
(3.45
far
exceeds
standard
World
Health
Organisation.
is
respectively
Fe>Pb>As>Hg>Ni>Cr>Co>Cd
Fe>Pb>As>
Ni
>
Cr
>Co>Cd>
Hg.
Potential
pollution
study
are
attributed
infiltration
industrial
effluents
agricultural
runoff,
which
significant
groundwater
quality.
calculated
hazard
quotients
(HQ(values
for
non-carcinogenic
risk
show
value
less
than
1
most
metals,
but
index)HI)
children
greater
1,
evident.
HI
obtained
5.4
adults
2.6.
However,
carcinogenics
equal
2.66
E-05
and1.3E–6,
respectively,
increase
cancer
higher
due
consumption
water.
Therefore,
it
necessary
protect
sources,
treatment
monitor
more
distribution
based
on
safety
plan.
Toxics,
Journal Year:
2024,
Volume and Issue:
12(1), P. 71 - 71
Published: Jan. 15, 2024
The
occurrence
and
distribution
of
yttrium
rare
earth
elements
(REYs),
along
with
major
heavy
metal(loid)s
(HMs)
in
coal
fly
ash
(CFA)
from
five
coal-fired
power
plants
(CFPPs),
were
analyzed,
the
REY-associated
ecological
health
risks
assessed.
individual
REYs
CFA
abundant
following
order:
Ce
>
La
Nd
Y
Pr
Gd
Sm
Dy
Er
Yb
Eu
Ho
Tb
Tm
Lu.
total
REY
content
ranged
135
to
362
mg/kg,
averaging
302
mg/kg.
mean
light-to-heavy
ratio
was
4.1,
indicating
prevalent
light
enrichment
CFA.
Significantly
positive
correlations
between
suggested
that
they
coexist
share
similar
origins
estimated
pose
low
moderate
risks,
risk
index
(RI)
values
ranging
66
245.
hazard
(HI)
target
cancer
(TCR)
CFA,
be
higher
for
children
(HIc
=
0.15,
TCRc
8.4
×
10−16)
than
adults
(HIa
0.017,
TCRa
3.6
10−16),
well
below
safety
limits
(HI
1,
TCR
1.0
10−6).
However,
danger
human
posed
by
HMs
same
samples
5.74,
2.6
10−4,
1.1
10−4)
exceeded
safe
thresholds
(excl.
HIa
0.63).
RI
HI
attributed
14%
2.6%,
respectively,
include
HMs.
Soil and Sediment Contamination An International Journal,
Journal Year:
2024,
Volume and Issue:
33(8), P. 1269 - 1295
Published: Feb. 13, 2024
Heavy
metals
(HMs)
contamination
in
sediment
presents
a
straightforward
issue,
particularly
noticeable
developing
nations.
Addressing
this
problem
requires
an
extensive
inquiry
into
the
present
situation
and
potential
remedies
to
keep
safe
environment.
This
document
compiles
statistical
procedures
concerning
various
heavy
such
as
chromium
(Cr),
nickel
(Ni),
copper
(Cu),
cadmium
(Cd),
lead
(Pb),
arsenic
(As)
that
are
available
sediments
from
Bangladesh
spanning
years
1998
2021.
The
average
levels
of
Ni,
Cu,
Cd,
Pb,
As
data
exceeded
corresponding
background
values,
upper
continental
crust
toxicity
reference
indicating
severe
by
metals.
Metal
concentrations
(Cr,
As)
generally
remained
lower
than
shale
except
for
Cd
Pb.
By
utilizing
Pearson
correlation
coefficient
(CCA)
principal
component
analysis
(PCA),
it
was
evidenced
human
activities,
apart
natural
ecological
factors,
stand
primary
sources
metal
pollution
Bangladeshi
waterways.
emerged
key
contributor
heightened
riverine
sediments,
indicated
indices,
signifying
hazard.
Overall,
underscored
significant
risk
posed
considered
hazardous
To
mitigate
levels,
strategies
reducing
discharges
at
their
origins
implementing
phytoremediation
techniques
sediment,
along
with
improving
effluent
treatment
facilities,
could
aid
alleviating
issue.
Frontiers in Environmental Science,
Journal Year:
2024,
Volume and Issue:
12
Published: Oct. 21, 2024
Sediment
pollution
from
potentially
hazardous
elements
(PHE)
generated
by
human
activity
has
grown
into
a
worldwide
problem.
In
this
regard,
for
the
first
time,
surface
sediment
samples
were
obtained
six
points
along
Shahid
Rajaee
Reservoir
investigation.
Elements
concentrations
(Cu,
Cr,
Co,
Mn,
Fe,
Pb,
Ni,
and
Zn)
assessed
using
ICP-MS.
Based
on
individual
indices
(geoaccumulation
index,
contamination
factor),
all
at
sample
sites
found
to
be
low
in
contamination,
except
Pb
Zn
(at
1
2).
The
combined
effect
of
PHEs
did
not
show
considerable
concern,
according
synergistic
indices.
health
risk
assessment
revealed
that
recreational
receptors
unlikely
face
non-carcinogenic
or
carcinogenic
hazards
as
consequence
exposure
sediments
with
unintentional
ingesting
contact
skin.
Tessier
technique
demonstrated
mostly
connected
oxidizable
fraction.
According
statistical
study,
while
Cu,
Mn
lithogenic
sources,
came
natural
well
human-made
sources.
