Water,
Journal Year:
2024,
Volume and Issue:
16(24), P. 3599 - 3599
Published: Dec. 13, 2024
With
rapid
urbanization,
intensified
agricultural
activities,
and
industrialization,
groundwater
resources
are
increasingly
threatened
by
pollution.
Industrial
wastewater
discharge
the
extensive
use
of
fertilizers
in
particular,
have
had
substantial
impacts
on
quality.
This
study
examines
18
samples
collected
from
main
urban
area
Yibin
City
to
assess
hydrochemical
characteristics,
spatial
distribution,
source
attribution,
water
quality,
human
health
risks.
Statistical
analysis
reveals
significant
exceedances
TDS,
NO3−,
Mn,
As
levels
groundwater,
with
elevated
concentrations
B
as
well.
Isotopic
identifies
atmospheric
rainfall
primary
recharge
for
area,
water–rock
interactions
limestone
dissolution
playing
key
roles
shaping
its
chemical
composition.
Applying
Entropy-Weighted
Water
Quality
Index
(EWQI)
a
comprehensive
quality
assessment,
found
that
94.44%
were
rated
“good”,
indicating
relatively
high
overall
Deterministic
risk
assessments
indicate
72.22%
non-carcinogenic
risks
below
threshold
1,
while
66.67%
carcinogenic
1.00
×
10−4.
Monte
Carlo
simulations
produced
similar
results,
reinforcing
reliability
assessment.
Although
area’s
is
generally
good,
persists,
underscoring
need
ensure
safety
drinking
household
local
residents.
provides
valuable
reference
rational
management
remediation
resources.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Oct. 26, 2024
Swiftly
increasing
population
and
industrial
developments
of
urban
areas
has
accelerated
the
worsening
water
quality
in
recent
years.
Groundwater
samples
from
different
locations
Doon
valley,
Garhwal
Himalaya
were
analyzed
to
measure
concentrations
six
potential
toxic
elements
(PTEs)
viz.
chromium
(Cr),
nickel
(Ni),
arsenic
(As),
molybdenum
(Mo),
cadmium
(Cd),
lead
(Pb)
using
Inductively
Coupled
Plasma
Mass
Spectrometer
(ICP-MS)
with
aim
study
spatial
distribution
associated
hazards.
In
addition,
machine
learning
algorithms
have
been
used
for
prediction
identification
influencing
PTEs.
The
results
inferred
that
mean
values
(in
units
µg
L
Toxics,
Journal Year:
2024,
Volume and Issue:
12(9), P. 673 - 673
Published: Sept. 15, 2024
Contamination
with
potentially
toxic
elements
(PTEs)
frequently
occurs
in
surface
water
coal
mining
areas.
This
study
analyzed
34
samples
collected
from
the
Yunnan–Guizhou
Plateau
for
their
hydrochemical
characteristics,
spatial
distribution,
source
apportionment,
and
human
health
risks.
Our
statistical
analysis
showed
that
average
concentrations
of
PTEs
ranked
as
follows:
Fe
>
Al
Zn
Mn
Ba
B>
Ni
Li
Cd
Mo
Cu
Co
Hg
Se
As
Pb
Sb.
The
revealed
high
Fe,
Al,
were
predominantly
distributed
main
stream,
Xichong
River,
Yangchang
River.
Positive
matrix
factorization
(PMF)
identified
four
sources
water.
Hg,
As,
originated
wastewater
discharged
by
preparation
plants
mines.
Mo,
Li,
B
dissolution
clay
minerals
seams.
Elevated
Cu,
Mn,
Co,
attributed
to
kaolinite,
illite,
chalcopyrite,
pyrite,
associated
Cd,
Zn,
derived
melting
traffic
release.
deterministic
risks
assessment
94.12%
presented
non-carcinogenic
below
limit
1.
Meanwhile,
73.56%
elevated
posed
level
III
carcinogenic
risk
local
populations.
Special
attention
drinking
safety
children
is
warranted
due
lower
metabolic
capacity
detoxifying
PTEs.
provides
insight
PTE
management
sustainable
environments.
Water Science & Technology Water Supply,
Journal Year:
2024,
Volume and Issue:
24(11), P. 3954 - 3964
Published: Oct. 30, 2024
ABSTRACT
Samples
of
edaphotopes
were
taken
from
a
depth
0–15
cm
for
analyses
in
this
study.
It
was
found
that
the
water
areas
Hnidavske
swamp
and
Teremniv
ponds
most
polluted.
The
level
Zn
(0.01
mg/dm3)
exceeded
maximum
permissible
concentration
(MPC)
at
site
5
(Lypnyany
village,
outside
city
Lutsk,
content
0.015
marsh
(0.019
mg/dm3).
At
all
study
sites,
Cr
(0.001
ranging
0.002
to
0.005
mg/dm3,
Co
(0.005
0.008
0.01
Ni
0.02
0.036
mg/dm3
also
exceed
MPC.
However,
Cd
levels
did
not
MPC
within
normal
range
sites
(0.0016–0.003
Water,
Journal Year:
2024,
Volume and Issue:
16(24), P. 3599 - 3599
Published: Dec. 13, 2024
With
rapid
urbanization,
intensified
agricultural
activities,
and
industrialization,
groundwater
resources
are
increasingly
threatened
by
pollution.
Industrial
wastewater
discharge
the
extensive
use
of
fertilizers
in
particular,
have
had
substantial
impacts
on
quality.
This
study
examines
18
samples
collected
from
main
urban
area
Yibin
City
to
assess
hydrochemical
characteristics,
spatial
distribution,
source
attribution,
water
quality,
human
health
risks.
Statistical
analysis
reveals
significant
exceedances
TDS,
NO3−,
Mn,
As
levels
groundwater,
with
elevated
concentrations
B
as
well.
Isotopic
identifies
atmospheric
rainfall
primary
recharge
for
area,
water–rock
interactions
limestone
dissolution
playing
key
roles
shaping
its
chemical
composition.
Applying
Entropy-Weighted
Water
Quality
Index
(EWQI)
a
comprehensive
quality
assessment,
found
that
94.44%
were
rated
“good”,
indicating
relatively
high
overall
Deterministic
risk
assessments
indicate
72.22%
non-carcinogenic
risks
below
threshold
1,
while
66.67%
carcinogenic
1.00
×
10−4.
Monte
Carlo
simulations
produced
similar
results,
reinforcing
reliability
assessment.
Although
area’s
is
generally
good,
persists,
underscoring
need
ensure
safety
drinking
household
local
residents.
provides
valuable
reference
rational
management
remediation
resources.
