Water,
Год журнала:
2024,
Номер
16(24), С. 3599 - 3599
Опубликована: Дек. 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,
Год журнала:
2025,
Номер
15(1)
Опубликована: Март 3, 2025
Abstract
Human
health
is
at
risk
from
drinking
water
contamination,
which
causes
a
number
of
problems
in
many
parts
the
world.
The
geochemistry
groundwater,
its
quality,
origins
groundwater
pollution,
and
associated
risks
have
all
been
subject
substantial
research
recent
decades.
In
this
study,
west
Rosetta
Nile
branch
Delta
Aquifer
examined
for
potential.
Numerous
quality
indices
were
applied,
such
as
index
(WQI),
synthetic
pollution
(SPI)
models,
assessment
(HRA)
method.
limits
measured
parameters
are
used
to
test
validity
on
basis
WHO
recommendations.
TDS
southern
regions
within
desirable
allowable
with
percent
25.3%
29.33%,
respectively.
Nearly
study
area
has
value
HCO
3
,
Al
Ba.
Ca
Mg
values
center
south
portion
investigated
area,
whereas
north
unsuitable.
Na,
Cl
SO
4
fall
desired
level
but
become
unsuitable
towards
north.
Mn
NO
inappropriate
except
northwestern
part.
Fe
suitable
range
southwestern
regions.
Pb,
Zn,
Cu,
Cd
undetected
collected
samples.
Regarding
WQI
classified
into
classes
good,
poor,
very
poor
unfit
According
SPI
model,
20%,
18.7%,
8%
34.6%
samples
suitable,
slightly,
moderately,
highly
polluted
unfit,
respectively
Based
HRA,
Children
most
category
endangered
14.7%
overall
obtained,
followed
by
females
males
12%
8%,
This
offers
insights
conservation
management
coastal
aquifers’
supplies.
These
findings
significant
implications
developing
strategies
executing
preventative
actions
reduce
resource
vulnerability
related
hazards
West
Delta,
Egypt.
Water Environment Research,
Год журнала:
2025,
Номер
97(3)
Опубликована: Март 1, 2025
Abstract
Water
quality
deterioration
due
to
industrialization
and
urbanization
is
a
growing
environmental
concern,
particularly
in
developing
regions.
This
study
assesses
the
surface
water
of
Kurichi
Big
Lakes
Ukkadam
area,
Coimbatore,
India,
using
multivariate
statistical
techniques
identify
key
pollution
sources
evaluate
contamination
levels.
Despite
prior
research
on
urban
lakes,
limited
studies
have
systematically
analyzed
multiple
contaminants
advanced
approaches.
A
total
12
samples
were
collected
between
June
2023–June
2024
for
physicochemical,
microbiological,
anionic
parameters.
Principal
Component
Analysis
(PCA)
Factor
(FA)
revealed
three
dominant
components
explaining
68.42%
42.81%
variance
Lakes,
respectively.
The
Piper
plot
classified
types,
while
Cluster
(CA)
grouped
sampling
sites
based
Pearson
correlation
matrix
determined
pollutant
interdependencies,
Quality
Index
(WQI)
categorized
severity
against
WHO
BIS
standards.
results
indicate
that
organic
matter,
industrial
discharge,
fertilizer
runoff,
untreated
wastewater
are
primary
contributors
pollution.
High
levels
detected
near
zones,
with
Lake
exhibiting
significantly
poorer
than
Lake.
findings
highlight
urgent
need
improved
management
control
policies
safeguard
aquatic
ecosystems
public
health.
Practitioner
Points
Multivariate
Statistical
Analysis:
Applied
PCA,
FA,
plot,
CA,
assess
quality.
Classification:
Identified
Findings:
Three
major
explained
variation
Major
Pollution
Sources:
analysis
identified
compounds,
human
activity,
fertilizers,
chemical
waste,
discharge
as
contaminants.
Industrial
Area
Impact:
CA
WQI
highlighted
high
sensitivity
zones
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Окт. 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
