Karadeniz Fen Bilimleri Dergisi,
Journal Year:
2024,
Volume and Issue:
14(4), P. 2082 - 2102
Published: Dec. 14, 2024
Domestic
water
demand
for
the
city
of
Sinop
has
been
supplied
by
Erfelek
Dam
Lake
on
Karasu
Stream
after
treatment
at
drinking
plant
Municipality,
Türkiye.
The
aim
this
study
is
to
assess
dam
lake
quality
firstly
with
reference
seven
parameters:
temperature,
hydrogen
ion
concentration,
dissolved
oxygen
electrical
conductivity,
turbidity,
total
iron,
and
manganese
ion.
It
suitability
human
consumption
lastly
six
more
indicators:
ammonium
nitrogen,
nitrite
nitrate
chlorine,
residual
copper
Daily
data
was
considered
two
periods,
each
which
one
year.
assessment
performed
according
Turkish
Surface
Water
Quality
Regulation
(TSWQR).
results
untreated
reservoir
waters
matched
permissible
levels
TSWQR.
On
other
hand,
safety
standards
imposed
Concerning
Intended
Human
Consumption.
In
addition,
index
(WQI)
values
years
2014
2023
were
calculated
Lake,
temporal
change
investigated.
Calculated
WQI
indicated
a
significant
deterioration
in
2023,
particularly
summer
months,
compared
2014.
With
study,
Province
assessed
first
time.
Environmental Geochemistry and Health,
Journal Year:
2024,
Volume and Issue:
46(8)
Published: July 5, 2024
Abstract
Water
scarcity
is
a
growing
concern
due
to
rapid
urbanization
and
population
growth.
This
study
assesses
spring
water
quality
at
20
stations
in
Giresun
province,
Türkiye,
focusing
on
potentially
toxic
elements
physicochemical
parameters.
The
Quality
Index
rated
most
samples
as
"excellent"
during
the
rainy
season
"good"
dry
season,
except
4
(40°
35′
12″
North/38°
26′
34″
East)
19
44′
28″
06′
53″
West),
indicating
"poor"
quality.
Mean
macro-element
concentrations
(mg/L)
were:
Ca
(34.27),
Na
(10.36),
Mg
(8.26),
K
(1.48).
trace
element
values
(μg/L)
Al
(1093),
Zn
(110.54),
Fe
(67.45),
Mn
(23.03),
Cu
(9.79),
As
(3.75),
Ni
(3.00),
Cr
(2.84),
Pb
(2.70),
Co
(1.93),
Cd
(0.76).
Health
risk
assessments
showed
minimal
non-carcinogenic
risks,
while
carcinogenic
from
arsenic
slightly
exceeded
safe
limits
(CR
=
1.75E−04).
Higher
were
increased
recharge,
arsenic-laden
surface
runoff,
human
activities.
Statistical
analyses
(PCA,
PCC,
HCA)
suggested
that
metals
physico-chemical
parameters
originated
lithogenic,
anthropogenic,
or
mixed
sources.
Regular
monitoring
of
recommended
mitigate
potential
public
health
risks
waterborne
contaminants.
Journal of Chemistry,
Journal Year:
2025,
Volume and Issue:
2025(1)
Published: Jan. 1, 2025
Spring
and
well
waters
are
among
the
most
important
sources
of
drinking
water
in
Gofa
Zone
rural
areas;
therefore,
it
is
vital
to
evaluate
quality
these
sources.
Hence,
this
study
aims
determine
physicochemical
parameters
metallic
mineral
concentration
with
its
associated
health
risks
selected
areas
zone,
Ethiopia.
The
purposive
sampling
method
was
used
for
sample
collection.
Standard
analytical
procedures
were
contents.
average
values
all
spring
well‐drinking
obtained
as
temperature
(20.73°C
20.30°C),
pH
(7.2
6.07),
electrical
conductivity
(481.13
µS/cm
584.24
µS/cm),
dissolved
oxygen
(4.09
6.07
mg/L),
turbidity
(1.60
NTU
6.55
NTU),
total
solids
(330.83
338.3
suspended
(84.76
89.24
chloride
concentrations
(58.15
60.47
SO
4
2−
ion
(68.50
mg/L
5.58
NO
3
+
(3.25
2.75
fluoride
(0.49
0.37
mg/L).
Health
risk
assessment
indicates
that
Co
metal
showed
high
hazard
indices
compared
Fe,
Cu,
Zn.
Additionally,
heavy
pollution
index
(MPI)
evaluation
(HEI)
indicate
Sawla
Kusti
(SSW5),
Geze
Mhirzho
Wola
(GGSW7),
Bulki
Guya
(BGWW8)
considered
highly
polluted
not
recommended
purposes.
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.