Air Soil and Water Research,
Journal Year:
2025,
Volume and Issue:
18
Published: Jan. 1, 2025
Groundwater
is
an
invaluable
natural
resource
that
sustains
human
life
and
supports
the
economic
development
of
nations.
However,
its
unsustainable
utilization
has
emerged
as
a
critical
issue,
particularly
in
developing
countries.
This
study
investigates
groundwater
potential
Chemoga
watershed
to
address
these
challenges.
Conventional
assessments
have
typically
relied
on
labor-intensive
time-consuming
field
surveys,
which
are
resource-demanding
often
fail
provide
accurate
estimates
due
inherent
complexity
systems.
In
response,
this
research
utilizes
geospatial
analytic
hierarchy
process
(AHP)
techniques
assess
Watershed,
aiming
overcome
Eight
biophysical
environmental
factors:
geology,
slope,
rainfall,
land
use/land
cover
(LULC),
soil
type,
elevation,
lineament
density,
drainage
density
were
selected
for
analysis
using
Saaty’s
AHP
methodology.
Data
was
gathered
from
satellite
imagery,
existing
thematic
maps,
local
water
offices,
national
meteorological
agencies.
The
integration
maps
performed
through
weighted
overlay
ArcGIS
10.8,
resulted
delineation
zones
(GWPZ).
model
validated
by
cross-referencing
generated
GWPZ
with
data
dug
wells
boreholes.
results
reveal
five
zones:
very
high
(0.73%),
(24.39%),
moderate
(43.38%),
poor
(31.25%),
(0.25%).
most
suitable
south,
southeast,
southwest
watershed,
near
Debre
Markos
Town.
These
high-potential
significant
81.5%
match
ground
truth
shallow
wells.
findings
crucial
insights
decision-makers,
enabling
formulation
more
effective
management
strategies.
By
identifying
cost-effective
well
sites,
contributes
ensuring
sustainable
supply
Environmental Geochemistry and Health,
Journal Year:
2025,
Volume and Issue:
47(4)
Published: March 13, 2025
Abstract
In
attention
to
the
Sustainable
Development
Goal
6,
quality
evaluation
of
water
resources
in
Mexico
is
limited
compared
other
regions.
This
study
provided
new
data
from
Oriental
Basin,
an
important
socio-economic
region
with
up
20%
population
growth
over
last
decade
by
assessing
groundwater
Libres-Oriental
aquifer
(Ca–Mg–HCO
3
facies;
F
−
:
2.5–9.9
mg/L;
NO
75.3
mg/L)
and
Totolcingo
Lake
(Na–Cl
12.7–13.2
<
0.75
mg/L).
Fluoride
content
grouped
about
80%
samples
as
promotor
dental
skeletal
fluorosis.
Nitrate
Pollution
Index
suggested
moderate
pollution
very
significant
10%
samples.
Possible
exposure
older
adults
elderly
pregnant
women
fluorosis
all
(Hazard
Quotient
>
1)
Basin
55%
them
might
also
be
causing
infants
suggest
a
potential
health
risk
hotspot
eastern-central
Mexico.
Even
though
did
not
contain
enough
cause
methemoglobinemia,
their
boiling
for
drinking
could
enhance
nitrate
beyond
WHO
limit.
Thus,
mitigation
techniques
diminish
risks
consuming
population.
