Nature Communications,
Journal Year:
2020,
Volume and Issue:
11(1)
Published: March 26, 2020
Abstract
Cities
evolve
through
phases
of
construction,
demolition,
vacancy,
and
redevelopment,
each
impacting
water
movement
at
the
land
surface
by
altering
soil
hydrologic
properties,
cover,
topography.
Currently
unknown
is
whether
variable
physical
vegetative
characteristics
associated
with
vacant
parcels
introduced
demolition
may
absorb
rainfall
thereby
diminish
stormwater
runoff.
To
investigate
this,
we
evaluate
how
lots
modulate
citywide
partitioning
synthesizing
a
novel
field
dataset
across
500+
in
Buffalo,
New
York,
USA.
Vacant
lot
infiltration
rates
vary
widely
(0.001
to
5.39
cm
h
−1
),
though
are
generally
well-vegetated
gently
sloped.
Extending
estimates
2400
parcels,
estimate
that
lands
cumulatively
infiltrate
51–54%
additional
annual
volume
as
compared
pre-demolition
state,
part
reducing
disconnecting
impervious
areas.
Our
findings
differentiate
purposeful
landscapes
can
alleviate
large
fluxes
into
aging
wastewater
infrastructure.
Water Research,
Journal Year:
2022,
Volume and Issue:
223, P. 118968 - 118968
Published: Aug. 9, 2022
Urban
wet-weather
discharges
from
combined
sewer
overflows
(CSO)
and
stormwater
outlets
(SWO)
are
a
potential
pathway
for
micropollutants
(trace
contaminants)
to
surface
waters,
posing
threat
the
environment
possible
water
reuse
applications.
Despite
large
efforts
monitor
in
last
decade,
gained
information
is
still
limited
scattered.
In
metastudy
we
performed
data-driven
analysis
of
measurements
collected
at
77
sites
(683
events,
297
detected
micropollutants)
over
decade
investigate
which
most
relevant
terms
1)
occurrence
2)
risk
aquatic
environment,
3)
estimate
minimum
number
data
be
monitoring
studies
reliably
obtain
concentration
estimates,
4)
provide
recommendations
future
campaigns.
We
highlight
prioritized
due
their
high
critical
levels
compared
environmental
quality
standards.
These
top-listed
include
contaminants
all
chemical
classes
(pesticides,
heavy
metals,
polycyclic
aromatic
hydrocarbons,
personal
care
products,
pharmaceuticals,
industrial
household
chemicals).
Analysis
30,000
event
mean
concentrations
shows
fraction
(>
50%)
were
below
limit
quantification,
stressing
need
reliable,
standard
procedures.
High
variability
was
observed
among
events
sites,
with
differences
between
micropollutant
classes.
The
required
reliable
site
(error
bandwidth
1
around
"true"
value)
depends
on
individual
micropollutant.
median
7
CSO
(2
31,
80%-interquantile)
6
SWO
(1
25
80%-interquantile).
Our
indicates
needed
assess
global
pollution
our
collection
can
used
an
urban
catchment.
demonstrates
how
programs
will
more
effective
if
consequences
inherent
considered.
Environmental Science & Technology,
Journal Year:
2023,
Volume and Issue:
57(10), P. 4143 - 4152
Published: March 2, 2023
To
assess
the
contamination
and
potential
risk
of
snow
melt
with
polar
compounds,
road
background
was
sampled
during
a
melting
event
at
23
sites
city
Leipzig
screened
for
489
chemicals
using
liquid
chromatography
high-resolution
mass
spectrometry
target
screening.
Additionally,
six
24
h
composite
samples
were
taken
from
influent
effluent
wastewater
treatment
plant
(WWTP)
event.
207
compounds
least
detected
once
(concentrations
between
0.80
ng/L
75
μg/L).
Consistent
patterns
traffic-related
dominated
chemical
profile
(58
in
concentrations
1.3
to
μg/L)
among
them
2-benzothiazole
sulfonic
acid
1-cyclohexyl-3-phenylurea
tire
wear
denatonium
used
as
bittern
vehicle
fluids.
Besides,
analysis
unveiled
presence
rubber
additive
6-PPD
its
transformation
product
N-(1.3-dimethylbutyl)-N′-phenyl-p-phenylenediamine
quinone
(6-PPDQ)
known
cause
acute
toxicity
sensitive
fish
species.
The
also
149
other
such
food
additives,
pharmaceuticals,
pesticides.
Several
biocides
identified
major
contributors,
more
site-specific
occurrence,
toxic
risks
algae
(five
samples)
invertebrates
(six
samples).
Ametryn,
flumioxazin,
1,2-cyclohexane
dicarboxylic
diisononyl
ester
are
main
contributing
algae,
while
etofenprox
bendiocarb
found
contributors
crustacean
risk.
Correlations
WWTP
flow
rate
allowed
us
discriminate
urban
runoff
sources
dominant
sources.
Removal
rates
showed
that
some
largely
eliminated
(removal
higher
than
80%)
6-PPDQ,
others
persisted
WWTP.
Water Research,
Journal Year:
2024,
Volume and Issue:
258, P. 121782 - 121782
Published: May 16, 2024
Urban
stormwater,
increasingly
seen
as
a
potential
water
resource
for
cities
and
towns,
contains
various
trace
organic
chemicals
(TrOCs).
This
study,
conducted
through
comprehensive
literature
review
of
116
publications,
provides
detailed
report
on
the
occurrence,
concentration
distribution,
health,
ecological
risks
TrOCs,
well
impact
land
use
rainfall
characteristics
their
concentrations.
The
uncovers
total
629
TrOCs
detected
at
least
once
in
urban
including
228
pesticides,
132
pharmaceutical
personal
care
products
(PPCPs),
29
polycyclic
aromatic
hydrocarbons
(PAHs),
30
per-
polyfluorinated
substances
(PFAS),
28
flame
retardants,
24
plasticizers,
22
polychlorinated
biphenyls
(PCBs),
nine
corrosion
inhibitors,
127
other
industrial
chemicals/intermediates/solvents.
Concentration
distributions
were
explored,
with
best
fit
being
log-normal
distribution.
Risk
assessment
highlighted
82
high
risk
quotients
(ERQ
>
1.0)
three
health
(HQ
1.0).
Notably,
14
(including
six
PAHs,
five
flame-retardants,
one
plasticizer)
out
68
analyzed
significantly
influenced
by
land-use
type.
Relatively
weak
relationships
observed
between
pollutant
concentrations,
warranting
further
investigation.
study
essential
information
about
occurrence
offering
valuable
insights
managing
these
emerging
concern.
Environmental Science & Technology,
Journal Year:
2021,
Volume and Issue:
55(5), P. 3009 - 3020
Published: Feb. 19, 2021
Stormwater
ponds
improve
water
quality
by
facilitating
the
sedimentation
of
particles
and
particulate
contaminants
from
urban
runoff.
Over
time,
this
function
entails
accumulation
contaminated
sediments,
which
must
be
removed
periodically
to
maintain
a
pond's
hydraulic
treatment
capacity.
In
study,
sediments
17
stormwater
facilities
four
Swedish
municipalities
were
analyzed
for
259
organic
substances
likely
found
in
environment.
A
total
92
detected
at
least
one
sample,
while
as
many
52
single
sample.
typical
profile
contamination
was
identified,
including
polychlorinated
biphenyls,
polycyclic
aromatic
hydrocarbons,
organotins,
aliphatic
phthalates,
aldehydes,
polybrominated
diphenyl
ethers,
perfluorinated
substances,
alkylphenols.
However,
levels
varied
greatly
between
ponds,
influenced
heavily
dilution
pollutants
wear
other
sources
such
eroded
soil,
sand,
or
natural
matter.
For
22
32
samples,
observed
concentrations
substance
exceeded
regulatory
threshold
values
derived
toxicity
data
both
sediment
soil.
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
915, P. 170068 - 170068
Published: Jan. 12, 2024
With
the
neo-metamorphosis
of
residential
landscape
worldwide
and
sluggish
sanitation
strategies
in
urban
environments,
rudimentary
on-site
systems
remain
commonly
used,
especially
developing
countries,
despite
risks
groundwater
contamination.
The
effective
management
such
water
resources
relies
on
assessment
sensitivity
anthropized
aquifers
to
man-made
impact,
including
behavioural
alteration,
terms
both
quality
quantity.
Associated
with
tracking
changes
land
use,
this
study
proposes
an
approach
involving
emerging
organic
contaminants
(EOCs)
as
indicators
alteration
balance
due
exposure
shallow
infiltration
untreated
wastewater
from
soak
pits.
This
methodology
was
applied
aquifer
beneath
agglomeration
Grand-Sfax
(Tunisia).
Combined
updated
follow-up
piezometric
fluctuations
relation
inputs
surface
contamination
sources,
spatialisation
levels
by
EOCs
provided
a
clear
delineation
most
impacted
zones.
revealed
significant
link
between
continuous
rise
contributions
accumulation
high
groundwater.
understanding
EOC
underground
pathways
allowed
determination
fates
processes
responsible
for
diffusion
throughout
studied
aquifer.
ability
reflect
population
life
style
use
patterns
molecules
also
assessed.
Besides
revealing
legacy
persistent
contamination,
tracers
different
persistence
spatial
observation
processes.
made
it
possible
develop
conceptual
presentation
vulnerability
pressures
predict
effects
subsequent
expansion
unplanned
urbanisation
quality.