US Army Corps of Engineers Philadelphia District

Gre

enw

ay R

d

Rou

te 1

30

Wood Rd

Bar

low

Rd

Jefferson Rd

Tank Alley

Wheelock Rd

Gibbs Rd

Cha

dwic

k R

d

Pocasset Sandwich Rd

Arnold Rd

Snake Pond Rd

Green

way

Rd

By Pas

s

Snake Pond Rd

BA-5

C-16

BA-6

Kd Range

J-1 RANGE

K Range 1941

J-3 Rng(now) H Rng (30-50

K Range 1960

L Range

SE and SW Ranges (currentN Range (67-79)

M Rng (60s)M-2 Rng(40-50

M-3 Range (40-50s)

M Rng (70-80)M-1Rng(40-50

MUSKETRY RANGE 1

Mock Village

500 Yard Rifle Range

CURRENT O (SECOND G)

M-4 Range (40-50s)

Peters Pond

Snake Pond

J3 Wetland

Ox Pond

J1 J2

J3

FS-12( EDB)

CS-10( TCE)

0 2,000 4,0001,000

Feet

O

US Army CorpsUS Army Corpsof Engineersof EngineersPhiladelphia DistrictPhiladelphia District

Groundwater ModelingGroundwater Modeling

Problem IdentificationProblem Identification US Army CorpsUS Army Corpsof Engineersof EngineersPhiladelphia DistrictPhiladelphia District

AOC with Water WellsAOC with Water WellsFt Dix Groundwater StudyFt Dix Groundwater Study

Lang SuperfundSite

Lakehurst NAES

Data Collection and Data Collection and ProcessingProcessing

Millville Airport Rain Gage

0

2

4

6

8

10

12

Jan

-91

Jul-

91

Jan

-92

Jul-

92

Jan

-93

Jul-

93

Jan

-94

Jul-

94

Jan

-95

Jul-

95

Jan

-96

Jul-

96

Jan

-97

Jul-

97

Jan

-98

Jul-

98

Jan

-99

Jul-

99

Jan

-00

Jul-

00

Jan

-01

Jul-

01

Jan

-02

Jul-

02

Jan

-03

Jul-

03

Jan

-04

Jul-

04

Jan

-05

Ra

infa

ll (

in)

Monthly Rainfall Data

6 per. Mov. Avg.(Monthly RainfallData)

USGS 110237 - Natural area 1 obs

6

7

8

9

10

11

12

Jan2001

Jul2001

Jan2002

Jul2002

Jan2003

Jul2003

Jan2004

Jul2004

Jan2005

Jul2005

Jan2006

De

pth

(ft

bg

s)

2001high springlow fall

2002"high"springlow fall

2003high spring"low" fall

2004high springlow fall

normal dry wet normal


Data Needs

• Topographic• Surface Water Elevations• Geologic• Hydrogeologic

– Conductivities– Groundwater Total Heads

• Climate– Rainfall– Evapotranspiration– Recharge


• Pumping Information• Irrigation information• Steady State or

Transient • Contaminates• Water Chemistry• Density Flow

– Salinity – NAPL

Data Visualization – Plume Data Visualization – Plume PlotsPlots

Gre

enw

ay R

d

Rou

te 1

30

Wood Rd

Bar

low

Rd

Jefferson Rd

Tank Alley

Wheelock Rd

Gibbs Rd

Cha

dwic

k R

d

Pocasset Sandwich Rd

Arnold Rd

Snake Pond Rd

Green

way

Rd B

y Pas

s

Snake Pond Rd

BA-5

C-16

BA-6

Kd Range

J-1 RANGE

K Range 1941

J-3 Rng(now) H Rng (30-50

K Range 1960

L Range

SE and SW Ranges (currentN Range (67-79)

M Rng (60s)M-2 Rng(40-50

M-3 Range (40-50s)

M Rng (70-80)M-1Rng(40-50

MUSKETRY RANGE 1

Mock Village

500 Yard Rifle Range

CURRENT O (SECOND G)

M-4 Range (40-50s)

Peters Pond

Snake Pond

J3 Wetland

Ox Pond

J1 J2

J3

FS-12( EDB)

CS-10( TCE)

0 2,000 4,0001,000

Feet

O

HorizontHorizontalal VerticalVertical


Trash

Slurry Wall

Injection Well

Extraction Well

Data Visualization – 3-D Site-Data Visualization – 3-D Site-wide wide US Army CorpsUS Army Corps

of Engineersof EngineersPhiladelphia DistrictPhiladelphia District

Data Visualization – Plume Data Visualization – Plume PlotsPlots US Army CorpsUS Army Corps


Tranguch Gasoline SiteGroundwater Study

May 1998

Benzene Concentrations> 100 ppb

Spring 1995US Army Corps of Engineers,

Philadelphia District

Legend

Concentration (ppb)

10000

7500

5000

2500

100

Coal Mine

Well Location

GMS BoreholesBorehole Materials

Layer 1 - undifferentiated

Layer 2 - peat, clay, silt

Layer 3A - limestone

3-D Geologic 3-D Geologic ConceptualizationConceptualization US Army CorpsUS Army Corps


3-D Geologic 3-D Geologic ConceptualizationConceptualization US Army CorpsUS Army Corps


Surface Layer (2 vertical elements)Surface Layer (2 vertical elements)

Middle Layer (2 vertical elements)Middle Layer (2 vertical elements) Palm Beach/Biscayne AquiferPalm Beach/Biscayne Aquifer

Bottom Layer (2 vertical elements)Bottom Layer (2 vertical elements) Tamiami/Gray Limestone/OchopeeTamiami/Gray Limestone/Ochopee

A A’

A A’ •The conceptual geology model The conceptual geology model was developed in 2005 by was developed in 2005 by Jacksonville District based on Jacksonville District based on Jacksonville District’s South Jacksonville District’s South Florida Digital Elevation Model Florida Digital Elevation Model ReportReport

3-D Conceptual Models3-D Conceptual Models US Army CorpsUS Army Corpsof Engineersof EngineersPhiladelphia DistrictPhiladelphia District

Legend

Slurry Wall Location

Surface of Bad Trash

Water TableSurface

Location of Unsaturated Trash

Lipari Superfund SiteGroundwater Study

2008

US Army Corps of Engineers,Philadelphia District

Flow Models – Water SupplyFlow Models – Water Supply US Army CorpsUS Army Corpsof Engineersof EngineersPhiladelphia DistrictPhiladelphia District

Production PumpingPotomac C Total Head

Pot C production pumps

Contour Interval = 10 ft

U.S. Army Corps of EngineersPhiladelphia District

New Castle County DE Groundwater StudyProduction Pumping

Potomac C Total Head

5 miles

N

Flow

Flow

Del

awar

e R

iver

MD DE NJ

Che

sape

ake

Bay

Flow Models – Wetlands Flow Models – Wetlands PermitsPermits US Army CorpsUS Army Corps


Copper Mine

Swamp Creek

Flow Models – Design Flow Models – Design AnalysisAnalysis US Army CorpsUS Army Corps


Flow

Flow

Flow

Flow

Flow

GMS Boreholes

Proposed cut-of wall tip elevation(based on 02 MAR 2007 design)

Borehole Materials

Layer 1 - undifferentiated

Layer 2 - peat, clay, silt

Layer 3A - limestone

Herbert Hoover Dike Regional Groundwater

Flow Model

Lake Okeechobee

Flow Models – Capture Zone Flow Models – Capture Zone AnalysisAnalysis US Army CorpsUS Army Corps


Vineland ChemicalSuperfund SiteProposed New Recovery Wells

Well GPMRW01 0RW02 0RW03 60RW04 30RW05 50RW06 30RW07 40RW08 50RW09 15RW10 25RW11 50RW12 50RW13 30RW09a 50RW02a 50RW02b 80RW14 50Total 660

Flow Models – Flow Models – Surface/Subsurface InteractionSurface/Subsurface Interaction US Army CorpsUS Army Corps


Too much/too little water for the Too much/too little water for the Everglades/south Florida Everglades/south Florida ecosystemecosystem

Fragmentation of natural areasFragmentation of natural areas Degradation of water qualityDegradation of water quality Population growth and increased Population growth and increased

demanddemand Average of 1.7 billion gallons of Average of 1.7 billion gallons of

water a day lost to tidewater a day lost to tide

Everglades

Contaminant Transport Modeling Contaminant Transport Modeling - Superfund- Superfund US Army CorpsUS Army Corps


Upper Sand 1

Upper Sand 2

Banded Sand

Lower Clay

Lower Sand

Transport Run Resulting Plume – Cross Sectional View

July 1993 Flow Field, SJCC/GSC Superfund Site

SJCC/GSC Superfund Site(NAP)

AA

A’A’

AA A’A’

AA

A’A’


Dam Safety Analysis

Design FloodSTA 10+25High TailwaterConductivity Values – Set A

Material

Horizontal Hydraulic Conductivity (ft/d)

Vertical Hydraulic Conductivity (ft/d)

Uncompacted Earth Fill 0.05 0.005

Compacted Earth Fill 0.01 0.001

Dumped Rock Fill 1000 100

Dumped Rock Fill 300 30

Silty Sand 0.05 0.005

Sand and Gravel 10 1.0

Silty Sand 0.4 0.04

Sandy Gravel 1.8 0.9

Sand Gravel Boulders 100 5.0

Silt 0.005 0.0005

Silty Sand Gravel 0.5 0.05


Dam Safety Analysis

Services for A/E Contracts

•SOW - Write or Review

•Prepare Gov. Estimates and Schedules

•ITR Contractor Products


Collect Available Data

Construct Conceptual Model

Identify Data Gaps

Draft Data Collection SOW

Vertical Layers

Deltaic Sands

Clay Silt

Till

Limestone

Sandstone

Granite

Vertical Layers

Deltaic Sands

Clay Silt

Till

Limestone

Sandstone

Granite


Ft DrumCase Study

Modeling on the Cutting Edge of TechnologyModeling on the Cutting Edge of Technology

ADH


Internal Technical Reviews Internal Technical Reviews (ITR)(ITR) US Army CorpsUS Army Corps


Kootenia RiverITR for NWS

Documents

US Army Corps of Engineers Philadelphia District