Theodore V. Hromadka II, Ph.D., Ph.D., Ph.D., P.H., P.E.
Principal Engineer

ted_expert_witness

LITIGATION HISTORY:
(CASES PROCEEDED AFTER EXPERT EVALUATION)

Confidential

Time Frame
Deposition
Trial
Claim
Client Confidential 1997 N N 2,000,000
Soil contamination; fuel oil; three sites of groundwater contamination.

Client Confidential 2000-2001 N N 2,000,000
Two flood events. Radar/rainfall analysis, statistics, hydrology, hydraulics

Client Confidential 1984 Y Y 2,000,000

1986 Y Y 1,000,000

1991 Y Y 1,500,000

1992 Y Y 1,000,000

1994 Y N 3,000,000
Landslide failure of homes. Erosion, flood flow analysis, hydrology, hydraulics, construction practices, landslide failure, seepage, irrigation, beach drainage, debris basin design, weatherproofing slide.

Client Confidential 1992 N N 5,000,000
Flood flows and diversion of flows onto landowners. Hydrology, hydraulics, floodplain analysis.

Client Confidential 2006 Y N 5,000,000
Floodplain determination, debris flow, Doppler radar, hydraulics, Dam storage.

Client Confidential 1998 N N 20,000,000
Derailment of passenger train. Dam outflow, sediment transport, hydrology, hydraulics, erosion, scour.

Client Confidential 2000-2001 Y Y 1,000,000
Hydrology, hydraulics, rainfall, radar, friction factors.

Client Confidential 1989-90 N N 2,000,000
Flood Damage due to Sacramento levee failure in Delta farmlands. Hydrology, hydraulics, floodplain analysis, soil-water seepage, groundwater flow, levee erosion.

Client Confidential 1997-98 N N 1,000,000
Flood analysis of a sump area near Los Angeles International Airport. Hydraulics, hydrology, damage evaluation.

Client Confidential 1995-96 N N 3,000,000
Sediment transport, flooding events, for Jan. 4 and Jan. 10, 1995, storm events in Laguna Canyon, CA. Debris, Hydrology, fire effects, sediment transport, hillside erosion, coastal effects.

Client Confidential 1989-92 Y N 8,000,000
Floodplain and development impacts due to off-site land form changes caused by neighboring commercial development. Investigation of alternative development schemes, costs, storm drain, hydrology, hydraulics, master planning, farmland inundation.

Client Confidential 2001

1,000,000

2002

3,000,000
Weather, phase change, moisture. Sand transport in fluids, atmospheric transport.

Client Confidential 2000-2001 N N 2,000,000
Erosion, flooding, hydrology, hydraulics.

Client Confidential 1997-98 Y N 2,000,000
Sediment transport, hydrology, hydraulics, DNAPL, LNAPL, contaminated groundwater transport, PCB transport in dilution and sediment.

Client Confidential 1991 Y N 2,000,000
Storm flow damage in developed canyon area. Hydrology, hydraulics, rainfall-runoff modeling, floodplain analysis.

Client Confidential 2008-2011 Y N -

Groundwater modeling using MODFLOW, perchlorate source identification, plume analysis, long term history


Client Confidential 2003-2004 N N 7,000,000
Groundwater modeling. BTEX. Cement kiln dust, TDS, chlorinated hydrocarbons. Geochemistry. Fractured media.

Client Confidential 2000 N N 5,000,000
Sediment transport analysis of Santa Paula River, California. Erosion. Loss of land area.

Client Confidential 1990 Y N 2,500,000

1990-91 N N 500,000

1994 N N 2,000,000
Storm flow damage due to overflow of 100-square mile catchment regional storm channel into sewage treatment plant. Hydrology, hydraulics, rainfall-runoff analysis, floodplain analysis, sedimentation, sediment transport, erosion, alternatives analysis.

Client Confidential 2010-2012 Y Y 3,000,000
Soil water percolation. Leaking pipes assessment. Rainfall runoff. Water budget. Irrigation. ET. Soil
movement.

Client Confidential 1992-94 Y Y 1,000,000
Desert hydrology, hydraulics, floodplain analysis. Alluvial fan analysis. Gravel/mining operation impacts on alluvial flows. Sediment transport. Culvert and backwater analysis. Erosion and sand deposition.

Client Confidential 2007 Y - 10,000,000

La Costa.  Landslide hydrology.  Irrigation.  Rainfall.


Client Confidential 1999 Y Y 2,000,000
Erosion analysis, landslide, diversion of stormwater.

Client Confidential 1985-87 N N 100,000,000
Landslide failure potential due to groundwater and soil water seepage effects. Groundwater analysis, rainfall-runoff modeling, soil hydrology, groundwater computer modeling.

Client Confidential 1991-92 JAMS JAMS 800,000
Floodplain analysis of diversion flows on Plaintiff's property. Hydrology, hydraulics, storm drain design, mitigation measures, erosion, sedimentation, cost estimates, sediment transport.

Client Confidential 1990-92 N N 1,500,000
Seepage damage to townhomes. Groundwater analysis, site testing, seepage analysis.

Client Confidential
2009 Y Y

Rainfall analysis, infiltration analysis, landslide, water budget


Client Confidential 2001 N N 1,000,000
Rainfall, runoff, stormwater.

Client Confidential 1996 Y N 2,500,000
Groundwater flow, seepage, irrigation, water usage, grading.

Client Confidential 1999 N N 40,000,000
State of California Supreme Court Case: Akins vs. State of California (1) Flooding; apportionment of damages; levees; maintenance; monitoring.

Client Confidential 1997 Y Y 3,000,000
Continuous simulation hydrology; wetlands; groundwater issues; hydrologic cycle.

Client Confidential 1991-92 Y Y 2,500,000
Storm flow analysis of on and off-site storm drain system through Plaintiff's property. Hydrology, hydraulics, storm drain design, sedimentation, soil-water seepage, piping, cost estimates.

Client Confidential 2007-09 Y - 20,000,000

Rainfall, Doppler analysis, geomorphology, dam breach, dam-break hydraulics.


Client Confidential 2001

1,000,000
2010-2011 Y Y 10,000,000
Hydrology, hydraulics, sediment transport, debris, wetlands. Landslide analysis, rainfall analysis, groundwater transport, sediment transport.

Client Confidential 2000-2002 N N 12,000,000
Don Pedro Dam operations, flow release, cloud seeding, hydrology, two-dimensional hydraulics, levee analysis, groundwater modeling.

Client Confidential 1983-84 Y Y 2,000,000

1991-92 Y Y 4,000,000

1993-94 JAMS JAMS 18,500,000

2002 Y Y 5,000,000

2009 Y - 1,000,000

2009 Y 1,000,000
(1) Flood channel overflow at railroad culvert crossing; damage to industrial and commercial storage. Hydrology, hydraulics, storm flow analysis, rainfall-runoff modeling. (2) Storm flow analysis, inlet analysis, inundation, debris. (3) Drainage, soil moisture, site grading, construction defects, maintenance. (4) Landslide analysis, swimming pool effects on soil water infiltration, hydrologic cycle, erosion, sediment transport. (5) Ponding, storm drain analysis. Sediment transport, geomorphology of Walker River. Aging of sediments. (6) Storm drain analysis. Flooding. (7) Flooding, storage analysis, rainfall analysis.

Client Confidential 1989
1996
Y N 3,000,000
Sedimentation analysis of developed landform changes. Sedimentation analysis, erosion, mitigation development, cost estimates. Wrongful death litigation, traffic accident analysis, sediment transport, erosion, flooding.

Client Confidential 2008-2010 Y N 400,000,000

Rainfall analysis, infiltration analysis, return frequency analysis


Client Confidential 1998 WQB
Hearing
N 36,000,000
Debris and sediment transport. Hydrology, sewer line failure, contamination. EPA hearings. Criminal negligence issues.

Client Confidential 1993 N N 1,500,000
Flood damage evaluation. Golf course flood storage. Inlet controls, and pipe capacity analysis. Debris consideration. Floodplain mapping. Master plan of drainage evaluation.
Client Confidential 2007 Y Y 4,000,000

Groundwater modeling.  Groundwater level changes.  Soil de-watering.  Water Quality.  Perched Groundwater.  Perchlorate.  Water Sources.  Highland Glen, Henderson, Nevada.


Client Confidential 1995 Y N 50,000,000
Storm and flood damage resulting from Murrieta Creek. Hydrology, hydraulics, sediment transport. Massive flood damage event, maintenance issues, wetlands habitats issues. Stormwater pollution from sewage spill. Analysis of Skinner Lake Dam.

Client Confidential 1997-98 Y N 5,000,000
Landslide affecting Las Flores Canyon and Las Flores Canyon road. Analysis includes hydraulics, hydrology, storm analysis, debris, and sediment generation, sediment transport, ocean outlet impacts, landslide soil-water effects, fire impacts.

Client Confidential 2007-2009 Y N 10,000,000

Storm rainfall analysis, flood routing, storage, culvert analysis


Client Confidential 2003-2004 Y Y 4,000,000
Fractured geology. Groundwater. Plant water usage. Hydrologic Balance.

Client Confidential 2007-2008 Y N 1,000,000
Rainfall history. Groundwater mounding. Coastal hydraulics. Hydrometeorology. Leaking pipe analysis. Homeowner irrigation.

Client Confidential 1998-99

28,000,000
(1) Groundwater flow; dewatering issues; construction planning.

Client Confidential 2007-2010 Y N 20,000,000

Rainfall analysis, infiltration analysis, groundwater, collapsible soil


Client Confidential 1987-89 Y N 1,000,000
Flood damage to homeowners due to natural channel overflow and wall failure. Hydrology, hydraulics, sedimentation, design standards.

Client Confidential 2009-2010 Y N 6,000,000

Sediment transport, rainfall analysis, flooding


Client Confidential 1997 N N 1,500,000
Flooding; Los Angeles River hydrology; flapgates.

Client Confidential 1987-88 N N 2,000,000

1988-89 Y Y 5,000,000
(1) Sedimentation and erosion damage due to U.S. Corps of Engineers' new channel design of U.S./Mexico storm channel. Hydraulics, sedimentation analysis. (2) Inverse condemnation issues due to storm channel design on plaintiff's property in Coachella Valley, California. Development analysis, hydraulics, physical modeling, dam analysis.

Client Confidential 1997-98 N N 3,000,000

2005-2006
- N 3,000,000

2006-09 Y Y 5,000,000
(1) Sediment transport and flood flow analysis of Mojave River in the desert regions of Southern California. Vegetative impacts to sediment transport. Reasonableness of pipeline design. Hydraulics, hydrology, sedimentation analysis. (2) Hydrology, Hydraulics, rainfall and Doppler radar analysis. (3) Doppler radar, sediment transport, hydrology, fluvial geomorphology.

Client Confidential 1997 N N 2,000,000
Severe storm rainfall analysis; hydrology; culvert hydraulics.

Client Confidential 2007-2008 Y - 6,000,000

City of Chicago 3 floods of August, 2001.  Rainfall analysis.  Doppler radar analysis.  Watersheds. “Flow Blocker” analysis.


Client Confidential 1991-92 N N 2,000,000
Diversion of flows due to upstream land development. Hydrology, hydraulics, storm channel design, outflow dissipation, erosion, sedimentation, costs.

Client Confidential 2001 N N 2,000,000
Hydrology, hydraulics, storm drain deficiency.

Client Confidential 2007 Y - 15,000,000

2007-2008 Y Y 5,000,000

2008 Y Y 6,000,000

2009 Y Y 10,000,000

Karim. Landslide hydrology. Gopher hole hydrology. Irrigation. Rainfall.
Landslide hydrology. Infiltration. Hydrometeorology. Rainfall history. Irrigation.
Landslide hydrology. Infiltration. Hydrometeorology. Rainfall history. Irrigation. Leaking high pressure water line. Landslide hydrology. Infiltration. Hydrometeorology. Rainfall history. Irrigation. Leaking high pressure water line.


Client Confidential 1996 N N 20,000,000
Failure of three concrete gravity dams near Quebec, Canada. Flood inundation, erosion of slopes adjacent to dams, erosion of dike, scour analysis, analysis of dam operation.

Client Confidential 1996 Y Y 5,000,000
Analysis of 400-acre oil refinery drainage system for efficiency and operation. Transport issues involving surface water pollutants.

Client Confidential 1991-92 Y JAMS 10,000,000
Condominium (400 units) seepage, landform, groundwater nuisance issues. Civil engineering design review, concrete integrity, seepage, groundwater flow, surface flow, irrigation.

Client Confidential 1994 N N 3,000,000
Hydrology, hydraulics, sediment transport, roadway design, culvert systems.

Client Confidential 2002-2003 Y N 500,000
Hydrology, hydraulics, debris, rainfall, design, inlet clogging, groundwater issues.

Client Confidential 1987-88 Y N 500,000
Flood damage from runoff from snow pack on mountainside. Hydrology, hydraulics, sedimentation, snow melt.

Client Confidential 2005-2006 Y - 5,000,000
Hydrology, meteorology, water balance, water records analysis, ET, soil water flow.

Client Confidential 1983-87 Y N 5,000,000

1996 Y N 500,000
Homeowner damage due to various channel overflow and levee failure events. Hydrology, hydraulics, flood control system analysis, computer modeling. Sediment transport, erosion of stream channel, slope failure, hydrology & hydraulics, levee failure modes.

Client Confidential 1991-92 Y Y 2,500,000
Storm flow analysis of on- and off-site storm drain system. Hydrology, hydraulics, storm drain design, soil-water flow, cost estimates.

Client Confidential 1999 Y Y 1,000,000
Feasibility and inverse condemnation for flood control basin. Wetlands, habitats, and flood control.

Client Confidential 2001 - Mediation 15,000,000

2002 Y Arbitration 12,000,000
Groundwater flow, contaminant transport, data analysis, fuel oil seepage and transport, CPT-LIF, geochemistry, weathering, MTBE, diesel, TPH.

Client Confidential 1992-94 Y Y 1,000,000

1992 Y N 3,000,000
Storm flow damage in developing desert community of Antelope Valley. Erosion and sedimentation analysis; runoff hydrology; modeling; alluvial fan hydrology and hydraulics.

Client Confidential 1997 N N 1,000,000
Soil movement affecting multistory structures. Groundwater analysis.

Client Confidential 2003 N N 1,500,000
Sediment transport. Rainfall. Runoff. Hydrology. Hydraulics. Landfill operation. Roadway design. Super elevation.

Client Confidential 2003 Y Y 1,500,000
Debris. Severe rainfall. Master plans. Design review. Hydrology. Hydraulics. K-rails. Sediment transport. Floodplains. Flooding.

Client Confidential 1996 Y Expert Forum 2,000,000
Groundwater saturation; erosion; landslide; hydrology.

Client Confidential 1999 Y Y 1,000,000
(1) Mitigation measures; erosion; sheet flow versus water course; hydraulics; sediment; radar rainfall analysis.

Client Confidential 2000-2001 Y
12,000,000
Hydrology, debris, sediment, hydraulics, groundwater, water quality, stormwater quality permit compliance.

Client Confidential 2006 Y Y 8,000,000
Sediment transport, Rainfall-runoff modeling. Modeling analysis. Equilibrium slope.

Client Confidential 2000 Y N 4,000,000
FEMA, stormwater run-off, pump station.

Client Confidential 2010-2012 Y N 4,000,000

Sediment transport, hydrology, hydraulics, modeling analysis, rainfall analysis, erosion formulations (SCS), hyperconcentrated sediment flow


Client Confidential 1993-94 N N 1,500,000

Condominium drainage and grading issues.  Construction defect issues.


Client Confidential 1999

2,000,000
Hydrology, Hydraulics, Rainfall, Radar Analysis, Debris and mud flow, steep canyon flow mechanics, erosion.

Client Confidential 1999 Y Y 4,000,000

2002 Y Y 8,000,000
Landslide, groundwater issues related to a flat failure surface, water versus work balances. Soil water percolation tests. Water usage. Hydrologic cycle.

Client Confidential 1987-91 Y Y 10,000,000

1987-88 Y Y 2,000,000

1988; Y N 250,000

1992; Y N 500,000

1995; Y N 1,500,000
2003 Y Y 2,000,000

2003 Y N 800,000
Several storm flood events in Las Vegas, Nevada area. Storm flow analysis, hydrology, hydraulics, deficiency analysis, erosion. Sediment transport, levee erosion and aggradation/degradation. Earthen channel flow capacities. Desert hydrology, review of government FEMA reports, large scale catchment modeling of 150 square miles. Traffic accident evaluation. Debris flow. Rainfall. Radar analysis.

Client Confidential 2010-2013 Y N 150,000,000

Rainfall analysis, groundwater analysis, water rights, tract design, criteria assessment.


Client Confidential 2012 Y Y 10,000,000
Historic watershed analysis. Multiple NWC evaluation. Meteorology. Rainfall-runoff models. UNETmodeling.

Client Confidential 2006 Y N 500,000
2006-2007 Y Y 3,000,000

Rainfall analysis, storm drain hydraulics, building piping network analysis and aging, physical model.  Flooding, Hydrometeorology.  Historic flooding.  Networks.


Client Confidential 1999 Mediation N 4,000,000
Radar rainfall analysis ; hydrology; hydraulics; storm drain analysis. Flood event analysis. Debris generation from orchards.

Client Confidential 1999 Y N 5,000,000
(1) Landslide; erosion issues; water budget analysis; soil water flow; rainfall.

Client Confidential 1997-98 N N 500,000
Flood damage at a local residence due to street flow effects.

Client Confidential 2000 Y N 150,000

2001 Y Y 1,000,000
Rainfall, soil-water flow, settlement. Broken sewer pipe, sinkhole, hydrology.

Client Confidential 1996-97 Y N 500,000

1999-2002 Y Y 2,000,000
Hydrology; debris; effects of land development. Hydraulics, Rainfall, Radar Analysis, Mobile home park, Historic flooding, pump stations.

Client Confidential 1999 - - 150,000,000

2002 - - 10,000,000
(1) 1997 flooding in Northern California; levees; dams and regulation; radar rainfall analysis. (2) Groundwater transport, TDS analysis, star and pipe diagrams.

Client Confidential 1993-95 N N 3,000,000

1996-2002 Y N 3,000,000
Hydrology, hydraulics, sediment transport analysis. Rainfall evaluation. Floodplain studies. Effects of land development and erosion control. Erosion of Aliso Creek. Analysis of Silverado Dam outflows and performance. Two-dimensional hydraulics analysis of floodplain. Coastal effects. Bridge analysis. Alert vs. recording rain gauge analysis. Radar rainfall analysis.

Client Confidential 1996-97 N N 2,000,000
Sediment transport analysis of Oso Creek, near Oso Ranch. Sediment and erosion analysis. Hydrology, hydraulics.

Client Confidential 2003 - - -
Surface flow. Power Plant evaporation. TDS. Salton Sea. Trend analysis. Groundwater seepage.

Client Confidential 2005-2006 Y - 5,000,000
Hydrology, rainfall analysis, soil water flow, ET, water usage analysis, soil strength, water flux in concrete.

Client Confidential 2006 N N 8,000,000
Analysis of water percolation in Santa Ana River and OCWD percolation pits. Stream gage data analysis. Diversion analysis.

Client Confidential 1999 N N 2,000,000
Hydrology, hydraulics, debris, inlet analysis, radar analysis, design and construction issues.

Client Confidential 2007 Y N 8,000,000
Stormwater pollutant transport. Hydrology, hydraulics, computer modeling. PCB, BTEX. Stormwater, groundwater, atmospheric transport of pollutants. Fate analysis. Ocean hydrodynamics.

Client Confidential 2007 Y Y 500,000

Meteorology, Hydrometeorology, Comparative wet seasons of 1998 versus 2004.


Client Confidential 2007-2008 Y - 3,000,000
Flood analysis. Piping system capacity. Watershed delineation. Rainfall analysis. Doppler radar.

Client Confidential 1994-95 Y Y 3,000,000
Condominium construction defect litigation. Drainage, groundwater, roadway.

Client Confidential 2008 Y - 25,000,000
Flooding, erosion of hillside, hydrology, hydraulics, design evaluation.

Client Confidential 1995-96 N N 500,000
Flooding, erosion of hillside, hydrology, hydraulics, design evaluation.

Client Confidential 1997 Y N 10,000,000

2006 N N 5,000,000
Hydrology; erosion; energy dissipaters; hydraulics. Boulder eruption in Honolulu, Hawaii and death of Dara Onishi. Rock and sediment degradation.

Client Confidential 1994-95 Y N 2,000,000
Drainage issues through subdivision. Hydrology, hydraulics, floodplains, erosion of earthen channel, energy dissipater analysis and scour, landslide issues, water budgets.

Client Confidential 2006 Y Y 5,000,000
Groundwater perching. Soil layer and lenses. Physical Preferential Pathways.

Client Confidential 2010-2013 Y Y 3,000,000

Rainfall analysis, loss rates, algid climate hydrology, groundwater, phase change.


Client Confidential 1987-89 N N 100,000,000
Landslide potential in Big Rock Mesa hillside area, California. Groundwater analysis, rainfall-runoff modeling, seepage analysis, water budget analysis.

Client Confidential 1999-2001 Y Y 1,000,000

2006 Y - 2,000,000

2008 Y - 3,000,000
Flooding. Severe storm rainfall analysis. Landslides. Natural water course issues. Algae analysis. Groundwater TDS and electrolysis analysis. Rising groundwater.

Leaking water reservoir, wetlands, property line analysis in natural water course.

Leaking pipeline, water budget, earth movement.

Client Confidential 2011 Y Y 3,000,000

2013 Y Y 2,000,000
Landslide, rainfall, groundwater analysis.

Client Confidential 2000-2001 Y Y 2,000,000
Rainfall, hydrology, hydraulics, debris flow, road guard rails.

Client Confidential 2007 Y Y 6,000,000

2007-2008 Y Y 20,000,000
Hydrometeorology. Infiltration analysis. Landslide at La Conchita, California. Streetflow hydraulics. HEC-RAS. Super-elevation. Radar rainfall analysis. Infiltration analysis.

Client Confidential 1998-99 N N 2,000,000
Landslide; erosion of Malibu Creek; scour; hydrology; low flows; rainfall statistics.

Client Confidential 1997-98 N N 25,000,000
Hydraulics, hydrology, and hydrodynamics of a 6-foot diameter combined storm/sewer pipeline resulting in a massive sink hole development. Groundwater flow hydraulics and transport.

Client Confidential 1996-2001 Y Y 1,000,000


Y Y
Flooding analysis, erosion, water diversion, mud flow, dam flow analysis.

Client Confidential 2013-2014 Y Y 4,000,000
Surface Water and floodplain analysis. Hypotheticals analysis. Inverse condemnation claims.

Client Confidential 1996 Y Y 1,000,000
Flooding analysis, erosion, water diversion, mud flow, dam flow analysis, debris dam.

Client Confidential 1987-88 Y N 1,000,000
Storm damage to homeowners. Arid hydrology and hydraulics of 60 square mile catchment, railroad culvert analysis, surveying, floodplain analysis, erosion and sedimentation.

Client Confidential 2009-2010 Y N 5,000,000

Water sources analysis, water budget, ground water, flooding


Client Confidential 1999 Y N 50,000,000
Federal Supreme Court Case: State of Nebraska vs. State of Wyoming (1) Water rights; Platte River water statistics; sediment transport; irrigation; water balance.

Client Confidential 2007-2008 Y - 2,000,000
2001-2002 Y - 15,000,000
Flood analysis. Infiltration. Piping network for commercial building. Obstruction analysis. Hydrology, groundwater modeling, well analysis, rainfall statistics, trend analysis.

Client Confidential 2002-2003 Y - 2,000,000
Flooding. Texas floodplains. Hurricanes. Stream gauge analysis. Rainfall analysis of hurricanes.

Client Confidential 1999 Y Y 1,000,000

2004 Y Y 3,500,000
Hydrology, hydraulics, debris, inlet analysis, rainfall radar analysis. Wetland floodplains. Slope failure issues and construction defect. Debris production. Flooding analysis. reasonableness factors. Dangerous condition.

Client Confidential 1996 N N 25,000,000
200-foot failure of 1800-foot width concrete Gillespie Dam across Gila River. Flood inundation, dam-break, erosion and sediment transport analysis. Boiling analysis of gravity dam, scour analysis at natural gas line locations on Gila River.

Client Confidential 1994 Y N 100,000
Flooding, drainage diversion, erosion effects.

Client Confidential 1994-95 N N 3,000,000
Wrongful death traffic accident. Hydrology, hydraulics, street design, storm drain design, storm event analysis, sediment transport and deposition on roadway surfaces.

Client Confidential 2003-2005 N N 6,000,000

2004-2005 - - 1,000,000
Rising tides, coastal flooding, Hawaii meteorology. Sediment transport. BTEX

Client Confidential 1998 N N 36,000,000
Wetlands, hydrology, hydraulics, dam regulation (Prado Dam, CA), sedimentation, oil recovery.

Client Confidential 2003 Y N 2,000,000

2008 Y - 2,000,000
Soil moisture accounting. Groundwater. Water usage. Soil stratigraphy. Soil-Water flux in dry soil

Client Confidential 1991-93 Y N 1,000,000
Storm damage to homeowners. Arid hydrology and hydraulics of 60 square mile catchment, railroad culvert analysis, surveying, floodplain analysis, erosion and sedimentation.

Client Confidential 2004-2005 N Y 2,000,000
Flooding, severe rainfall analysis, Doppler radar analysis.

Client Confidential 1988 Y Y 2,000,000

1996 N N 3,000,000
Sedimentation analysis of developed landform changes. Sedimentation analysis, erosion, mitigation development, cost estimates. Wrongful death litigation, traffic accident analysis, sediment transport, erosion, flooding.

Client Confidential 2011-2012 Y Y 5,000,000
Mitigation measures. Rainfall-runoff. Alluvial fan. Desert hydrology and meteorology. Design assessment.

Client Confidential 1999 Y N 1,000,000
Sewage design defect issues. Construction defect.

Client Confidential 1983-87 Y Y 2,000,000

1987-91 Y Y 10,000,000
(1) Flood damage to levee failure of large catchment flood control system. Hydrology, hydraulics, storm flow modeling, erosion, levee failure analysis. (2) Software Piracy. Probabilistic analysis of software piracy.

Client Confidential 1999 Y N 1,000,000

2000-2001 Y N 4,000,000
Groundwater hydrology, soil-water budget, pipe leakage, rainfall analysis.
 
Client Confidential 2012-2013 Y Y Damages TBD
Assessment of floodplain and development within the canyon floodplain areas of San Diego, California. Examination of river overflow impacts to planned structure within the floodplain. Hydraulics and hydrology. River flow rapidly varied effects and computational mathematical modeling.

Client Confidential 2013-2014 Y N Damages TBD
Groundwater flow computational mathematical modeling using MODFLOW and Complex Variable Boundary Element Method for Computational Biopsy assessment. Perchlorate plume evolution near landfill operation in San Bernardino County, California. Landfill history and leakage assessment. Groundwater transport of conservative species. Unsaturated flow modeling and vadose zone modeling. Groundwater chemical fingerprint assessment and analysis.
 
Client Confidential 2015 Y N 500,000
Erosion, flood flow analysis, hydrology, hydraulics, beach rainage, debris, doppler radar.
 
Client Confidential 2014-2016 Y N 10,000,000
Erosion, flood flow analysis, hydrology, hydraulics, beach drainage, debris, Doppler radar, breach analysis, computational fluid dynamics, surge analysis.
 
Client Confidential 2011-2017 Y Y Damages TBD
Groundwater flow computational mathematical modeling using MODFLOW and Complex Variable Boundary Element Method for Computational Biopsy assessment. Historic assessment of groundwater levels including California Missionary agricultural record analysis. Modeling of coupled rainfall records and groundwater historic records using the Cumulative Departure Method ("CDM"). Assessment of hydro-collapse and landfill recapture of gravel pits for land development of high scale commercial structures in Irwindale, California.
 
415 Superior Court Case Investigations and Studies; 130 Depositions & Mediations; 63 Trials; 1 United States Federal Supreme Court Case; 1 State of California Supreme Court Case
Legal History TVH, April 2017


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