Links on this page are free to members of NGWA, NGWA exhibitors, and Water Well Journal or Ground Water Monitoring and Remediation display advertisers.

Links are $100/year for nonmembers of NGWA for the following link categories: consultants, drilling services, manufacturers, tools, and transportation services. Please contact the for further details or to submit an URL for this page.

CONSULTANTS:

C.H.E.S.S. (Consulting Hydrogeology and Environmental Software Services) -- links to related information sources and more.
ARCADIS Geraghty Miller, Inc.
GZA GeoEnvironmental, Inc.
Pollutech Environmental Consultants
Virginia Geotechnical Services, P.C.
Campbell and Associates
Collier Consulting -- specializing in borehole interpretation, subsurface mapping, petrography, and GIS.
Smith-Comeskey Ground Water Science -- hydrogeology and well maintenance and rehabilitation resource.
Tri-S Environmental
Minesite Drainage Assessment Group
Advanced GeoServices Corp.
Law Engineering and Environmental Services, Inc.
Levine-Fricke-Recon, Inc. --engineers, hydrogeologists, and applied scientists.
Global Remediation Technologies, Inc. -- full service environmental consultants.
Geophysics GPR International -- offers a complete range of specialized services in geophysics to consultants, general contractors, governments and their agencies, and to the mining industry worldwide.
Bannister Research and Consulting
Hydro Geo Chem, Inc. -- environmental and consulting and remediation company headquartered in Tucson, AZ, with particular expertise in applying advanced hydrologic and geochemcial techniques to the solution of difficult environmental problems.
Intera, Inc. -- INTERA operates as the environmental and petroleum division of Duke Engineering & Services and is involved in such diverse projects as soil and ground-water remediation, disposal of radioactive wastes, petroleum exploration and production management, and reservoir engineering and simulation.
S.S. Papadopulos Associates, Inc. -- environmental and water resource consultants.
P-Squared Technologies, Inc -- P-SQUARED Technologies, Inc. is a multidisciplinary engineering and environmental firm that specializes in environmental fluid flow modeling and offers a range of hydrogeology, environmental, engineering, hydrology, and data management services.
Hydrosystems, Inc., -- an Arizona-based consulting company that specializes in ground water recharge, water well design, ground water modeling, and phase 1 environmental assessments.
STAR Environmental, Inc. -- principals of STAR have over 10 years of experience designing, installing, operating, and maintaining horizontal well remediation systems.
Adrian Brown Consultants -- Ground water hydrology, geochemistry, and remediation.
Regenesis -- Timely solutions for enhancing natural attenuation.
S.W. Cole Engineering, Inc. -- providing geotechnical engineering, geologic and construction quality assurance testing services, environmental services, soil science, and wetland evaluation.
HydroGeologic, Inc. -- providing excellence in environmental services.
Waterstone Environmental Hydrology and Engineering, Inc. --experts in ground-water hydrology, numerical modeling, environmental engineering, and software development.
Applied Petroleum Technologies -- provides turn-key environmental, consulting, and construction services.
Geovation Consultants -- Innovative solutions to environmental problems.
Errol L. Montgomery and Associates, Inc. -- Consultants in hydrogeology with offices in Tucson, Phoenix, and Flagstaff, Arizona and Santiago, Chile.
Gannett Fleming, Inc
Drilling Consultants International, Inc

DISCUSSION GROUPS:

National Ground Water Association Forum -- a members-only discussion forum.

BioGroup Home Page -- a bioremediation discussion group

Bannister Research & Consulting -- popular ground water discussion forum

DRILLING SERVICES:

Gilliam and Mundy Drilling Co. Inc.
Parrat-Wolff, Inc. -- ground water monitoring, subsurface exploration and construction materials testing.
Environmental Drilling Service, Inc.
Hersh and Sons Well Drilling, Inc.
Stewart Brothers Drilling Co. -- environmental drilling services.
Drillers Service, Inc. -- wholesalers to the water well and environmental industry.
Caster Well Drilling --fourth generation drilling/consulting company located in western New York.
Ortman Drilling Inc. -- a premier water well drilling firm in north central Indiana.
Haynes Drilling Company --water well and pump contracting services in Virginia's New River Valley for over 35 years.
Longbore, Inc. --specializes in precision horizontal directional drilling services.
Berg Well Drilling -- serving the Greater Grand Traverse Region.
Burns Well Drilling, Inc. -- serving north central Idaho and eastern Washington.
Horizontal Enviro-Bore -- uses horizontal directional drilling (HDD) technologies to install horizontal wells.
Cascade Drilling -- specializes in geotechnical and environmental drilling services.
Adrian Brown Consultants -- Environmental drilling in the Colorado area.
Thompson Drilling Co., Inc. -- Providing drilling services for the western United States.
Roarke Well Drilling, Inc. -- Serving Orange, Rockland, and Sullivan counties in New York since 1947.
Jones Environmental Drilling, Inc. (JEDI)

EDUCATION:

Princeton Groundwater
Desert Research Institute (DRI)
Center for Groundwater Research Oregon Graduate Institute of Science and Technology
The Universities Water Information Network
Duke University Center for Hydrologic Science
National Academy of Sciences
Rivers Project Home Page
Computing Centre for Water Research - strives to promote effective water research in South Africa
Institute of Environmental Technology-- providing training to attorneys and local water supply groups (MUDs), Operators, and their engineering consultants in Houston, Texas.
Water Science for Schools-- available for students of all ages and for anyone who wants to find out more about the many aspects of water, from what it is to how we use it.
Interactive Remote Instructional System (IRIS) -- Wright State University's distance education courses in the hydrogeologic and environmental sciences offered internationally to scientists, engineers, and administrators seeking professional development opportunities.
Center for Environmental Quality - Wilkes University
Dye Tracing Web Site -- the home of Karst on the Web
International Groundwater Modeling Center -- simulation software, technical support, education, and testing and research.
Agricultural Conferences, Meetings. Seminars Calendar

GOVERNMENT:

U.S. Geological Survey Home Page
USGS Water Resources Information
Earth and Environmental Sciences Directorate
U.S. Department of Energy - Office of Environmental Management
U.S. EPA
Oak Ridge National Laboratory
National Park Service
U.S. Fish & Wildlife Service
National Oceanic and Atmospheric Administration
CFR (Code of Federal Registration)
United States Army Environmental Center --enhancing readiness and training, improving quality of life, through sound stewardship of the environment.
USGS --new technology
USGS Ground Water Atlas of the United States Index
Digital Atlas of the World Water Balance
Joint Electronic Commerce Program Office
Department of the Treasury's Listing of Approved Sureties
U.S. House of Representatives
The United States Senate
National Institute for Occupational Safety and Health
GPO Gate--University of California's gateway to federal information.
The Council of State Governments
The White House
State Search -- a service of the National Association of State Information Resource Executives.
Occupational Safety and Health Administration
U.S. EPA Office of Research and Development -- National Center for Environmental Research and Quality Assurance.

INSTRUMENTS:

Heron Instruments--Water Level Meters & Interface Meters at its best
Exploration Instruments - (formerly J.D. Fett Instruments), is the most widely-known geotechnical instrumentation rental company in North America.
Environmental Rental -- quality instrument rental, sales, and repair.

MANUFACTURERS SERVING THE GROUND WATER INDUSTRY:

Central Mine Equipment Company
Art's Manufacturing and Supply
SDI Drilling Equipment LLC
Gus Pech Manufacturing Company, Inc.
Dormer Engineering
Goulds Pumps
Bamsa USA
Pump Central
Enviro Products
Blue-White Industries
Oglebay-Norton Company - supplier of premier gravel filter pack for water wells.
Advanced Geosciences, Inc.
Aqua Freed The AQUA FREEDŽ process is an environmentally sound method for restoring lost capacity to ground water supply and environmental recovery wells, constructed in both consolidated and unconsolidated geological formations.
K-V Associates, Inc. -- is located in Mashpee, Massachusetts, and known for developing innovative instrumentation and methods for ground water and soil characterization and remediation.
F.E. Myers -- is located in Ashland, Ohio, and is dedicated to supplying top quality jet and submersible well pumps; utility, sump and sewage pumps; effluent pumps; non-clog and other large waste handling pumps; and high pressure reciprocating and centrifugal pumps and pumping systems for residential, agricultural, commercial, municipal and industrial applications for North America and more than 100 foreign countries.
Boshart Industries, Inc --manufactures several high quality SEALWELL products and is the largest supplier of water well accessories in Canada and sells to plumbing wholesalers and distributers in North America.
Campbell Manufacturing, Inc. - Quality Water Systems Products
VoV Enterprises, Inc. -- manufacturer of downhole flow and pressure control valves for use in Aquifer Storage and Recovery and injection wells.
Wolf Irrigation, Inc. - a full service irrigation company.
True Pump and Equipment, Inc. - a leading supplier of pump and pond equipment, both wholesale and retail.
Marks Products - Manufacturer of affordable Black/White & Color video systems

OTHER SITES OF INTEREST:

Water Treatment Resource Center: chlorine dioxide in water treatment
Norlab, Inc.
Hydrogeologist's Home Page
Enviromine
ChemFinder
National Climate Data Center
Hydrology Resources List
Hazardous Waste Clean-Up Information
The National Climatic Data Center
West Bengal and Bangladesh Arsenic Crisis Information Centre
Geo Index -- a unique search engine for the geo-environmental professional.
Environmental Career Opportunities
Environmental Data Interactive Exchange --Edie is a free, personalized, interactive news, information and communications service for environmental professionals around the world.
TerraServer -- an aerial photograph on-line database.
The Hartford -- offering a complete line of insurance and financial services products to customers around the world.
PENCO -- risk management and insurance programs.
Chesapeake Bay Pesticides Research Database
E Jobs -- Environmental Jobs and Careers.

PUBLIC AFFAIRS:

The Jenner & Block Environmental Law Department
Environmental Law Links

PUBLICATIONS:

Ground Water, Ground Water Monitoring and Remediation, and Water Well Journal -- current tables of contents, on-line subscriptions, advertising information, instructions to contributors and more.
Water Publications Digest -- reviews water industry publications and reports on activities of interest to this industry.
Water Net -- from the publishers of Water Technology magazine.
U.S. Water News Online
Underground Tank Technology Update - The newsletter for underground storage tank specialists and soil/groundwater professionals.

SOFTWARE:

Waterloo Hydrogeologic -- developers of ground water software

M-Tech Software -- produce geotechnical and ground water software

Scientific Software Group -- distributors of hydrology, hydrogeology, geology, and other environmental software
BOSS International -- developers of environmental engineering software in the fields of hydraulics, hydrology, water resources, groundwater modeling and surface modeling
ShowFlow -- groundwater contaminant transport models for Windows
Streamline Groundwater Applications -- Developers of Single Well Solutions and GW Extraction Design
Tahoe Design Software
Watermark Numerical Computing -- PEST: parameter estimation for groundwater and other models
EarthSoft, Inc --The Environmental Software Specialists
KRS Enterprises
Fleet Transit - Environmental Site Management Software
GEO-SLOPE International
HSI GeoTrans -- groundwater models by modelers for modelers.
Environmental Software -- developers of SitePro, AirPro, EMIServer, and the complete line of modular, scalable Environmental Management Information Systems products.
TerraByte Corporation -- statistics and computer technologies applied to the environmental sciences.
ABCFEM Software -- Adrian Brown Consultants, Inc. modeling software.
American Chemical Society's Division of Environmental Chemistry
LMNO Engineering, Research, and Software, Ltd.- Interactive Web site to perform hydraulics calculations and unit conversions with no need to download programs.
HydroGeologic, Inc. -- providing excellence in environmental services.

TOOLS:

Material Safety Data Sheets
English-Metric Conversions
On-Line Science Dictionary -- Indiana University
Guide to International System of Units
The "Mental" of Environmental -- stress relief for the environmental professional -- just for fun!

TRANSPORTATION SERVICES:

Group Transportation Services Inc.