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Home | NGWA
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All About Groundwater
In This Section
Groundwater Fundamentals
Information on Earth’s Water
Groundwater Facts
Facts About Global Groundwater Usage
Groundwater Use in the U.S.A.
The Hydrologic Cycle
Occurrence of Groundwater
Forces Controlling Water in Rocks
Unconfined or Water Table Aquifers
Confined or Artesian Groundwater
Springs
Principles of Induced Infiltration and Artificial Recharge
Evaluating the Hydrologic Properties of Water-Bearing Materials
Unconformities and Groundwater Systems
Relation of Salt Water to Fresh Water in Aquifers
Dissolved Mineral Sources and Significance
NGWA's Priority Issues
Managed Aquifer Recharge (MAR)
Managed Aquifer Recharge (MAR) Terminology
Locations of MAR
Groundwater Use
NGWA MAR Mission, Objectives and Accomplishments
Join the NGWA MAR Work Group
Planning and developing Managed Aquifer Recharge (MAR)
Funding/financial assistance
Regulatory News
Case Studies
Orange County Water District, California
San Antonio Water System, Texas
References
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Groundwater and PFAS
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Groundwater Sustainability
National Ground-Water Monitoring Network
Groundwater Protection
Groundwater Information Sheets
WellOwner.org — A Website for Well Owners
Arsenic: What You Need to Know
Bacteria in Your Water: What You Need to Know
Bottled Water: What You Need to Know
Geothermal Heat Pump Systems: What You Need to Know
Good Water Habits: What You Need to Know
Ground Water Protection: What You Need to Know
Ground Water Quality: What You Need to Know
Having a Well Drilled: What You Need to Know
How to Hire a Water Well Contractor: What You Need to Know
Hydraulic Fracturing: What you Need to Know
Hydrogen Sulfide (H2S): What You Need to Know
The Hydrologic Cycle: What You Need to Know
Iron Bacteria: What You Need to Know
Is Your Water Safe? What You Need to Know
MTBE: What You Need to Know
Nitrates: What You Need to Know
Private Water Wells and Public Water Systems: What You Need to Know
Pumping Systems: What You Need to Know
Radon: What You Need to Know
Residential Well Cleaning
Sealing Unused Wells: What You Need to Know
Septic Systems: What You Need to Know
Trihalomethanes: What You Need to Know
Water Efficiency: What You Need to Know
Water Pressure: What You Need to Know
Water Security: What You Need to Know
Water Testing and Treatment: What You Need to Know
Water Well Rehabilitation: What You Need to Know
Well Caps: What You Need to Know
Well Construction: What You Need to Know
Well Definitions: What You Need to Know
Well Logs: What You Need to Know
Well System Materials: What You Need to Know