https://groundwatergovernance.org/ Groundwater, wells, and testing made visible. en Thu, 03 Sep 2026 09:00:00 GMT https://groundwatergovernance.org/how-often-test-private-well-water/https://groundwatergovernance.org/how-often-test-private-well-water/Sun, 19 Jul 2026 09:00:00 GMTThe U.S. Centers for Disease Control and Prevention says to test private well water at least once every year for total coliform bacteria, nitrates, total… https://groundwatergovernance.org/what-is-an-aquifer/https://groundwatergovernance.org/what-is-an-aquifer/Sun, 19 Jul 2026 09:00:00 GMTAn aquifer is a permeable layer of rock, sand, or gravel that stores and transmits enough groundwater to supply wells or springs.