Water Well Cap Picture (image) American Society of Agronomy Share Print E-Mail Caption Since management of private wells is voluntary, water testing is an important first step to determine potential drinking water problems. Credit Howard Nuernberger Usage Restrictions Use with story only. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.