As a water quality technician, your primary responsibilities involve testing water samples to check for contaminants or other problems. In this role, you may use testing equipment to collect samples, perform checks onsite or in a laboratory, and present your findings to individuals or groups. Water quality technicians frequently follow established procedures for testing to help ensure the accuracy of all results, so fulfilling the duties of this job requires the ability to adhere to protocols. Most water quality technicians perform routine surveys in predetermined locations, but employers may occasionally call you in for emergency tests.