- National Park Service (San Juan County, UT)
- …practices similar to those lead. Below are additional duties: Repairs and installs utility systems . Performs plumbing on water tanks and floats, potable water ... from entry on duty. Obtain and maintain Water Treatment Operator Certification, Level 1 or higher. Obtain and maintain...the duties described as following: (1) repaired and installed utility systems , (2)performed plumbing on water tanks… more