wastewater sample site
The type of site where the wastewater sample was collected
['', 'correctional facility', 'long-term care facility', 'hospital', 'child day care', 'school', 'college or university', 'social services shelter', 'other residential building', 'ship', 'airplane', 'airport', 'septic tank', 'other holding tank', 'wastewater treatment plant', 'wastewater lagoon', 'sewer pipeline', 'food or meat processing plant', 'other', 'missing', 'not applicable', 'not collected', 'not provided', 'restricted access']