Inspects EPA-regulated and/or significant-discharge industrial wastewater pre-treatment facilities and other industrial facilities to evaluate the compliance of physical/chemical treatment processes, treatment records, and hazardous wastes manifests; Conducts pre-permit inspection of businesses/industries to determine the category of discharge and appropriate sampling methods; Performs manual and automatic wastewater sample collection from industrial discharges, Pima County treatment plants, surface water runoff, rivers, and collection systems; Analyzes wastewater laboratory and self-monitoring reports for violations and documents violations of discharge requirements for use by the County Attorney, documenting chain-of-custody on samples as evidence of legal custody; Drafts industrial wastewater discharge permits; Writes concise reports-for-record, detailing inspection results for use in potential civil and criminal enforcement actions and drafts enforcement action documents such as notice of violation, show cause, intent to suspend, and suspensions; Maintains supply levels, controls vehicle and equipment status and condition; Responds to chemical spills and other wastewater conveyance system problems to perform sample analysis and problem resolution; Trains other Industrial Wastewater Inspectors in procedures and techniques; Assists with Food Service Facility inspections by researching and reviewing previous facility inspections, compiling paperwork, inspecting the facility to determine connection to pre-treatment device and verifying compliance with the Pima County Grease Management Program; Participates in inspections and sampling of wastewater reclamation facilities which include, but are not limited to, verifying that facilities are operational, coordinating sampling with facility operators, reviewing appropriate sampling procedures, and advising the laboratory of incoming samples for testing; Investigates permitted and non-permitted entities which may include interviewing witnesses, collection of evidence for use in enforcement actions, the ability to remain calm under pressure, and the ability to de-escalate tense situations. Minimum Qualifications: Associate's degree from an accredited college or university with a major in environmental science/technology, hydrology, hydro-geology, engineering, biology, chemistry, physics, watershed/wildlife management, ecology, mathematics, public administration, public health or a closely related field as determined by the department head at the time of recruitment.