The list of contaminants regulated by these statutes has grown over time. For example, the 1996 Safe Drinking Water Act Amendments includes standards for the monitoring of cryptosporidium and giardia, two biological organisms that have caused health problems recently. Operators must be familiar with the guidelines established by Federal regulations and how they affect their plant. In addition to Federal regulations, operators also must be aware of any guidelines imposed by the State or locality in which the plant operates. Working Conditions Water and wastewater treatment plant operators work both indoors and outdoors and may be exposed to noise from machinery and some unpleasant odors, although chemicals may be used to minimize these.
Operators have to stoop, reach, and climb and sometimes get their clothes dirty.
They must pay close attention to safety procedures for they may be confronted with hazardous conditions, such as slippery walkways, dangerous gases, and malfunctioning equipment. Whenever emergencies arise, operators may be required to work overtime. Employment Water and wastewater treatment plant operators held about 98,000 jobs in 1996. The vast majority worked for local governments. Some worked for private water supply and sanitary services companies, which increasingly provide operation and management services to local governments on a contract basis.