State permits are required for the operation of non-discharge wastewater treatment systems, such as spray irrigation of treated wastewater.

We treat wastewater from homes and businesses throughout our 882.1-square-mile service area. We also treat stormwater from some communities. We clean an average of 1.3 billion gallons …

The new organization (IAWA) is oriented to meet the needs of Administrators and Managers who are concerned with clean streams and are responsible for wastewater collection and treatment …

The Discovery Partners Institute (DPI), which is part of the University of Illinois System, and the Illinois Department of Public Health (IDPH) partnered to create a state public health program …

Nov 21, 2025 · wastewater treatment, the removal of impurities from wastewater, or sewage, before it reaches aquifers or natural bodies of water such as rivers, lakes, estuaries, and oceans.

Operators must retake the examination and reapply when a Class K or Class R certification expires.**

Wastewater treatment protects human and ecological health from waterborne diseases. Since the early 1970s, effluent water quality has improved at Publicly Owned Treatment Works (POTWs) …

Dec 30, 2024 · Wastewater is any water that has been adversely affected in quality by human use or by natural processes.

Nov 12, 2025 · Wastewater treatment facilities in the United States process approximately 34 billion gallons of wastewater every day. Wastewater contains nitrogen and phosphorus from …

Wastewater is any water that has been used in the home, in business, or as part of an industrial process. By using the water at home, business or industrial process, it becomes adversely …