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Learn More About Industrial Pretreatment

The purpose of South Platte Renews Industrial Pretreatment program is to protect worker health and safety, the wastewater treatment plant, the collection system, and the environment from potentially harmful discharges to the sanitary sewer. In order to achieve these goals, industrial and commercial facilities within our service area are regulated and may have specific requirements including the use of best management practices, treatment, reporting, sampling, etc. To learn more about requirements for specific types of businesses, visit our businesses landing page.
 
South Platte Renew evaluates new businesses and existing businesses that have changed addresses, changed ownership, or experienced other significant changes (e.g., process change). If this describes your business, please fill out the Industrial Wastewater Survey.

What Is Pretreatment?

Pretreatment means the treatment of wastewater by commercial and industrial facilities to remove harmful pollutants before being discharged to a sanitary sewer system. Depending on the type of business, pretreatment may include installing a grease removal device, a sand/oil separator, a dental amalgam separator, a neutralization tank, or other device designed to remove pollutants.

Prohibited Discharges

Users are prohibited from discharging pollutants that could pass-through the treatment plant into the South Platte River, or that may interfere with the plant's treatment processes. Examples include:
  • hazardous waste
  • liquids, solids, or gases that may result in fire or explosion
  • solid or viscous substances which may obstruct flow
  • corrosive or toxic pollutants
  • residues, sludges, or scums that are unsuitable for reclamation and reuse
  • colored wastes such as dyes, radioactive wastes, and liquid wastes from chemical toilets, trailers, campers, or other recreational vehicles
  • wastewater having a pH of less than 5.0
For a complete list of prohibited pollutants and limitations, see 12-2-5 (B) of the Englewood Municipal Code or 7-5-25 (C) of the Littleton City Code.

Legal Authority

Facilities that are located in our service area and discharge wastewater for treatment are subject to federal, state, and local regulations. Additional authority is given within the City of Englewood and City of Littleton’s local wastewater utility ordinances.

Contact Us

If you have any questions or concerns or would like to discuss this further, please contact the Industrial Pretreatment Department at SPRpretreatment@englewoodco.gov or complete the below contact form.

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