Report a Spill

HOW TO REPORT A SPILL

For emergency spills or hazardous spills call 911.

Reports for illicit discharges in the City of Centennial during business hours:

SEMSWA (303) 858-8844
City of Centennial (303) 325-8000

Reports for illicit discharges in Arapahoe County during business hours:

SEMSWA (303) 858-8844
Arapahoe County (720) 874-6500

Reports for illicit discharges after-hours (City of Centennial and Arapahoe County):

Sheriff’s office: (303) 795-4711
Spill hotline: 1-877-518-5608

IDDE Program & Allowable, Non-Allowable Discharges

With few exceptions listed below, an illicit discharge is any discharge to the storm sewer system not composed entirely of stormwater. Since only…

Contact Us

Report a Spill using this form (preferred)

Website Accessibility Statement

Southeast Metro Stormwater Authority (the "District") is committed to ensuring that its services are accessible to all members of the public. As part of this commitment, the District strives to provide an accessible website compatible with the Web Content Accessibility Guidelines (WCAG) version 2.1, AA, and commercial screen reading software. Features of the website are created to allow individuals with vision and other impairments to understand and use the website to the same degree as someone without disabilities.

If you need any special assistance or accommodations:

Contact our compliance support team via telephone at: (888) 765-1970

Ongoing Compliance Information

Compliance Coordinator

The District has designated a Compliance Coordinator for website disability-related accommodations. The Compliance Coordinator has received training in website accessibility and updates the site in accordance with those best practices and requirements.

Compliance Procedures

The District is working to ensure all website content complies with the Americans with Disabilities Act and controlling State laws. In an ongoing effort to continually improve and remediate accessibility issues, the website is regularly scanned to ensure ongoing compliance, and timely changes are made to any inaccessible content if found.

Accessible Documents Policy

The District is committed to providing all documents hosted on the website in an accessible format or making accessible alternatives available.

Linked Documents and Third Parties

Please note that this site may link out to third-party websites that do not have accessible content. This site may also include documents provided by third parties. While we cannot control the accessibility of content provided by third parties, we are happy to assist any member of the public with reading and accessing content on our site.

Report a Website Accessibility Issue

We are committed to your ability to access all content, and we will respond to all requests in a timely manner. If you need assistance or accommodations while accessing content on this website, please contact our Compliance Coordinator via the form below: