A green logo with the text "GO PAPERLESS" in white and black. The letter "O" is formed by a circular arrow, symbolizing recycling.

To do our part in helping the environment, we are requesting all Niwot Sanitation customers enroll in paperless billing. Please email admin@niwotsanitation.gov or call our office at 303-652-2525 to provide an email address to receive your statement.

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An aerial view of the Niwot Sanitation District on a sunny winter day, featuring snow-covered grounds, various buildings, and infrastructure under a bright blue sky with scattered clouds. The text 'Welcome to the Niwot Sanitation District' is prominently displayed in white across the top of the image, with mountains visible in the distance.

The Niwot Sanitation District was formed in 1967. It is a local government entity under Title 32 Colorado Special District guidelines. It is governed by a five-member Board of Directors. The District Manager reports to the board of directors and handles the daily operation of the District. 

The District handles wastewater collection and treatment. It also ensures that operations follow state and regional rules. The District's service area is about seven square miles. It has gravity-fed wastewater lines with over 900 manholes.

Sewer Emergency Contact

Call our Front Office and Press 1 to be connected with a plant operator: 303-652-2525

Non-Emergency Contact

For non-emergencies, contact the Front Office. Our staff can help with any inquiries, including questions about your bill.

Regular 2025 Election Call for Nominations - Now Closed

As of the end of the business day on March 3, 2025—63 days before the election—there aren’t more people running for director spots than there are open positions, even counting those who signed up to be write-in candidates. Because of this, the election official in charge has canceled the election. Click here to learn more about our elections.

Plant Construction Updates

Catch up on the latest plant construction updates on our blog! Read the latest updates here.

Pay Your Bill Online

Access the Customer Portal here to pay your bill online. To do our part in helping the environment, we are requesting all Niwot Sanitation customers enroll in paperless billing. Please email admin@niwotsanitation.gov or call our office at 303-652-2525 to provide an email address to receive your statement.