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Give to the NSD Financial Assistance Fund

The Niwot Sanitation District offers a Financial Assistance Fund to help local homeowners in need, but the program relies entirely on customer donations, and funds are running low. You can make a difference by donating as little as $2 per billing cycle, a one-time gift, or any amount that fits your budget. Every contribution directly supports your neighbors in need of assistance and keeps this vital program alive. Give here.

Do Not Flush

A "Do Not Flush" poster: only flush toilet paper or human waste. Lists food (e.g., grease, bones), chemicals (e.g., paint, solvents), and personal items (e.g., wipes, tampons) with "no toilet" symbols, warning of system damage.

This illustrated guide highlights common food waste, chemicals, and household or personal hygiene items that should never be flushed down the toilet. The three panels—labeled “Food,” “Chemicals,” and “Home/Personal Goods”—each feature a toilet marked with a red prohibition symbol surrounded by examples of items in that category. The Food panel includes items like fruits, vegetables, mayonnaise, bacon grease, rice, eggshells, cheese, baked goods, and cooking oil. The Chemicals panel shows harmful substances such as acid, poison, paint, paint thinner, solvents, pesticides, and household cleaners. The Home/Personal Goods panel displays products like paper towels, wet wipes, tampons, sanitary pads, dental floss, cotton balls, and condoms. Flushing these materials can clog plumbing, damage wastewater collection systems, and interfere with treatment processes. Only toilet paper and human waste should be flushed. This graphic serves as a reminder to dispose of all other items properly through trash or hazardous waste collection.

Download our printable do not flush list (PDF)

PDF documents may not be accessible to all users. If you need access to information from a PDF on our website in a more Accessible format, please contact us directly and we will be happy to accommodate your request. Please click here to contact our office.