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The Nederland Wastewater Treatment Plant was constructed in 2013, and is responsible for maintaining the integrity of water leaving Nederland and keeping hazardous waste out of the environment.

Contact Us

Wastewater Treatment Plant - (303) 258-3088

Nederland and Barker Lake, From Highway 119

The Town of Nederland Utilities Department needs your help to protect the Nederland area environment!

Please be careful of what you put down the drain. Nutrients can be dangerous to receiving waters.  High levels of phosphorous and nitrogen can cause a body of water to become “eutrophic” or over fed. This can result in excess algae, unsightly growth and odor, and depletion of oxygen. These conditions damage aquatic life and can jeopardize public health. Excess Nutrients threaten Barker Reservoir and the water of those downstream from us. 

The State of Colorado limits the amount of phosphorous and nitrogen a wastewater treatment facility can discharge. When excess levels of these nutrients come down the drain, extra treatment is required. This raises the costs of wastewater treatment for the Town of Nederland.

What Should We Watch For?


Even if a product says it's flushable, unless it is toilet paper, it shouldn't be flushed! No: Diapers (including cloth, cotton, disposable, or plastic); Flushable, disposable, cleaning, or baby wipes; Paper towels, cloth towels, or any type of rag; Feminine hygine products; Facial Tissues. Place these items in a trash can!

An Open Bag of Fertilizer

Fertilizers are a common source of phosphorous and nitrogen.

Fertilizers should never be dumped down the drain. Soaps and detergents can also be high in phosphorous. Look for labels that say phosphorous free and/or watch for phosphorous related products in the ingredient list.


Trash put down the drain clogs pumps and makes wastewater treatment more difficult.

These difficulties can increase the cost of wastewater treatment for a community. For more information, please see this informative article: Toilets Aren't Trash Cans

Medication Bottle

Medications and syringes should be disposed of at your local hazardous waste drop-off center or local police station. They should never be flushed down drains.

Syringes are dangerous to workers at your local wastewater plant.

Medications cannot be removed from the wastewater and are returned to the drinking water supply.


Always dispose of household hazardous waste at your local hazardous waste drop off center. Products which need to be properly disposed of include:

  • Household cleaners
  • Car Products/ Used Oil
  • Fuel
  • Batteries
  • Cooking Oil
  • Laundry products
  • Paint thinners
  • Turpentine
  • Mercury thermometers
  • Paint/stains
  • Pool chemicals
  • Lawn & garden products
  • Fertilizers
  • Insecticides/Pesticides
  • Fluorescent tubes
  • Pet products