Pouring chemicals down the drain might seem like a quick and easy way to dispose of unwanted substances, but it can have serious consequences on human health, plumbing systems and the environment.
UCLA self-monitors specified wastewater lines, sampling quarterly for biological oxygen demand, chemical oxygen demand and total suspended solids. These result are submitted to regulators at least once a year to ensure compliance with regulations and our permit.
Prohibited substances include:
- Gasoline, benzene, toluene, xylene
- Mercury
- Chlorinated hydrocarbons
- Ethers
- Alcohols
- Ketones
- Aldehydes
- Peroxides
- Chlorates and perchlorates
- Bromates
- Carbides
- Hydrides
- Solvents
- Toxic pollutants
- Pharmaceutical wastes
- Medical wastes
- Any liquid, solid or gas that is flammable, reactive, explosive, corrosive or radioactive
Learn More
Unsure whether a specific chemical can be safely poured down a sink or drain?
Please contact Environmental Compliance before proceeding and have applicable SDS available: envcompliance@ehs.ucla.edu
