Recycles Day is Castro Valley Sanitary District’s (CVSan’s) most popular event and is held twice a year. At Recycles Day, residents are invited to drop off various items to be properly recycled or disposed of.

The next CVSan Recycles Day will be held on Saturday, August 3, 2019, at Canyon Middle School from 8:00 a.m. to 2:00 p.m. for Alameda County residents only.

What items will be accepted at this event?

Acceptable items are as follows:



CVSan residents and businesses are eligible to receive three 1-cubic foot bags of compost. Supplies are limited and will be distributed on a first-come first-serve basis.


Event Map

Please review the event map below for instructions on how to pack your car as well as how to drive through the event site in order to keep the line moving as fast as possible.

NEW! Participants can enter the event using either lane. After check-in, participants will be sorted into the appropriate lane – Recycle Drop-Off or Compost Only.

Attendees that wish to access the school site but are not participating in the Recycles Day event shall stay in the right lane and will be able to pull into the General Parking Lot.

Site Map for Web_2019-07-18_0.jpg


Acceptable Textiles

Acceptable textiles are items such as clothing, towels, linens, bathmats, curtains, shoes, stuffed animals (clean and good condition), etc.

Not accepted: Textiles that are wet, moldy, or have human biowaste, blood, toxic chemicals, or motor oil on them. No light-up shoes, clothes, or stuffed animals. No mattresses, toppers, or pillows.


Acceptable Pharmaceuticals/Sharps

The following pharmaceutical/sharps items will be accepted at CVSan’s Recycles Day:

  • Old, expired, or unneeded prescription and non-prescription drugs. Please empty pills into zippered bags and recycle plastic containers. Liquids, ointments, and powders are to remain in their original containers.
  • Sharps such as hypodermic needles, pan needles, pre-loaded sharps, auto injectors, intravenous needles, lancets and other devices used to penetrate the skin for drawing blood, or for the delivery of medications. Must be in approved sharps containers. Free containers for CVSan residents at CVSan’s Marshall Street office (one per person).

Not accepted: Health and beauty aids, vitamins, nutritional supplements, digestive aids, herbal remedies, illegal substances and paraphernalia, infectious waste, business/institutional waste, medical devices and equipment, personal care items, and radioactive materials.

For more information on pharmaceutical and sharps disposal, visit


Acceptable E-Waste

The following e-waste items will be accepted at CVSan’s Recycles Day:

BBQ grills (electric)





Mouse (mice)

Cameras – regular & digital

Network routers/switches

Can openers


CD/floppy drives

Overhead projectors

Clock radios


Coffee grinders

Power tools (drills, power saws)

Coffee pots


Computer battery packs (8” encased)

Record players

Computer towers/CPUs


Copy machines (floor models ok – max size 40”x48” sq. (size of pallet)

Remote Controls (batteries removed)

Disk drives (hard/floppy)


Dry-cell batteries




DVD players


Ethernet cables (wires & cords – see below)

Stereo systems

Fax machines

Tape recorders


Telephones/Cell phones (including batteries and accessories)


Televisions (no size limit) & monitors (including LCD & plasma)

Knife sharpeners


Lab equipment (electronic)


Laptop computers


LCD projectors

Wire, cords and cables

Microwave ovens (regular & convection)


Not accepted:

  • Ammunition
  • Asbestos
  • Books
  • Compressed gases
  • Explosives
  • Fire extinguishers
  • Flares
  • Large appliances (refrigerators, freezers, washers, dryers, stoves, air conditioners, etc.)
  • Manuals and packaging
  • Pcb light ballasts
  • Propane
  • Radioactive materials
  • Smoke detectors
  • Thermostats

Note: Some items may be sorted for reuse.  Please factory reset any phones, routers, streaming TV boxes, and other devices that have personal account information.  Follow best practices for erasing and wiping hard drives on computers or physically destroying them.  Remove and erase any memory cards or sim cards in cameras, phones, and other devices.  For more information, please refer to the links below, or contact the product's manufacturer.

For more information on e-waste disposal, visit


Acceptable Household Hazardous Waste

Household Hazardous Waste (HHW) is a term used to identify products which no longer have a use that can catch fire or react, are toxic, corrosive, explosive, or persistent compounds. It is illegal in California to dispose of HHW in the garbage, pour down the drain, flush down the toilet, or pour on the ground.  Improper disposal of HHW can cause numerous environmental and human health problems, such as groundwater and surface water contamination, physical injury and death to adults, children, pets, plants and wild animals, and soil contamination. 

The following items will be accepted at CVSan’s Recycles Day (125 lb./15-gal limit per resident):

  • Paint: stain, shellac, solvents, thinners, additives, oil paint, and latex paint.
  • Adhesives: putty, caulk, epoxy, mortar, stucco, cement, and wood glue.
  • Auto: fuel, waxes, batteries, additives, motor oil filters, and coolant/antifreeze.
  • Garden: sprays, fertilizers, ant traps, pesticides, herbicides, rat poison, and gopher bait
  • Miscellaneous: pool chemicals, photo chemicals, acids & caustics, household batteries, bleach & cleaners, and fluorescent bulbs.

Not accepted: ammunition, flares, explosives, radioactive materials, large appliances (refrigerators, freezers, washers, dryers, stoves, air conditioners, etc.), asbestos, books, manuals & packaging, PCB light ballasts, smoke detectors, thermostats, compressed gases*, propane, fire extinguishers, railroad ties, treated wood, health and beauty aids, vitamins, nutritional supplements, digestive aids, herbal remedies, illegal substances and paraphernalia, infectious waste, business/institutional waste, medical devices and equipment, and personal care items.

•        Most compressed gases (propane in <5 gal cylinders accepted at Hayward Facility). For asbestos, railroad ties, or treated wood call 925-455-7300.

If you have HHW you would like to dispose of before the next CVSan Recycles Day, visit to learn where you can take it and which materials are accepted.