Sand Filtration System




Do:
Keep an “as built” system diagram in a safe place for reference.
Make arrangements with a reliable service person to provide regular monitoring and maintenance.
Keep accurate maintenance records. They will be valuable if system problems occur.
Familiarize yourself with the location of the electrical control panel and respond to alarm condition promptly.
Remember that the audible alarm can be silenced by pushing the lighted button located directly above the ‘‘Push To Silence’’ label on the front of the electrical control panel.
Take immediate action to correct the problem in the event of an alarm condition.
Practice water conservation.

Do Not:
Flush trash, chemicals or paint (even water base). Flushing flammable and toxic products is dangerous, while other materials such as paper towels, cigarettes, coffee grounds, egg shell, large amounts of hair, and cooking grease can be harmful to your system.
Dump recreational vehicle (RV) waste into your septic tank. RV waste may contain chemicals that are toxic or that may hamper the biological activity in your system.
Use the garbage disposal. (sparingly only)
Pour grease down your drain.
Use special additives that are thought to enhance the performance of your tank.
Drive over your tank or any buried pipes.
Discharge water softener backwash into the septic tank. It contains high levels of chlorides that can destroy microorganisms.
Use anti bacterial products as it will kill the active bacteria in the tank.


Cleaners, solvents, oils, and other chemicals can kill the microbes that treat your wastewater. Don’t dispose of toxic waste in the sink or toilet. This includes toilet bowl fresheners, so don’t use them.

Your on-site wastewater spread includes a septic tank, a sand filter, and probably a drainfield. You need to know where they are and prevent traffic over them in order to avoid broken pipes and compaction of the soil.

An Intermittent Sand Filter (ISF) cleans the wastewater that comes out of your septic tank. Bacteria that live in the sand bed break down and absorb the organic materials in the water, resulting in water that is 99% cleaner.

Wastewater from the septic tank is pumped through the distribution piping on top of the sand. The water is evenly distributed over the sand bed, where bacteria live. As the wastewater trickles through the sand, bacteria digest the waste. The treated water is then collected at the bottom of the filter and sent to disposal. The water leaving your ISF is not disinfected. Dispose of this water in a subsurface drainfield.







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Medford, OR 97504
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