HARRISBURG – The Pennsylvania Department of Environmental Protection  is encouraging Pennsylvanians to only flush toilet paper and human waste, not disinfecting wipes or other non-flushable items that should be disposed of in the trash.

Sewage treatment systems have been dealing with an increase in non-flushable materials clogging filters and equipment since the beginning of the stay-at-home orders in March.

“Flushing things that aren’t meant to be flushed can damage your own sewer pipes as well as the sewer treatment facilities that we all depend on,” said DEP Secretary Patrick McDonnell. “Even so-called ‘flushable’ wipes shouldn’t be put in the toilet.”

Tissues, paper towels, and single-use wipes, including cleansing and diaper wipes, cannot be safely flushed, even if they are labeled as “flushable” or “biodegradable.” Other non-flushable items include things like diapers, feminine hygiene products, disposable toilet brushes, disposable gloves, cotton swabs, dental floss, and kitty litter.

Flushing or dumping the wrong things down the drain can cause blockages in home or business plumbing as well as problems in the local sewer system. These products do not break down like toilet paper and can clog systems quickly. Many sewer blockages occur between houses or businesses and the sewer main, where the property owner is responsible for correcting and paying for the repair.

Blockages can also lead to sewage overflows that can have adverse effects on the environment, especially if the overflow enters local rivers, lakes, and streams.

Flushing only toilet paper and human waste helps ensure that the toilets, plumbing, sewer systems, and septic systems will continue working properly to safely manage wastewater in Pennsylvania, the agency advises.

DEP also encourages residents and businesses to refrain from disposing of food scraps, grease, fat, or oil down the drain. These should also be disposed of in the trash to help keep wastewater pipes clear.

Grease, fat, and oil can solidify and adhere to the insides of the pipes that carry wastewater from homes and businesses to the wastewater treatment plant. Over time, these buildups can restrict the flow of wastewater.

Garbage disposals do not prevent grease from washing down the drain. Detergents that claim to dissolve grease may pass it down the line and cause problems in other parts of the wastewater system.

Food scraps, grease, fat, and oil should be removed from cookware, plates, utensils, and cooking surfaces, placed in a sealed container, and disposed of in the trash. Baskets/strainers can also be installed in sink drains to catch food scraps.

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