What do I do if my sewer grinder pump alarm flashes and a horn sounds?
The grinder pump system is designed so that a light will flash and a horn will sound in the event of an operational problem. You will find a button to silence the alarm on the external portion of the electrical box. Push this button to turn off the horn and call the District at (425) 392-6256. A field person will respond to check out your system. Treat your grinder pump system with care! Put only biodegradable products down the drain. Try to use liquid dish soap and liquid laundry detergent. Do not place trash or debris into your system. Also, do not put large amounts of fats, oils, and greases down the drain, since this may cause your system to fail.

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1. Who do I call in case of an emergency if I have a problem with my water or sewer?
2. What do I do if my sewer grinder pump alarm flashes and a horn sounds?
3. What do I do if I experience toilets or sinks that do not function normally?
4. What do I need to do before I dig on my property?
5. Where does my wastewater go?