Translation guide
A container for holding or disposing of waste water, such as a bucket, tank, or basin. Japanese options depend on context: household, industrial, or portable use.
A bucket, pail, or basin used to collect or hold dirty water, often in cleaning or household contexts.
A general term for a container that holds dirty or waste water. Suitable for household use, like a bucket for mop water.
I dumped the waste-water container from wringing the mop into the sink.
A more technical term for a drainage container. Often used in contexts like air conditioners or dehumidifiers.
The waste-water container of the air conditioner is full.
A bucket. Commonly used for waste water in cleaning, but not specifically labeled as such. Context makes it clear.
After cleaning, I threw out the bucket of dirty water.
A large container for storing or treating waste water, such as a septic tank or holding tank.
A portable container for collecting gray water from sinks or showers in camping or RV settings.
A portable waste-water tank, often wheeled, used for RVs or camping.
I emptied the RV's portable waste-water tank at the dump station.
A general term for a waste-water tank, can be portable or fixed.
The capacity of the waste-water container is 20 liters.
The direct translation '廃水容器' is not commonly used. Instead, choose a term based on the specific type of container and context.