I'm thinking of putting a dehumidifier in the crawlspace.
The humidifier I like most (dry eaz cmc 100) has a built-in pump. However, it can pump water only 3 feet high, that means I cannot pump the water up one floor into one of the sinks.
There is no foundation drain visible in the crawl space that I can use. There are 3 and 4 inch black drain pipes that leads out to the city sewage. Can I drill a small hole in one of these black pipes and stick in the dehumidifier's drain hose? This would be less than 3 feet above the dehumidifier. But I wonder if it would cause any problem if large amount of water is being flushed down from the living area. Is there anything in (USA) building code on this issue?