One solution: Crystalline waterproofing. Crystalline technology has been around for more than 30 years. Originally developed in Germany, this concept of waterproofing has proven itself in construction of dams, treatment plants, tunnels and buildings. So yes, it can certainly be utilized to address problems in basement walls and slabs, retaining walls and many other residential applications.
There are several options to consider when addressing your specific problem. Often, access to the source of water is key. How do you locate this source in a cost affective way, that doesn't disrupt or make a mess of your home and its surroundings? Often crystalline technology can be your simplest and most effective solution.