The area of blocked drains has long been a significant issue in households and commercial establishments. The condition may occur unexpectedly and cause numerous inconveniences, from minimal water flow to severe flooding. Recently, numerous measures have been developed to counter these problems. This report will delve into the contemporary advances made in emergency blocked drain solutions and how they are revolutionizing the field.

Blockages can arise from various sources - in domestic kitchens, food waste, grease and soap are common culprits; in bathrooms, hair and soap play a significant role, while leaves and dirt typically choke up outdoor drains. In the past, solutions typically involved using drain snakes or rods to manually remove the blockages. While these conventional methods can still be effective, they do not always work in all situations, especially when the blockage has significantly built up or is located too far down the pipe.

One contemporary solution in this space is high-pressure water jetting. This technology uses force to disrupt blockages and effectively clear drains. The jetting machine pressurizes the water up to 5000 psi, efficiently removing even the most stubborn blockages and ensuring the drains are spotless. The power can be adjusted according to the severity of the blockage, and different nozzle attachments can handle various types of blockage materials. This method is environmentally friendly, as it uses only water without any harsh chemicals.

Another new advancement that aids in blocked drain emergencies is the use of remote-controlled robotic cutters. These mechanized devices can access hard-to-reach regions of the drain unblocking harrow, efficiently eliminating sturdy obstacles such as tree roots that have grown into the pipe. The precision and control offered by these robotic cutters provide a superior solution that minimizes pipe damage.

Additionally, advanced drain inspection technology involving CCTV drain surveys has become prevalent in the industry. This technology involves sending a small camera down the drains to diagnose the cause of a blockage. With a clear visual of the problem, it's easier to strategize the best way to resolve it and prevent a recurrence. This non-destructive method is another significant leap in the emergency drain unblocking field.

Finally, bio-enzymatic drain cleaners have started to gain traction as a non-toxic and environmentally friendly solution. These cleaners use natural bacterial cultures and enzymes to breakdown blockages in drains without using harmful chemicals. Not only are these cleaner green and safe for use around children and pets, but they also help in maintaining healthy septic systems.

Overall, the landscape of emergency drain unblocking has drastically improved from rudimentary manual interventions to more sophisticated, efficient, and eco-friendly solutions. The effectiveness of the recent solutions emphasizes the significance of embracing new technologies in this field. Continued research and innovation are paramount in providing better, safer and more efficient solutions to emergency blocked drains.