At Hidrosfera Sub XXI, we specialize in working in all types of confined spaces and performing interventions in contaminated waters, ensuring safety and environmental protection. Our services include:

• Wastewater Treatment Plants (EDAR): We perform interventions in various areas of WWTPs, including thickener wells, screens, distribution chambers, biological reactors, and secondary clarifiers, ensuring the proper functioning of these vital facilities for wastewater treatment.
• Work in Contaminated Waters: We are equipped to operate in waters contaminated by microbiological, chemical, or radiological substances, implementing necessary safety measures to protect personnel health and the environment.
• Work in Submerged or Flooded Confined Spaces: We carry out interventions in confined spaces that are submerged or flooded, guaranteeing the safety and efficiency of operations even in adverse conditions.

We are committed to providing comprehensive and safe solutions for the treatment of contaminated waters and work in confined environments, meeting the highest quality and safety standards in every project we undertake.