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Expert Water Tank Inspection and Engineering Services
Liquid Engineering has established itself as a leading provider of specialized water tank inspection, maintenance, and engineering solutions. Our team of certified commercial divers and highly trained inspectors delivers cost-effective services that address regulatory compliance and infrastructure integrity. We specialize in non-disruptive inspections that maintain fire protection systems while ensuring tanks remain fully operational. With expertise in NFPA 25-2008 standards, we provide comprehensive evaluations including coating assessments, structural testing, and corrosion analysis. Our commitment to precision extends to ultrasonic thickness measurements, leak detection, and exterior inspections that guarantee long-term reliability.

By combining advanced technology with industry-certified personnel, we help clients navigate complex compliance requirements without service interruptions. Our approach prioritizes safety, accuracy, and minimal operational impact across steel and concrete water storage systems. With nationwide service capabilities, we support municipalities and industrial clients in maintaining critical water infrastructure. Our track record demonstrates deep expertise in solving modern regulatory challenges while upholding the highest standards of engineering excellence.
Services
Water Tank Inspections ROV Tank Inspections Disinfection Services Engineering Consultation Storage Intakes Maintenance
Highlights and features
  • Certified commercial divers perform inspections without disrupting water service
  • Specialized expertise in NFPA 25-2008 compliance requirements
  • Advanced ultrasonic testing and corrosion analysis capabilities
  • Non-invasive inspections that maintain full tank operation
  • Nationwide service with proven regulatory compliance experience
Services
NFPA Tank Inspections
Our NFPA-certified inspectors evaluate water storage tanks according to NFPA 25-2008 standards. We perform underwater ultrasonic testing, coating adhesion analysis, and structural integrity assessments without draining tanks. This service helps municipalities maintain fire protection systems while meeting regulatory requirements through comprehensive visual and technical evaluations of steel and concrete reservoirs.
ROV Tank Inspections
Using advanced remotely operated vehicles, we conduct detailed internal tank inspections without human entry. This technology enables precise sediment removal, weld seam testing, and coating condition assessments while maintaining full tank operation. Our ROV systems provide high-resolution imaging and data collection for accurate structural analysis of submerged infrastructure.
Disinfection Services
We implement EPA-approved disinfection protocols for water storage systems. Our process includes sediment removal, chlorine treatment, and bacteriological testing to ensure safe drinking water standards. This service maintains public health compliance while preserving tank integrity through controlled chemical application and thorough post-treatment verification.
Engineering Consultation
Our engineering team provides expert guidance on water tank maintenance and regulatory compliance. Services include structural analysis, repair recommendations, and long-term asset management planning. We help clients interpret inspection findings and develop cost-effective solutions for extending tank service life while meeting evolving industry standards.
Storage Intakes Maintenance
We specialize in maintaining submerged intake structures critical for water supply systems. Our services include debris removal, structural assessment, and flow optimization for intake pipelines. By combining diver expertise with specialized equipment, we ensure reliable water delivery while preventing system failures through proactive maintenance and emergency repair capabilities.
Questions
What NFPA standards do you inspect to?
We inspect to NFPA 25-2008 Section 9.2.6 requirements for steel and concrete water tanks, including 3-year intervals for unprotected steel tanks and 5-year cycles for other types.
Can inspections be done without draining tanks?
Yes, our specialized divers and ROV technology allow complete inspections while tanks remain full and operational, maintaining continuous fire protection capabilities.
What's included in a comprehensive tank inspection?
Our inspections cover coating condition, structural integrity, corrosion assessment, leak testing, sediment analysis, and exterior evaluation using ultrasonic thickness measurements and adhesion testing.
Do you provide nationwide service?
As the largest in-service provider, we serve clients across the United States with mobile inspection teams and equipment for both municipal and industrial water storage systems.
How do you ensure regulatory compliance?
Our certified inspectors maintain current knowledge of federal, state, and local regulations, providing documentation that meets all required standards for water tank maintenance and safety.