Defining the Standard of Tank Purity
A decade of precision engineering, government-grade compliance, and zero-compromise water hygiene — delivered across India's most critical institutions.

What Drives Every Deployment
Every project we undertake is governed by four non-negotiable principles that define our operational identity.
Public Safety
Drinking water quality is a public health imperative. We treat every tank as critical infrastructure — zero shortcuts, zero risk.
Integrity Testing
Post-clean water samples are verified through certified laboratory analysis. You receive a full quality report with every service.
Process Transparency
End-to-end documentation, timestamped photo logs, and audit-ready reports are generated for every project — no exceptions.
Environmental Stewardship
We use food-grade, biodegradable agents and follow regulated wastewater disposal protocols on every site.
Continuous Innovation
We invest in R&D to integrate the latest cleaning technologies and refine our processes — ensuring we set the industry standard, not follow it.
Precision Machines. Not Manual Labor.
Industrial Grade Tools
Hydro-jetting rigs, industrial-capacity vacuum systems, and UVC sterilization arrays purpose-built for large-volume tanks — none of this can be replicated by manual scrubbing.
Trained Technicians
Every operator completes our 6-week certification programme covering SOPs, chemical handling, confined-space protocols, and post-service reporting standards.
Rapid Response
Standard deployment from site assessment to full-cycle completion is within 24 hours — critical for hospitals and high-occupancy buildings with no downtime tolerance.


A Decade of Building India's Cleanest Infrastructure
- 2015
Founded in Chennai
Clean Tank Services launched with two industrial machines and a singular mission: to professionalise water tank sanitation in India.
- 2017
First Government Contract
Awarded a municipal corporation contract in Chennai — our first large-scale public sector engagement and the foundation of our compliance framework.
- 2019
500 Projects Milestone
Reached 500 completed projects across healthcare, residential, and commercial verticals in Tamil Nadu and Andhra Pradesh.
- 2020
UV Sterilization Integration
Deployed UVC spectrum sterilization across all service units — the first company in Southern India to standardise this technology at scale.
- 2021
ISO 9001:2015 Certified
Achieved ISO 9001:2015 quality management certification, formalising our documentation and process standards across all operations.
- 2022
Franchise Model Launched
Introduced the Clean Tank Franchise Programme with 10 territories operational in the first year, backed by full equipment and training support.
- 2024
National Scale
Expanded to 8 states with 200+ certified technicians, 5000+ completed projects, and empanelment as a preferred vendor for government institutions in three states.
We don't clean tanks. We protect the water your family drinks, the water your patients depend on, and the water your city runs on.
— Clean Tank Services Mission StatementTrusted by Institutions Across India
Facility managers and procurement heads from hospitals, government bodies, and large residential complexes share their experience.
CleanTank's team completed a full sterilization cycle across our 14 overhead tanks within a single weekend — zero operational disruption to our ICU or OT water lines. Their documentation was audit-ready.
After switching to CleanTank, our municipal authority's quarterly lab reports showed a 93% reduction in coliform count across all cleaned reservoirs. The process is genuinely industrial-grade.