Catchment Inspection Reports are provided for properties throughout Hawai‘i Island and island communities statewide.
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Catchment Inspection Report (CIR) Hawai'i: Catchment Inspection Reports Hawai‘i is a standardized professional evaluation of a property’s rainwater catchment system—aligned with ARCSA/ASPE/ANSI Standard 63 guidelines—that documents system condition and water quality to support informed disclosure, risk awareness, and transparent real-estate transactions for homes reliant on rainwater as their household water supply. |
Catchment Inspection Report (CIR) A Standard of Care for Homes on Rainwater Catchment
is a water quality risk assessment
For thousands of Hawai‘i households, rainwater catchment is the primary household water supply. The condition of that system directly impacts health, habitability, and property value. A Catchment Inspection Report (CIR) provides the transparency and due diligence needed when water is not supplied by a municipal Water Department. The CIR is designed to support informed decision‑making, protect the health of the user, and elevate rainwater catchment as a credible, self‑reliant water supply.
In Hawai‘i, there is no state or county agency regulating residential catchment systems. The responsibility rests entirely with the owner/user. The CIR provides a practical, professional framework to meet that responsibility. Real estate catchment disclosure is a fast approaching best practice service for homes on catchment.
What Is a Catchment Inspection Report?
A Catchment Inspection Report (CIR) is a standardized, professional evaluation of a property’s rainwater catchment system. It documents system condition and water quality at a specific point in time and is aligned with ARCSA/ASPE/ANSI Standard 63 guidelines.
The CIR functions much like a home inspection, appraisal, or land survey—but specifically for the water system that supplies the home.
Why a CIR Matters
- Health Awareness – Untreated or poorly maintained catchment systems can harbor bacteria and contaminants that pose risks, especially for immune‑compromised users.
- Transparency – Homeowners, Landlords, Property Managers, Buyers, sellers, and Realtors gain clear documentation of system condition and performance.
- Risk Assessment – Identifies deficiencies, deferred maintenance, and potential health concerns before they become emergencies.
- Informed Disclosure – Supports defensible, well‑documented real‑estate transactions involving catchment systems.
- Education Over Regulation – Encourages responsible ownership without relying on government oversight.
What the CIR Evaluates
Each Catchment Inspection Report includes a structured
field assessment and documentation
of key system components, which may include:
- Roof catchment surface and gutters
- First‑flush diverter and debris management
- Storage tank condition, access, and integrity
- Conveyance piping and fittings
- Filtration components
- Disinfection method and application
- System functionality and maintenance indicators
- Water quality testing for E. coli and total coliform
Who the CIR Is For
- Homebuyers – Understand the true condition of the water system supplying the home.
- Homeowners – Establish a baseline and maintenance roadmap for safe water.
- Sellers – Demonstrate transparency and responsible stewardship.
- Realtors & Brokers – Reduce transaction risk and support informed disclosure.
- Lenders & Insurers – Gain clarity when properties rely on private water systems.
CIRs and Real‑Estate Transactions
For properties served by rainwater catchment systems, the CIR is emerging as a best practice in real‑estate listings and sales. Realtors are on the front line of education and risk awareness when marketing homes on catchment.
Including a CIR helps:
- Minimize surprises during escrow
- Support buyer confidence
- Protect all parties through documented due diligence
- Elevate catchment systems as legitimate household water infrastructure
Education Is the Foundation
Uncle Tilo’s Clean Water believes education—not regulation—is the path forward.
For over eight years, UTCW has provided free community education through the Empowerment Through Education for Clean Water program, helping residents become informed, self‑reliant Rainwater Harvesters.
The CIR builds on that educational mission by turning knowledge into documented accountability.
A Catchment Inspection Report does not replace ownership responsibility—it reinforces it.
UTCW provides the tools, education, and professional insight to help you understand your system, protect your health, and make confident decisions about your water supply. If your home relies on rainwater catchment, a CIR isn’t optional—it’s foundational to safe, sustainable living in Hawai‘i.
Ready to schedule a Catchment Inspection Report or learn more?
Contact Uncle Tilo’s Clean Water to take the next step toward informed, self‑reliant water stewardship.
808.965.1026
[email protected]
