Rainwater Harvesting


Exclusive Representative

For the Commercial / Industrial Market

About Us

Materials Integrity Testing, Inc. (MIT, INC.) is a family owned business located in the city of Gurabo,Puerto Rico. Veteran owned and operated.


A long time vision and dream to offer and provide general construction on the island of Puerto Rico and Caribbean,which is growing with pharmaceuticals and industries which requires general construction and environmental services. Materials Integrity Testing, Inc. wants to step in and be an alternative of service in the industry.


With more than 20 years of experience in the construction industry working for a Structural Steel Construction Company in numerous tasks, we have the knowledge and the expertise to help you with any requirements or specifications you are required to fulfill your job. Whether it is a general construction or environmental and ecology oriented project.




- Mechanical Engineering

- Industrial Engineering

- Agronomy

- Project Management

- Continuous Process Improvement (CPI)

- Among others

We are a conglomerate of professionals with vast experience in areas such as:

Our Strengths

- Members of the United States Green Building Council


- Members of the American Rain Catchment Systems

  Association (ARCSA) since 2008


          - Only Accredited Professionals in PR to date


- Wide network of associates and resources with vast

   experience in different areas of expertise

Challenges of the 21 st Century

- New EPA rules and guidelines to protect the environment


- Rise in the costs related to energy and resources such as water

   among others


           - Fuel cost increase (power generation)


           - Shortages in the public water supply system


           - Decrease in the quality of water


           - Current and growing cost of utility water (PRASA)


What is Rainwater Harvesting?

It is the accumulation and deposition of rainwater for reuse on-site, rather than allowing it to run off.


Once collected, the water is redirected to a reservoir.  Its uses include water for gardens, livestock, irrigation, domestic, commercial and industrial use with proper treatment.


The harvested water can also be used as drinking water, longer-term storage and for other purposes such as groundwater recharge, among many other.

Residential Use

Commercial / Industrial Use

Why Rainwater Harvesting?

Rainwater harvesting has been used for thousands of years. The Old Testament mentions cisterns at least ten times, and rainwater harvesting systems in the Middle East date to 5,000 years ago.


It is currently in use in places like Australia, New Zealand, Europe, and even in the US Virgin Islands.


In the U.S., water shortages, quality concerns, and stormwater mitigation have renewed interest in this ancient practice.

There are many reasons to harvest rainwater, some of these are:


Quality of  the resource

     - Rainwater can be used for any potable or non-potable use


Reduced appliance/equipment maintenance due to low mineral content

     - Reduced corrosion and mineral deposits (is not “Hard Water”)


Availability of a secure, onsite water source


The value of a rainwater harvesting system relative to other potential investments

     - Water wells, desalination, etc.


Greater nutritional value for crops and gardens


Benefits of Rainwater Harvesting

Relative security of distributed water systems


     - It is a self-supply of a high quality water which allows a partial or in some

       cases, even total independence of public networks supply


Reduction on the stress loads to the public utility systems


     - It can help to alleviate a significant excess of demand from public networks

       supply, contributing to better conservation of public water resources in case

       of shortage


Cost reduction from the use of the centralized utility system


     - It can represent an important energy saving in areas where pumping water

       is needed from the water reserves to the point of use


The  ability to mitigate costly stormwater effects


     - Minimizes the flooding of the public sewer system by preventing the

       harvested water from the rooftop to flow into the public drainage network


     - EPA: SWPPP, MS4 – Phase II, etc.


The altruistic benefits


     - It helps to raise awareness and to establish a direct relationship with the

       environment that in turn represent a factual statement of the company’s

       social commitment

Rainwater Catchment System


A Rainwater Catchment System  is defined as a system that utilizes the principal of collecting and using precipitation from a rooftop or other manmade, above ground collection surface.


Most Rainwater Catchment Systems are comprised of 6 basic steps:


      - Catchment Area

      - Conveyance System

      - Pretreatment / Pre-filtration

      - Storage

      - Distribution

      - Filtration / Potabilization

Is Rainwater  Harvesting  a Viable in PR?


As we all know the island of Puerto Rico is not exempt of droughts, non the less the historical data shows that we are far from being a “dry zone”


National Oceanic and  Atmospheric Administration (NOAA ), during the past 20 years:

      - 63 to 71 inches of annual rainfall in areas of increased activity

      - About  47 inches of rain in the southwest of the Island, which tends to be


National Center of Meteorology and the Department of Natural and Environmental Resources

      - Average annual precipitation of  70 inches


Puerto Rico is considered to be among the regions with highest rain activity in the United States, Central America and the Caribbean

Yes,  it is Viable!

Where to go from here…


      - Meet to discuss the requirements, scope,

        and procedure


      - Visit existing facility and review

        documentation in order to provide a full

        solution proposal


      - After acceptance of the proposal, work will



Next Steps

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