HarvestH2o Online Community


Site Map

Get the most out of the #1 rainwater harvesting website. Below is a general description of each major section of the website. Click on any of the major topics and it jumps to a general listing of the information in that section. Another click will take you directly to the page.

Front Page - An extensive list of articles covering almost every aspect of rainwater harvesting, water conservation and water management. Click on Front Page to review a list of the most recent and the most popular. Most browsers support a Find command and it is a easy way to search look for specific topic on the front page.

Articles - Older articles that have appeared on the website, but no longer on the front page

Vendors - A listing of well over a thousand vendors, state/city programs and public displays. A great way to see what is happening in your state. To find a specific part or vendor, use the Find feature of your browser, normally under the Edit command. For example, to find Bladders for tanks do a Find on Bladders and it will locate Bladders suppliers.

Resources - A great place to start if you are interested in doing your own thing. Lots of how-to resources covering rainbarrels to tanks.

New Products - A listing of the recent product announcements that have occurred in the industry.

News - Key water conservation, rainwater or related events in the news.

BLOG - Commentary on articles, news and related water topics. The blog features a comment section that allows readers to leave comments to posts as well as to post comments to others comments.

FAQ - Frequently Asked Questions. We get a lot of questions from our readers, this is a list of the ones that we get most frequently.

Books - Read the latest books on water

Information Products - How to and important system sizing guides.

RSS Feed - Subscribe to the RSS news feed and get automatic updates of any new articles or news to your news reader.

Front Page

This page is updated at least once a week and features a What's New box at the top. This is new news and important recent developments in the rainwater and water management areas.

It also features over 70+ articles related to rainwater harvesting.

If you are interested in submitting an article for publication on the website, please drop me an email at doug at harvesth2o.com


Jump to Front Page


This page features older articles no longer on the front page, but still interesting.

Articles include:

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Vendors by is a listing by State of suppliers, designers and installers of rainwater and water-related systems. Also in the area of the website are links to known regulations and state, county and city incentives as well as a listing of public sites that can be toured.

A small list of non-US vendors is also included on this page.

If you are a vendor and not included in this FREE listing, please drop us an email to get added.

Jump to Vendors



Resources Page

Getting Started with Rain barrels - These links help you get started with rain barrlels. Key links include finding and building FREE rain barrels.

Getting Started with Tanks or Cisterns  -These link help i f you're interested in larger scale systems including tanks and pumps. Key links include FREE and low costs ways of building items yourself. 

Advanced Rainwater Systems - The latest research from around the world.  

Worldwide Information Sites  - These sites and sample installations should give you plenty of ideas of what's possible and what is happening around the world.

Related Topics  - A collection of links to other sustainable life topics...

Jump to Resources



New Products

New products is a listing of press releases and new products that have come to market in the last year.

To add new products reviews or press releases, send an email to, email Doug

Jump to New Products




News is a running list by date of all the important news onf water, water rates, water conservation and rainwater harvesting. The side bar is on all pages and normally jumps to the News page. The side bar features the latest news it replicated on the News Page.

Jump to News




A growing, general list of questions received from readers or related to existing articles.

To submit a question, email Doug

Jump to FAQ




Read the latest books on water. Also includes Films on water conservation and water in general. Some of the books and films listed include:

Films include:

Jump to Books and Films



Information Products

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January 2013

Establishing Corporate Water Sustainability

The Water Footprint of Energy Independence

WEF Executive Director Briefs US Conference of Mayors Water Council on Water for Jobs Campaign

Balancing the Water-Energy Nexus

Attacking Apathy and Reducing Demand

New water lows for Great Lakes could drain local economies

As Texas Bakes in a Long Drought, Water Becomes a Focus for Legislators

The Policy of “Pumping the Recharge”
Is Out of Control

The Intelligent Use of Water™ Infographic

Attacking Apathy and Reducing Demand

December 2012

Mississippi River shutdown because of water levels

Pesticides: Now More Than Ever

Pesticides in Tap Water Linked to Food Allergies

November 2012

Disinfection Basics

EWG Calls on EPA to Set Lower Limit on Perchlorate in Water

Saving Water, Improving Energy Efficiency

The Problem Is Clear: The Water Is Filthy

Uranium Exposure Linked To Increased Lupus Rate

The Problem Is Clear: The Water Is Filthy

Preparing for a Blue Economy

Making Every Toilet Flush Count—Creating Electricity From Sewage

October 2012

Most Big Companies Hurt by Water Problems, CDP Survey Finds

September 2012

Shrinking water's hidden footprint

Sunshine Helps Bring Clean Drinking Water To Third World Countries

NC State Leads National Effort To Evaluate Fresh Water Sustainability In The Southern U.S.

August 2012

The Investment Drought

Wall Street Took Our Homes, Now Our Water

Quarter of World’s Freshwater Used to Grow Wasted Food

Post-Fire Watersheds and Corporate Water Scarcity

The challenge of water resource management in drought-stricken Texas

July 2012

Stanching Water Waste

Honoring historical Valley waters

June 2012

New Mexico Governor Issues Drought Declaration

Extreme irrigation threatens US food supply

May 2012

Waking Up to a Crisis

Water Scarcity and a Looming Energy Crisis

April 2012

Fees and Anger Rise in California Water War

The Price of Water: A Comparison of Water Rates, Usage in 30 U.S. Cities

Congressmen, Mayors Urge WH to Invest in Water: New Report

March 2012

Gibbs Holds Hearing To Review Financing Tools For Water Infrastructure

February 2012

Water Infrastructure Bill To Top $1 Trillion

January 2012

'Miracle Tree' Substance Produces Clean Drinking Water Inexpensively And Sustainably

Could Tap Water Cause Lou Gehrig's Disease?

Food vs. Water: High Commodity Prices

Ancient Droughts, Modern Dilemmas


Old Water News >>

PRIVACY: We will not sell, rent or share your name with anyone. see policy


1. How do you harvest rainwater?
2. Where do you get the water?
3. What is the best way of harvesting rain?
4. Why should I harvest rainwater?
5. Do I need pumps to harvest rainwater?
6. Can I use drip irrigation or soaker hoses with a rainwater?
7. How big a yard can I water?
8. How big are rain barrels?
9. I want more pressure, how should I raise it?
10. Can I water my grass with rainwater?

and many more>>



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