Are cisterns illegal?
William Smith
Updated on April 04, 2026
California – No regulations or laws against rainwater harvesting. Colorado – The only state that it is completely illegal to harvest rainwater. Other than that each house is allowed up to 110 gallons of rain barrel storage. Illinois – No regulations or laws against rainwater harvesting.
Why did old houses have cisterns?
Cisterns are stone wells that are often found in older houses or landscaping. A cistern is designed to act as a water reservoir, holding the water until it’s needed. Traditional cisterns cannot be used for drinking water, but if you have a cistern in your basement there are several ways you can use it.
How do you size a cistern?
If your cistern is rectangular in shape, rather than square or circular, you can determine its capacity by the following procedure. Multiply the length by the width by the depth (all in feet) to get the number of cubic feet of storage. Then multiply this figure by 7.5 to get the number of gallons of storage capacity.
Is it illegal to collect rainwater in NY?
New York. Rainwater harvesting is legal, encouraged, and taught in New York.
Is it illegal to collect rainwater in Georgia?
Rainwater harvesting is legal in Georgia but closely regulated by the Department of Natural Resources in the Environmental Protection Division. According to their plumbing code, rainwater harvesting is legal as long as it is used for outdoors only.
When did houses stop using cisterns?
Cisterns, an ancient technology for the collection of rain water, were quite common at homes throughout the 19th century. They can also be found at a few 18th century homes and some built as late as the early 1940s. Using the roof as a rain collection surface, gutters and downspouts delivered water to the cistern.
How deep should a cistern be?
8” to 36”
Q. How deep do the cistern tanks have to be buried? A. They have to be buried 8” to 36” below ground level.
How much does it cost to build a cistern?
Average cost of a system of this size is between $17,000-$21,000. Generally, a rain cistern system costs more to install than it does to drill a well, though there are inherent risks with well drilling that aren’t there with rain cisterns.
How much does it cost to put a cistern in?
Cistern Cost The price to install a cistern spans from $150 to $21,000. Prices on the low end reflect above-ground cisterns that are 50 gallons or less. The reason prices vary so much is because unlike a rain barrel, a cistern can go above or below ground.
Should you build a cistern in the Caribbean?
That’s not unique to building in the Caribbean, of course. But other considerations may be… Anguilla has a public water infrastructure. But it has yet to reach us. In any event, it’s a good idea to be self-sufficient (hence, the cistern).
Do rainwater cisterns provide adequate water storage?
Rainwater cisterns can provide water of adequate quantity and quality if proper steps are taken in the planning and construction stages, and periodic maintenance is performed throughout the life of the cistern. The storage capacity of a rainwater cistern depends on several factors: the roof-catchment area available for collecting that rainfall
What is a cistern made out of?
Cisterns tend to be site-built of masonry, often open-topped or concrete-topped and may be above-ground or below ground. Since traditional cistern construction is basically a masonry box lined with high-portland cement to improve its water tight properties, we don’t find many plans or design specifications.
What is a cistern inspection?
Cistern inspection, entry, repair: most cisterns of large capacity include an access opening for inspection or repair. I extend the “cistern” concept to include large plastic water tanks that are usually located above ground and sometimes on building roofs.