Present-day water-supply systems use a network of high-pressure pumps, and pipes in buildings are now made of copper,[25] brass, plastic (particularly cross-linked polyethylene called PEX, which is estimated to be used in 60% of single-family homes[26]), or other nontoxic material. Due to its toxicity, most cities moved away from lead water-supply piping by the 1920s in the United States,[27] although lead pipes were approved by national plumbing codes into the 1980s,[28] and lead was used in plumbing solder for drinking water until it was banned in 1986.[27] Drain and vent lines are made of plastic, steel, cast-iron, or lead.[29][30]
Plumbing reached its early apex in ancient Rome, which saw the introduction of expansive systems of aqueducts, tile wastewater removal, and widespread use of lead pipes. With the Fall of Rome both water supply and sanitation stagnated—or regressed—for well over 1,000 years. Improvement was very slow, with little effective progress made until the growth of modern densely populated cities in the 1800s. During this period, public health authorities began pressing for better waste disposal systems to be installed, to prevent or control epidemics of disease. Earlier, the waste disposal system had merely consisted of collecting waste and dumping it on the ground or into a river. Eventually the development of separate, underground water and sewage systems eliminated open sewage ditches and cesspools.
You count on your evaporative cooler to reduce temperatures in your home by as much as 40 degrees. When your evaporative cooler stops working, you can end up with a hot home and a miserable family on your hands. Fortunately, our Denver plumbing service can come out and fix your evaporative cooler. Our skilled technicians can also provide maintenance and even winterize your evaporative cooler so it will be ready when spring rolls around. If you depend on an evaporative cooler to cool your Denver home, you also need to depend on JD’s Plumbing Service. Our technicians will make sure your home stays comfortable all spring and summer long.

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