Water lines transport potable water from reservoirs or treatment plants to residential, commercial, and industrial areas. The materials used in these pipes affect the system’s durability and the water’s safety. Learn about the types of water line pipe materials NYC uses and why others aren’t permitted.
NYC DEP Rules and Regulations
The New York City Department of Environmental Protection (DEP) sets strict standards for the materials used in water line pipes. According to their governing rules for the water supply, new service pipes with a diameter of two inches or less should be made of brass pipe or copper tubing. For pipes larger than two inches, the choice is between brass and ductile iron.
These regulations are in place to ensure that the city’s water system remains efficient and safe for its residents. With a dense population and aging infrastructure, NYC requires materials that can withstand the test of time and high water demand. Using copper and ductile iron pipes helps maintain the quality of the city’s water supply while minimizing disruptions due to maintenance or repairs.
The Benefits of Copper
Copper’s reputation for corrosion resistance makes it an approved water line pipe material in NYC. Not only does it resist rust, but copper also boasts antimicrobial properties, making it ideal for maintaining the purity of drinking water. With the city’s extensive water distribution system, it’s essential to use materials that won’t compromise water quality, and copper rises to the occasion.
Copper pipes are also known for their flexibility, which simplifies the installation process. Copper pipes can be bent and maneuvered around obstacles, making them suitable for tight spaces and challenging layouts.
The Durability of Ductile Iron
For larger water lines, ductile iron is the go-to material thanks to its exceptional strength and durability. Unlike regular cast iron, which is brittle, ductile iron’s unique composition allows it to withstand high-pressure applications and resist cracking under stress, making it ideal for water line pipes in demanding environments.
When ductile iron is properly coated, it effectively resists corrosion, which significantly enhances its lifespan in water distribution systems. Internal coatings, like cement mortar, and external coatings, such as bonded zinc, maintain the ductile iron pipe’s structural integrity.
Copper tubing and ductile iron are durable materials that safely deliver potable water throughout New York City. At Harris Water Main and Sewer, we perform water main repairs in Brooklyn to address issues such as leaks, pipe corrosion, and low water pressure in service lines. We can repair or replace damaged pipes quickly to restore the reliability and safety of your water delivery system. Call us today for friendly and thorough service.