WATER QUALITY

Water Quality2018-08-02T09:53:23-07:00

SANTA CLARITA VALLEY WATER QUALITY REPORTS

In 1998, the Environmental Protection Agency began requiring community water systems to prepare and provide their customers annual consumer confidence reports on the quality of the water delivered by the systems, as compliance with the Safe Drinking Water Act.

The Annual Water Quality Report is a way of transparently revealing information about the water requirements and water supplies of the Santa Clarita Valley.  The current report was prepared for the imported water wholesaler, Castaic Lake Water Agency (CLWA), and for the four local retail water Purveyors that serve the Valley: CLWA Santa Clarita Water Division, Los Angeles County Waterworks District 36, Newhall County Water District, and Valencia Water Company.

UNDERSTANDING WATER QUALITY

SCV Water is committed to maintaining high quality water for our customers. We continue to meet standards set by the State Water Resources Control Board-Division of Drinking Water and other regulatory agencies. In addition, SCV Water has an ongoing program of water supply testing and protection. This means security measures, to protect the Santa Clarita Valley’s water supply, are in place at all facilities. Each year we send out a water quality report to every household in the valley, which shows residents how water meets standards by providing a summary of our frequent testing.

The hard water experienced by many residents is due to minerals in our groundwater supply and are not a result of drinking water contaminants. Hardness is caused by calcium and magnesium, which occur naturally in all waters. Under certain conditions the calcium and magnesium will leave deposits on some hard surfaces. While these do not pose any threat to the quality of your drinking water from a health perspective, hard water can create aesthetic problems such as spots on glass and porcelain.

Occasionally you may notice that water from your faucet has a cloudy, or milky-white, color. This is nothing more than dissolved air in the water. When you turn on your tap, pressure is released and the air comes out of solution. If you let the water sit for a minute or two (in a glass or pitcher), you should notice that it clears up.

At times, you may notice a slight chlorine-like smell in your water. By regulation, we add chlorine to the water to protect against harmful bacteria. Numerous tests are done each week to ensure the proper chlorine levels are in the water. Depending on the form of chlorine used, and an individual’s sensitivity to chlorine, chlorine odor may be more apparent at different times.

In addition to chlorine smells, some customers may notice “rotten egg” odors.  Generally speaking, this odor is usually not caused by the water itself—but instead by odors coming from customers’ drain. As the water flows into the drain, it displaces rotten egg odors which people smell and associate with the water. If you are experiencing rotten egg odors, then try filling a glass with water and smelling it away from the drain. This should clear up any confusion about where the odors are coming from.

Occasionally customers might experience a “swampy-musty” odor due to summer algae blooms in Castaic Lake. Efforts are made to prevent these growths from entering the treatment plants. In addition, SCV Water uses ozone to treat the lake water, which usually destroys these odor-causing byproducts of algal growth.

Not only is SCV Water expertly qualified to address the contamination of the groundwater with perchlorate, our efforts have resulted in the completion of treatment facilities to clean up perchlorate contamination and prevent future spreading of the chemical.  These facilities, along with continuous groundwater monitoring by SCV Water, ensures that drinking water meets all state and federal standards.

Chloramine is a combination of chlorine and ammonia and is one of several U.S. EPA approved disinfectants used to protect against disease-causing microorganisms in water. It has been safely used in the United States since the early 1900s, and is commonly used in southern California, across the nation, and worldwide.

The disinfection treatment for the valley’s water was changed from chlorine to chloramine in 2005. This change ensures that higher water quality standards set by the U.S. EPA are met.  Another benefit of using chloramine is it lasts longer than chlorine—adding to the disinfectant’s protection of our water.

As with chlorine, chloramines must be removed or neutralized for aquatic animals and kidney dialysis patients.

BACKFLOW TESTING

SCV Water is dedicated to supplying its customers with safe and healthy drinking water. As part of maintaining a safe and reliable water supply, SCV Water implements, administers and maintains an ongoing Cross-Connection Control Program (CCCP). A cross-connection is any actual, or potential, unapproved connection between the potable water system and a non-potable source. This connection creates a passage for the potential reverse flow from the normal direction of flow back in to the distribution system—this is known as backflow. Backflow is defined as the undesirable reversal of flow of water or mixtures of water and other liquids, gases or other substances into the distribution pipes of the potable supply of water from any source or sources.

To prevent reversal of flow from occurring, and to satisfy the Title 17 California code of regulations, SCV Water’s CCCP adopts the operating rules and evaluates the degree of probability that backflow can occur. Where probability that backflow can occur, a backflow preventer is required to be installed at the users point of connection. A backflow prevention assembly is defined as any effective and approved assembly used to prevent backflow into a potable water system. A list of approved backflow assemblies can be found at http://fccchr.usc.edu/list.html.

Upon initial installation and annually thereafter, a backflow prevention assembly will require an inspection and testing for continual assurance of proper operation. This test is performed by an LA county certified backflow tester. A list of testers can be found at http://www.publichealth.lacounty.gov/eh/docs/ep_cross_con_emplist.pdf. If you received a backflow prevention test report and have questions, or want to inquire more information about backflow testing, please contact the Cross-Connection Department at backflow@scvwa.org.