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Water Operations

The Water Services Division is responsible for the production and delivery of drinking water.  State certified/licensed treatment and distribution operators monitor and maintain the City's water storage tanks, reservoirs and delivery system and ensure the safety of the drinking water supply.  The Water Services Division also provides programs and information about water quality and supply, water conservation, water pressure, meter reading and leak detection.

View the Drinking Water System.

For water emergencies occuring on weekdays between the hours of 4:00 p.m. and 6:30 a.m. or on weekends, please contact the City after hours call center at (714) 549-6913.

Water Service Billing

The Water Billing Division assists with customer service inquiries, rate analysis, meter reading, customer billings, cash management, financial analysis, risk management, and acts as a liaison to field operations in construction of major capital improvements, infrastructure and ongoing operational maintenance.

To contact Water Billing and Customer Service, please call (714) 573-3075.

To pay your water bill online, please click here.

Connecting to the Water System

A property may be connected to the City's water system if it is located within the City’s Water Services area and utilities are available in the street. If utilities are not already stubbed to the property line, an Encroachment Permit is needed to work in the City right-of-way.  Contact the Engineering Division to determine the closest utilities and availability for connection.  A Building Permit is also required to construct utilities from the property line to the house and may be obtained through the Building Division. Connection Fees are collected when the Building Permit is issued.

Entrained Air

If your tap water has a slightly “milky” appearance, you’re probably experiencing an interesting but harmless phenomenon known as “entrained air.” The milky color in the water caused by tiny air bubbles is harmless and is related to the operation of City wells. The air is dissolved under pressure in the groundwater, much like carbon dioxide in a bottle of soda. If your tap water is milky colored and you want to confirm you are experiencing entrained air, rinse out a clear glass twice and then fill it with cold tap water. After a few moments, the water should begin to clear from the bottom of the glass to the top as the bubbles rise to the surface. If the water does not clear, please contact us.

Flushing Out Your Water Heater

Many manufacturers recommend periodic flushing of water heaters to remove sediment that can build up.  The sediment can cause discoloration of the water and make the water heater less efficient.  Customers sometimes report white particles that clog plumbing fixtures.  This may be bits of calcium carbonate scale coming from your water heater.  The scaling may be worsened because the water heater thermostat is too high.  If the particles are calcium carbonate, you probably need to flush your water heater.  Be sure to follow the manufacturer's owner's guide for your water heater.

Hard Water

Calcium and magnesium are the two minerals that typically cause drinking water hardness.  If substantial amounts of calcium and/or magnesium are present in your water, the water is said to be hard because making a lather of suds for washing is difficult to do.  Water containing little calcium or magnesium is called soft water.

Serratia Bacterial – Pink or Black Substance in Toilets/Showers

Usually this pinkish film appears during and after new construction or remodeling activities.  The dirt and dust stirred up from the work probably contains Serratia bacteria.  Once airborne, the bacteria seek moist environments to grow. These airborne bacteria can come from any number of naturally occurring sources, and the condition can be further aggravated if customers remove the chlorine from their water by way of an activated carbon filter.

While all water utilities are concerned about the quality of the product they are supplying to their customers, they cannot guarantee water quality once it leaves the pressurized distribution system and enters the customer's plumbing system.

Rotten Egg Smell From Drains

Bacteria growing in sink drains can make hydrogen sulfide gas (“gas”), which smells like rotten eggs.  When water runs down the drain, the gas is pushed out where it can be smelled.  A cup of household bleach poured down the drain will help kill the bacteria and take care of the smell.  Water heaters can also harbor bacteria that cause rotten egg smells.  If your sink drain is not the source, check your hot water for rotten egg smells and flush your water heater if necessary.

Fluoride

Fluoride is not added to water produced by the City’s groundwater wells or City of Tustin Water Services treatment facilities; however, it is naturally occurring in the groundwater supply and ranges between 0.2 to 0.7 milligrams per liter (“mg/L”). The City purchases water from the Metropolitan Water District of Southern California, which adds fluoride to the water during the treatment process.

The U.S. Environmental Protection Agency (“EPA”) regulates fluoride in drinking water. The maximum level of fluoride deemed acceptable per EPA standards is 4 mg/L. The California Department of Health Services, which specifically regulates the City’s water system, recommends the fluoride levels in drinking water average 1 mg/L with the maximum level being 2 mg/L. For additional information about the City’s water supply and water quality, refer to the Annual Water Quality Report.