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Download PDF File Portland's Customer Guide to Water Quality PORTLAND WATER BUREAU CUSTOMER GUIDE TO Water Quality and Pressure YOUR GUIDE TO: • The basics of water quality and pressure. • Troubleshooting common water quality and pressure concerns. • Plumbing and water heater maintenance tips. • Lead in home plumbing and how to reduce your exposure. • Water filters, backflow prevention, emergency water storage, and water efficiency tips. 1 Portland’s Water System: Two Sources of Water Table of Contents Portland’s drinking water system delivers water from two high-quality sources— CONTACT US Water System Overview 2-3 the Bull Run Watershed and the Columbia South Shore Well Field— to almost one million people in Portland and surrounding communities. Water Quality: A Shared Responsibility 4 Water Quality Line For information on water quality or pressure, Ways to Maintain Drinking Water Quality 5 The Bull Run Watershed The Columbia South Shore Well Field lead in water testing, or to report a water quality • A protected surface water supply located in the • A protected groundwater supply located Water Quality FAQ 6 or pressure concern, please contact: Mt. Hood National Forest 26 miles from Portland. on the south shore of the Columbia River. Lead in Home Plumbing 7 503-823-7525 • Two reservoirs in the watershed store nearly • The well field provides high-quality drinking [email protected] Discolored Water Issues 8-9 10 billion gallons of drinking water. water from 26 active wells located in three different aquifers. 8:30 a.m.–4:30 p.m., Monday–Friday • The watershed receives 135 inches of snow and Taste and Odor Issues 10-11 Interpretation available rain each year. • The well field is used as a supplement to, Water Pressure Issues 12-13 or as an alternative to, Bull Run water. Home Water Filters 14 Water Heater Maintenance 15 Three-Step Treatment Process: Backflow Prevention 16 1 Disinfection: 2 Chloramination/Disinfectant 3 pH Adjustment: Emergency Water Storage 17 KT LaBadie Matt Weatherly Chlorine is added Stabilization: Sodium hydroxide is added to increase at the source to Ammonia is added, which bonds with the pH of the water to reduce corrosion Water Quality Information Specialists Water Efficiency 18 disinfect the water. chlorine to form chloramines. of lead and copper from home and Chloramines are a disinfectant that stays building plumbing systems. Resources and Assistance 19 in water longer than chlorine alone. Portland’s drinking water Sa system begins nd y R in the Bull Run i v e Columbia River r Watershed, 26 miles east Water Bull Run Watershed Bull Run Lake Quality Lab More than 11,000 of downtown Columbia South Portland. Thousands of water samples are Drinking water We Shore Well Field Reservoir & fire hydrants collected and tested ll Field flows by gravity Protection Area Dam 1 safeguard each year. from Bull Run Pumps pull groundwater Reservoir & the city. to Portland. from the aquifers of the Dam 2 Headworks Columbia South Shore Kelly Butte Treatment Well Field. re Area Underground Facility Bull Run Watershed Closu Mt. Hood Reservoir Lusted Hill Chlorine is Treatment Facility added to the Sandy River Washington water to control Park Reservoir Willamette River Ammonia and sodium bacteria and other (Under Construction) hydroxide are added to the microorganisms. Downtown Portland Powell Butte water to sustain chlorine Underground levels and adjust the pH. Reservoirs To Washington County The Portland Water Bureau is planning for changes to how Bull Run water is treated. More than 2,200 miles of water mains Reservoirs and tanks store water for household, Improved corrosion control will be online in 2022 and a new filtration plant will be lie beneath the city’s streets. fire, and emergency supply needs. completed by 2027. Learn more at www.portlandoregon.gov/water/bullruntreatment. 2 3 12 93 6 12 93 6 Water Quality Is a Shared Responsibility Easy Ways You Can Maintain Drinking Water Quality Test your water (for free) to determine if lead is present The Portland Water Bureau performs the majority of the in your home’s plumbing. work to ensure you receive safe and reliable drinking The water you receive from the Portland Water Bureau does not have water, but customers also have responsibilities to elevated lead levels, but if lead is present in your home plumbing, it maintain water quality and pressure in their home. may dissolve into your water. Free lead-in-water test kits can be ordered at www.leadline.org or 503-988-4000. See page 7 for more information on lead in home plumbing. Do not use hot tap water for cooking, drinking, or making baby formula. Water Meter If lead and other metals are present in your plumbing, hot water dissolves them more easily into your drinking water. Always use cold water for cooking, drinking, and making baby formula. Heat water as needed on Water the stove or in the microwave. Main Flush cold-water faucets before using for cooking, drinking, or making baby formula. City’s Responsibility Customer’s Responsibility If a faucet has not been used for several hours or longer, run the water for 30 seconds to 2 minutes (or until the water feels cooler) before using the • Protect two sources of drinking • Maintain and repair all plumbing on the water for cooking or drinking. This will improve water quality by bringing in water, the Bull Run Watershed customer's side of the water meter. fresh water, and reduce lead levels if it is present in your home's plumbing. and the Columbia South Shore • Protect your family from lead in your Well Field. home’s plumbing (see page 7). • Treat drinking water to control • Report water quality or pressure issues to microbial pathogens and adjust the Water Quality Line. the pH to reduce corrosion. Replace water filter cartridges. • Address water quality and pressure issues Filter Cartridge • Maintain water pressure in the Water filters are an option if you like the taste of filtered water, or that are caused by home plumbing distribution system and deliver if you have rusty water or lead caused by your home’s plumbing. (see pages 5-13). Insert Groove water to customers’ water meters. Always replace water filters according to the manufacturer's • Maintain and replace water filters and guidelines, as unmaintained water filters can harbor bacteria or • Test drinking water throughout water heaters (see pages 14 and 15). release contaminants. the distribution system to ensure it Filter Replacement meets water quality standards. • Prevent backflow contamination from Filter Cup Indicator hoses and irrigation systems (see page 16). • Maintain and repair all pipes, pumps, and other drinking water • Store emergency water for planned infrastructure, including or unplanned service disruptions Clean faucet screens. water meters. (see page 17). At the tip of most faucets you will find an aerator screen. This screen • Track and respond to water quality • Install water-efficient devices and blends air into the water, which cuts down on water use. But it can also and pressure complaints. repair leaks (see page 18). trap sediments and metals from your pipes and hot water tank. This can impact water quality and may block water flow. Routinely clean screens and replace them as needed. Twist off to remove. You may need a wrench to loosen the aerator. 4 5 Water Quality FAQs Lead in Home Plumbing How do I know my water is safe to drink? Things to Know About Lead in Drinking Water The Portland Water Bureau treats and tests your water to ensure it meets state and federal 4 drinking water standards. We continuously test drinking water throughout the distribution system for pH, chlorine, bacteria, and other water quality parameters. Call the Water Quality Line with questions or concerns, or view water quality reports online at 1. Exposure to lead can harm your child’s health. www.portlandoregon.gov/water/reports. Exposure to lead can cause slowed growth, and development and learning problems in children. Pregnant people and their developing babies are also vulnerable to lead. Can the plumbing in my home impact my water quality? Yes. Older iron plumbing can impact the taste and color of your drinking water, but it is 2. Your home’s plumbing may contain lead. not harmful to your health. If lead is present in your plumbing, it could dissolve into your The main source of lead in water is home plumbing. Homes built or plumbed drinking water. Lead is a health concern, especially for young children. If you are concerned between 1970 and 1985 may have lead solder in their plumbing. Homes built about the impact of your home’s plumbing on your water quality, call the Water Quality Line before 2014 may have brass plumbing parts that contain lead. for more information at 503-823-7525. 3. Lead in water is most harmful to formula-fed infants. How do I determine what my pipes are made of? Formula-fed infants drink a lot of water relative to their body size. When mixing Examine any exposed pipes in your basement or crawlspace, or pipes at the wall formula, use cold, fresh water. Never use water from the hot water tap. underneath sinks. Copper pipes are the color of a copper penny. Plastic pipes are typically a white or clear plastic. Galvanized iron pipes are a dull silver-gray color, and are common in older homes. Lead pipes, while also silver-gray, are not commonly found in Portland. 4. Drinking water is not a common source of lead. Lead pipes are soft and scratch easily with a coin. Lead paint and dust in homes built before 1950 is the most common source of lead poisoning in the Portland area. How can I get my water tested? To request a free lead-in-water test kit, contact the LeadLine at 503-988-4000 or visit www.leadline.org.
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