2020 Water Quality Report City of Hillsboro Water Department In-Town Customers
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2020 Water Quality Report City of Hillsboro Water Department In-Town Customers Your safe, clean, high-quality drinking water continues to exceed all state and federal standards. Message from the City of Hillsboro Delivering High-Value, Reliable Water Service About this Utilities Commission Depending on your location in Hillsboro, the water provider is either the Hillsboro Water Report Department or the Tualatin Valley Water District (TVWD). Both agencies work closely together to To our valued customers: Around the world, concerns about deliver high-value, reliable water service to customers. the safety of public water supplies The U.S. Environmental Hillsboro’s safe, high-quality remain high, especially during the The Hillsboro Water Department water from both the JWC • Butternut Creek Protection Agency (EPA) drinking water is an essential coronavirus pandemic. We want serves water to: Water Treatment Plant, and neighborhood customers resource we rely on each and requires public water to reassure customers that • In-town customers located the Cherry Grove Slow Sand south of SW Tualatin Valley every day. Each time you turn on suppliers to provide Water Hillsboro’s water continues to be west of Cornelius Pass Filter (SSF) Plant, located Highway and north of your tap, you can rest assured that safe to drink and use, and we are Road and south of near the community of SW Rosedale Road off SE Quality Reports to their every drop of your drinking water committed to taking all steps Highway Cherry Grove. Learn more Butternut Creek Parkway. customers by July 1 of is kept clean and safe through necessary to maintain reliable 26 (Sunset Highway). In- at Hillsboro-Oregon.gov/ After the City completes each year. These annual source protection, treatment, water service. town customers are served CherryGroveCCR. pipeline construction in testing, and strong, resilient reports – also referred to water from the Joint Water • Three wholesale South Hillsboro, Butternut infrastructure. The City of Hillsboro Utilities as Consumer Confidence Commission (JWC) Water customers: the cities of Creek customers will be Commission is proud to share the Reports (CCR) – provide Treatment Plant located in Cornelius and Gaston, and switched to receive water The City of Hillsboro Water 2020 Drinking Water Quality information on the quality Forest Grove. the L.A. Water served by the Hillsboro Department’s staff - scientists, Report. Water Department. Learn of your local drinking • Upper-system customers Cooperative. engineers, water operators, more at Hillsboro- in western Washington water. operations crews, educators, and Please take a moment to learn Within the City of Hillsboro, Oregon.gov/ County along Hillsboro’s more - work diligently 365 days a more about your drinking water, TVWD serves water to: WaterQualityReport. original water service line. This 2020 report includes year to safeguard our watershed, and the proactive steps Hillsboro • Customers located east Upper-system customers results of water quality treat each drop of water to the Water Department is taking to of Cornelius Pass Road. testing conducted from highest standards, maintain guarantee customers will enjoy a are served January 1 through essential water infrastructure, and clean and safe water supply for December 31, 2019, monitor water quality, all to years to come. protect your health. on water served by the Cheers! Hillsboro Water Department to in-town customers. Questions? Call: 503-615-6702 Email: Lindsay.McClure@ Hillsboro-Oregon.gov Visit: 150 East Main St. John Godsey David Judah Deborah Raber Hillsboro, Oregon 97123 Utilities Commission Utilities Utilities Chair Commissioner Commissioner Fax: 503-615-6595 2 | 2020 Water Quality Report 2020 Water Quality Report | 3 Hillsboro’s Reliable Developing a Reliable Supply The Treatment Process Water Source: Upper- for Tomorrow Protection of public health is Tualatin River The Hillsboro Water Department has planned years in Hillsboro Water Department’s advance to ensure there is plentiful drinking water today, number one priority. Before The Hillsboro Water Department proudly tomorrow, and for our community’s future generations. serves high-quality drinking water to reaching your tap, water is more than 87,000 customers in the City While the upper-Tualatin River will continue to be filtered, cleaned, and treated of Hillsboro (in-town customers) and in Hillsboro’s primary water source, the City of Hillsboro is in an extensive process that partnering with TVWD and City of Beaverton to develop rural Washington County (upper-system produces some of the highest customers). Every drop of water that runs the mid-Willamette River at Wilsonville as an additional through customers’ taps comes out of a river, water supply source. Design and construction of the new Water served to Hillsboro Water or a dam and reservoir. Willamette Water Supply System (WWSS) is underway, Department’s in-town customers is drawn out of the upper- Hillsboro’s winter water source is the upper- and includes building: Tualatin River for filtration and Tualatin River and its tributaries. The river • A modified water intake on the Willamette River at treatment at the JWC Water stretches almost 80 miles from the Tillamook Wilsonville Treatment Plant in Forest Grove. State Forest in Washington County to • A state-of-the-art water filtration facility east of the Willamette River near West Linn. The The JWC Water Treatment Plant: Tualatin River has been Hillsboro’s only Sherwood • Operates 365-days per year, winter water source for almost 80 years. • Water supply tanks on Cooper Mountain Willamette River 24-hours per day In the summer, the river level drops too low • More than 30 miles of large-diameter transmission • Is the largest conventional for community use, so Hillsboro customers water pipeline traveling north from Wilsonville, through • Untreated water is then from growing in Hillsboro’s water treatment plant in rely upon water stored in two reservoirs to Beaverton, and into Hillsboro pumped to a mixing tank more than 300-miles of water Oregon, capable of treating meet demand: where chlorine and alum are pipelines. The entire WWSS will be built to modern seismic up to 85 Million Gallons per added. The chlorine serves • The Barney Reservoir is located in • Caustic soda (sodium standards, and designed to withstand the impacts of a Day (MGD) of water as a disinfectant. The alum the Trask River Watershed and holds hydroxide) is added to adjust large earthquake or other natural disaster. This will help • Provides water to Hillsboro causes small particles to 20,000 acre-feet of water at capacity, or the final pH and alkalinity to restore service quickly after a catastrophic event. Water Department’s in-town rapidly “floc” or adhere to which 14,886 acre-feet is available for reduce corrosion of lead. drinking water. (An acre-foot is the The project is estimated to cost $1.3 billion, and costs and upper-system, and one another, making them • The treated or “finished” amount that covers an acre with a foot of are shared by the three partners based on the amount of wholesale customers heavy enough to settle out of water is then temporarily water.) Water is moved from the reservoir water received. • Provides water to JWC the water in a sediment basin. stored in an underground to the Tualatin River through a one-mile partner agencies, including • After settling, polymer is Affordability and cost control are top of mind while water reservoir. long pipeline. building the communities’ next reliable water supply the cities of Hillsboro, Forest added to remove turbidity (or • Finally, finished water is • The Scoggins Reservoir — also known as system. To proactively manage costs, the three agencies Grove, and Beaverton, and the cloudiness of water). pumped either to the Fernhill Hagg Lake — is located near Gaston. are leveraging partnerships, making smart design TVWD • The water is then filtered reservoirs or directly into the The reservoir stores approximately decisions, managing risks, monitoring and projecting • Wholesales water to the City through layers of fine two large water transmission 59,950 acre-feet of water when full, of cash flow, and getting the best price and quality. of North Plains carbon and silica sand. which 13,500-acre feet is available for pipelines. An additional cost control measure is securing long- Before reaching the taps of As suspended particles drinking water. • From there, water travels terms loans. In 2019, the City of Hillsboro and TVWD Hillsboro’s in-town customers, are removed, turbidity into a network of storage secured the U.S. EPA’s Water Infrastructure Finance and water undergoes comprehensive disappears, and clear Upper-Tualatin River reservoirs and distribution Innovation Act (WIFIA) loans to finance nearly half of the treatment overseen by state water emerges. Removing lines before safely arriving project cost — $638 million. These loans will save the licensed drinking water turbidity through filtration is ready to drink at customers’ City of Hillsboro an estimated $125.2 million, and TVWD operators at the JWC Water an effective way to protect taps. an estimated $138.4 million, compared to traditional Treatment Plant: against Cryptosporidium. Learn more about the treatment financing. • Untreated water is drawn • At this point, the lowest process at JWCWater.org. For more information on Hillsboro’s future additional from the upper-Tualatin River quantity necessary of chlorine water supply source, call 503-941-4570 or visit at the Spring Hill Intake,