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Silver Lake Water & Sewer District provides utility service to over 56,000 customers in the Bothell, Washington region since 1934. Contact Us Board of Commissioners Meetings Held on the 2nd and 4th Thursdays each month Silver Lake Water & Sewer District welcomes the public to attend and comment at our Board of Commissioners meetings, held on the second and fourth Thursdays of each month at 5:30 p.m. Currently, these meetings are being held in a hybrid format (in-person and virtually). If you would like to attend in person, please contact us at (425) 337-3647 for more information. If you would like to attend by phone, please use the conference information below: Telephone Number: 206-412-5430 Conference ID: 569 489 686# Next Scheduled Meeting: Regular Meeting Thursday, May 22nd, 2025 at 5:30 p.m. View Agenda View Archived Minutes Read Our Newsletter The District publishes two newsletters a year: Spring/Summer, and Fall/Winter. View Our Newsletters News Archive Notice of Public Hearing To Discuss the Upcoming Rate Change Thursday, April 24, 2025 Starting at 5:30 pm NOTICE IS HEREBY GIVEN that the Board of Commissioners of the Silver Lake Water and Sewer District will hold a Public Hearing at 5:30 p.m., or as soon thereafter as can be heard on Thursday, April 24, 2025, for the purpose of accepting public testimony on the proposed adjustments to the Rates for Water and Sewer Service. There is an opportunity for in-person participation; however, the public is encouraged to attend and provide comment via teleconference. Telephone Number: 1-206-412-5430 Conference ID: 255 700 309# Notice Is your garden hose making your household water funky? During the summer, the most common cause of water taste or odor complaints we receive is a pressurized garden hose that has backflowed into the home’s plumbing system. Here are some tips to help you with this issue: Disconnect the hose and run cold water from your faucet for a few minutes to flush the pipes. Need a sip of water on a hot day? Get it from your internal sources (sink or refrigerator) instead of a garden-variety garden hose which aren’t manufactured for delivering potable (drinking) water. If the taste or odor is still present after detaching the garden hose from external spigots and flushing your pipes, give us a call at 425-337-3647. Solar Power Coming to District Headquarters Department of Commerce grant funding successful In 2022, District staff applied for the Washington State Department of Commerce Solar Retrofit Grant and were successful in acquiring $75,000 in funding to put towards installing 100 kW of solar power at the District Headquarters. In total, the state grant awarded $1.4 million to 14 different projects, adding over 1 MW of power generation to public buildings. There have been significant changes to the project since the conception, including the possibility of receiving an additional rebate of the project cost via new Federal Government legislation. According to preliminary proposals, the estimated project cost will be $325,930, including $30,000 of contingency funding and $75,000 awarded by the Commerce Grant. The federal rebate may amount to an additional 40% reduction in the District’s costs. The District expects installation work to start in possibly March or April of this year, with construction taking less than a month. When complete, a 100 kW AC solar roof array will offset approximately 1/3 of our Headquarters building's electricity consumption. More information about the awardees and program can be found here. Notice of Public Hearing On Communications Site Use and Easement Agreement Thursday, November 14, 2024 Starting at 5:30 pm NOTICE IS HEREBY GIVEN that the Board of Commissioners of the Silver Lake Water and Sewer District will hold a Public Hearing at 5:30 p.m., or as soon thereafter as can be heard on Thursday, November 14, 2024, to consider approval and adoption of a resolution authorizing the District to enter into two Communications Site Use and Easement Agreements (Easement Agreements). There is an opportunity for in-person participation; however, the public is encouraged to attend and provide comment via teleconference. Telephone Number: 206-412-5430 Conference ID: 650 069 747# Notice

Silver Lake Water & Sewer District provides water utility service to over 56,000 customers in the Bothell, Washington region since 1934. Contact Us Five Ways to Pay Always include your full 10-digit account number on all methods of payment. NOTE: we do not accept credit cards or bank Electronic Funds Transfer (EFT) payments for new connection fees or other types of invoices from the District. View Rates and Fees AutoPay - Set Up or Cancellation District-Direct AutoP ay is provide d free of charge, and is for customers who want payment of th eir invoices to draw automatically from their bank account on the due date of the invoice. To sign up or cancel , please click here. Pay By Mail Include your account number on your check or money order and mail to: Silver Lak e Water & Sewer District PO Box 3784 Seattle, WA 98124 Deliver In Person (Office or Drop Box) Bring cash, check, money order, credit/debit card to our office during business hours (credit/debit card fee: $4.25); or place a check or money order (no cash) in the drop box in o ur parking lot at: 15205 41st Avenue SE Bothell, WA 98012 Pay By Phone Have your full 10-digit account number ready and call 1-844-956-1375 to use your credit/debit card, or bank Electronic Funds Transfer (E FT) to pay via our third party payment processo r, I nvoice Cloud. The fee for paying by ph one with a credit/debit card is $5.00; the fee for paying by phone using EFT is $ 3.60. Pay Now Online Have your full ten digit account number ready, and use your credit/debit card, or bank E lectronic Funds Transfer (EFT) to pay online via our third party payment processor, Invoice Cloud . The fee for using a credit/debit card is $4.25; the fee for using EFT is $2.85. Rates and Fees 2025 Water & Sewer Rate Adjustments took effect in May 2025 Rates Public Hearing Presentation Current Water & Sewer Rates Water Connection Fees Sewer Connection Fees - Alderwood Sewer Connection Fees - Everett Other Charges and Fees 2025 Peer Agency Water & Sewer Rates comparison 2021 Water & Sewer Rate Study by Katy Isaksen & Associates King County Capacity Charge Information

Silver Lake Water & Sewer District provides utility service to over 56,000 customers in the Bothell, Washington region since 1934. Contact Us This is not a public disclosure request. Find the public disclosure request form here. To contact District Engineering, please complete the form below. First Name Last Name Email Phone Address Parcel Number Message: Submit We've received your message and will respond to you shortly!

Silver Lake Water & Sewer District actively maintains and upgrades your water and sewer infrastructure, as reflected in these recent projects Contact Us Overview of the Permitting Process For a New Water Meter Submit a residential or commercial service connection application and pay the applicable District fees when invoiced. Additional costs, permitting, and/or contractor work may be required based on size, condition, and location of the existing service line between the water main in the street and the meter box. If there is no existing water main / pipe, you will be required to apply for a Developer Extension Agreement. More information is available on the Developer Process page. For a New Sewer Connection The customer is responsible for the cost of hiring a contractor to install sewer lines and restore the area. This work may entail different components depending on the type of sewer infrastructure installed near the property. If unknown, contact Engineering for more information. If there is an existing sewer lateral/stub to the property line: The custom er must submit a residential or commercial service connection application , pay the applicable District fees when invoiced, and hire a contrac tor to install a side sewer that meets District standards. Upon completion, the District will inspect and approve the work. If there is no sewer lateral/stub, or no sewer main in front of the property: The customer must apply for a Developer Extension Agreement, and hire a contractor to install a lateral and /or new sewer main. More information is available on the Developer Process page. Water / Sewer Availability A letter of water and/or sewer availability is required for most building permits in the City of Mill Creek or Snohomish County. It is also the typical first step in the land development process. Please note on the application if the work involves an Accessory Dwelling Unit (ADU) or an adult family home. Please include any building or site plans that show the proposed work. Application for Water & Sewer Availability Response. Service Connection Applications For a new water meter, and/or new sewer connection to an existing stub on a residential property, use the Application for New or Modified Residential Water and/or Sewer Service form. For a commercial service connection or irrigation service, use the Application for new or Modified Irrigation, Multi-Family / Commercial Water and/or Sewer Service form. Request As-Builts from the District Engineer Contact District Engineer

Silver Lake Water & Sewer District provides utility service to over 56,000 customers in the Bothell, Washington region since 1934. Contact Us How can I tell if I have a water leak? Unexpected high water usage (and the resulting high water bills) may indicate a leak. To check for a leak yourself, make sure all the water is turned off at your house, and then check the “low flow indicator” on your water meter to see if it is moving. The low flow indicator is usually a small dial, red or black triangle, or blue snow flake, that spins when very small amounts of water move through the meter. If the indicator is moving, and every water faucet is turned off in your home, you may have a water leak. Some leaks are very small, so the indicator may move very slowly or intermittently. You can also call us to perform a leak check: we provide one free leak check a year by a District field technician. Who do I contact before I dig? Whether you're having a new fence or deck built, removing an old tree stump, planting or removing a tree or bush, or anything involving digging into the ground more than a few inches, please DIAL 811 to request a FREE underground utility location BEFORE you dig. You can also request this service online at their website: washington811.com. We may also be able to provide you an "As-Built" drawing of your sewer system upon request. Request As-Builts. Am I responsible to have my water or sewer lines repaired? Yes, customers are responsible for maintaining and repairing their private water and sewer systems. For water, this means the pipes that run between the water meter and your residence. For sewer, this typically means the pipes and junctions that run from the property line to your residence. Please call us if you have questions or need assistance. How do I turn off my water at the point of service? All customers can turn their water off at the water meter. Most customers can also turn their water off by using their home’s shut-off valve, which is typically located in their garage. How do I winterize my house fixtures? Visit our DIY Repairs page for our winterization checklist (and a lot of other helpful information as well!) How do I request field service or an inspection? If you want to request a field technician to respond to your property for service or an inspection, simply call our customer service representatives Monday through Friday, between the hours of 8:00 a.m. – 4:30 p.m. (except on Federal Holidays), at 425.337.3647. How do I open a new account? Opening an account is easy; just call our customer service representatives at 425.337.3647. We will need your property address, and either your closing date (sale) or your move in date (rental). If you are new property owners, we strongly recommend you request your Title Company obtain an estimated and final utility bill. There is a $10.00 new account fee. How do I close my account? Closing an account is easy; just call our customer service representatives at 425.337.3647. We will need your property address, and either your closing date (sale) or your move out date (rental). If your Title Company requests an estimated utility bill, you will be sent a copy of our estimate. On the final bill, Washington state law requires us to provide an estimate of the final utility charges based on current reading and future closing date. There is a $10.00 charge for estimated utility bills, and a $35.00 final bill charge to cover the cost of staff to read the meter, prepare the estimate, and transmit the estimate to the requesting party. Why is the previous owner's balance on my bill? Washington State Law provides that water and sewer charges are liens on the property that was served. To assist buyers and sellers, and to remain in compliance with the State law, the District provides estimated utility bills and final utility bills on request. What is an estimated utility bill? An estimated utility bill is provided when the closing date is uncertain, or the closing date is beyond three days from the request. An estimated utility bill provides the current balance and an estimation based on the account's average daily consumption, plus fees and charges, up to the closing date. A per day estimate is also provided. Washington state law requires us to provide an estimate of the final utility charges based on current reading and future closing date. There is a $10.00 charge for estimated utility bills. What is a final utility bill? A final utility bill is provided when an account is closed. A reading of the meter is taken and a final utility bill is prepared. The charge for a final utility bill is $35.00 to cover our technician's visit to the property for a final meter reading. Washington state law requires us to provide an estimate of the final utility charges based on current reading and future closing date. There is a $35.00 final bill charge to cover the cost of staff to read the meter, prepare the estimate, and transmit the estimate to the requesting party. When can I expect to receive my utility bill? Most District customers are billed once every two months. Bills are mailed at the end of your billing month and are due 10 to 15 days later. Where do I mail my payment? Please mail your payment to: 15205 41st Ave SE, Bothell, WA 98012. When mailing your payment, please include your payment stub along with your check. If you use an online bill paying service, please ensure your current account number is included with your information. Your account number is located at the top of your bill. Why is my recent payment not reflected on my bill? Bills may be generated prior to receipt of your payment. If your payment is not reflected on your account, please call our customer service representatives at 425.337.3647 for assistance. What are your rates for utility service? Visit our About Your Bill page where you'll find a breakdown of the various utility rates for water, sewer, other services, and new connection fees. How can tenants or other third parties get copies of utility bills and other notices? Property owners can request that copies of utility bills and all notices be provided to tenants, property managers, and other third parties by submitting an Authorization for Copy of Statement form, found on our Forms page, under "For Customers." Will I get a notice before my service is disconnected? Customers typically get three mailed notices prior to a service being shut-off for nonpayment. The first notice is the customer's utility bill. The second notice is a courtesy "payment reminder" notice, which is typically mailed not more than sixteen days after the bill's due date. This notice will show both the amount due and the shut off date. The third notice is a shut-off notice typically mailed to the customer not more than forty-five days after the bill's due date. Accounts that are more than thirty days delinquent may be shut off according to RCW 57.08.081 (5). The actual date of shut off is printed on the reminder and shut off notices. Customers can contact the District at least one day prior to the shut-off date and make payment arrangements. How do I apply for Low Income Senior/Disabled Rates? Low income seniors and permanently disabled customers can receive utility rate discounts as described on this page of our website. To apply, go to our Forms page, look under the "For Customers" section, and click on the third bullet to download our "Low Income Senior Citizen and Disabled Persons Discount Form." Complete the form, and send it to us by postal mail, or you can deliver in person during business hours. I have a question about my bill, who do I contact? Please call our customer service representatives with any questions regarding your bill. We can be reached Monday through Friday, 8:00 a.m. to 4:30 p.m., except Federal Holidays, by calling 425.337.3647. I had a water leak, can I get my bill adjusted? District customers may apply for a leak adjustment credit once every five years. Go to our Forms page, look under the "For Customers" section, and click on the "Leak Adjustment Credit Application" form. Complete the form, and send it to us by postal mail, or you can deliver in person during business hours. Where is your service area? Click here to view the District's service area in Google Maps. How do I recognize legitimate SLWSD service technicians? All SLWSD field crew wear uniforms that identify them as employees, and carry employee identification cards. If you have questions regarding a staff contact or the identity of an employee, please call us. District employees will never ask you for a payment or payment information. For your protection, they are prohibited from accepting payments in the field. Does the District have a Night Deposit Box? A night deposit box is available for our customer's convenience at our main office building located at 15205 41st Ave SE, Bothell, WA 98012. Please do not place cash payments in the night deposit box. What is the conversion for cubic feet to gallons? One unit of water = one hundred cubic feet = 748.50 gallons of water. A customer that used 10 units of water would have consumed 7,485 gallons of water.

Silver Lake Water & Sewer District’s drinking water remains safe and protected from contaminants, including the group of manmade chemicals labeled per- and polyfluoroalkyl (PFAS) substances. Contact Us Silver Lake Water & Sewer District’s drinking water remains safe and protected from contaminants, including the group of manmade chemicals labeled per- and polyfluoroalkyl (PFAS) substances. The District sources its water from the City of Everett. Due to the protected nature of their watershed, which prohibits activities like firefighting training, manufacturing, and agriculture, there are no point sources of PFAS within our source water. What are Perfluoroalkyl substances (PFAS)? PFAS are a group of chemicals that are used widely and are commonly found in things like firefighting foam agents, the manufacture of non-stick materials for cooking (such as Teflon), and fabric protectants. Learn More: Environmental Protection Agency Washington State Dep't. of Health Background and History of PFAS Monitoring In 2016, The Environmental Protection Agency (EPA) released a health advisory for drinking water pertaining to two of the compounds found in the PFAS group: Perfluorooctanoic acid (PFOA) and Perflourooctanesulfonic acid (PFOS). Health advisory levels are non-enforceable guidelines that are intended to protect human health. The health advisory level is 0.07 parts per billion (ppb) for PFOA and PFOS combined. The Washington State Board of Health (WSBOH) recently revised the Group A drinking water rules to require water systems to monitor for select PFAS compounds beginning in 2023. WSBOH established state action levels (SALs) for five selected PFAS compounds as follows: Perfluorooctanoic acid (PFOA) - 0.010 ppb Perfluorooctane sulfonic acid (PFOS) - 0.015 ppb Perfluorononanoic acid (PFNA) - 0.009 ppb Perfluorohexane sulfonic acid (PFHxS) - 0.065 ppb Perfluorobutane sulfonic acid (PFBS) - 0.345 ppb Exceeding a confirmed SAL requires a water system to provide public notification and follow-up monitoring. While exceeding a SAL does not require a water system to treat for the contaminant, the SALs are intended to advise water systems on when to take action to lower contaminant levels to provide for safe, long-term consumption of drinking water. Testing Your Drinking Water for PFAS In 2015, Silver Lake Water & Sewer District participated in monitoring for PFAS in its drinking water under the Unregulated Contaminant Monitoring Rule 3 (UCMR 3). No PFAS compounds were detected in the Districts drinking water as shown in Table 1 below: Table 1: In 2023 through May 2024, the District monitored our drinking water quarterly for an expanded list of PFAS compounds under the EPA’s current Unregulated Contaminant Monitoring Rule (UCMR 5 ) . Once again, no PFAS compounds were detected in the District's drinking water as shown in Table 2 below: Table 2:

Silver Lake Water & Sewer District provides utility service to over 56,000 customers in the Bothell, Washington region since 1934. Contact Us Spring/Summer 2025 Fall/Winter 2024 Spring/Summer 2024 Fall/Winter 2023 Spring/Summer 2023 Fall/Winter 2022 Spring/Summer 2022 Fall/Winter 2021 Spring/Summer 2021 Fall/Winter 2020 Spring/Summer 2020 Fall/Winter 2019 Spring/Summer 2019 Fall/Winter 2018

Silver Lake Water & Sewer District provides utility service to over 56,000 customers in the Bothell, Washington region since 1934. Contact Us This is not a public disclosure request. Find the public disclosure request form here. SLWSD is only able to provide: Water and sewer as-builts within public right-of-ways or easements. Side sewer connections to buildings. Please complete the form below: First Name Last Name Email Phone Address for the As-Built Request Parcel Number Type of As-Builts Needed (please select all that apply): Water & Sewer within right-of-way / easement Side Sewer Connection Other If "other", please specify with detailed information Submit We've received your message and will respond to you shortly!

Silver Lake Water & Sewer District provides utility service to over 56,000 customers in the Bothell, Washington region since 1934. Contact Us Choose your category and click on a link. Can't find the information you're seeking? Give us a call at (425) 337-3647 Water Conservation Tips Water Conservation Kits Lawn Watering Calendar for 2025 (English) Lawn Watering Calendar for 2025 (Spanish) Our Water Use Efficiency Program Water Conservation Tips All Year Long Toilets are the #1 cause of undetected water leaks in the home (and resulting high water bills)—a leaky toilet wastes between 30 and 200 gallons of water per day! Replace worn toilet flappers, and consider replacing old toilets with water-saving newer models. Learn more Faucets are the second most common cause of water leaks. Replace rubber washers and gaskets in your faucets, hoses and shower heads. Learn more Take showers instead of baths: a 4-5 minute shower uses roughly 10 gallons of water compared to up to 50 gallons for a bath. Take shorter showers: every minute is 2.5 gallons! Install energy efficient shower heads, toilets, and faucet nozzles. Turn off the tap while shaving or brushing teeth. Fix leaky faucets, hose bibs, sprinkler heads, and toilet flappers. Wash large loads of laundry and wait until your dishwasher is full to run it. If you've only got a few dirty plates or you're in a small household where it's not practical to wait until the dishwasher's full, you're better off washing in the sink. Just remember to turn off the water while you're scrubbing. When changing out your pet's water dish or draining the aquarium to clean, use the old water on house plants. Pay close attention to your containers: unglazed terra cotta clay containers are beautiful, but they dry out quickly. Wherever possible, choose glazed ceramic, plastic, or other hard-material pots. During Summer's Peak Usage / Higher Rates Check irrigation systems for freeze damage, broken parts, and slow leaks (this tip can save schools and other municipal facilities thousands of dollars every year!) Unusually damp or green patches of grass are usually the first sign of a leak. Inspect your irrigation system for leaks and breaks at least once a month while it is being used. Water early or late in the day to reduce evaporation. Avoid watering in the head of the day and/or when it's windy. Apply water to the roots, not the foliage: Watering the roots reduces evaporation and the risk of plant disease. Using tools that direct water to the roots—like a water wand or a drip irrigation system—will help keep water where it is most useful. Water outdoor plants twice a week; apply directly by hand. Install drip irrigation for maximum watering efficiency. Apply a layer of mulch around plants to help retain water. Let your lawn go dormant: water deeply once a month to keep roots alive. Use a broom or ShopVac rather than a hose to clean sidewalks, driveways and patios, rather than hosing them down—this can save up to 150 gallons each time! Save pressure washing jobs until Fall rains return. Wash cars less often, at locations that recycle water. Turn off your garden hose at the faucet, not at the nozzle (nozzles are notorious for slow leaks). Water Conservation Components Silver Lake Water & Sewer District offers limited quantities of the following water conservation components to our customers.These items can help you manage your water usage, especially during the summer. All pieces install very easily with few tools required. Just call us to make sure we have them in stock before you come pick up! (425) 337-3647 Residential Showerhead & Faucet Kit One Low-Flow Showerhead Two Bathroom Faucet Aerators Teflon tape Outdoor Watering Components Toilet Leak Detection Kit

Silver Lake Water & Sewer District actively maintains and upgrades your water and sewer infrastructure, as reflected in these recent projects Contact Us Pioneer Trails Lift Station Replacement Scope – Replace an existing station with three submersible pumps, increased capacity, a new backup generator, and electrical control building. The existing 35-foot deep wet well will be converted to overflow storage. Total estimated project cost – $4.4 million Construction schedule – New lift station startup was in March 2025, final completion later this spring. Larimer 1 Lift Station Replacement Scope – Replace an existing station with submersible pumps, a new backup generator, and electrical control building. The existing wet well will be converted to overflow storage. Total estimated project cost – $4.5 million Construction schedule – Begin site work in April 2025, completion in 2026. Highlands East Lift Station Rehabilitation Scope – Rehabilitate an existing lift station to accommodate increased flow from new upstream developments. Scope includes replacement of motors and pumps, rehabilitating the wet well, new electrical controls and generator, and site improvements. Total estimated project cost – $3.25 million Construction schedule – Begin site work in January 2026

Silver Lake Water & Sewer District provides utility service to over 56,000 customers in the Bothell, Washington region since 1934. About Us Our Publicly-Elected Commissioners The District is governed by a publicly elected, three-member Board of Commissioners, consisting of a president, a vice president, and a secretary. The term of office is six years and the terms are staggered. Servicio de Alcantarillado desde 1970 Commissioner Position #1 Term 2020–2025 Shauna Willner is a lifelong resident in this area and grew up in North Seattle. She is a Realtor with Windermere R.E., Northeast, Inc. and has enjoyed working with buyers and sellers since 2000 and enjoys helping people achieve their goals of homeownership. Prior to Real Estate, she had a banking/mortgage lending career with Phoenix Mortgage, Bay Mortgage and others. In 2012, she was elected for Fire Commissioner at Snohomish County Fire District 7 and served through 2017. She worked collaboratively to provide first-rate service to the district while balancing the budget and overseeing a successful merger which will lower costs and expand services to the community. She will ensure that facilities and equipment are maintained and upgraded, and will work collaboratively as a regional leader to ensure the District is obtaining the best contracted services. In addition to serving as President of the HOA where she presides, Shauna enjoys her two grown sons and three grandsons and is one lucky Grandma to live close by! Shauna Willner Puesto de Comisionado #1 Término 2020–2025 Mr. John Warner was appointed to the Board on December 24, 2019, following Commissioner Bill Anderson's resignation after 35 years of service to the District. En 2012, fue elegida Comisionada de Bomberos en el Distrito de Bomberos 7 del Condado de Snohomish y sirvió hasta 2017. Trabajó en colaboración para brindar un servicio de primer nivel al distrito mientras equilibraba el presupuesto y supervisaba una fusión exitosa que reducirá los costos y ampliará los servicios al distrito. comunidad. Ella se asegurará de que las instalaciones y el equipo se mantengan y actualicen, y trabajará en colaboración como líder regional para garantizar que el Distrito obtenga los mejores servicios contratados. Anne Backstrom Juan Warner Term 2018–2023 Anne grew up in Everett, graduated from Everett High School, and continues to enjoy giving back to her community. Él y su esposa Kathy han establecido su hogar en el área de Silver Lake durante más de 27 años. En 1964, John comenzó su carrera en la planificación y diseño de mejoras al sistema de carreteras del estado. En 1974, comenzó a trabajar con una empresa consultora de ingeniería como diseñador/dibujante y, finalmente, pasó a ocupar un puesto de inspección de campo, donde inspeccionó la construcción de carreteras, plantas de tratamiento de aguas residuales y redes de alcantarillado y agua para muchos municipios y distritos de propósito especial. . A partir de 1994, John se convirtió en el inspector principal de la mayoría de los proyectos de construcción de agua y alcantarillado del Distrito, incluidas nuevas tuberías principales de agua y alcantarillado, estación de bombeo, embalses y otros proyectos municipales hasta que se jubiló en 2011. John se graduó de Lincoln High School (Seattle) y completó varios cursos de nivel universitario en los campos de ingeniería, agrimensura, pruebas de materiales y negocios. Anne has been a Silver Lake Water & Sewer District customer since 2000 and has always considered Snohomish County her home. Board of Commissioners Meetings Silver Lake Water & Sewer District welcomes the public to attend and comment at our Board of Commissioners meetings, held on the second and fourth Thursdays of each month at 5:30 p.m. Currently, these meetings are being held in a hybrid format (in-person and virtually). Learn More

Silver Lake Water & Sewer District provides water utility service to over 56,000 customers in the Bothell, Washington region since 1934. Anne Backström Service Area Water Source Water System Water Quality Sewer System LSL Inventory Our Service Area Click here to view the District's service area boundaries in Google Maps . Other Neighboring Sewer and Water Utility Providers Nuestra Área de Servicio 425-783-1000 City of Everett 425-257-8999 Alderwood Water & Wastewater District 425-743-4605 Distrito de agua de Cross Valley 360-668-6766 Distrito de agua de Mukilteo 425-355-3355 Woodinville Water and Sewer 425-487-4100 City of Snohomish 360-568-3115 Our Source of Water Silver Lake Water and Sewer District's water comes from a large freshwater lake known as Spada Reservoir, located about 30 miles east of Everett, Washington. It serves as the primary source of high quality drinking water for the majority of Snohomish County. Spada Reservoir is part of the Upper Sultan River Watershed, an area emcompassing more than 80 square miles that represents one of the wettest watersheds in the continental United States, with an average annual rainfall of approximately 165 inches. Water System Our Source of Water Silver Lake Water & Sewer District was originally formed as a municipal corporation in 1934 to provide water service to an unincorporated area of Snohomish County. Now almost 90 years later, we provide this service to over 18,773 homes and businesses, encompassing over 56,000 individuals. As of 2022, our customer base consumed an average of 4.1 million gallons of water per day and 1.5 billion gallons per year. Water System Components Silver Lake Water and Sewer District's water comes from a large freshwater lake known as Spada Reservoir, located about 30 miles east of Everett, Washington. It serves as the primary source of high quality drinking water for the majority of Snohomish County. Spada Reservoir is part of the Upper Sultan River Watershed, an area emcompassing more than 80 square miles that represents one of the wettest watersheds in the continental United States, with an average annual rainfall of approximately 165 inches. Our Water System Plan Water Quality Our Water Quality Water quality begins at the source: the Sultan Basin is carefully monitored, the watershed is patrolled, and human activities are limited to minimize the impact on the naturally pristine water. From the lake, water travels to the City of Everett's water treatment plant, where it undergoes coagulation, flocculation, filtration and disinfection, before being distributed to the Clearview Water Supply Agency, of which Silver Lake Water and Sewer District is one of three members. While Silver Lake Water and Sewer District still purchases some of our water from the City of Everett, the majority is supplied by Clearview. Annual Water Quality Reports Nuestra calidad de agua | 2020 | 2019 2018 | 2017 | 2016 Informes anuales de calidad del agua City of Everett Water Quality Office (425) 257-8800 State Department of Health 1-(800)-521-0323 U.S. Environmental Protection Agency 1-(800)-426-4791 PFAS Monitoring Silver Lake Water & Sewer District’s drinking water remains safe and protected from the group of manmade chemicals labeled per- and polyfluoroalkyl (PFAS) substances. Learn more and view test results here > Our Water Quality Water quality begins at the source: the Sultan Basin is carefully monitored, the watershed is patrolled, and human activities are limited to minimize the impact on the naturally pristine water. From the lake, water travels to the City of Everett's water treatment plant, where it undergoes coagulation, flocculation, filtration and disinfection, before being distributed to the Clearview Water Supply Agency, of which Silver Lake Water and Sewer District is one of three members. While Silver Lake Water and Sewer District still purchases some of our water from the City of Everett, the majority is supplied by Clearview. Our Water Quality Water quality begins at the source: the Sultan Basin is carefully monitored, the watershed is patrolled, and human activities are limited to minimize the impact on the naturally pristine water. From the lake, water travels to the City of Everett's water treatment plant, where it undergoes coagulation, flocculation, filtration and disinfection, before being distributed to the Clearview Water Supply Agency, of which Silver Lake Water and Sewer District is one of three members. While Silver Lake Water and Sewer District still purchases some of our water from the City of Everett, the majority is supplied by Clearview. Our Sewer System Plan Our Source of Water Silver Lake Water and Sewer District's water comes from a large freshwater lake known as Spada Reservoir, located about 30 miles east of Everett, Washington. It serves as the primary source of high quality drinking water for the majority of Snohomish County. Spada Reservoir is part of the Upper Sultan River Watershed, an area emcompassing more than 80 square miles that represents one of the wettest watersheds in the continental United States, with an average annual rainfall of approximately 165 inches.