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Silver Lake Water & Sewer District provides utility service to over 56,000 customers in the Bothell, Washington region since 1934. New Development District Codes District Standards District Forms Overview of the Process for Builders and Developers Developer Extension Phases, Submittals, and Fees District Engineering Open Office Hours (In Person) - Wednesdays 10am - 12noon Request As-Builts from the District Engineer Contact District Engineer View Current Projects

Silver Lake Water & Sewer District provides utility service to over 56,000 customers in the Bothell, Washington region since 1934. Requests for Proposals There are no projects currently out for bid.

Silver Lake Water & Sewer District provides utility service to over 56,000 customers in the Bothell, Washington region since 1934. If you have a water or sewer emergency, call us at (425) 337-3647 Notice: Our office will be closed on Friday, May 22nd (at noon) & Monday, May 25th, 2026, for the Memorial Day Holiday Welcome to Silver Lake Water & Sewer District Serving more than 56,000 residents in Mill Creek and unincorporated Snohomish County since 1934 Attend a Public Meeting Pay Online Now About Your Bill Customer Assistance Forms & Documents Contact The District News & Announcements Upcoming Board of Commissioners Meeting Next Meeting: Regular Meeting / Public Hearing Thursday, April 23, 2026 Starting at 5:30 p.m. Learn More We're Hiring! The District is recruiting to fill it's Operations & Maintenance Manager, Payroll & AP Coordinator, Utility Maintenance Worker/Apprenticeship, & Seasonal Maintenance Worker positions. Click below to learn more about joining our team! Learn More Lead Service Line Inventory Published The District's inventory is complete, we are pleased to report that no lead service lines were discovered in completing the inventory. Learn More News Archive Our Mission Silver Lake Water & Sewer District's mission is to provide high quality, safe and reliable water and wastewater services, while practicing good stewardship of both natural and financial resources. As our service area grows, we are continually making investments in our infrastructure to ensure an adequate supply of water is readily available to meet the needs of all customers. About Your Service About Us

View and download forms for Customers, Developers, and Permitting Forms For Customers Authorization for Autopay Authorization for Copy of Statement Low Income Senior Citizen and Disabled Persons Discount Rate Application Claim for Damages Leak Adjustment Credit Application For Developers / Permits Application for Water - Sewer Service As-Built Requirements Availability Requests Developer Extension Application Developer Extension Agreement Developer Extension Assignment Form Developer Extension Plan Preparation Requirements General Notes Hydrant Water Meter Rental Agreement Sewer CCTV Requirements SLWSD Utility Easement Form

Silver Lake Water & Sewer District provides water utility service to over 56,000 customers in the Bothell, Washington region since 1934. About Your Bill 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 2026 Rate Adjustment Notice 2026 Rates and Fees Adjustment Proposal 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. Employment Opportunities Work for Silver Lake Water & Sewer District The Silver Lake Water & Sewer District is an Equal Opportunity Employer and does not unlawfully discriminate on the basis of race and color, religion and creed, national origin, sex, marital status, HIV, AIDS, and hepatitis C status, honorably discharged veteran or military status, age, disability, pregnancy and maternity, sexual orientation and gender identity, use of a guide dog or other service animal, genetic information or any other protected class status. Applicants with disabilities may be entitled to reasonable accommodation in the hiring process. Please contact SLWSD at (425) 337-3647 if you need assistance completing this application or to otherwise participate in the hiring process. Silver Lake Water & Sewer District only accepts applications for positions that are currently open, we do not accept unsolicited applications, and are unable to retain applications for future job opportunities. For positions that are advertised as open until filled, you may still submit an application after the posted "first review date" has passed. Current Job Opportunities Operations & Maintenance Manager Brochure | Job Description Payroll & AP Coordinator Brochure | Job Description Utility Maintenance Worker - Apprenticeship Brochure | Job Description Seasonal Maintenance Worker Brochure | Job Description Application Form

Silver Lake Water & Sewer District provides utility service to over 56,000 customers in the Bothell, Washington region since 1934. News & Events 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: 515 616 949# Next Scheduled Meeting: Regular Meeting/Public Hearing Thursday, April 23, 2026, at 5:30 p.m. View Agenda View Archived Minutes Notice of Public Hearing To Discuss the Upcoming Rate Change Thursday, April 23, 2026 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 23, 2026, 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: 515 616 949# Notice 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 utility service to over 56,000 customers in the Bothell, Washington region since 1934. Contact Engineering 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 provides utility service to over 56,000 customers in the Bothell, Washington region since 1934. Water Conservation 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 provides utility service to over 56,000 customers in the Bothell, Washington region since 1934. As Built Request 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’s drinking water remains safe and protected from contaminants, including the group of manmade chemicals labeled per- and polyfluoroalkyl (PFAS) substances. PFAS Monitoring 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. Newsletter Archive Fall/Winter 2025 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