Lake Stevens Sewer District Guide for Homeowners

What does the Lake Stevens Sewer District actually cover?

The Lake Stevens Sewer District is the public utility that collects and treats wastewater for homes and businesses inside its service area. Established in 1957, the District owns and maintains the public sewer mains under the streets, the pump stations that move wastewater uphill, and the treatment facilities. It handles billing, new service connections, permits for connecting to the system, and any problem located in the public portion of the system.

What the District does not cover is the pipe on your side. The lateral — the line running from your house, under your yard, to the public main — is private property. Maintenance, root removal, repairs, and full replacement of the lateral are the homeowner's responsibility and the homeowner's bill. This is the single most misunderstood line in Lake Stevens plumbing, and it matters most the day sewage backs up into a shower or basement.

Where does the District's responsibility end and mine begin?

The dividing line is the connection point where your lateral meets the public main, usually at or near the street or a utility easement. Everything from your house to that connection is yours. Everything from the connection into the street system is the District's.

In practice, that means: a clog or break in the main under the road is the District's fix. Roots growing into your lateral under your front lawn are yours. A collapsed section of pipe ten feet from your foundation is yours. If you are not sure where a problem sits, a plumber's camera inspection can locate it precisely — the camera head has a locator beacon, so the technician can mark the exact spot in your yard and tell you which side of the line the problem is on. Our sewer line repair page explains the camera process and what lateral repairs typically involve.

What does sewer service cost in Lake Stevens?

Utility rates change, and the only number that counts is the one on the District's current rate schedule. Before you budget — especially if you are buying a home and estimating monthly costs — verify the current rate at lkstevenssewer.org or by calling the District's customer service line at (425) 334-8588.

On top of the monthly rate, budget for your lateral. A camera inspection typically runs a few hundred dollars. Clearing roots runs in the hundreds. A full lateral replacement is a multi-thousand-dollar job depending on length, depth, and whether trenchless methods work for your soil. Every job is confirmed with a written quote before work begins.

Who do I call when sewage backs up?

Call the Lake Stevens Sewer District first. This is the step most homeowners skip, and it costs them. The District can check whether the blockage is in the public main — if it is, they fix it at no charge to you. If the main is clear, the problem is in your lateral, and that is when you call a plumber. Making the District your first call takes a few minutes and can save you paying for a service visit on a problem that was never yours to fix.

While you wait: stop running water, do not flush, and keep people and pets away from any standing sewage. Sewage is a health hazard, not just a mess. If water is rising toward outlets or the electrical panel, treat it as an emergency — our emergency plumber page covers what to do when every minute counts.

How do I contact the Lake Stevens Sewer District?

For billing questions, new connections, or to check whether your address is served, use the District's published contact channels:

• Website: lkstevenssewer.org — bills, payments, forms, and rate information
• Customer service phone: (425) 334-8588 (billing and account questions)
• Email: [email protected]
• Office hours: Monday–Friday, 9:00am–4:30pm

Online payments go through the District's payment portal (linked from their site), and an after-hours drop box at the district office takes payments outside office hours. Keep your sewer account number or service address handy when you call — it speeds everything up.

What if I have septic but the sewer main is nearby?

If a public main runs near your property, connection is usually possible: you pay connection fees and permits, a plumber runs a new lateral from your house to the main, and the old septic tank gets properly abandoned under Snohomish County Health rules. In some cases — for example, a failed septic system close to an available main — the county may require connection rather than allowing a new drainfield. The District can confirm availability and fees for your address; a plumber handles the lateral work and the tank abandonment. If you are weighing the two systems generally, our septic vs sewer guide lays out the full comparison.

Last updated: October 2026

Lateral problems are homeowner problems — roots, bellies, collapses, and replacements are all on your side of the line. Contact Eby Plumbing for camera inspections and lateral work across Lake Stevens, with written quotes confirmed before we start.