Kennewick Stormwater & Sewer Rules - City Law

Environmental Protection Washington 3 Minutes Read ยท published March 09, 2026 Flag of Washington

Kennewick, Washington regulates stormwater and sewer connections through city ordinances and the Utilities Department. This guide summarizes the municipal approach to stormwater management, sewer use and connections, enforcement pathways, and how residents and contractors can comply or report problems. It cites the Kennewick municipal code and city utility pages for procedure details; where specific fines or fees are not listed on the cited page we note that explicitly. This content is current as of March 2026 and focuses on city-level rules and official contacts.

Overview of City Rules

The City of Kennewick governs stormwater and sewer matters through its municipal code and the Utilities Department. Typical topics covered by city rules include prohibited discharges to the storm system, sewer connection standards, inspection requirements, and developer or construction stormwater controls. For the controlling ordinance text, consult the Kennewick Municipal Code online Kennewick Municipal Code - Code of Ordinances[1].

Always check the cited ordinance text before starting a project.

Penalties & Enforcement

The city enforces stormwater and sewer rules through administrative orders, fines, and referral to court when necessary. Specific penalty amounts and escalation steps vary by violation; where monetary amounts are not listed on the cited municipal page we indicate that they are not specified on the cited page Kennewick Municipal Code - Code of Ordinances[1].

  • Fines: not specified on the cited page; see the municipal code for the controlling section.[1]
  • Escalation: first offence, repeat, and continuing violations are handled per ordinance procedures or administrative orders; specific ranges not specified on the cited page.[1]
  • Non-monetary sanctions: abatement orders, stop-work orders for construction, mandatory corrective actions, connection suspensions, and referral to municipal court.
  • Enforcer: Kennewick Utilities and the City Enforcement/Code Compliance division typically handle inspections, permits, and enforcement; complaints route through the Utilities or Code Compliance contact pages.
  • Appeals: appeals and review rights are set out in the ordinance or administrative order; specific time limits for filing appeals are not specified on the cited page and require consulting the ordinance text.[1]
  • Defences and discretion: exemptions, permits, variances, or showing a reasonable excuse may apply where the ordinance allows administrative discretion; check the municipal code for criteria.
Contact the Utilities Department before assuming penalties or appeal timelines.

Applications & Forms

The city publishes permits and application forms for sewer connections, new construction stormwater controls, and utility service. Specific form names, numbers, fees, and submission details are not specified on the cited municipal code page; consult the Utilities Department pages and the city permit portal for current applications and fees.[1]

Common Violations

  • Illicit discharge to the storm drain system (e.g., dumping oil, paint, or wash water).
  • Failure to install or maintain required construction stormwater controls.
  • Unauthorized sewer connections or improper disposal of prohibited wastes.
  • Failure to comply with inspection, monitoring, or reporting requirements.

How-To

  1. Identify the issue and gather photos and location details.
  2. Contact Kennewick Utilities or Code Compliance to report illicit discharges or sewer problems; use the official complaint or utilities contact page.
  3. If a construction site is involved, notify the project owner and ensure temporary controls are installed; request an inspection if necessary.
  4. Follow any administrative order, complete corrective actions, and submit any required documentation to the Utilities Department.
Document issues and actions to support any appeal or enforcement response.

FAQ

What is an illicit discharge?
An illicit discharge is any water or waste not authorized that enters the storm drain or sewer system, such as automotive fluids, paint, or hazardous liquids.
Who enforces Kennewick's stormwater and sewer rules?
Kennewick Utilities and the City's Code Compliance/Enforcement staff administer inspections, orders, and enforcement actions; complaints should be directed to the Utilities or Code Compliance contact pages.
How do I apply for a sewer connection or stormwater permit?
Application procedures and forms are available from the Utilities Department and the city's permit portal; specific form names and fees are not specified on the cited municipal code page.[1]

Key Takeaways

  • Kennewick enforces stormwater and sewer rules through ordinances and Utilities Department actions.
  • Report problems to Kennewick Utilities or Code Compliance for fast response.
  • Check official permits and forms before starting construction or making sewer connections.

Help and Support / Resources

  1. [1] Kennewick Municipal Code - Code of Ordinances

Categories

General Governance and Administration Public Safety Public Health and Welfare Land Use and Zoning Housing and Building Standards Transportation Environmental Protection Parks and Public Spaces Business and Consumer Protection Taxation and Finance Labor and Employment Education Civil Rights and Equity Elections and Campaign Finance Events and Special Uses Signs and Advertising Utilities and Infrastructure Technology and Data