Santa Clarita Storm Drain Discharge Rules

Utilities and Infrastructure California 3 Minutes Read · published February 20, 2026 Flag of California

Santa Clarita, California requires residents and businesses to prevent pollutants from entering storm drains that flow to local creeks and the Santa Clara River. This guide summarizes what the city defines as illicit discharges, the reporting and inspection process, enforcement pathways, and practical steps residents can take to avoid violations. It draws on the City of Santa Clarita stormwater program and the city municipal code so you can find official reporting contacts, program details, and the controlling ordinances referenced below. City Stormwater Program[1] and the consolidated municipal code are cited for legal authority. Municipal Code[2]

Penalties & Enforcement

The City enforces storm drain and illicit discharge rules through Public Works and its stormwater program; specific enforcement authority and procedures are published by the city program and in the municipal code references above. Where exact fine amounts or escalation schedules are absent from the cited pages, the text below notes "not specified on the cited page" and points to the official source.

  • Fines: not specified on the cited page; consult the municipal code and enforcement pages for monetary penalties and per-day assessments.[2]
  • Escalation: first, repeat, and continuing offence procedures are described in city enforcement rules; specific ranges are not specified on the cited page.[2]
  • Non-monetary sanctions: the city may issue abatement or correction orders, require cleanup, seize pollutant sources, or pursue civil or criminal action as authorized by city code.[2]
  • Enforcer and complaints: Public Works/Stormwater Division handles inspections and complaints; use the city stormwater contact and reporting pages to submit reports.[1]
  • Appeals and review: appeal routes and time limits are governed by municipal procedures; specific statutory time limits are not specified on the cited page.[2]

Common violations and typical consequences:

  • Discharging vehicle wash water, paints, oils, chemicals, or sediments to a storm drain — subject to orders, cleanup, and possible fines.
  • Construction site runoff without effective controls — may trigger stop-work orders and corrective requirements.
  • Failure to install or maintain required BMPs (best management practices) — enforcement actions and mandated remediation.

Applications & Forms

The city posts stormwater program materials and any applicable permit or plan check forms on its Public Works and Planning/Building pages; if a specific permit or standardized form for an illicit discharge response or for construction-related stormwater is required, those forms are available through the city’s stormwater or planning pages. If a particular application number or fee is required and not shown on the cited pages, it is not specified on the cited page.[1][2]

Check the city stormwater and planning pages before starting work that disturbs soil.

How to

How to report or respond to a suspected illicit discharge in Santa Clarita.

  1. Stop any ongoing discharge if safe to do so and prevent additional runoff into storm drains.
  2. Contact City of Santa Clarita Public Works/Stormwater to report the incident and get direction for cleanup and sampling.
  3. Document the scene: photos, source location, time, and any witness information.
  4. Follow any city instructions for containment, cleanup, and disposal of contaminated materials; obtain any required permits for remediation work.
  5. If you receive an enforcement action, follow appeal steps in the municipal code or contact the listed city office for review.

FAQ

Can I discharge wash water from my driveway into a storm drain?
No. Household washing that sends soaps, oils, or dirt into storm drains is considered an illicit discharge; use sanitary sewer connections or collect and dispose of wastewater properly.
Who do I call to report a spill or illegal discharge?
Contact City of Santa Clarita Public Works/Stormwater via the city stormwater reporting contacts for immediate reporting and guidance.[1]
Are there exemptions for certain discharges?
Some discharges may be permitted under specific program rules or state permits; see the city stormwater program and municipal code for any authorized exceptions. If not stated on the cited page, it is not specified on the cited page.[1][2]

How-To

  1. Identify the source and stop further flow into the storm drain if safe.
  2. Take photographs and record time, location, and any identifying details.
  3. Report the incident to City of Santa Clarita Public Works/Stormwater for instructions and official response.
  4. Follow city directions for cleanup, sampling, and disposal, and record all actions taken.

Key Takeaways

  • Prevent any pollutants from entering storm drains; they flow untreated to creeks and rivers.
  • Report suspected discharges immediately to Public Works/Stormwater for faster remediation.

Help and Support / Resources


  1. [1] City of Santa Clarita - Stormwater Program
  2. [2] Santa Clarita Municipal Code (consolidated)