Who enforces storm drain and sewer discharge rules in Costa Mesa?

The City Public Services and Code Enforcement departments enforce storm drain and sewer discharge rules; specific roles are described in the municipal code and program pages in Resources.

How do I report an illicit discharge or sewer overflow?

Report immediately to the City Public Services phone or online complaint form listed in Resources; provide location, description, and photos when possible.

Are there published fines for violations?

Monetary fines and schedules are established by ordinance or administrative citations; the exact amounts are not specified on the cited city pages in Resources.

Costa Mesa Sewer Fees, Discharge Limits & Storm Drain Rule

Utilities and Infrastructure California 3 Minutes Read · published March 01, 2026

Costa Mesa, California requires businesses and property owners to follow local sewer and storm drain rules designed to protect public health and marine resources. This guide summarizes how discharge limits, sewer fees, and the city storm drain program interact, what departments enforce the rules, and practical steps to comply, report problems, and pursue appeals. Use the official resources listed in Help and Support / Resources for full code text and forms.

Scope & Key Requirements

The city regulates two related areas: sewer system discharge rules (what can be discharged to the sanitary sewer) and storm drain/illicit discharge controls (what may enter storm drains or street gutters). Requirements may include pretreatment, limits on pollutants, and fee recovery for sewer service and treatment costs. For specific code language and program details, consult the municipal code and the City Public Services Stormwater program in Resources.

Penalties & Enforcement

Enforcement is handled by City Public Services and Code Enforcement, often with support from the municipal utilities or environmental programs. The municipal code and stormwater program pages available in Resources should be consulted for the controlling ordinance and program rules.

Fines: not specified on the cited pages in Resources.
Escalation: first, repeat, and continuing offence ranges are not specified on the cited pages.
Non-monetary sanctions: corrective orders, abatement, administrative citations, injunctions, and referral to court are authorized under typical municipal enforcement provisions (see municipal code in Resources).
Enforcer: City Public Services, Code Enforcement, and the department named in the ordinance; inspection and complaint routes are available through the city complaint/contact pages in Resources.
Appeals and review: appeal procedures and time limits (for administrative citations or orders) are set in the municipal code or implementing regulations and should be followed exactly; specific time limits are not specified on the cited pages in Resources.
Defences and variances: the code commonly allows permits, variances, or approved pretreatment where available; specific criteria are described in the controlling ordinance and program guidance.

Contact the enforcing department promptly to preserve appeal rights.

Applications & Forms

Where required, applications for permits, discharge variances, or industrial user agreements are published by the city or referenced in the municipal code. If no published form is available, the city accepts written applications or calls to the listed department per the guidance in Resources.

Permit/variance forms: may be available from Public Services or the stormwater program page in Resources; if a form number is required, consult the municipal code link in Resources.
Fees: sewer service and industrial user fees are established by ordinance or resolution; exact fee schedules are on city billing or utilities pages in Resources or not specified on the cited pages.

Common Violations

Illicit discharge to storm drain (chemicals, wash water, concrete slurry).
Unauthorized industrial discharge to the sanitary sewer without pretreatment or permit.
Failure to maintain grease traps, oil separators, or erosion controls.

Document and report violations quickly to reduce enforcement exposure.

Action Steps — Comply, Report, Appeal

Check the municipal code and stormwater program pages in Resources for the controlling ordinance text.
Install required pretreatment (grease interceptors, oil/water separators) if your processes discharge regulated wastes.
Report illicit discharges or sewer overflows to City Public Services immediately using the contact links in Resources.
If issued an administrative citation or order, file an appeal within the municipal code deadlines listed in the ordinance or contact the enforcing department for timelines.

FAQ

Who enforces storm drain and sewer discharge rules in Costa Mesa?: The City Public Services and Code Enforcement departments enforce storm drain and sewer discharge rules; specific roles are described in the municipal code and program pages in Resources.
How do I report an illicit discharge or sewer overflow?: Report immediately to the City Public Services phone or online complaint form listed in Resources; provide location, description, and photos when possible.
Are there published fines for violations?: Monetary fines and schedules are established by ordinance or administrative citations; the exact amounts are not specified on the cited city pages in Resources.

How-To

Identify the discharge: note time, location, photos, and any witnesses.
Contact City Public Services or Code Enforcement via the links in Resources and submit the information.
Follow any inspection or information requests from the city and preserve records or samples if requested.
Complete required corrective actions, submit proof (receipts, maintenance logs), and await closure from the enforcing agency.
If you receive an order or citation, review appeal instructions in the order and file within the time limit indicated or contact the office listed in Resources.

Key Takeaways

Prevent discharges with proper pretreatment and maintenance.
Report spills and illicit discharges immediately to City Public Services.
Consult municipal code and stormwater program pages in Resources for ordinance text, permits, and forms.