Surrey drainage & runoff checklist - city bylaw
Surrey, British Columbia requires developers to design, manage and mitigate runoff and drainage impacts to protect streams, infrastructure and downstream properties. This checklist explains key municipal bylaw considerations, typical design controls, submission steps and enforcement paths for development projects in Surrey. Use the official stormwater and bylaw pages to confirm forms, technical standards and any updates before applying.
Site planning and early actions
Start by mapping existing flow paths, watercourses and low points, and identify on-site opportunities for infiltration and source control. Confirm whether the site lies within a regulated riparian or watercourse setback and plan to maintain or improve predevelopment flow patterns.
- Prepare a preliminary stormwater strategy early in concept design.
- Conduct site investigations for soils, groundwater and infiltration capacity.
- Design to meet municipal low-impact development (LID) practices where required.
Technical controls developers must consider
Specify controls sized for the design storms required by Surrey standards, including detention, retention, conveyance, erosion and sediment controls during construction, and permanent treatment for water quality where applicable. Use engineered drawings and calculations signed by a qualified registrant.
- Temporary erosion and sediment control plan for construction phases.
- Permanent stormwater management plan, hydrologic and hydraulic calculations.
- Design details for detention/retention ponds, biofiltration, swales and rain gardens.
- Operation and maintenance plan for long-term performance.
Refer to the City of Surrey stormwater guidance and applicable bylaws for specific design criteria and submission requirements City stormwater guidance[1] and the City bylaws page for controlling instruments and adoption references City bylaws[2].
Construction-phase controls and inspections
Require erosion and sediment controls (ESC) to be installed before any site disturbance. Monitor and document ESC effectiveness with inspection logs and corrective actions. Coordinate with municipal inspectors and arrange pre-construction meetings as required.
- Pre-construction ESC installation and inspection.
- Weekly ESC inspections and post-storm checks.
- Report breaches or off-site sedimentation to municipal enforcement.
Penalties & Enforcement
Enforcement for drainage and runoff non-compliance is typically administered by the City of Surrey’s responsible departments (Engineering, Planning or By-law Enforcement) and may include orders, fines, stop-work directives and remedial works at the owner’s expense. Specific fine amounts and escalation details are not specified on the cited pages; confirm exact figures on the active bylaw text or enforcement pages cited below City bylaws[2].
- Monetary fines: not specified on the cited page.
- Continuing offences may attract daily fines or escalating penalties: not specified on the cited page.
- Non-monetary sanctions: stop-work orders, remediation orders, lien recovery and seizure of works or equipment.
- Court actions and prosecution where bylaw offences are pursued through provincial court.
- Enforcer and inspections: City of Surrey Engineering and By-law Enforcement handle inspections, complaints and orders; contact via municipal enforcement pages.
Appeals and reviews: appeal routes and time limits depend on the controlling bylaw or order; the cited city pages do not specify universal appeal periods and advise consulting the specific order or bylaw text for time limits and procedures City bylaws[2].
Applications & Forms
Common applications include development permit submissions, servicing agreements and stormwater management plan submissions. The City publishes specific application forms and submission checklists on its service pages; individual form names, fees and submission portals are not fully specified on the general guidance pages and should be confirmed on the Engineering or Planning application pages City stormwater guidance[1].
How-To
- Assemble site survey, topography and hydrologic baseline data.
- Prepare preliminary stormwater management concept and consult City pre-application guidance.
- Develop detailed drainage design and ESC drawings sealed by a qualified professional.
- Submit forms, plans and calculations to City Engineering/Planning for review and revise per comments.
- Implement ESC before construction, carry out inspections and maintain records.
- Complete as-built submissions, obtain final acceptance and fulfill any operation and maintenance obligations.
FAQ
- What storm event standards does Surrey require?
- Design storm sizes and runoff criteria are specified in Surrey engineering guidance and applicable bylaws; specific storm return periods are not specified on the cited guidance page City stormwater guidance[1].
- Who inspects construction ESC and how do I report a problem?
- City inspectors from Engineering and By-law Enforcement perform inspections; report concerns via the City enforcement contact pages for response and investigation.
- Are permits required to alter a watercourse?
- Altering watercourses typically requires permits and approvals; check municipal approvals and provincial riparian or fisheries requirements with the City and provincial agencies.
Key Takeaways
- Engage municipal standards and pre-application meetings early.
- Provide sealed calculations, ESC plans and an O&M plan with submissions.
- Non-compliance can trigger orders and remediation; check the specific bylaw text for fines and appeals.
Help and Support / Resources
- City of Surrey - By-law Enforcement
- City of Surrey - Planning & Development
- City of Surrey - Engineering Services