Hillsboro Stormwater & Green Infrastructure Guide
Hillsboro, Oregon requires property owners and developers to control stormwater runoff and use green infrastructure where applicable to protect streams and public drainage systems. This guide summarizes the city requirements, typical permit pathways, enforcement mechanisms and practical steps for compliance in Hillsboro. Where the city references regional design standards or the municipal code we cite the official pages so you can confirm requirements and submit forms.
Key city programs are published by the City of Hillsboro Public Works Surface Water program and the adopted municipal code; regional standards from Clean Water Services also apply to projects in Hillsboro.View city stormwater pages[1] View Hillsboro municipal code[2]
Regulatory Scope and Who Enforces It
Hillsboro regulates stormwater through city ordinances and development standards; for many technical standards the city relies on Clean Water Services design manuals and standards for detention, water quality and green infrastructure. For project-level questions contact the City of Hillsboro Public Works and the Community Development Department for permitting and inspections.Regional standards and specs[3]
Penalties & Enforcement
The municipal code and related city enforcement policies set administrative remedies and civil penalties for violations of stormwater and drainage requirements. Specific fine amounts are not specified on the cited municipal code page and must be confirmed on the city enforcement pages or by contacting the department cited below.See municipal code[2]
- Monetary fines: not specified on the cited page; check enforcement section of the municipal code or contact Public Works.
- Escalation: city may issue warnings, notices of violation, and escalating fines or civil actions for repeat or continuing offences; exact ranges not specified on the cited page.
- Non-monetary sanctions: corrective orders, stop-work orders, required mitigation, restoration orders, and referral to court for injunctive relief.
- Enforcer and complaints: City of Hillsboro Public Works (Surface Water/Engineering) and Community Development handle inspections and enforcement; see Help and Support section below for contact links.
- Appeal/review: the municipal code provides appeal routes for code enforcement decisions; time limits for filing appeals are not specified on the cited page and should be confirmed with the Community Development Department.
Applications & Forms
Typical applications for stormwater-related approvals include grading permits, erosion control permits, and any city or regional stormwater facility plan reviews. The city posts permit applications and checklists on its permitting pages; if no specific form is published for a unique approval the project is reviewed through standard building or development permit applications.
- Grading and stormwater permit: name/number not specified on the cited page; see the City of Hillsboro permitting pages.
- Fees: project fees vary by permit type and are listed on the city fee schedule or project intake forms; check the City of Hillsboro website for current fees.
- Deadlines/submission: deadlines depend on permit type and project schedule; use the online application portal or contact staff for timing.
How to Comply - Practical Steps
- Determine which standards apply to your site: city ordinances plus Clean Water Services technical standards for design and maintenance.
- Prepare stormwater management plans and green infrastructure details (bioswales, permeable paving, raingardens) and include maintenance plans.
- Submit permit applications and plans to City of Hillsboro Community Development or Public Works as required; attach any regional permit documents if required.
- Allow inspections during construction and implement corrective measures if the inspector identifies deficiencies.
- Record maintenance agreements or easements if required by the city or Clean Water Services.
FAQ
- Do I need a permit for rain gardens or permeable pavement?
- Often yes; small homeowner projects may be exempt but most permanent alterations that affect runoff require review—confirm with City of Hillsboro Public Works or Community Development.
- How do I report illegal dumping or erosion into a stream?
- Report complaints to City of Hillsboro Public Works or use the city online complaint form; include photos, location, and timing.
- Who maintains publicly required green infrastructure on private property?
- Maintenance is usually the responsibility of the property owner under recorded maintenance agreements; verify requirements in permit conditions.
How-To
- Identify site drainage and locate receiving streams or public storm lines.
- Select appropriate green infrastructure BMPs and document expected pollutant removal and flow control.
- Prepare and submit plans to City of Hillsboro; attach calculations and maintenance schedules.
- Construct per approved plans and schedule required inspections.
- Record any long-term maintenance agreements and perform routine maintenance.
Key Takeaways
- Hillsboro enforces stormwater controls through city code and relies on regional technical standards.
- Early plan review and staff consultation reduce enforcement risk and delays.
- Maintenance and recorded agreements are common requirements for green infrastructure.
Help and Support / Resources
- City of Hillsboro Public Works - Surface Water
- City of Hillsboro Community Development / Planning & Building
- Clean Water Services - Standards and Resources