Riparia is your expert guide through the environmental permitting process. We help clients obtain regulatory authorization when planning to conduct activities that may impact natural resources—working to navigate the full suite of regulations and technical standards involved at every level of review.
Riparia, backed by the full resources of MacKay’s Environmental Science and Permitting team, is one of the leading environmental permitting practices in the Pacific Northwest. Our specialists have been navigating the regulatory landscape of Washington, Oregon, Idaho, and California for over 30 years, with the experience, relationships, and technical resources to move projects efficiently from concept to approval.
Developers and project managers who need a single, capable team to handle the full permitting process—including wetland delineations, critical areas reports, federal and state permits, and NEPA and SEPA review.
Private landowners who need a specific permit—such as a Hydraulic Project Approval (HPA) to place a driveway crossing over a stream—and want expert guidance through the application process.
Coastal and waterfront property owners who need a shoreline permit or forage fish survey before breaking ground on a development project.
Riparia and MacKay’s permitting team delivers comprehensive environmental permitting services — from initial field assessments through agency coordination, permit application, and mitigation planning. Every engagement is tailored to the specific regulatory requirements of your project, jurisdiction, and site conditions.
We begin by understanding the conceptual framework of your project: what you’re planning, where, and what resources may be affected. From there, we develop a permitting roadmap that identifies which permits are required, which agencies will be involved, what each agency will need, and a realistic timeline for each.
We begin by reviewing all available data and mapping for your project site. Our field technicians then conduct detailed site reconnaissance, documenting baseline environmental conditions that will support permit applications and inform project design decisions.
With baseline conditions established, we conduct the specific technical studies your project requires—hydraulic and hydrologic analyses, wildlife assessments, cultural resource coordination, and soil and geotechnical studies. The scope of technical work varies by project type and jurisdiction.
Riparia compiles technical documentation, coordinates pre-application meetings with regulatory agencies, manages design reviews, and ensures agencies are aligned and on schedule to complete their reviews.
Our process begins with a thorough review of all enforcement documentation to identify exactly where and how compliance was lost, followed by coordinated negotiation between the landowner and regulatory agencies to establish a practical, agreed-upon pathway back to compliance.
Permitting timelines vary significantly by permit type and jurisdiction. Local reviews may be completed in 90 days while Army Corps of Engineers approvals can take up to a year or more. Get in touch and we can provide more specific timeline information tailored to your specific needs.
Navigating environmental regulations correctly safeguards our shared natural resources, protects landowners from enforcement, keeps projects on schedule, and ensures that development proceeds in a way that doesn’t create lasting harm to the environment or the public.
What is permissible in one city or county is not necessarily permissible in another. A permitting specialist who understands the specific regulatory landscape of your project can significantly reduce delays due to review and reporting errors.
Permitting ensures that everyone developing land, discharging to waterways, or operating near sensitive resources is held to the same standards. What happens upstream affects everyone downstream—and the permitting process is how that shared accountability is enforced.
The permitting process lays out exactly what is legal and protects land owners from enforcement when they comply. Ensuring compliance with your environmental permits ensures that work will not be stopped and fines will be avoided.
Environmental permits ensure that development does not occur in floodplains, along unstable slopes, or anywhere else that could create public harm.
Riparia Environmental provided natural resource management and permitting support for the Dole Valley Cabin project, addressing impacts to regulated riparian habitat near Rock Creek in Clark County, Washington.
Following a residential expansion, the project required compensatory mitigation to restore ecological function and meet local, state, and federal requirements. Riparia Environmental developed and implemented a mitigation plan that included removal of a waterward encroachment, restoration of disturbed areas, and enhancement of riparian habitat at a 3:1 mitigation ratio.
Native trees and shrubs were installed throughout the site using plant materials suited to the Pacific Northwest, and invasive species—primarily Scotch broom—were identified and treated to improve long-term habitat conditions. Low-impact construction methods were used to minimize additional disturbance, and plant protection measures were installed to support successful establishment.
The project resulted in a net gain of riparian habitat and will continue to be monitored to ensure long-term success and compliance with permitting requirements.
Specific Tasks Included: Riparian Habitat Mitigation, Permitting Compliance, Native Plant Installation, Invasive Species Management, Site Monitoring
Design and implementation of compensatory mitigation required when permitted impacts to wetlands, waterways, or regulated habitat cannot be fully avoided.
Whether you’re breaking ground on a new project or navigating a regulatory issue, the right permitting partner makes all the difference. Contact Riparia today and let’s map out the path forward together.
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Or call us directly: (360) 693-4555