Olson Environmental is now Riparia Environmental - delivering the same trusted service with a fresh new look.
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Stormwater

DEEP EXPERIENCE IN DESIGN AND MAINTENANCE

We provide comprehensive stormwater design and maintenance services to keep your facilities in compliance year-round. Our goal is to establish effective stormwater systems, and vegetation management, along with routine inspections and ongoing maintenance to ensure your infrastructure functions properly while meeting regulatory standards.

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CORE SERVICES

Stormwater facility design, maintenance, and repair
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We design and engineer stormwater management systems tailored to your site’s unique needs. Our solutions include retention/detention ponds and drainage systems, ensuring proper runoff control and compliance with regulatory requirements.

We repair drainage systems, including pipes, culverts, and storm drains, to manage stormwater flow efficiently and prevent flooding. We can also retrofit existing stormwater systems to improve efficiency and meet new regulatory requirements, ensuring that aging systems remain functional.

Our services include maintaining retention, detention, and wet ponds, by mowing, removing debris, controlling invasive vegetation, keeping inlets and outlets clear, and addressing sediment buildup. Regular maintenance ensures proper water storage and reduces overflow risks. We can assist with forecasting for reserve studies, providing estimates for future maintenance, repairs, and upgrades to help you with long-term planning.

Maintenance
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Vacuum (Vac) truck services

We use vac trucks to remove sediment, debris, and pollutants from stormwater infrastructure, such as catch basins, storm drains, and underground pipes. This regular vac work prevents costly blockages and ensures proper system operation.

Catch basin and drain cleaning

We provide scheduled cleaning of catch basins and storm drains to prevent clogging and flooding. Our vac truck services remove leaves, trash, and sediment to keep stormwater flowing properly.

Stormwater pipe cleaning and jetting

We use high-pressure water jetting and vac services to remove blockages and debris from stormwater pipes, ensuring optimal water flow and preventing system failure.

Filter replacement

We replace Contech stormwater filters, which capture sediment, oils, and other pollutants. Regular replacement is critical for maintaining water quality and ensuring system performance.

We specialize in BayFilter cartridge replacement, ensuring pollutants such as sediment and hydrocarbons are effectively removed from runoff to maintain compliance with environmental regulations.

We maintain and replace Oldcastle filters, which treat stormwater by removing sediments, nutrients, and contaminants. Regular maintenance ensures these systems remain effective.

Erosion and sediment control
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We implement erosion control measures like silt fences, erosion control blankets, and vegetative solutions to prevent soil loss and sedimentation in stormwater systems.

Permeable pavement maintenance
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We maintain permeable pavement by cleaning the surface to prevent sediment from clogging the system, which ensures proper water infiltration and reduced runoff.

Green infrastructure solutions
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We provide and maintain green infrastructure like rain gardens, bioswales, and green roofs, helping to manage stormwater naturally by filtering pollutants and promoting groundwater recharge.

Swale re-grading
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To ensure proper water flow and drainage, we re-grade swales as needed to restore their functionality. This helps manage stormwater effectively, prevents erosion, and maintains compliance with design specifications.

Biofiltration maintenance
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We maintain biofiltration systems, such as bioretention cells and rain gardens, by clearing debris, managing vegetation, and ensuring filter media remain effective. Regular maintenance preserves water quality by allowing biofiltration systems to properly capture and treat stormwater runoff.

Flood control system maintenance
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We maintain flood control systems such as levees, berms, and detention facilities. Proper maintenance reduces flood risks and protects infrastructure.

WHAT SETS US APART

We have powerful support

As a subsidiary of an award-winning consulting engineering firm, we offer an integrated approach with a proven track record for success throughout our region.

We know what’s at stake

Our client-centered approach means we collaborate closely with you, tailoring services to your specific project needs and goals.

We know the landscape

With 30-years of experience, we have the certifications, qualifications, and knowledge for all regulatory compliance.

WHAT WE DO

We offer a full range of natural resource-based environmental services for residential, commercial, public works, and retail development. Choose a service badge below to learn more.