2NFORM, The Best Stormwater Management Software

2NFORM is a GIS-based stormwater management software designed to help you meet the requirements of your MS4 permit, reduce local flooding, plan green infrastructure projects, and boost water resiliency.

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Map Your Assets with GIS

Inventory your hard assets and other program data integrated with ArcGIS

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Coordinate Activities

Automated to-do lists prioritize and track mandated tasks and maintenance

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Quantify Program Effectiveness

Intuitive maps and dashboards show progress and provide insight

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Prioritize Investments

Analytic models inform where to focus efforts and limited resources

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Retain Chain of Communications

Maintain a historical record of documentation from responsible parties

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Streamline Annual Reporting

Automatically generate and share accurate compliance reports

Use 2NFORM, stormwater management software, on all of your devices, desktop or mobile

Flow your stormwater data into single source of truth

Strategic stormwater management starts with understanding the landscape and organizing the breadth of data your stormwater program manages. 2NFORM transforms your data into a GIS stormwater system to inform operations, strategic planning, and policy decisions. There is no software to manage: your data is stored securely in our cloud-based platform and accessible from anywhere, anytime. Best of all, it works seamlessly with Esri ArcGIS.

Strategic stormwater management

Purpose-built for stormwater managers

MS4 compliance reporting

Intuitive problem solving with GIS

Data-driven insights and trends

Smartphones, not clipboards

Schedule and track work

MS4 compliance reporting

Streamline data wrangling and eliminate the drudgery of annual reporting so you and your team can focus on where to allocate resources most effectively to reduce pollution and flooding.

2NFORM stormwater compliance software inputs your numbers into narrative summaries for your annual reports

Fit for purpose

A spatially explicit approach to stormwater management

Track progress towards clean water with 2NFORM’s TELR methodology. Easily understand water quality conditions and opportunities for improvement, with automatic volume and pollutant reduction estimates based on investments. Empower your stormwater management with our widely cited approach.

Car driving on flooded roadway
2NFORM stormwater compliance software lets you see your MS4 on interactive maps built on Esri

I can feel confident that we’re using our limited resources in the most effective way possible.”

Heidi Niggemeyer

NPDES Program Manager | Salinas, CA

Learn how Heidi is using 2NFORM to save time and money, while developing a collaborative relationship with her regulator.

Read the case study
Heidi Niggemeyer

A stormwater management software designed to accommodate your needs

Customize your stormwater management solution with 2NFORM's modular system, designed to meet unique needs, priorities, and budgets.

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Municipal Maintenance Module

Keep your house in order by inventorying assets and optimizing operations

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2NFORM Industrial / Commercial module icon

Industrial/ Commercial Module

Inspect, verify, enforce industrial and commercial facility compliance

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2NFORM Construction module icon

Construction Module

Manage an effective construction site run off control program

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2NFORM Post-Construction module icon

Post-Construction Module

Track essential documentation of private stormwater assets

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2NFORM Illicit Discharge module icon

Illicit Discharge Module

Track non storm-related flows in the urban landscape

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2NFORM Public Education & Outreach module icon

Public Education & Outreach Module

Make clean stormwater solutions actionable to your community

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2NFORM Structural BMP Diagnostics module icon

Structural BMP Diagnostics Module

Inventory and monitor public and private sBMPs

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2NFORM Trash module icon

Trash Compliance Module

Achieve stormwater trash reduction goals

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Project Delivery

Create a digital portfolio of stormwater projects from concept to delivery

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Scenario Planning

Model the environmental benefits of your watershed plan

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2NFORM Works In Tandem with ArcGIS to Unlock Endless Possibilities

Better together


As an Esri partner, we’ve taken great care to ensure you can fully leverage your investment in ArcGIS tools and data. 2NFORM brings stormwater management, MS4 compliance, and science capabilities to your ArcGIS, eliminating the need for you to develop and maintain complicated custom configurations and code.

Always learning

Dive Into Our Helpful Resources

Read case studies

2NDNATURE Resources


Let us help you map a better way

Book a personalized demo to see how our stormwater management software provides the visibility you need to streamline compliance, achieve your goals, and focus your energy on clean waterways.