2NFORM Module

Illicit Discharge Module

Track non-storm related flows

Complete all aspects of your MS4 illicit discharge requirements. Empower your team to investigate, evaluate, and document discharge incidents and dry weather outfall inspections.

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Enable anyone to quickly capture events

Empower staff and the public to capture the location, date, and a photo of an incident.

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Automatically schedule new inspections

Reports of illicit discharge automatically trigger an inspection by your staff.

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Stay on top of dry weather inspections

Tailor 2NFORM to ensure dry weather outfall inspections are completed in accordance with your MS4 permit.

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Spot trends and patterns

Dynamic maps and reports help you see common locations and times for illicit discharge and identify repeat offenders.

Organize outfalls and illicit discharge inspections

Built in Capabilities

Streamlined compliance reporting

Intuitive problem solving with GIS

Data-driven insights and trends

Smartphones, not clipboards

Schedule and track work

Streamlined compliance reporting

2NFORM streamlines the compilation of your MS4 annual report by summarizing the data your team has collected throughout the year into the relevant section of your permit. The software generates maps, tables and concise narratives populated with program details to summarize program progress and clean water impact of your program efforts.


2NFORM allows you to spend more time on strategic stormwater management and  less time reporting to your regulator.

2NFORM stormwater compliance software inserts your numbers into narrative summaries for MS4 annual reporting
2NFORM Works In Tandem with ArcGIS to Unlock Endless Possibilities

Better together


Use ArcGIS with 2NFORM to accelerate your journey toward less polluted waterways, less flooding, and more resilient stormwater management. 

Leverage the breadth of ArcGIS products to make the most of your stormwater data. Use ArcGIS Field Maps to display and collect information. ArcGIS Dashboards let you monitor and share stormwater information. With ArcGIS Hub Premium you can inform and collaborate with stakeholders and the community. The possibilities are endless. 

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Public Education & Outreach Module

Make clean stormwater solutions actionable to your community

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Industrial/ Commercial Module

Inspect, verify, enforce industrial and commercial facility compliance

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Post-Construction Module

Track essential documentation of private stormwater assets

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Let us help you map a better way

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