Stormwater compliance is often treated as a lower-risk environmental, health, and safety (EHS) program. A facility has a permit, inspections are scheduled, and best management practices are documented, so the program can appear under control. But the data, and what we see in the field, tell a different story. Stormwater enforcement actions have increased significantly in recent years, with some analyses showing a 23% increase in enforcement activity since 2020 and average penalties exceeding $27,000 per violation per day. Some facilities have had violations which caused agencies to threaten to close them down with cease and desist orders.
Most stormwater violations are caused by execution failures that happen when permit requirements are not built into facility routines. Where stormwater programs break down:
- Inspections exist on paper, not in practice: Most permits require routine inspections, whether monthly, quarterly, or tied to qualifying storm events. But inspections are often missed, late, or documented inconsistently. Incomplete records make it difficult to prove controls were checked, deficiencies identified, or corrective actions completed.
- Sampling is inconsistent or undocumented: Stormwater sampling requirements may be clear, but they are frequently missed because timing depends on weather, discharge conditions, staffing, and field awareness. Even when no discharge occurs, facilities often fail to document why sampling was not possible. From a regulator’s perspective, missing documentation can look the same as a missed requirement.
- Training does not translate to action: Annual training is usually generic and disconnected from site-specific stormwater risks. Employees may understand the concept of stormwater protection, but not how their daily work affects compliance. Loading, fueling, outdoor storage, vehicle movement, maintenance activities, and housekeeping decisions can all create risks if employees do not know what to look for or when to escalate an issue.
- Routine activities create unintended violations: One of the most overlooked risks is normal operations. Vehicle washing, outdoor material handling, rinsing equipment, moving drums, or storing materials outdoors can create violations if runoff leaves the site untreated or reaches a storm drain. Even potable water can become a compliance issue when it mobilizes pollutants or causes downstream environmental impacts.
Why do these gaps persist?
Stormwater programs fail because they sit between EHS policy and operational behavior. EHS may own the permit, but operations, maintenance, contractors, and frontline employees often perform the activities that affect compliance. Without shared expectations, small gaps become routine.
- Responsibility is often unclear when inspections, housekeeping, corrective actions, and sampling are split across teams.
- Operational changes, site work, or contractor activity can affect runoff before EHS is looped in.
- Programs rely heavily on organizational knowledge/memory rather than systems, making weather-dependent sampling, follow-up actions, and deadlines easier to miss.
The bigger risk
With US Environmental Protection Agency (EPA) and state agencies use data platforms to track compliance across regulated facilities, recurring gaps are easier to identify and escalate. Missed inspections, absent sampling records, incomplete corrective action logs, and benchmark exceedances can create a pattern of non-compliance, even without a major incident.
This visibility matters because stormwater violations are often documented through routine records. If the records are missing, inconsistent, or disconnected from site conditions, the facility may have little evidence that the program was being implemented as required.
What effective stormwater compliance looks like
- Embed inspections into operational workflows, with clear triggers for routine inspections, storm-event checks, corrective actions, and documentation.
- Assign ownership at the task level, not just the program level, so sampling, inspections, housekeeping, and follow-up actions are not dependent on assumptions. The EHS department may not be the best group to handle these tasks due to resourcing.
- Use real-world training tied directly to facility activities, including outdoor storage, loading areas, maintenance work, vehicle washing, spill response, and storm drain protection.
Stormwater compliance fails when small gaps are normalized, field conditions drift from permit expectations, and teams do not have the systems or ownership needed to keep the program current.
Need help identifying where your stormwater program may be at risk? Want to get ahead of the compliance issues covered in this series? Register for BSI's Annual Environmental Bootcamp for practical, real-world guidance from BSI’s environmental experts.
