Winter 2021-2022: NPDES Stormwater Industrial General Permit Compliance

Industrial General Permit (IGP) compliance drain inlet protection tools at work​.


Storm inlet wattle

Inlet wattle manages flow of run-off at industrial facilities.


Stormwater inlet filters

Drain inlet filters to manage stormwater runoff


sandbags retaining water flow

Sandbags are used to protect stormwater inlets.


Stormwater inlet protection

Alternative methods for protecting stormwater inlets.