MS4 Permit Compliance

Illicit Discharge Detection & Elimination

Comprehensive IDDE program development and implementation. Protect water quality through systematic detection, investigation, and elimination of illicit discharges to storm sewer systems.

Professional IDDE Services

Detect and eliminate non-stormwater discharges that can pollute waterways. Expert investigation, source tracking, and enforcement support for MS4 compliance.

Dry Weather Screening

Systematic outfall inspection and monitoring:

  • Outfall inventory and prioritization
  • Dry weather flow observations
  • Field screening for pollutants
  • Water quality parameter testing
  • Visual assessment protocols
  • Photo and GPS documentation

Source Investigation

Comprehensive discharge source tracking:

  • Upstream system investigation
  • Manhole inspection and sampling
  • Smoke testing programs
  • Dye testing procedures
  • Video camera inspection
  • Cross-connection identification

Water Quality Testing

Laboratory analysis and field testing:

  • Bacteria and pathogen testing
  • Chemical analysis (ammonia, surfactants)
  • Heavy metals screening
  • pH and conductivity monitoring
  • Temperature and dissolved oxygen
  • Optical brightener testing

Program Development

Complete IDDE program creation:

  • IDDE ordinance development
  • Storm sewer system mapping
  • Standard Operating Procedures (SOPs)
  • Public education campaigns
  • Reporting hotline implementation
  • Enforcement response procedures

Common Illicit Discharges

Detection and elimination of typical sources:

  • Sanitary sewer cross-connections
  • Failing septic systems
  • Improper RV waste disposal
  • Car wash and vehicle maintenance
  • Industrial process wastewater
  • Swimming pool and spa drainage

Enforcement & Removal

Regulatory enforcement and corrective action:

  • Notice of violation preparation
  • Enforcement action support
  • Corrective action oversight
  • Removal and cleanup services
  • Compliance verification
  • Legal documentation support

Need IDDE Program Support?

Protect water quality with professional illicit discharge detection. Free program assessment and outfall screening services.

Start IDDE Program Report Illicit Discharge