MS4 Information
Quick Reference Links
| MCM 1 Public Education and Outreach | https://www.epa.gov/sites/production/files/2015-11/documents/fact2-3.pdf |
| MCM 3 illicit Discharge Detection and Elimination | https://www.epa.gov/sites/production/files/2015-11/documents/fact2-5.pdf |
| MCM 4 Construction Site Runoff Control | https://www.epa.gov/sites/production/files/2015-11/documents/fact2-6.pdf |
| Low Impact Development | https://www.epa.gov/sites/production/files/2015-11/documents/municipal_l... |
| The Practice of Low Impact Development | https://www.epa.gov/sites/production/files/2015-11/documents/practlowimp... |
| Illicit Discharge Detection and Elimination Manual | https://www.epa.gov/sites/production/files/2015-11/documents/idde_manual... |
MS4 Acronyms
| BMP | Best Management Practices | BOD5 | 5-Day Biological Oxygen Demand |
| CAST | Chesapeake Assessment Scenario Tool | CCD | County Conservation District |
| CFR | Code of Federal Regulations | COD | Chemical Oxygen Demand |
| CSL | Clean Streams Law | CWA | Clean Water Act |
| DEP | Department of Environmental Protection | E&S | Erosion and Sediment |
| EPA | Environmental Protection Agency | EV | Exceptional Value |
| FEMA | Federal Emergency Management Agency | FWPCA | Federal Water Pollution Control Act |
| GIS | Geographic Information System | HQ | High Quality |
| IA | Impervious Area | IDDE | Illicit Discharge Detection and Elimination |
| LID | Low Impact Development | MCM | Minimum Control Measure |
| MS4 | Municipal Separate Storm Sewer System | NPDES | National Pollutant Discharge Elimination System |
| O&M | Operation and Maintenance | PCB | Polychlorinated Biphenyl |
| PCM | Pollutant Control Measure | PCSM | Post-Construction Stormwater Management |
| PEOP | Public Education and Outreach Program | PIPP | Public Involvement and Participation Program |
| PRP | Pollution Reduction Plan | SWM | Stormwater Management |
| SWMP | Stormwater Management Program | TDS | Total Dissolved Solids |
| TMDL | Total Daily Maximum Load | TN | Total Nitrogen |
| TP | Total Phosphorous | TRC | Total Residual Chlorine |
| TSS | Total Suspended Solids | UA | Urbanized Area |
| WIP | Watershed Implementation Plan | WLA | Wasteload Allocation |
| WQM | Water Quality Management | WQ | Water Quality |