For sites not eligible under general permits, we prepare individualized applications with supporting analyses, BMP design, and public notice support.
Scope & Deliverables
- Applicability analysis & alternatives evaluation
- BMP selection, sizing, and plan sheets (with O&M)
- Hydrologic/hydraulic exhibits & drainage mapping
- Public notice package & comment responses
- Receiving water review (303(d)/TMDL) and antidegradation notes
- Post-construction O&M and long-term BMP inspection templates
Typical Inputs
- Drainage areas, soils, CNs, time of concentration
- Rainfall depths (Atlas 14) & design storms
- Receiving water classification & impairments
- Construction phasing & stabilization details
Submission support: coordinator contacts, public notice timing, and comment response log.
Online tools
Compliance Logs Online Tools (mention):
- Drainage Calculator: quick CN runoff & storage checks
- BMP Sizing Helper: pre-configures submittal tables
- Public Notice Packager: auto-generates notice/ad affidavit list