2. Stormwater Regulatory Framework
Clean Water Act, Section 402(p)
National
EPA Nation Pollution Discharge Elimination System (NPDES),
40 CFR 122
Unauthorized
Authorized States
States
State Laws & Regulations
(45 States and PR) EPA NPDES Permits
State by State
Texas Pollution Discharge (5 states, most territories and
Elimination System (TPDES) Indian country lands)
Permit
Cities,
Counties, etc
MS4s, Construction Sites, Industrial Activities
3. Stormwater Permit “Phases”
Phase I Permit
Medium & large MS4s (pop. >100,000)
Construction activity (ac > 5 acres)
Phase II Permit
Smaller MS4s in “Urbanized Areas” with pop. <100,000
(College Station)
Construction sites (1 ≤ ac < 5)
4. TPDES Phase II MS4 Permit TXR04000
1. Submit Notice of Intent (NOI) to (TCEQ)
5 year permit (2008 – 2012)
2. Develop stormwater management program (SWMP)
Reduce discharge of pollutants to maximum extent
practicable
Protect water quality
Satisfy other state and federal requirements
3. Recordkeeping and reporting
Submit five (5) annual progress reports to TCEQ
5. SWMP- Minimum Control Measures
1. Public Education & Outreach (10 BMPs)
2. Public Involvement & Participation (6 BMPs)
3. Illicit Discharge Detection and Elimination (12 BMPs)
4. Construction Site Runoff Control (7 BMPs)
5. Post-Construction Stormwater Management (5 BMPs)
6. Best Management Practices (12 BMPs)
MCM 1 Public Education & Outreach
BMP Measurable Goal Target Date
Develop a list of topics to be included in the Utility Bill Inserts. Year 1
1-1 Utility Bill Inserts Design and print utility bill inserts for each of the selected topics. Year 2
Distribute inserts in accordance with the utility bill distribution schedule Year 3
Develop a list of subjects for inclusion and discussion in storm water flyers. Year 1
1-2 Flyers Design and print flyers for each of the selected subjects Year 2
Post flyers at selected locations in accordance with the flyer posting schedule. Year 3
6. SWMP Achievements to Date
Public Education, Involvement & Participation
Distributed stormwater literature (UBIs)
Classroom presentations
Broadcast public service announcements (PSAs)
Published city stormwater quality website
Est. Brazos Basin Stormwater Education Committee
(BBSEC)
Est. www.brazoscleanwater.org
Creek Clean Up/Adopt-A-Street Volunteering
Storm drain stenciling
7. SWMP Achievements to Date Cont.
Illicit Discharge Detection & Elimination (IDDE)
Est. illicit discharge hotline
GIS mapping system of storm drain inlets/outfalls
Developed outfall screening procedures
Key personnel training
Municipal Best Management Practices
City landscaping and trimming
Regular fleet maintenance
City employee training
Identified city-owned industrial facilities
Construction/Post Construction
Inspector training
Draft stormwater ordinance
Sought input from construction community
Implement stormwater ordinance
8. Stormwater Ordinance – Ch 7
Provision in Health and Sanitation (General)
Stormwater Protection
Regulate contributions of pollutants to the MS4 by any
person or entity
Includes reasonable exceptions (i.e. agriculture, lawn
care, etc.)
Prohibit illicit discharges and illegal connections into
MS4
Control and Containment Requirements
Spill prevention, dumping or disposal in MS4
9. Stormwater Ordinance – Ch 12
Provision in Unified Development Ordinance
(Development)
Drainage & Stormwater Management
Prohibit stormwater discharge associated with
construction or industrial activity without TPDES
permit
Prevent operations of facilities discharging stormwater
with out NOI or Site Notice
Prevent entrance of sediment, concrete, construction
debris etc., into MS4 from construction activity
