1. City Council
July 21st, 2012

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