### GOVERNMENT OF THE DISTRICT OF COLUMBIA District Department of the Environment Natura l Resource Administration Water Quality Division January 13 , 2014 Mr. Brian P. Trulear, Acting Chief NP DES Permits Branch (3WP41) Office of Permits and Enforcement U.S. EPA, Region III 1650 Arch Street Philadelphia, PA 19103-2029 

# ***

Re.: 

### District of Columbia Water Quality Certification # 

### DC-13-020 Draft National Poll utant Discharge Elimination System (NPDES) Multi-Sector General Permit for Stormwater Discharges Associated with Industrial Activity (MSGP) Dear Mr. Trulear: The District Depattment ofthe En vironm ent (DDOE) , Water Quality Division (WQD) has evaluated the draft National Pollutant Discharge Elimination System (NPDES) Mu lti -Sector General Permit for Stormwater Discharge s Associated with Indu strial Activity (MSGP) published in the Federal Register b y t h e U.S. Environmental Protection Agency (EPA) on September 27,2 013. DDOE hereb y certifie s that the draft NPDES MSGP w ill n ot vio l ate t he Water Pollution Contro l Act of 19 84, as amended , D.C. Official Code§ 8- 10 3.0 1 et seq . ; wi ll meet the Water Quality Standards of the Di s trict of Co lumbi a in Title 2 1 of the District of Co lumbia Municipal Regulations (DCMR) , C h apter 11 ; and the Water Quality Monitoring Regulation s in DCMR, Chapter 19; and wi ll comp ly with the applicab le provi s ion s of Sections 208(e), 30 1 ,3 02, 303, 306 , and 307 of the C l ean Water Act 33 U.S . C. §§ 1311 , 131 2, 1313, 1316 , and 13 1 7, pro v ided the conditions li s ted below are included in the permit: 1. 

### Comp liance with District of Co lumbi a Laws and Regulations. Discharge s covered by the MSGP mu s t comply w ith the Di strict of Co lumbia Water Pollution Conh·ol Act of 1984, as amended , D.C . Official Code§ 8-103.01 et seq.; and its implementing regulations in Title 2 1 , C h apters 11 and 19 of the Di shi c t of Co lumbia Mun ic ipal Regulations. Nothing in thi s pennit wi ll be conshued to preclude the in stitution of any legal action or relieve the pennittee from any re spo n s ibilitie s , li abilitie s, or penalties estab li s hed pursuant to Di s trict of Columbia laws and regulation s .

•I ST RICT

# .,_~greenfonvard 

# * *: *

---------------------------------------------------

# ~ - •EPARTMENT •FTHE NV I RONMENT 1 200 Firs t S t . NE , 5 ' 11 Floor, Wa s hin g to n , D C 2000 21 t e l : 202 . 535 . 2600 

### I web: ddoc . dc.gov

### 2. Submission of Stormwater Pollution Prevention Plan (SWPPP). The Stormwater Pollution Preven tion Plan (SWPPP) shall be submitted to the Di strict Department of the Environment (DDOE) at the same time the Notice of Intent (NOI) is submitted to EPA. 

### 3. Submission of No Exposure Certification and Notice of Termination (NOT). Copies of the No Exposure Cer1ification and Notice ofTermination (NOT) shall be submitted to DDOE at the same time they are submitted to EPA. 

### 4. Authorization to Inspect. The permittee shall allow DDO E to in spect any facility, equipment, practices , or operations regulated or required under this pem1it and to access records maintained under the conditions of this permit. 

### 5. Submission of Reports. Signed copies of all reports required under this permit including the reporting requirement s of Appendix B.12 shall be s ubmitted to DDOE at the same time they are submitted to EPA. 

### 6. Where to Submit Information. All required or requested documents shall be sent to the: Attention: Associate Director, Water Quality Di visio n , Natu ral Resource s Administration, District Department of th e Environment, 1200 First Street, NE, 5 111 Floor, Washington, D.C. 20 002 . This water quality certification will automaticall y become final once the pennit i s is s ued. If we can be of fm1her assistance, please contact Dr. Adion Chinkuyu at (202) 535-2 193. Sincerely,

Co llin R. Bun·ell A ssoc iate Director

Page 2 of2