21797 SWEPCO Plant Road 

Gentry, AR 72734 

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660

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Dallas, TX 75266 

This permit is your authority to modifY the wastewater treatment system in accordance with the permit 

application and plans and specifications which were received on 4115/2013 under authority of the 

Arkansas Water and Air Pollution Control Act (Arkansas Code Annotated §8-4-101 et seq. and Arkansas 

Code Annotated §8-4-20 1 et seq.) and the following terms and conditions. 

1. The treatment system shall be modified in accordance with the final plans and specifications as 

approved by the Arkansas Department of Environmental Quality (ADEQ). In case any statement or 

representation in the aforementioned documents is found to be incorrect, this approval may be 

revoked. 

2. Within thirty (30) days of completion of construction, a Professional Engineer (PE) registered in 

Arkansas shall submit written certification to the Department (Permits Branch of the Water Division) 

that the facility has been constructed or modified in accordance with the approved plans and 

specifications. 

3. This permit is issued in reliance upon the statements and representations made in the application and 

the plans and specifications. Issuance of a State Construction Permit does not guarantee satisfactory 

operation of the treatment system. The permittee shall ensure that water quality standards are not 

violated. Any modifications to the treatment facility necessary to meet water quality standards are the 

responsibility of the permittee and would require a modification to this State Construction Permit. 

4. A State Construction Permit for a modification of an existing wastewater treatment facility does not 

constitute an NPDES permit. Issuance of a State Construction Permit for construction or 

modification of a treatment system in no way guarantees or assumes that an application for an 

NPDES permit to operate the system will be approved or an NPDES permit will be issued. 

5. A complete "Operations and Maintenance (O&M) Manual" of the wastewater treatment system shall 

be developed by the engineering consultant for the operator's use before the plant is in operation. 

6. If the construction site will disturb in excess of one ( 1) acre, the permittee must comply with the 

terms of the Storm water Construction General Penn it Number ARR 150000 prior to the stmi of 

construction. Best Management Practices (BMPs) must be in place regardless of the size. 

7. This facility is located as follows: Latitude: 36° 15' 24.703" Longitude: 94° 31' 59.407; 

approximately 3 miles southwest of Gentry in Benton County, Arkansas. 
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ates: 

Outfall 001: Latitude: 36° 14' 0.366"; Longitude: 94° 33' 05.944" 

Outfall 10 I: Latitude: 36° 14' 59.38"; Longitude: 94° 31' 34.90" 

Outfall401: Latitude: 36° 15' 29.17"; Longitude: 94°31' 33.80" 

9. The construction will include the landfill leachate treatment system consisting of feed tank, and three 

(3) bioreactors (ABMet system) followed by the effluent storage tank. Additionally, backwash waste 

tank, sulfuric acid storage tank, leachate pump station, and other equipment needed to operate and 

control the leachate treatment system will be constructed/installed. The previously approved 

components of the landfill leachate treatment system include the leachate storage pond with a total 

volume of 38,750 cubic feet and the contact stormwater pond with a total volume of 388,800 cubic 

feet (the previously issued construction permit effective 111/2013 erroneously listed volume of 

contact stormwater pond as 38,740 cubic feet). The proposed construction also includes a 15,000 

gallon settling tank used in the landfill truck wash system. 

Effective Date: October 1, 20 I 3 

Deputy Director 

Arkansas Department of Environmental Quality 
5301 Northshore Drive 

North Little Rock, Arkansas 72118 

The applicant is: 

Southwestern Electric Power Company 

Flint Creek Power Plant 

21797 SWEPCO Plant Road 

Gentry, AR 72734 

1. BASIS FOR PERMIT AND CONDITIONS 

This permit is your authority to modifY the wastewater treatment system in accordance with the 

permit application and plans and specifications which were received on 4115/2013. The issuance of 

the permit and conditions are based on the Arkansas Water and Air Pollution Control Act (Arkansas 

Code Annotated §8-4-101 et seq. and Arkansas Code Annotated §8-4-101 et seq.), Arkansas Pollution 

Control and Ecology Commission (APCEC) Regulation No. 6.202, NPDES Discharge permit 

AR0037842C, and 40 CFR 122.26. 

Specific permit conditions and their sources are listed as follows: 

Conditions 1, 2, 3, 4, 5, 7, and 8 are self-explanatory. Condition6 is based on 40 CFR 122.26(b)(l5). 

Condition 9 is based on submitted application and Plans and Specifications. 

2. SOURCES 

1. Application Form I and Plans and Specifications dated 4/15/2013. 

2. APC&EC Reg. 6, Reg. 8, and Reg. 9 

3. Construction Permit AR0037842C effective 1/1/2013 

4. A.C.A. §8-4-217(b )(I )(C) 

5. 40 CFR 122.26 

3. CONTACTPERSON 

The ADEQ contact person for submitting written comments, requesting information, or obtaining 

copies of the application, permit, and the Statement of Basis is: 

Mmysia Jastrzebski, P.E. 

NPDES Branch, Water Division 

Arkansas Depattment of Environmental Quality 

530 I Northshore Drive 

Notth Little Rock, Arkansas 72118-5317 

(87)446-5939