NC0025496_Staff Report 2015_20150601

SOC Priority Project: No
To: Complex Permitting Unit
Attention: Teresa Rodriquez Date: June 1, 2015
NPDES STAFF REPORT AND RECOMMENDATIONS
County: Lincoln
NPDES Permit No.: NC0025496
PART I - GENERAL INFORMATION
1. Facility and Address: Lincolnton WWTP Physical Location
City of Lincolnton 550 Hwy. 150 Bypass West
PO Box 617 Lincolnton,NC 28092
Lincolnton,N.C. 28093 RECEIVEDIDENRIDWR
2. Date of Investigation: May 20,2015 SUN 0 8 2015
3. Report Prepared By: Wes Bell, Environmental Specialist water Qu,11,11
Permitting
4. Person Contacted and Telephone Number: Donald Burkey/WWTP Superintendent/ORC,
[phone]
5. Directions to Site: From the junction of NC Hwy. 150 W and NC Hwy. 27 (east of
Lincolnton),travel approximately 5 miles on NC Hwy. 150 W and the WWTP entrance will
on the right prior to the bridge over the South Fork Catawba River.
6. Discharge Point(s), List for all discharge Point:
Outfall 001(Google Earth)
Latitude: 35°27' 02"
Longitude: 81° 15' 39"
See USGS Map included with the renewal application for specific location of the outfall.
USGS Quad No.: F 13 NE
7. Receiving Stream or Affected Surface Waters: South Fork Catawba River
a. Classification: WS-IV
b. River Basin and Subbasin No.: Catawba 03-08-35
PART II -DESCRIPTION OF DISCHARGE AND TREATMENT WORKS
1. a. Volume of wastewater and description of wastewater source(s) of each outfall:

Page Two
Outfall 001 —6.0 MGD—domestic and industrial (7 SIUs with 3 being CIUs). The WWT
facilities consist of the following: influent pump station; mechanical screening with manual
bypass; grit removal; oxidation ditch; four aeration basins;two secondary clarifiers; dual
chlorine contact chambers; four anaerobic digesters,two sludge holding tanks, liquid
chlorination and dechlorination systems, instrumented flow measurement, DAF, drying beds
(emergency storage only); and standby power.
b. Pretreatment Program: Approved.
PART III -OTHER PERTINENT INFORMATION
1. Special monitoring or limitations (including toxicity)requests: None Requested.
PART IV-EVALUATION AND RECOMMENDATIONS
The WWTP appeared to be properly operated and well maintained at the time of the
inspection. The manual bar screen had been placed into service due to the mechanical screen being
down for needed repairs. The effluent appeared a pinkish tea color at the time of the inspection.
It is recommended that the subject Permit be renewed following review by the Division's
Complex Permitting Staff.
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Signature of eport Preparer Date
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Water Quality Regional Supervisor Dat