NC0043176_Annual Performance Report_20020829

CITY OF DUNN
AN NUALPERFORMANCEREPORT
July 30, 2001 through June 30, 2002
Facility Name: Black River Wastewater Treatment Plant
City of Dunn Water Treatment Facility
Responsible Entity: City of Dunn
Person in Charge/Contact: Joseph T. Campbell, Public Utilities Director
Phone Number: (910) 897 — 5129
Applicable Permits:
1. Black River Wastewater Treatment Plant
Permit Number - NC0043176
2. Black River Wastewater Treatment Plant Land Application
Permit Number - WQ0006101
3. Dunn Water Treatment Facility
Permit Number — NC0078955
Treatment Process
DER - WATER QUALITY
POINT SOURCE BRANCH
Black River Wastewater Treatment Plant - The Black River Wastewater Treatment
Plant treats primarily domestic sewage. The treatment process utilized. is the
extended aeration activated sludge process including preliminary, secondary
clarification and air flotation sludge thickening with support process and land
application of biosolids
Potable Water Plant — The water plant treats alum sludge which is a by product of
water treatment. Sludge is thickened and held in a lagoon until it is land applied in
conjunction with the biosolids from the wastewater plant.
IAPR 15 2003

Performance
Black River Wastewater Treatment Plant — The plant had one non-compliance
issue for the reporting period of July 2001 through June 2002.
February 2002 - The treatment plant failed to meet the 85% removal for total
suspended solids for the month of February due to equipment failure. The actual.
removal rate was 83%. Repairs were promptly made. The plant did not exceed
weekly or monthly averages as per the NPDES Discharge Permit.
Dunn Water Treatment Plant _"The water treatment plant had no violations in the
reporting period.
Collection System - See attached Annual Report for the Collection System.
Notification
Notification to the public was made through advertisement in the legal section of the
local newspaper and entered on the city cable channel.
CERTIFICATION
I certify under penalty of law that this report is complete and accurate to the best of
my knowledge. I further certify that this report has been made available to the users
or customers of the named systemand that those users have been notified of its
availability.
�1
Joseph T. Campbell
Public Utilities Director
City of Dunn
Date

Performance Annual Report
I. General Information
Facility: City of Dunn Public Works
Responsible Entity: City of Dunn
Contact Person; Ronald D. Autry
Phone: [phone]
Applicable Permit: NPDES#NC0043176
Description of Collection System:
The City of Dunn has approximately 75 miles of sanitary sewer lines that are gravity or
serviced by force mains to the wastewater treatment plant.
II. Performance
Summary of System Performance for Calendar Year 2001.
• July 27, 2001 the Eastside Pump Station overflowed by an estimate 31,000
gallons as a result of heavy rains on July 27, 2001: Samples were taken of the
wastewater to ascertain pollutant and the area was disinfected. No animal life was
affected.
• August 12, 2001 the Manhole Number BR-7 on the Black River Outfall near the
Wastewater Treatment Plant overflowed by an estimate 162,000 gallons as a
result of the 3" of heavy rain on August 11, 2001. Samples were taken of the
wastewater to ascertain pollutant and the area was disinfected. No animal life was
affected.
• August 12, 2001 the Eastside Pump .Station overflowed by an estimate 107,000
gallons as a result of the 3" of heavy rain on August 11, 2001. Samples were
taken of the wastewater to ascertain pollutant and the area was disinfected. No
animal life was affected.
• August 20, 2001 the Eastside Pump Station overflowed by an estimate 67,500
gallons as a result of the heavy rains on August 20, 2001. Samples were taken of
the wastewater to ascertain pollutant and the area was disinfected. No animal life
was affected.

II. Performance (Continued)
• January 23, 2002 the Eastside Pump Station overflowed by an estimate 23, 760
gallons as a result of the heavy rains on January 23, 2002. Samples were taken of
the wastewater to ascertain pollutant and the area was disinfected. No animal life
was affected.
• January 23, 2002 the Manhole Number BR-7 on the Black River Outfall near the
Wastewater Treatment Plant overflowed by an estimate of 14,700 as a result of
the heavy rains of January 23, 2002. Samples were taken of the wastewater to
ascertain pollutant and the area was disinfected. No animal life was affected.
• April 1, 2002 the Eastside Pump Station overflowed by an estimate of 3000
gallons as a result of the heavy rains on March 30 & 31, 2002. Samples were
taken of the wastewater to ascertain pollutant and the area was disinfected. No
animal life was affected.
• April 1, 2002 the Manhole Number BR-8 on the Black River Outfall near the
Wastewater Treatment Plant overflowed by an estimate 54,000 gallons as a result
of the heavy rains on March 30&31, 2002. Samples were taken of the wastewater
to ascertain pollutant and the area was disinfected. No animal life was affected.
Inflow and Infiltration work is continuing in the City of Dunn. During the fiscal year
2001-2002, the City of Duran has begun a detailed sewer system infiltration/inflow
analysis and development of a long term sewer system rehabilitation program by our
consulting engineers. The City of Dunn has TV'd approximately 13, 190 feet of
sewer line, smoke tested approximately 20,000 feet of sewer line and built a manhole
inspection data base that contains 483 manhole profiles. This information will allow
us to prioritize the areas that sewer lines will be replaced during fiscal year '02-'03.
The City of Dunn's new Jet -Vac truck was delivered in June 2002.
HI Notification
This report is a matter of public record and will be filed in the City of Dunn, N.C.
Administration Offices and made available to users or customers of the system.
Additionally, this report will be published in the Dunn Daily Record.

IV. Certification
I certify under penalty of law that this report is complete and accurate to the best of my
knowledge. I further certify that this report hasbeen made available to the users of the
named system and that those users have been notified of its availability.
Signature:
Ronald D. Autry
Public Works Director
City of Dunn
August 27, 2002