NC0043176_Annual Performance Report_20010824

CITY OF DUNN
ANNUAL PERFORMANCE REPORT
July 30, 2000 through June 30, 2001
Facility Name: Black River Wastewater Treatment Plant
City of Dunn Water Treatment Facility
Responsible Entity: City of Dunn
Person in ChargelContact: 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
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
water treatment. Sludge is thickened and held in a lagoon unti
conjunction with the biosolids from the wastewater plant.

Performance
Black River Wastewater Treatment Plant — The plant had two violations for the
reporting period of July 1999 through June 2000.
September 2000 — The treatment plant was out of compliance on pH on September
16th and 17th.
October 2000 — The treatment plant was out of compliance for pH from October 1
to October 6.
Corrections - Equipment has been installed to feed soda ashe to prevent pH
violations.
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
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 system and that those users have been notified of its
avail,. ility.
oseph T.lCampbell
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 2000.
• September 26, 2000 the East Side Pump Station overflowed by an estimate
160,900 gallons as a result of heavy rains on September 25 & 26, 2001. Samples
were taken of the wastewater to ascertain pollutant and the area was disinfected.
No animal life was affected.
• September 27, 2000 the Manhole Number BR-7 on the Black River Outfall near
the Wastewater Treatment Plant overflowed by an estimate 244,000 gallons as a
result of heavy rains on September 25 & 26. Samples were taken of the
wastewater to ascertain pollutant and the area was disinfected. No animal life was
affected.
• February 14, 2000 the East Side Pump Station overflowed by an estimate 429,000
as a result of heavy rains of February 11&12, 2000. Samples were taken of the
wastewater to ascertain pollutant and the area was disinfected. No animal life was
affected.
• January 31, 2000 the East Side Pump Station overflowed by an estimate 929,769
gallons as a result of the snowstorms of January 18-30, 2000. Samples were taken
of the wastewater to ascertain pollutant and the area was disinfected. No animal
life was affected.
• January 31, 2000 the Manhole Number BR-7 on the Black River Outfall located
near the Wastewater Treatment Plant overflowed by an estimate 393,000 gallons
as a result of the snowstorms of January 18-30, 2000. 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 2000-2001, the City of Dunn purchased a new sewer TV camera system to
locate problems. Also, a contractor was hired to inspect sewer lines and recommend
areas for rehab work to be done in fiscal year 2001-2002. $125,000 has been
budgeted for repairs to our sewer system. $185,000 has been budgeted to purchase a
new sewer jet/vacuum truck to perform routine preventative maintenance.
III. 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 has been 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, 2001