WQ0001318_Final Permit_19890505

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State of North Carolina
Department of Natural Resources and Community Development
Division of Environmental Management
512 North Salisbury Street • Raleigh, North Carolina 27611
James G. Martin, Governor R. Paul Wilms
William W. Cobey, Jr., Secretary May 5, 1989 Director
Honorable Harold W. Bowen, Mayor
City of Lexington
28 W. Center Street
Lexington, North Carolina 27292
SUBJECT: City of Lexington
Permit No. WQ0001318
Sludge Compost Facilities
EPA Project No. C370617-03
Davidson County
Dear Mayor Bowen:
In accordance with your application received march 2, 1989, we are
forwarding herewith Permit No. WQ0001318 dated May 5, 1989 to the City
of Lexington for the construction and operation of the subject sludge
compost system,
This permit shall be effective from the date of issuance until
April 30, 1994,and shall be subject to the conditions and limitations
as specified therein.
If any parts, requirements, or limitations contained in this
permit are unacceptable to you, you have the right to an adjudicatory
hearing before a hearing officer upon written demand to the Director
within thirty (30) days following receipt of this permit, identifying
the specific issues to be contended. Unless such demand is made, this
permit shall be final and binding.
One (1) set- of final approved plans and specifications is to be
forwarded to you and one (1) set retained for the Environmental Pro-
tection Agency (EPA).
A copy of the approved plans and specifications shall be main-
tained on file by the Owner for the life of the project.
Upon completion of construction and prior to operation of this
permitted facility, a certification must be received from a Pro-
P.O. Box 27687, Raleigh, North Carolina 276€1-7687 Telephone [phone]
An Equal Opportunity Affirmative Action Employer

fessional Engineer certifying that the permitted facility ras been
installed in accordtrce with the approved plans and specifications.
Mail the Certification to the Permits and Engineering Unit, P. 0. Box
27687, Raleigh, North Carolina 27611--7687.
If there are any questions concerning this matter, please contact
Mr. Bill Hoffman at [phone].
Sincerely,
. Paul Wilms
BG:vk
cc: J. N. Pease Associates
Davidson County Health Departrent
Solid Waste Management Section - DHR
Winston-Salem Regional Office
Arthur Mouberry
Bennie Goetze, Jr.
Dan Evans
EPA /
Carolyn McCaskill ✓
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NORTH CAROLINA
ENVIRCPgUENTAL MANAGEMENT CC7M7SSION
DEPARTMENT OF NATURAL RESOURCES & COMHUNITY DEVELOPMENT
RP LE I GH
P E R M I T
For the Discharge of Sewage, Industrial Wastes, or Other Wastes
In accordance with the provisions of Article 21 of Chapter 143,
General Statutes of North Carolina as amended, and other applicable
Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
City of Lexington
FOR THE
construction and operation of a non -discharge type 2.2 dry ton per day
waste sludge composting facility consisting of a 1.5 meter belt filter
press for sludge dewatering with associated pumps and polymer feed
equipment; an aerated, agitated bed sludge compost system with associat-
ed loader, turner, blowers and appurtenances; a 24,700 square foot
building; and associated yard piping, electrical and site work; with no
discharge of waste sludge, or compost drainage to the surface waters of
the State, pursuant to the application received March 2, 1989, and in
conformity with the project plans, specifications and other supporting
data, subsequently filed and approved by the Department of Natural Re-
sources and Community Development and considered a part of this permit.
This Permit shall be effective from the date of issuance until.
April 30, 1994, and shall be subject to the following conditions and
limitations:
1. This Permit shall become voidable unless the facilities are
constructed in accordance with the approved plans, specifi-
cations and other supporting data.
2. This Permit is effective only with respect to the nature and
volume of wastes described in the application and other
supporting data.
3. The facilities shall be properly maintained and operated at
all times.

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4. The sewage sludge composted and disposed by this system shall
be adequately treated to the accepted Federal, State, and
local requirements prior to being released for public dis-
tribution.
5. This permit is not transferable.
6. This permit shall become voidable in the event of failure of
the sludge compost to adequately protect the assigned water
quality standards of the surface waters, and when properly
disposed of by the public.
7. In the event the compost facilities fail to perform satis-
factorily or cause objectionable odors, the City shall talcs
such immediate corrective action as may be required by this
Department, Including the construction of additional or re-
placement wastewater treatment or disposal facilities.
8. Diversion or bypassing of the untreated sludge or compost
drainage wastewater from the treatment facilities is
prohibited.
9. The sludge composting operation must be conducted under the
supervision of the certified wastewater treatment plant
operator required by the Certification Commission.
LC. The City of Lexington shall maintain records including, but
not limited to the following:
a. volume and analysis of sludge and compost
b. date, duration and temperature during composting
C. name of compost recipient, volume received, and intended
use
These records shall be available at the wastewater treatment
facility for inspection and review by the Division.
11. The City of Lexington shall present to each recipient of
compost written information that clearly states that compost
sludge cannot be used on areas where root or leaf crops for
direct human consumption are to be grown within one (1) year
of the last application of compost to the site. The City
shall also include written recommendations to the compost
recipients for satisfactory uses of material such as horti-
culture, silvicultural, and other agricultural uses not speci-
fically prohibited, etc.
12. An annual summary report shall be submitted by the City of
Lexington to the Division's Winston-Salem Regional Office
which summarizes the information required for recording.

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13. Adequate measures are to be incorporated into the project to
provide ventilation, moisture control and odor control to
insure the health and safety of plant operators and others in
the plant area.
14. The sludge compost heat and detention time must be adequate
to provide the level of pathogen kill necessary to insure a
safe, final product.
15. Adequate screening facilities must be provided to recycle the
bulking agent and produce a more uniform product.
16. Compost sludge should not be used in areas of intense public
use (school, playgrounds, etc.).
1.7. It is the permittee's responsibility to assure that the
program is carried out in accordance with the approved
documents and conditions of this Permit and as such the
permittee is directly responsible for any damages incurred.
Permit issued this the 5th day of May, 1989.
NORTH CAROLINA ENVIROtZiENTAL MANAGEMENT COMMISSION
R. Paul Wilms, Director
Division of Environmental. Management
By Authority of the. Environmental Management
Commission
Permit No. WQ0001318

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ENGINEER'S CERTIFICATION
I, , as a duly registered Professional
Engineer in the State of North Carolina, having been authorized to
observe (periodically/weekly/full time) the construction of the project,
, for the
(Prof ect) (Name or Location)
hereby state that, to the best of my
(Project Owner)
abilities, due care and diligence was used in the observation of the
project construction such that the construction was observed to be
built within substantial compliance and intent of the approved plans
and specifications.
Signature
Date
Permit No.
Registration No.