WQ0021828_Final Permit_20170811

1
Water Resources
ENVIRONMENTAL QUALITY
August 11, 2017
JOHN KIvmmmi — WWTP AND BIOSOLIDS RECYCLING MANAGER
ORANGE WATER AND SEWER AUTHORITY
400 JoNEs FERRY ROAD
CARRBORo, NORTH CAROLINA 27510
Dear Mr. Kiviniemi:
ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
S. JAY ZIMMERMAN
Director
Subject: Permit No. WQ0021828
OWASA DCAR
Distribution of
Class A Residuals
Orange County
In accordance with your permit renewal request received June 28, 2017, we are forwarding
herewith Permit No. WQ0021828 dated August 11, 2017, to the Orange Water and Sewer Authority for the
continued operation of the subject residuals management program. Please note that this renewed permit
shall become effective on February 1, 2018 (i.e., the day after the expiration date of the existing permit).
This permit shall be effective from February 1, 2018 until January 31, 2023, shall void Permit No.
WQ0021828 issued February 4, 2009, and shall be subject to the conditions and limitations as specified
therein. Please pay particular attention to the monitoring requirements listed in Attachment A for they may
differ from the previous permit issuance. Failure to establish an adequate system for collecting and
maintaining the required operational information shall result in future compliance problems.
Please note that the description of the components of the four -stage thermophilic/mesophilic
anaerobic digester contained in the February 4, 2009 permit have been removed since it is covered under
Permit No. NCO025241.
Please note the following permit conditions have been removed since the last permit issuance
dated February 4, 2009:
➢ Old Condition 11.6. — Boundary marking not applicable to Class A distribution.
➢ Old Condition 11.8. —Over-seeding and double -cropping restrictions not applicable to Class A
distribution.
➢ Old Condition II.10. —Compliance boundary not applicable to Class A distribution.
➢ Old Condition II.11. —Review boundary not applicable to Class A distribution.
➢ Old Condition 111.13.h. — pH requirement superseded by Condition I11.81.
T' Nothing Compares --.,
State of North Carolina J Environmental Quality i Water Resources I Water Quality Permitting I Non -Discharge Permitting
1617 Mail Service Center I Raleigh, North Carolina 27699-1617
919-807-6332

Mr. John Kiviniemi
August 11, 2017
Page 2 of 3
➢ Old Condition 111.14. — Landowner agreement requirement superseded by Condition III.9.
➢ Old Condition 11I.15. —Nutrient sources requirement superseded by Condition I11.9.
➢ Old Condition 1I1.16. —Notification requirement superseded by Condition 111.9.
➢ Old Condition 111.17, — Notification requirement superseded by Condition 111.9.
Please note the following permit conditions are new since the last permit issuance dated
February 4, 2009:
➢ Condition IIL4. — Similar to Old Condition 111.7., but now a copy of the Operations and
Maintenance Agreement also required on site. Note that "copy" includes electronic copy.
➢ Condition 111.8.k. — Residuals application to be at agronomic rate.
➢ Condition 111.9. — Notification requirements to third parties receiving residuals.
➢ Condition 11I.I2. — Residuals not to be distributed to third party known to not be abiding by
terms of permit.
➢ Condition IV.6. — Similar to Old Condition IV.7., but the list of items to be tracked differs.
➢ Condition VI.6. — Similar to Old Condition V1.6., but 60-day notification prior to revocation
or modification.
➢ Condition VI.7. — Expansion of facility not permitted without waiver if Permittee exhibits
behavior detrimental to environment.
In addition, the Permittee made comments and requested that certain changes be made to the draft
permit. Below is the Permittee's comments and the response:
1. Comment: II.7. setbacks — footnote 1 (defines cake as > 15%, where is this defined in
rule/statute?)
Response: It isn't defined in rule or statute. There is a qualitative difference between liquid
and cake residuals that is visible when the % solids gets to 15% or higher. That is the basis for
this in the permit.
2. Comment: 111.7. suitable vegetative cover paragraph is captured in II1.81.
Response: Agreed. Condition 111.7. has been removed. [Note: Numbering has been changed in
the comments below because of this.]
3. Comment: HI.7.h. after USDA no till program, request adding "or practice no till agriculture
and contains vegetative stubble". Most all farmers practice no till farming regardless of
whether they are part of an official USDA no till program.
Response: Change in Condition III.7.h. is made to "USDA, state or county" no -till program.

Mr. John Kiviniemi
August 11, 2017
Page 3 of 3
4. Comment: 111.8. presume this takes place of previous permit language regarding land owner
utilization agreements.
Response: This is correct. The Permittee can, however, continue to use a utilization agreement
if desired.
5. Comment: IH.9. request staging for upwards of 90 days (consistent with other permits issued
in NC)
Response: After discussion with the Raleigh Regional Office, it was decided this was too long
a period and the permit will remain as before.
Comment: Alternative language is proposed: If bulk residuals are to be applied, the residuals
may be staged uncovered at the application site for up to 30 days for biological residuals, and
60 days for non -biological residuals. Residuals must be spread or covered by the end of the
staging period; or the NCDEQ Regional Office may be contacted to obtain a variance. If an
alternate storage site is used, approval must be obtained from the Division.
Response: Agreed except that the variance must be in writing.
6. Comment: III.11. request changing "conditions of this permit" to "conditions of signed
utilization agreement".
Response: There is no mention of a utilization agreement in the existing draft permit and to
bring it up would be confusing and inconsistent. Therefore, the change has not been made.
7. Comment: VI.7. request alternate language — "The provisions of 15 A NCAC 2T.0120 shall
govern any request for expansion of the residuals program permitted herein."
Response: Agreed. There is no difference and your wording is terser.
If any parts, requirements or limitations contained in this permit are unacceptable, the Permittee
has the right to request an adjudicatory hearing upon written request within 30 days following receipt of
this permit. This request shall be in the form of a written petition, conforming to Chapter 150B of the North
Carolina General Statutes, and filed with the Office of Administrative Hearings at 6714 Mail Service
Center, Raleigh, NC 27699-6714. Unless such demands are made, this permit shall be final and binding.
If you need additional information concerning this permit, please contact Troy Doby at (919) 807-
6336 or [e-mail].
Sincerely,
Jay Zimmerman, P.G., Director
Division of Water Resources
cc: Orange County Health Department (Electronic Copy)
Raleigh Regional Office, Water Quality Regional Operations Section (Electronic Copy)
Digital Permit Archive (Electronic Copy)
Central Files

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NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENTAL QUALITY
RALEIGH
DISTRIBUTION OF CLASS A RESIDUALS PERMIT
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
Orange Water and Sewer Authority
Orange County
I,U].MNam10
continued operation of a residuals management program for Orange Water and Sewer Authority and
consisting of the distribution of Class A residuals generated by the approved facility listed in Attachment
A with no discharge of wastes to surface waters, pursuant to the application received June 28, 2017, and in
conformity with other supporting data subsequently filed and approved by the Department of
Environmental Quality and considered a part of this permit. The use and disposal of residuals are regulated
under Title 40 Code of Federal Regulations Part 503. This permit does not exempt the Permittee from
complying with the federal regulations.
This permit shall be effective from February 1, 2018 until January 31, 2023, shall void Permit No.
WQ0021828 issued February 4, 2009, and shall be subject to the following specified conditions and
limitations:
L SCHEDULES
No later than six months prior to the expiration of this permit, the Permittee shall request renewal of
this permit on official Division forms. Upon receipt of the request, the Division will review the
adequacy of the facilities described therein, and if warranted, will renew the permit for such period of
time and under such conditions and limitations as it may deem appropriate. Please note Rule 15A
NCAC 02T .0105(d) requires an updated site map to be submitted with the permit renewal application.
[15A NCAC 02T .0108(b)(2), 02T .0105(d), 02T .0109]
H. PERFORMANCE STANDARDS
1. The subject residuals management program shall be effectively maintained and operated at all times so
there is no discharge to surface waters, nor any contravention of groundwater or surface water
standards. In the event the facilities fail to perform satisfactorily, including the creation of prolonged
nuisance conditions due to improper operation and maintenance, the Permittee shall immediately cease
distribution of residuals, contact the Raleigh Regional Office supervisor, and take any immediate
corrective actions. [G.S. 143-215.11
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2. This permit shall not relieve the Permittee of responsibility for damages to groundwater or surface
water resulting from the operation of this residuals management program. [15A NCAC 02B .0200,
02L .0100]
3. Only residuals generated by the facility listed in Attachment A are approved for distribution in
accordance with this permit. [G.S. 143-215.1]
4. Pollutant concentrations in residuals distributed or applied to any land application site shall not exceed
the following Ceiling Concentrations or Monthly Average Concentrations (i.e,, dry weight basis):
Parameter
Ceiling Concentration
(milligrams per kilogram)
Monthly Average
Concentration
(milligrams per kilogram)
Arsenic
75
41
Cadmium
85
39
Copper
4,300
1,500
Lead
840
300
Mercury
57
17
Molybdenum
75
n/a
Nickel
420
420
Selenium
100
100
Zinc
7,500
2,800
[15A NCAC 02T. 1105]
5. Residuals that are distributed shall meet Class A pathogen reduction requirements in 15A NCAC 02T
.1106 (a) and (b). Exceptions to this requirement shall be specified in Attachment A. [15A NCAC 02T
.1106]
6. Biological residuals (i.e. residuals generated during the treatment of domestic or animal processing
wastewater, or the biological treatment of industrial wastewater, and as identified in Attachment A)
that are distributed shall meet one of the vector attraction reduction alternatives in 15A NCAC 02T
.1107(a). Exceptions to this requirement shall be specified in Attachment A. [15A NCAC 02T .1107]
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7. Setbacks for Class A land applied bulk residuals shall be as follows:
Setback Description
Setback by residual type
(feet)
Liquid
Cake'
Private or public water supply
100
100
Surface waters (streams — intermittent and perennial,
perennial waterbodies, and wetlands
100
25
Surface water diversions (ephemeral streams,
waterways, ditches)
25
0
Groundwater lowering ditches (where the bottom of
the ditch intersects the SHWT
25
0
Wells with exception to monitoring wells
100
100
Bedrock outcrops
25
0
' Unless otherwise noted in Attachment A, "cake" residuals are those that have greater than 15%
solids by weight and can be stacked without flowing, as well as can be handled, transported and
spread as a solid (e.g., using a backhoe, front end loader, slinger spreader, broadcast spreader or
other equipment designed for handling solid materials) without leaving any significant liquid
fraction behind.
[15A NCAC 02T .1108]
8. Bulk residuals and other sources of Plant Available Nitrogen (PAN) shall not be applied in exceedance
of agronomic rates. Appropriate agronomic rates shall be calculated using expected nitrogen
requirements based on the determined Realistic Yield Expectations (RYE) using any of the following
methods:
a. Division's pre -approved site specific historical data for specific crop or soil types by calculating
the mean of the best three yields of the last five consecutive crop harvests for each field.
b. North Carolina Historical Data for specific crop and soil types as provided by North Carolina State
University Department of Soil Science (http://nutrients.soil.ncsu.edu/yields/index.pho). A copy
shall be kept on file and reprinted every five years in accordance with Condition IV.6.
c. If the RYE cannot be determined using methods (a) or (b) above, the Permittee may use the RYE
and appropriate nutrient application rates reported in any of the following documents:
i. Crop management plan as outlined by the local Cooperative Extension Office, the North
Carolina Department of Agriculture and Consumer Services, the Natural Resource
Conservation Service, or other agronomist.
ii. Waste Utilization Plan as outlined by the Senate Bill 1217 Interagency Group - Guidance
Document: Chapter 1
(http://www.ncaU.gov/SWC/tech/documents/9th Guidance_Doc _100109.pdf).
iii. Certified Nutrient Management Plan as outlined by the Natural Resources Conservation
Services (MRCS). These plans must meet the USDA-NRCS 590 Nutrient Management
Standards(ftp://ftp-fe.se.egov.usda.gov/NHQ/­practice-standards/standards/590.pdf).
d. If the RYE and appropriate nutrient application rates cannot be determined, the Permittee shall
contact the Division to determine necessary action.
[ 15A NCAC 02T . 1109(b)(1)(k)]
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9. The Permittee shall not distribute Class A residuals that have a sodium adsorption ratio (SAR) of 10 or
higher without prior written Division approval. The Permittee may seek approval by demonstrating
that the entity accepting the residuals is: aware of the effects of a high SAR content; has agreed on
proper residual application rates; and has agreed to operational considerations to ensure that the high
SAR content will not adversely impact the receiving sites. Recommendations regarding sodium
application rate, soil amendments (e.g., gypsum, etc.) or a mechanism for maintaining site integrity and
conditions conducive to crop growth, can be obtained from the local Cooperative Extension Office, the
Department of Agriculture and Consumer Services, the Natural Resource Conservation Service, a North
Carolina Licensed. Soil Scientist, or an agronomist. [15A NCAC 02T .0108(b)(1)]
OPERATION AND MAINTENANCE REQUIREMENTS
The residuals management program shall be property maintained and operated at all times. The
program shall be effectively maintained and operated as a non -discharge system to prevent any
contravention of surface water or groundwater standards. [15A NCAC 02T .1110]
2. The Permittee shall maintain an approved Operation and Maintenance Plan (O&M Plan) Modifications
to the O&M Plan shall be approved by the Division prior to utilization of the new plan. The O&M Plan,
at the minimum, shall include:
a. Operational functions;
b. Maintenance schedules;
c. Safety measures;
d. Spill response plan;
e. Inspection plan including the following information:
i. Names and/or titles of personnel responsible for conducting the inspections;
ii. Frequency and location of inspections, including those to be conducted by the ORC, and
procedures to assure that the selected location(s) and inspection frequency are representative
of the residuals management program;
iii. Detailed description of inspection procedures including record keeping and actions to be taken
by the inspector in the event that noncompliance is observed pursuant to the noncompliance
notification requirements under the monitoring and reporting section of the permit;
f. Sampling and monitoring plan including the following information:
i. Names and/or titles of personnel responsible for conducting the sampling and monitoring;
ii. Detailed description of monitoring procedures including parameters to be monitored;
iii. Sampling frequency and procedures to assure that representative samples are being collected.
Fluctuation in temperature, flow, and other operating conditions can affect the quality of the
residuals gathered during a particular sampling event. The sampling plan shall account for any
foreseen fluctuations in residuals quality and indicate the most limiting times for residuals to
meet pathogen and vector attraction reduction requirements (e.g. facilities that distribute
multiple times per year but have an annual sampling frequency, may need to sample during
winter months when pathogen reduction is most likely to be negatively affected by cold
temperatures).
[15A NCAC 02T .1100]
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3. Upon the Water Pollution Control System Operators Certification Commission's (WPCSOCC)
classification of the facility, the Permittee shall designate and employ a certified operator in responsible
charge (ORC) and one or more certified operators as back-up ORCs in accordance with 15A NCAC
08G .0201. The ORC or his back-up shall visit the facilities in accordance with 15A NCAC 08G. 0204,
or as specified in the most recently approved O&M plan (i.e., see Condition 111.2.), and shall comply
with all other conditions of 15A NCAC 08G. 0204. For more information regarding classification and
designation requirements, please contact the Division of Water Resources' Protection and Enforcement
Branch at [phone]. At the time of this permit issuance, a certified ORC is not required for the
subject Distribution of Class A Residuals program. [15A NCAC 02T .0117]
4. When the Permittee land applies bulk residuals, a copy of this permit and a copy of O&M Plan shall be
maintained at the land application sites during land application activities. [15A NCAC 02T
.0108(b)(1)]
When the Permittee transports or land applies bulk residuals, the spill control provisions shall be
maintained in all residuals transport and application vehicles. [15A NCAC 02T .1110]
6. When the Permittee land applies bulk residuals, adequate measures shall be taken to prevent wind
erosion and surface runoff from conveying residuals from the land application sites onto adjacent
properties or into surface waters. [G.S. 143-215.1]
7. Bulk residuals shall not be land applied under the following conditions:
a. If the residuals are likely to adversely affect a threatened or endangered species listed under section
4 of the Endangered Species Act or its designated critical habitat;
b. If the application causes prolonged nuisance conditions;
c. If the land fails to assimilate the bulk residuals or the application causes the contravention of surface
water or groundwater standards;
d. If the land is flooded, frozen or snow-covered, or is otherwise in a condition such that runoff of the
residuals would occur;
e. Within the I00-year flood elevation, unless the bulk residuals are injected or incorporated within a
24-hour period following a residuals land application event;
f. During a measurable precipitation event (i.e., greater than 0.01 inch per hour), or within 24 hours
following a rainfall event of 0.5 inches or greater in a 24-hour period;
g. If the slope is greater than 10% for surface applied liquid residuals, or if the slope is greater than
18% for injected or incorporated bulk liquid residuals;
h. If the land does not have an established vegetative cover unless the residuals are incorporated or
injected within a 24-hour period following a residuals land application event. Any field that is in
a USDA, state or county no -till program shall be exempted from meeting this vegetative cover
requirement;
i. If the vertical separation between the seasonal high water table and the depth of residuals
application is less than one foot;
j. If the vertical separation of bedrock and the depth of residuals application is less than one foot;
k. Application exceeds agronomic rates.
[I5A NCAC 02T. 1109]
8. The Permittee shall notify all third -party entities receiving bulk distributed Class A residuals that land
application activities occurring on the third-party's property shall meet the requirements in 15A NCAC
02T .1108(b)(1) and 02T .1109(b) (i.e., Conditions 11.8. and 111.7., respectively). [I5A NCAC 02T
.1103(4)]
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9. All residuals shall be adequately stored to prevent untreated leachate runoff. The finished product may
be placed on a concrete pad, placed under shelter or physically covered until it is distributed to a third -
party entity. If bulk residuals are to be applied, the residuals may be staged at the application site
uncovered for up to 30 days for biological residuals, and 60 days for non -biological residuals. Residuals
must be spread or covered by the end of the staging period; or the NCDEQ Regional Office may be
contacted to obtain a variance in writing. If an alternate storage site is used, approval must be obtained
from the Division. [15A NCAC 02T .0108(b)(1)]
10. A label shall be affixed to the bag or other container in which residuals are sold or given away for land
application, or an information sheet shall be provided to the person who receives Class A residuals. At
a minimum, the label or information sheet shall contain the following:
a. The name and address of the person who prepared the residuals;
b. A statement that residual land application is prohibited except in accordance with the instructions
on the label or information sheet;
c. A statement identifying that this material shall be prevented from entering any public or private
water supply source (including wells) and any surface water (e.g., stream, lake, river, wetland, etc.);
d. A statement that the residuals shall be applied at agronomic rates and recommended rates for its
intended use.
[15A NCAC 02T .1109(a)]
11. The Permittee shall not distribute bulk residuals to any person or entity known to be applying residuals
contrary to the conditions of this permit. The Permittee shall report to the Raleigh Regional Office as
per reporting conditions under Condition IV.8. any person or entity known to be applying residuals
contrary to the condition of this permit. [15A NCAC 02T .1103(a)]
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IV. MONITORING AND REPORTING REQUIREMENTS
1. Any Division -required monitoring (including groundwater, plant tissue, soil and surface water
analyses) necessary to ensure groundwater and surface water protection shall be established, and an
acceptable sample reporting schedule shall be followed. [15A NCAC 02T ,0108(c)]
2. Residuals shall be analyzed to demonstrate they are non -hazardous under the Resource Conservation
and Recovery Act (RCRA). Residuals that tests or is classified as a hazardous or toxic waste under 40
CFR Part 261 shall not be used or disposed under this permit. The analyses [corrosivity, ignitability,
reactivity, and toxicity characteristic leaching procedure (TCLP)] shall be performed at the
frequency specified in Attachment A, and the Permittee shall maintain these results for a minimum of
five years. Any exceptions from the requirements in this condition shall be specified in Attachment A.
The TCLP analysis shall include the following parameters (the regulatory level in milligrams per liter
is in parentheses):
Arsenic (5.0)
1,4-Dichlorobenzene (7.5)
Nitrobenzene (2.0)
Barium (100.0)
1,2-Dichloroethane (0.5)
Pentachlorophenol (100.0)
Benzene (0.5)
1, 1 -Dichloroethylene (0.7)
Pyridine (5.0)
Cadmium (1.0)
2,4-Dinitrotoluene (0.13)
Selenium (1.0)
Carbon tetrachloride (0.5)
Endrin (0.02)
Silver (5.0)
Chlordane (0.03)
Hexachlorobenzene (0.13)
Tetrachloroethylene (0.7)
Chlorobenzene (100.0)
Heptachlor (and its hydroxide)
(0,008)
Toxaphene (0.5)
Chloroform (6.0)
Hexachloro-1,3-butadiene (0.5)
Trichloroethylene (0.5)
Chromium (5.0)
Hexachloroethane (3.0)
2,4,5-Trichlorophenol (400.0)
m-Cresol (200.0)
Lead (5.0)
2,4,6-Trichlorophenol (2.0)
o-Cresol (200.0)
Lindane (0.4)
2,4,5-TP (Silvex) (1.0)
p-Cresol (200.0)
Mercury (0.2)
Vinyl chloride (0.2)
Cresol (200.0)
Methoxychlor (10.0)
2,4-D (10.0)
Methyl ethyl ketone (200.0)
Once the residuals have been monitored for two years at the frequency specified in Attachment A, the
Permittee may submit a permit modification request to reduce the frequency of this monitoring
requirement. In no case shall the monitoring frequency be less than once per permit cycle.
[15A NCAC 13A .0102(b), 02T .1101, 02T .1105]
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3. An analysis shall be conducted on the residuals from each source generating facility at the frequency
specified in Attachment A, and the Permittee shall maintain the results for a minimum of five years.
The analysis shall include the following parameters:
Aluminum
Mercury
Potassium
Ammonia -Nitrogen
Molybdenum
Selenium
Arsenic
Nickel
Sodium
Cadmium
Nitrate -Nitrite Nitrogen
Sodium Adsorption Ratio
(SAR)
Calcium
Percent Total Solids
TKN
Copper
pH
Zinc
Lead
Phosphorus
Magnesium
Plant Available Nitrogen
(by calculation)
[15A NCAC 02T .1101]
4. Residuals shall be monitored for compliance with pathogen and vector attraction reduction
requirements at the frequency specified in Attachment A, and at the time indicated in the sampling and
monitoring sections of the approved O&M plan. The required data shall be specific to the stabilization
process utilized, and sufficient to demonstrate compliance with the Class A pathogen reduction
requirements in 15A NCAC 02T .1106 (a) and (b), and one vector attraction reduction requirement in
15A NCAC 02T .1107 (a) shall be met. Any exceptions from the requirements in this condition shall
be specified in Attachment A. [15A NCAC 02T .l 106, 02T .1107, 02T .1111(c)]
5. Laboratory parameter analyses shall be performed on the residuals as they are distributed, and shall be
in accordance with the monitoring requirements in 15A NCAC 02B .0505. [15A NCAC 02B .0505]
6. The Permittee shall maintain records tracking all bulk residual distribution or land application events
performed by the Permittee. At a minimum, these records shall include the following:
a. Source of residuals;
b. Date of distribution/land application;
c. Name and address of recipient of residuals;
d. Volume of residuals distributed to each recipient;
e. Intended use of residuals;
f. If land application events performed by the Permittee - Nitrogen Application Rate based on RYES
(if using data obtained from the North Carolina State University Department of Soil Science
Website, the printout page shall be kept on file and reprinted every five years).
[15A NCAC 02T. 0 109(a)]
Three copies of an annual report shall be submitted on or before March Ist. The annual report shall
meet the requirements described in the Instructions for Residuals Application Annual Reporting Forms.
Instructions for reporting and annual report forms are available at
b-tp:Hdeg.nc.gov/about/divisions/water-resources/water-resources- ermits/wastewater-branch/non
dischar e- ermittin-unit/re ort.in -forms, or can be obtained by contacting the Non -Discharge
Permitting Unit directly. The annual report shall be submitted to the following address:
Division of Water Resources
Information Processing Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
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[ 15A NCAC 02T . I l I I (a)]
8. Noncompliance Notification
The Permittee shall report by telephone to the Raleigh Regional Office, telephone number (919) 791-
4200, as soon as possible, but in no case more than 24 hours or on the next working day following the
occurrence or first knowledge of the occurrence of any of the following:
a. Distribution of residuals abnormal in quantity or characteristic.
b. Any failure of the distribution program resulting in a release of material to surface waters.
c. Any time self -monitoring indicates the facility has gone out of compliance with its permit
limitations.
d. Any process unit failure, due to known or unknown reasons, rendering the facility incapable of
adequate residual treatment.
e. Any spill or discharge from a vehicle or piping system during residuals transportation.
Any emergency requiring immediate reporting (e.g., discharges to surface waters, imminent failure of
a storage structure, etc.) outside normal business hours shall be reported to the Division's Emergency
Response personnel at telephone number [phone], [phone], or [phone].Persons
reporting such occurrences by telephone shall also file a written report in letter form within five days
following first knowledge of the occurrence. This report shall outline the actions taken or proposed to
betaken to ensure that the problem does not recur. [15A NCAC 02T .0105(l), 02T .0108(b)(1)]
V. INSPECTIONS
1. The Permittee shall provide adequate inspection and maintenance to ensure proper operation of the
subject facilities and shall be in accordance with the approved O&M Plan. [15A NCAC 02T .0108(b)]
2. Prior to each bulk residuals distribution event, the Permittee or his designee shall inspect the residuals
storage, transport and distribution facilities to identify malfunctions, facility deterioration and operator
errors that could result in discharges to the environment, a threat to human health or a public nuisance.
The Permittee shall maintain an inspection log that includes, at a minimum, the date and time of
inspection, observations made, and any maintenance, repairs, or corrective actions taken. The Permittee
shall maintain this inspection log for a period of five years from the date of inspection, and this log
shall be made available to the Division upon request. [15A NCAC 02T .0108(b)]
3. Any duly authorized Division representative may, upon presentation of credentials, enter and inspect
any property, premises or place on or related to the distribution sites or facilities permitted herein at
any reasonable time for the purpose of determining compliance with this permit; may inspect or copy
any records required to be maintained under the terms and conditions of this permit; and may collect
groundwater, surface water or leachate samples. [G.S. 143-215.3(a)(2)]
VI. GENERAL CONDITIONS
1. Failure to comply with the conditions and limitations contained herein may subject the Permittee to an
enforcement action by the Division in accordance with North Carolina General Statutes 143-215.6A to
143-215.6C. [G.S. 143-215.6A to 143-215.6C]
2. This permit shall become voidable if the residuals distribution events are not carried out in accordance
with the conditions of this permit. [15A NCAC 02T .0110]
3. This permit is effective only with respect to the nature and volume of residuals described in the permit
application and other supporting documentation. [G.S. 143-215.11
WQ0021828 Version 3.0 Shell Version 170401 Page 9 of 10

4. The issuance of this permit does not exempt the Permittee from complying with any and all statutes,
rules, regulations, or ordinances, which may be imposed by other jurisdictional government agencies
(e.g., local, state, and federal). Of particular concern to the Division are applicable river buffer rules in
15A NCAC 02B .0200; erosion and sedimentation control requirements in 15A NCAC Chapter 4 and
under the Division's General Permit NCG010000; any requirements pertaining to wetlands under I5A
NCAC 02B .0200 and 0211 .0500; and documentation of compliance with Article 21 Part 6 of Chapter
143 of the General Statutes. [ 15A NCAC. 02T .0105(c)(6)]
In the event the residuals program changes ownership or the Permittee changes his name, a formal
permit modification request shall be submitted to the Division. This request shall be made on official
Division forms, and shall include appropriate documentation from the parties involved and other
supporting documentation as necessary. The Permittee of record shall remain fully responsible for
maintaining and operating the residuals program permitted herein until a permit is issued to the new
owner. [15A NCAC 02T .0104]
6. This permit is subject to revocation or unilateral modification upon 60-day notice from the Division
Director, in whole or part for the requirements listed in 15A NCAC 02T .0110. [ 15A NCAC 02T .0110]
7. The provisions of 15A NCAC 2T.0120 shall govern any request for expansion of the residuals program
permitted herein. [15A NCAC 02T .0120]
8. The Permittee shall pay the annual fee within 30 days after being billed by the Division. Failure to pay
the annual fee accordingly shall be cause for the Division to revoke this permit. [15A NCAC 02T
.0105(e)(3)]
Permit issued this the I I' day of August 2017
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
Jay Zimmerman, P.G., Director
Division of Water Resources
By Authority of the Environmental Management Commission
Permit Number WQ0021828
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ATTACHMENT A — Approved Residual Sources
Orange Water and Sewer Authority
Certification Date: August 11, 2017
Permit Number: WQ0021828 Version: 3.0
Permit
Biological
Maximum
Monitoring
Frequency for
Monitoring
Frequency for
Monitoring
Frequency for
Approved
Owner
facility Name
County
Number
Residuals
D Tons
Non -hazardous
Metals and
Pathogen &
Mineralization
Per Year I
Characteristics 2
Nutrients 3,5
Vector Attraction
Rate
Reductions 4,5
Orange Water and Sewer
Mason Farm Wastewater
Authority
Treatment Plant
Orange
NCO025241
Yes
2,100
Annually
See Table Below
See Table Below
0.2
Total
2,100
1. Maximum Dry Tons per Year is the amount of residuals approved for distribution from each permitted facility.
2. Analyses to demonstrate that residuals are non -hazardous (i.e., TCLP, ignitability, reactivity, and corrosivity) as stipulated under permit Condition IV.2.
3. Testing of metals and nutrients as stipulated under permit Condition IV.3.
4. Analyses of pathogen and vector attraction reductions as stipulated under permit Condition IVA.
5. Monitoring frequencies are based on the actual dry tons applied per year using the table below, unless specified above.
Dry Tons Distributed
short tons per ear
Monitoring Frequency
Established in 40 CFR 503 and 15A NCAC 02T .1111
<319
I /Year
=>319 - <1,650
1/ Quarter 4 times per ear
=>1,650 - <16,500
1/60 Da Xs (6 times per ear
=>16,500
1/month 12 times per ear
If no distribution events occur during a required sampling period (e.g. no distribution occur during an entire year when annual monitoring is required), then no sampling data is required
during the period of inactivity. The annual report shall include an explanation for missing sampling data. Those required to submit the annual report to EPA may be required to make up
the missed sampling, contact the EPA for additional information and clarification.
WQ0021828 Version 3.0 Attachment A Page 1 of 1