WQ0008349_Final Permit_19940412

State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
April 12, 1994
Mr. Larry Olewine
Town of Newport
Post Office Box 98
Newport, North Carolina 28570
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ID F= FR
Subject: Permit No. WQ0008349
Town of Newport
Land Application of Wastewater Residuals
Carteret County
Dear Mr. Olewine:
In accordance with your application received on August 18, 1993, we are forwarding herewith
Permit No, WQ0008349, dated April 12, 1994, to the Town of Newport for the operation of a wastewater
residuals land application program.
This permit shall be effective from the date of issuance until March 31, 1999, and shall be subject
to the conditions and limitations as specified therein. Please pay particular attention to the monitoring and
reporting requirements contained in this permit. Failure to establish an adequate system for collecting and
maintaining the required operational information will result in future compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the
right to request an adjudicatory hearing upon written request within thirty (30) days following receipt of
this permit. This request must be in the form of a written petition, conforming to Chapter 150B of North
Carolina General Statutes, and filed with the Office of Administrative Hearings, P.O. Drawer 27447,
Raleigh, NC 27611-7447. Unless such demands are made this permit shall be final and binding.
If you need additional information concerning this matter, please contact Ms. Angela Y. Griffin at
[phone].
Sincerely,
A. Presto Howard, Jr., P.E.
cc: Carteret County Health Department
Biogro Systems
Wilmington Regional Office, Water Quality Section
Wilmington Regional Office, Groundwater Section
Jack Floyd, Groundwater Section Central Office
Training and Certification Unit
Facilities Assessment Unit
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES
RALEIGH
RESIDUALS LAND APPLICATION 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
Town of Newport
Carteret County
FOR THE
operation of a wastewater residuals land application program consisting of the application of approximately
19 dry tons per year of residuals from the Town of Newport's wastewater treatment facility to
approximately 52.8 acres of land in Carteret County with no discharge of wastes to the surface waters,
pursuant to the application received on August 18, 1993 and in conformity with the project plan,
specifications, and other supporting data subsequently filed and approved by the Department of
Environment, Health and Natural Resources and considered a part of this permit.
This permit shall be effective from the date of issuance until March 31, 1999, and shall be subject
to the following specified conditions and limitations:
I. PERFORMANCE STANDARDS
1. The Wilmington Regional Office, telephone number [phone], and the appropriate
local governmental official (county manager/city manager) shall be notified at least twenty-
four (24) hours prior to the initial application of the residuals to a site so that an inspection
can be made of the application sites and application method. Such notification to the
regional supervisor shall be made during the normal office hours from 8:00 a.m. until 5:00
p.m. on Monday through Friday, excluding State Holidays. In addition, the Carteret
County Manager's office must be notified prior to the initial application so that they will be
aware that the operation has commenced.
2. This permit shall become voidable if the soils fail to adequately assimilate the wastes and
may be rescinded unless the sites are maintained and operated in a manner which will
protect the assigned water quality standards of the surface waters and ground waters.
3. The land application program shall be effectively maintained and operated as a non -
discharge system to prevent the discharge of any wastes resulting from the operation of this
program.

4. The issuance of this permit shall not relieve the Permittee of the responsibility for damages
to surface or groundwaters resulting from the operation of this program.
5. In the event that the land application program is not operated satisfactorily, including the
creation of nuisance conditions, the Permittee shall cease applying residuals to the sites and
take any immediate corrective actions as may be required by the Division.
6. Some of the buffers specified below may not have been included in previous permits for
this land application operation. However, any sites or fields that are included in this
permit, but were approved with different applicable buffers shall be reflagged to comply
with the below buffers. The following buffer zones shall be maintained;
a) 400 feet from residences or places of public assembly under separate ownership for
surface application method; however, the buffer zone requirement may be reduced to a
minimum of 100 feet upon written consent of the owner and approval from the
appropriate DEM regional office,
b) 200 feet from residences or places of public assembly under separate ownership for
subsurface residual injection method; however, the buffer zone requirement may be
reduced to a minimum of 100 feet upon written consent of the owner and the
appropriate DEM regional office,
c) 100 feet from any public or private water supply source, waters classified as SA or SB,
and any Class I or Class H impounded reservoir used as a source of drinking water for
both methods,
d) 100 feet from any streams classified as WS or B, any other stream, canal, marsh or
coastal waters and any other lake or impoundment for surface application,
e) 50 feet from any streams classified as WS or B, any other stream, canal, marsh or
coastal waters and any other lake or impoundment for subsurface application,
f) 50 feet from property lines for both surface and subsurface application methods;
g) 50 feet from public right of ways for both application methods,
h) 10 feet from upsIope interceptor drains and surface water diversions for both
application methods,
i) 25 feet from downslope interceptor drains, surface water diversions, groundwater
drainage systems and surface drainage ditches for both application methods.
7. A copy of this permit shall be maintained at the land application site when residuals are
being applied during the life of this permit. A spill prevention and control plan shall be
maintained in all residuals transport and application vehicles.
8. Specific residual application area boundaries shall be clearly marked on each site prior to
and during application.
9. No residuals at any time shall be stored at any application site, unless approval has been
requested and obtained from the Division of Environmental Management.
10. Maximum slope for residual application shall be 10% for surface application and 18% for
subsurface applications.
11. When wastewater residuals are applied, the Class A pathogen requirements and site
restrictions in 40 CFR Part 503.32(a) or the Class B pathogen requirements and site
restrictions in 40 CFR Part 503.32(b) must be met. Additionally, an evaluation must be
performed which demonstrates the residuals ability to comply with this requirement. Upon
request, a copy of this evaluation must be submitted including all test results and
calculations.
0)

1. The facilities and application sites shall be properly maintained and operated at all times.
2. A suitable vegetative cover, as listed in condition II 4, shall be maintained in accordance
with the crop management plan outlined by the local Extension Office of the Department of
Agriculture, or the Soil Conservation Service, or other agronomist, and approved by this
Division.
3. An acceptable pH must be maintained in the soil, residual and lime mixture, greater than
6.0, on all land application sites to insure optimum yield for the crop(s) specified below.
The agronomist shall provide information on the pH best suited for the specified crop and
the soil type.
4. The application rates shall not exceed the following for the specified crops:
Crop PAN (lbdacre/vr.)
Alfalfa
200
Bermuda Grass (Hay, Pasture)
220
Blue Grass
120
Corn (Grain)
160
Corn (Silage)
200
Cotton
70
Fescue
250
Forest (Hardwood & Softwood)
75
Milo
100
Small Grain (Wheat, barley, oats)
100
Sorghum, Sudex (Pasture)
180
Sorghum, Sudex (Silage)
220
Soybeans
200
Timothy, Orchard, & Rye Grass
200
5. No residuals other than the following are hereby approved for land application in
accordance with this permit:
Permit Estimated
Source _. _ County hiumb!'r V41ume (dry tonslvear)
Town of Newport W VTF Carteret NC0021555 19
6. The metal loading rates shall not exceed the following Cumulative Pollutant loading rates:
Kilograms
Pounds
Parameters _
I&r Hecl=
per Acre
Arsenic
41
36
Cadmium
39
34
Chromium
3,000
2,677
Copper
1,500
1,338
Lead
300
267
Mercury
17
15
Molybdenum
18
16
Nickel
420
374
Selenium
100
89
Zinc
2,800
2,498
KI

7. The pollutant concentrations in the residuals which will be applied to the land shall not
exceed the following Ceiling Concentrations (Dry Weight Basis);
Parameters m
Arsenic
75
Cadmium
85
Chromium
3,000
Copper
4,300
Lead
840
Mercury
57
Molybdenum
75
Nickel
420
Selenium
100
Zinc
7,500
8. Upon classification of the facility by the Certification Commission, the Permittee shall
employ a certified land application/residuals operator to be in responsible charge (ORC) of
the land application program. The operator must hold a certificate of the type classification
assigned to the land application program by the Certification Commission. The Permittee
must also employ a certified back-up operator of the appropriate type to comply with the
conditions of Title 15A NCAC 8A, .0202.
9. Adequate procedures shall be provided to prevent surface runoff from carrying any
disposed or stored residuals into any surface waters.
10. Surface applied residuals will be plowed or disced within twenty-four (24) hours after
application on lands with no cover crop established.
11. For areas that are prone to flooding or within the 100-year flood elevation, residuals may
be applied only during periods of dry weather. The residuals must be incorporated into the
soil within twenty-four (24) hours after application.
12. Appropriate measures must be taken to control public access to the land application sites
during active site use and for the 12-month period following the last residual application
event. Such controls may include the posting of signs indicating the activities being
conducted at each site.
13. Adequate provisions shall be taken to prevent wind erosion and surface runoff from
conveying pollutants from the residuals application area onto the adjacent property or into
any surface waters.
14. Residuals shall not be applied in inclement weather or until 24 hours following a rainfall
event of 1/2-inch or greater in 24 hours. Any emergency residuals disposal measures must
first be approved by the Division of Environmental Management.
15. Residuals shall not be applied to any land application site that is flooded, frozen or snow-
covered.
16. Residuals shall not be applied at rates greater than agronomic rates, unless authorized by
the Division.
17. Animals shall not be grazed on an application site for 30 days after residuals application.
Application sites that are to be used for grazing shall have fencing that will be used to
prevent access after each application.
4

18. Food crops, feed crops and fiber crops that do not come in contact with the residuals shall
not be harvested for 30 days after residuals application.
19. Food crops with harvested parts that touch the residual/soil mixture and are totally above
the land surface (ex. tobacco, melons, cucumbers, squash, etc.) shall not be harvested for
14 months after residuals application.
20. Food crops with harvested parts below the surface of the land (root crops such as potatoes,
carrots, radishes, etc.) shall not be harvested for 20 months after application of residuals
when the residuals remain on the land surface for four (4) months or longer prior to
incorporation into the soil.
21. Food crops with harvested parts below the surface of the land shall not be harvested for 38
months after application of residuals when the residuals remain on the land surface for less
than four (4) months prior to incorporation into the soil.
22. Turf shall not be harvested for 1 year after residuals application if the turf is to be placed on
land with a high potential for public exposure.
1. Any monitoring (including groundwater, surface water, residuals, soil, or plant tissue
analyses) deemed necessary by the Division of Environmental Management to insure
protection of the environment will be established and an acceptable sampling and reporting
schedule shall be followed.
2. Proper records shall be maintained by the Permittee tracking all application activities.
These records shall include, but are not necessarily limited to the following information:
a) source of residuals
b) date of residual application
c) location of residual application (site, field, or zone #)
d) method of application
e) weather conditions (sunny, cloudy, raining, etc.)
f) soil conditions
g) type of crop or crops to be grown on field
h) volume of residuals applied in gallons/acre, dry tons/acre or kilograms/hectare
i) annual and cumulative totals of dry tons/acre of residuals, annual and cumulative
pounds/acre of each heavy metal (which shall include, but not be limited to arsenic,
cadmium, chromium, copper, lead, mercury, molybdenum, nickel, selenium and zinc),
annual pounds/acre of plant available nitrogen (PAN), and annual pounds/acre of
phosphorus applied to each field.
3. A representative annual soils analysis (Standard Soil Fertility Analysis) shall be conducted
of each site receiving residuals in the respective calendar year and the results maintained on
file by the Permittee for a minimum of five years.
The Standard Soil Fertility Analysis shall include, but is not necessarily limited to, the
following parameters:
Acidity Manganese Potassium
Calcium Percent Humic Matter Sodium
Copper pH Zinc
Magnesium Phosphorus
Base Saturation (by calculation)
Cation Exchange Capacity
E

The Standard Soil Fertility Analysis (see above) and an analysis for the following metals
shall be conducted once prior to permit renewal on soils from each site which has received
sludge during the permit cycle.
Arsenic
Cadmium
Chromium
Lead
Mercury
Molybdenum
Nickel
Selenium
4. A residuals analysis will be conducted annually from the date of permit issuance by the
Permittee and the results maintained on file by the Permittee for a minimum of five years.
If land application occurs at a frequency less than annually, a residuals analysis will be
required for each instance of land application.
The residuals analysis shall include but is not necessarily limited to the following
parameters:
Arsenic
Aluminum
Cadmium
Ammonia -Nitrogen
Chromium
Calcium
Copper
Nitrate -Nitrite Nitrogen
Lead
% Total Solids
Mercury
pH
Molybdenum
Phosphorus
Nickel
Plant Available Nitrogen (by calculation)
Selenium
Potassium
Zinc
Sodium
Magnesium
TKN
After the residuals have been monitored for two years at the above frequency, the Permittee
may submit a request to the Division for a permit modification for the reduction of the
frequency of monitoring for pollutant concentrations and for the pathogen density
requirements, but in no case shall the frequency of monitoring be less than once per year
when residuals are applied to the land.
5. A Toxicity Characteristics Leaching Procedure (TCLP) analysis shall be conducted by the
Permittee annually. The TCLP analysis shall include the following parameters (please note
the regulatory level in mg/L in parentheses):
Arsenic (5.0)
Benzene (0.5)
Carbon tetrachloride (0.5)
Chlorobenzene (100.0)
Chromium (5.0)
m-Cresol (200.0)
Cresol (200.0)
1,4-Dichlorobenzene (7.5)
1,1-Dichloroethylene (0.7)
Endrin (0.02)
Hexachlorobenzene (0.13)
Hexachloroethane (3.0)
Lindane (0.4)
Methoxychlor (10.0)
Nitrobenzene (2.0)
Pyridine (5.0)
Silver (5.0)
Toxaphene (0.5)
2,4,5-Trichlorophenol (400.0)
0
Barium (100.0)
Cadmium (1.0)
Chlordane (0.03)
Chloroform (6.0)
o-Cresol (200.0)
p-Cresol (200.0)
2,4-D (10.0)
1,2-Dichloroethane (0.5)
2,4-Dinitrotoluene (0.13)
Heptachlor (and its hydroxide) (0.008)
Hexachloro-1,3-butadiene (0.5)
Lead (5.0)
Mercury (0.2)
Methyl ethyl ketone (200.0)
Pentachlorophenol (100.0)
Selenium (1.0)
Tetrachloroethylene (0.7)
Trichloroethylene (0.5)
2,4,6-Trichlorophenol (2.0)

2,4,5-TP (Silvex) (1.0) Vinyl chloride (0.2)
6. Three copies of all required monitoring and reporting requirements as specified in
conditions III 1, III 2,111 3, I114 and 1115 shall be submitted annually on or before March
1 of the following year to the following address.
NC Division of Environmental Management
Water Quality Section
Facility Assessment Unit
PO Box 29535
Raleigh, NC 27626-0535
7. Noncompliance Notification:
The Permittee shall report by telephone to the Wilmington Regional Office, telephone
number [phone], 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. Any occurrence with the land application program which results in the land application
of significant amounts of wastes which are abnormal in quantity or characteristic.
b . Any failure of the land application program resulting in a release of material to receiving
waters.
c. Any time that self -monitoring information indicates that the facility has gone out of
compliance with the conditions and limitations of this permit or the parameters on
which the system was designed.
d. Any process unit failure, due to known or unknown reasons, that render the facility
incapable of adequate residual treatment.
e. Any spillage or discharge from a vehicle or piping system transporting residuals to the
application site.
Persons reporting such occurrences by telephone shall also file a written report in letter
form within 15 days following first knowledge of the occurrence. This report must outline
the actions taken or proposed to be taken to ensure that the problem does not recur.
IV. GROUNDWATER REOUIREMENT
1. The COMPLIANCE BOUNDARY for the disposal system is specified by regulations in
15A NCAC 2L, Groundwater Classifications and Standards. The Compliance Boundary is
for the disposal system constructed after December 31, 1983 is established at either (1) 250
feet from the waste disposal area, or (2) 50 feet within the property boundary, whichever is
closest to the waste disposal area. An exceedance of Groundwater Quality Standards at or
beyond the Compliance Boundary is subject to immediate remediation action in addition to
the penalty provisions applicable under General Statute 143-215.6A(a)(1).
In accordance with 15A NCAC 2L, a REVIEW BOUNDARY is established around the
disposal systems midway between the Compliance Boundary and the perimeter of the
waste disposal area. Any exceedance of standards at the Review Boundary shall require
remediation action on the part of the Permittee.
2. Any groundwater quality monitoring, as deemed necessary by the Division, shall be
provided.
7

The Permittee or his designee shah inspect the residuals storage, transport, and application
facilities to prevent malfunctions and deterioration, operator errors and discharges which
may cause or lead to the release of wastes to the environment, a threat to human health, or a
nuisance. The Permittee shall maintain an inspection log or summary including at least the
date and time of inspection, observations made, and any maintenance, repairs, or corrective
actions taken by the Permittee. This log of inspections shall be maintained by the Permittee
for a period of five years from the date of the inspection and shall be made available to the
Division of Environmental Management or other permitting authority, upon request.
2. Any duly authorized officer, employee, or representative of the Division of Environmental
Management may, upon presentation of credentials, enter and inspect any property,
premises or place on or related to the application site or facility at any reasonable time for
the purpose of determining compliance with this permit; may inspect or copy any records
that must be kept under the terms and conditions of this permit; and may obtain samples of
groundwater, surface water, or leachate.
1. This permit shall become voidable unless the land application activities are carried out in
accordance with the conditions of this permit, the supporting materials, and in the manner
approved by this Division.
2. This permit is effective only with respect to the nature and volume of wastes described in
the application and other supporting data.
3. This permit is not automatically transferable. In the event that there is a desire for the
facilities to change ownership or a name change of the Permittee, a formal permit request
must be submitted to the Division of Environmental Management accompanied by an
application fee, documentation from the parties involved, and other supporting materials as
may be appropriate. The approval of this request will be considered on its merits and may
or may not be approved.
4. The following are approved sites for residuals application (see attached map(s)):
Application Area [acres]
Site No. Owner/..essee (excluding buffers)
CRN1-1 Dewitt D. Page 3.0a,b
CRN1-2 Dewitt D. Page 3.1
CRN1-3 Herbert F. Page 11.33
CRN2-1 Ruby K. Simmons 5.la
CRN2-2 Ruby K. Simmons 7.9a
CRN3-1 Harry D. Lockey 22.42
TOTAL AVAILABLE ACRES 52.8
a These land application sites are partially covered in soils having a seasonal high water
table at depths less than three (3) feet below land surface. Therefore, no residuals shall

b An additional 200 foot buffer is required from the adjacent house (400 feet total).
No land gpplication of sludge shall take place on field CRN1-4 due to poorly drained
soils and seasonal high water table or near the surface.
5. Failure to abide by the conditions and limitations contained in this permit may subject the
Permittee to an enforcement action by the Division of Environmental Management in
accordance with North Carolina General Statute 143-215.6(a) to 143-215.6(c).
6. The annual administering and compliance fee must be paid by the Permittee within thirty
(30) days after being billed by the Division. Failure to pay the fee accordingly may cause
the Division to initiate action to revoke this permit as specified by 15 NCAC 2H .0205
(c)(4).
7. The issuance of this permit does not preclude the Permittee from complying with any and
all statutes, rules, regulations, or ordinances which may be imposed by other government
agencies (local, state, and federal) which have jurisdiction.
8. The Permittee, at least six (6) months prior to the expiration of this permit, shall request its
extension. Upon receipt of the request, the Commission will review the adequacy of the
facilities described therein, and if warranted, will extend the permit for such period of time
and under such conditions and limitations as it may deem appropriate.
9. This permit may be modified, or revoked and reissued to incorporate any conditions,
limitations and monitoring requirements the Division of Environmental Management deems
necessary in order to adequately protect the environment and public health.
10. This permit shall become voidable unless the agreements between the Permittee and the
landowners/lessees are in full force and effect. The land owner agreements are considered
expired concurrent with the expiration date of the permit and must be renewed at the same
time the permit is renewed.
Permit issued this the 12th day of April, 1994
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
ko,
A. Preston award, Jr., P. .,'Director
Division of a9vironmental Management
By Authority of the Environmental Management Commission
Permit No. WQ0008349
G1

Specializing in Land Application • Sludge Disposal
TOPOGRAPHIC MAP
N
Bio Gro 5ysteins Incorporated
PO Box 209 Annapolis, Maryland 21404 • Telephone [phone]

Specializing in Land Application • Sludge Disposal
TOPOGRAPHIC MAP
N
Bio Gro Systems Incorporated
PO Box 209 Annapolis, Maryland 21404 • Telephone [phone]

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0-2=
Specializing in Land Application • Sludge Disposal
TOPOGRAPHIC MAP
N
Bio Gro Systems Incorporated
PO Box 209 Annapolis, Maryland 21404 • Telephone [phone]

"INi 'ALE FOR CLASSIFICATION OF WATER POLLUTION CONTROL SY5 t =„,
2i e of Facility-, -..t)!I
rner or Contact Person: Nov. iGZlrr✓ '6���.lJ7ii-e1 _
icing Address:
aunty: _�-t Telephone: L-1-162 22-3
'resent Classification: _ New Facility Existing Facility
,!PDES Per. No. NCOO Nondisc. Per. No.WCY)aith Dept.Per No,
sated by: kiLl Telephone: Date:�'7IC
Reviewed by: Health Dept. Telephone:
Regional Office Telephone:
Central Office Telephone:
ORC: Grade: Tele one:
Check Classification(s): Subsurface Spray Irrigation _ Land Application
Wastewater Classification: (Circle One) i 11 111 IV Total Points:
-------------------------------------------------------------
t,N-RANI- PROCESSES AND RESTED CONTROL € QUIPMfENT W -410-I ARE AN INTEGRAL HART OF INDUSTRIAL PRODUCTION SP-ALL
NOT BE C X4SQEREQ WASTE TREATMENT FOR, THE PURP]S E OF CLASSIFICATION ALSO SEPTIC TANK SYSTEMS COi iSISTING
ONLY OF SEEK, TANTANKAND GRAYLEY NITRIFICATION LINES ARE EXEMPT FRQMa.ASSIFICATION.
SUBSURFACE CLASSIFICATION
check all units that apply)
i_ septic tanks
2. pump tanks
3. siphon or pump -dosing systems
4. sand fillers
grease trap/inierceptor
8. oil/water separators
7. _gravity subsurface treatment and disposal.
8. pressure subsurface treatment and disposal
SPRAY IRRIGATION CLASSIFICATION
(check all unfis that apply)
1.
preliminary treatment (definition no. 32 )
2.
lagoons
3.
septic tanks
4.
pump tanks
5.
pumps
6.
sand filters
7.
grease traprnierceptor
8_
olllwater separators
9,
disinfection
10,
chemical addition for nutrient/algae control
11.
spray irrigation of wastewater
In addition to the above classifications, pretreatment of wastewater in excess of these
components shall be rated using the point rating system and will require an operator with an
appropriate dual certification.
LANQ PLICA T IONIRESIDUALS CLASSIFICATION (Applies only to permit holder)
1. X, Land application of biosoiids, residuals or contaminated soils on a designated site
WASTEWATER TREATMENT FACILITY CI.ASSIFICATICN
The following systems shall be assigned a Class I classification, un!esc the flow is of a significant quantity or the technology is
unusually complex, to require consideration by the Commission on a case -by -case basis: (Check if Appropriate)
1.—Ciilwater Separator Systems consisting only of physical separation, pumps and disposal;
2._ _Septic TanklSand Filler Systems consisting only of septic tanks, dosing apparatus, pumps,sand filters, disinfection
f and direct discharge;
3(_.Lagoon Systems consisting only of preliminary treatment, lagoons, pumps, disinfection, necessary chemical
treatment for algae or nutrient control, and direct discharge;
Closed -loop Recycle Systems:
Groundwater Remedialion Systems consisting only of pumps, air -stripping, carbon adsorption, disinfection and
disposal;
�Aquacullure operations with discharge to surface waters;
water Plant sludge handling and backwash water treatmvi-';
"y --ins consisting of screening and disposal.
1993 or f! n systems, v+ith the exception of Aerobic Treatment Units, will be classified if permitted
oc co ned Such system, v"`t be no ln ifiedoff [Be
elo classification oreclassification by the commission,
dlhein writing.

The following scale is used far rating wastewater _eatment iacilitieS: (circle appropriate
points)
ITEM POINTS
( 1)
Industrial Pretreatment Units Or Industrial Pretreatment Program (see defin€lion No. 33)...................................................4
(2)
DESIGN
FLOW OF PLANT IN gpd [not applicable to non•snlarnhaled cooling waters, sludge handling
facilities
for water purification plants, totally closed cycle systarns(see clefinitfon No. 11). and facilities
consisting only of Ifam (4)(d) or Items (4)(d) and (11)(d))
0 - 20,000................................................................................................................................................1
20.001 - 50,000.........................................-...........................................................................................12
Ko01- loa,aoo.................................................................................................................I...................3
100,001 250, 000.................................................................•----.............................................................4
250,001 500.000..................................................................................................................................5
500,001 1,000,000.............................................................................................................................8
1.000,001 - 2,000,000...........................................................................................................................10
2,000,001 (and up) rate 1 point additional for each 200,000 gpd capacity up to a
maximumof........................................................................3 0
Design Flow (gpd)
(3)
PRELIMINARY UNITSIPROCESSES (see definition No.32)
(a)
BarScreers...............................................................................................................................................I
or
(b)
Mocharlical Screens, Static Screens or Comminuting Devices...........................................................................2
(c)
Grit Removal..............................................................................................................................................1
or
(d)
Mechanical or As rated Grit RBmOVaf..................................„..................................................„.....................2
(a)
Flow Me asuring Oev ce....................................................................................... ...1
or
(f)
Instrumented Flow Measurement..................................................................................................................2
(g)
Preaeration................................................................................................................................................2
(h)
Influent Flow Equalization...........................................................................................................................2
{i}
Grease or Oil Separators - Gravity.................................................................................................. ..........2
Mechanical.................................................................................................................................... .......3
DissolvedAir Flotation..........................................-................................_..._................._........_........._...........a
(l)
Prachiorination..........................................................................................................................................5
(4)
PRUARY TREATMENT UNITSIPROCESSES
(a)
Septic Tank (see definition No. 43)............................................................................................................2
(b)
Imhoff Tank...............................................................................................................................................5
(c)
Primary Clarifiers .................... ........... ......... ........................ .......... .................. ................................... ............ 5
(d)
Settling Ponds or Settling Tanks iar Inorganic Non -toxic Materials (sludge handling facilities for
water purification plants, sand, gravel, stone, and other m€ning operations except recreational
activities such as gem or gold mining).........................................................................................................2
(5)
SECONDAFYTREATMENT UNIT9PROCESSES
(a)
Carbonaceous Stage
(i) Aeral€on-High Purity Oxygen System...............................................................................20
DiffusedAir Syslem.......................................................................................................1 0
Mechanical Air System (fixed, floating or rotor).......................................................„.........a
Separate Sludge Reaaralion.............................................................................................3
{i€) Trickling Filar
HighRate.......................................................................................................................7
SlandardRate............................................................................ ......5
..............................
PackedTower.................................................................................................................5
(iii) Biological Aerated Filter or As rated
BiologicalFfter.............................................................................................................1 0
(iv) Aerated Lagoons..........................................................................................................10
(v) Rotating Biological Conlaclors......................................................................................10
(A) Sand Filters -intermittent biological..................................................................................2
Recirculating biological.....................................................................................................a
(vii) Stabilization Lagoons.....................................................................................................5
(viii) Clarifier............................................................................................................................. 5
(ix) Single stage system for combined carbonaceous removal of BOO and nitrogenous
removal by nitrification (sea definition No. 12)(Polnls for this item have to be in
addition 10 items (5)(a)ti) through (5)(a)(vii"t),
utilizing the extended aeration process (see daiinition No_32)...........................................2
vtideng other than the a --tended aeration process............................................................6
(x) Nutrient additions to enhance BCD removal......„..............................................................5
(xi) Biological Culture (-Super Bugs")addition......... .................... ...........................................5
(b)
Nitrogenous Stage
(f) Aeration - High Purity Oxygen System.............................................................................20
DitlusedAir System . ...... ......................................................... ................
I ...... I ............... 1 0
Mechanical Air System (fixed, floating or rotor), .................................................................
8
Separate Sludge Reaerat€on.............................................................................................3
Trickling Filter -High Rate........................................_.................................._.......................7
StandardRate...................................................................................................5
PackedTower ............................... .................................................................... .............. 5
(iii) Biological Aerated Filter or Aerated Biological Filter .............................................................1
0
(rv) Rotating Biological Contactors......................................................................................10
(v} Sand Filter - intermittent biological...................................................................................2
Recirculating bioiogicai............................................................................................3
Clarifier................................................................................................................5
(6) TERTIARY OR ADVANCED TREATMENT UNITSIPROCESSES
(a)
Activated Carbon Beds -
without carbon regeneration....................................................................................................5
withcarbon regenoralion.......................................................................................................1
5
(b)
Powdered or Granular Aciivatad Carbon Feed -
without carbon regeneration........................................................---................_......................5
withcarbon regeneration...................................................._......................I—.......................1
5
(a)
Air stripping...................................................... r....... ....................... ........ ....................
........5
(d)
Denilrilicalion Process ..............................................................................................................10
(o)
Eleclrodialysis................................. ....................... .........................................................................
............ 5
(1)
Foam Separation..............._....................................................._.................__.................._...5

ziiemicai(s) to dual units will be rated as one system; capability to add a chemical at a d€llorant applicalion points for different purposes will Teeth In the systems baing
rated as saparats systems;
Ilo),Ctwmfca'-Sludgo Conditioning. The addition of a chemical compound such as lime, ferric chloride, or a polymer to wet studga to coalesce the mass prior la its
application to a dewatering device;
fry) Closed Cycle Systems- Use of holding ponds or holding tanks for containment of wastewater containing Inorganic, iron -toxic malorlats from sand, gravel, crushed
n or other similar operations. Such systems shalt carry a maximum of two prints regardless or pumping facilities or any other appurtenancos:
Combined Removal of Carbonaceous SOD and Nitrogenous RemovaL by Nitrilicatiorr A single stage system required to achieve permit effluent limits on SOD and
..,monia nitrogen wi Shin tha same biological reacty;
(13) DecNorination. The partial or comptote reduction of residual chlorine in a liquid by any chemical or physical process;
(14) DeNtrincalion Process. The corrversion of nitrate-nitrogar, to nitrogen gas; I -
(15) Eleclrodhalys s, Process for removing Ionized salts from lwater through the use of Ion -selective ion -exchange mambrznGs;
(16) Filter Press. A process or eratsd mechanically Ion part€aily dawataring sludge;
(17) Foam Separation. -the punned trotting of wastewater or wastewater'o tent as a means of removing excessive amounts of detergent materials through the
Introductlon of air in the form of fine bubbtas; also called loam tractionation;
(18) Grit Removal. The process of removing get and other heavy mirwat matter from waslewaler,
(19) Imhetf Tank_ A deep two story wzstewa€ar lank consisting of an upper sedimentation chamber and a Iowa sludge digestion chamber.
(1,0) Insirumented-F(bw Measurement, A -device which indlcatas and records rate of now;
(21) Ian Exchange. A chemical process in which ions from two difteront molecules are exchanged;
(22) Land application:
(a) Sludge Disposal, A final sludge disposal method by which wet sludge may be applied to land either by spraying on the surface or by subsurface ira)ecdon (!,a.,
chhtso( plow); [not applicable far types of sludge described in (I1) of this Ruler;
(b) Treated EtfluaM The process of spraying treated westowaler onto a land area or other methods of applicaiiext or wastewater onto a land area as a means of net
disposal or treatment;
(23) Microscreen. A law speed, continuously back -washed, rotating drum filter operating under gravity conditions as a polishing matwd for removing suspended solids
from effluent;
(24) N'hldficalion Process, The biochemical conversion at unoxid€zari nitrogen (ammonia and orgaNc: nitrogen) to oxidized rtrogen (usually nitrate);
(25) Nitrogenous Stage, A sapafate stage of wastewater treatment designed for the spocitic purpose of converting ammoria nitrogen to nitrate nitrogen;
(26) Phosphate Removal, Siological. The removal of phosphorus from wastewater by an oxirlanoxic process designed to enhance luxury uptake of phosphorus by (he
microorganisms;
(27) PollsNng Pond. A hoIc9no pond lolloMng secondary treatment with sufficient doiantion time to allow settling of finely suspended solids;
(28) Post Aeration. AaraGon fallowing conventional secondary troalment uryts to increase affluent D,O, or for any other purpose;
(29) Post Aeration. (Cascade) A polishing method by which dissolved oxygen is added to the effluent by a norrmcharical, gravity means of flawing down a series of
steps or weirs; 'The flow occurring across the slops or weirs moves in a fairly thin layer and the operation of the cascade requires no operate[ acfusbnent; thus, zero
points are assigned even though this is an assantial step to meating rho limits of the discharge permit;
(30) Powdered to Granular Activated Carbon Food, A biophysical carbon process that utilizes biological activity and organic absorption by using powdered or granular
activated carbon; Virgin or regenerated carbon is feed controlled into the .system;
(31) PreaeratiDn. A tank constructed to provide aeration prior 10 primary troalmsnt;
(32) Pretim€nary Urns. Unit operations in the treatment process, such as screening and comminution, that prepare the liquor lot subsequent major operations;
(33) Industrial Pwrealment,
I a) Pra•treatnent Ur t, lndus#riaf. T7 a cond{tioring of a waste at Its snorts before discharge, to rarnove or to neutratiza substances injurious to sewers and lreatrnent
processes or to effect a partial reduction in load on the treatment process which is operated by litre same goverring body as the wastewater treatment plant being
rated;
b) Pre•trealment Program, industrial - must be a State or EPA foquired program to reca€ve points on the rating sheet;
(34) Primary Clarifiers. The first settling tanks through which wastewater is passed in a traatmant works for the purpose of removing settleable and suspended solids and
SOD which is associated with the solids;
{35) Pumps. All Influent, efrfuant and in -plant pumps;
(35) Radiation, Disinfection or storirhzai€on process utilizing devices ernitting ultraviolet or gamma .rays;
(37) Reverse Osmosis. A treatment process in which a heavy contaminated liquid is pressurized ttuough a membrane forming nearly pure lfgUd free Irom suspended solids;
-1 Rotatng Biological Contractors. A fixed biological grcWn process in which wastewater flows though tanks in which a series of partially submerged circular surfaces
rotat*d-
s) Sand Fitots:
(a) Inlermittert Siofogical. Filtration or effluent foilovring septic ranks, lagoons, or some other treatment process In which fL-the( blodecomposit€on is expected to
produce desired eBluents; Hydraulic ioading rates on these filters are computed in gpd(ac and have a rosulling low gprr/sl (lass Stan one);
b) Recitctdatng biological - the same tvpa of sand bllor as defined in Subparagraph (39) (a) of this Rule wish the added capability to recycle alnuanl back through the
Send filter;
(40) Sand o: Mixed•Media Fiitors. A polishing process by which efttuant limits are nchievad through a fuller radudon of suspended solids;
(a) law rare -• gravity, hydraulically loaded filter with loading rates in the one to twee gpmisf range;
(b) high rate •• a pressura, hydraulitafiy loaded fitter with loading rates in the five gpaVsf fangs; At any rate, the loading rat* W exceed three gp"sf;
(41) Secondary Clarifiers. A lank which follows the biological unit of treatment plant and wNeh has the purpose of removing sludges assochatod with the biological
'.reatmant units;
(42) Separate Sludge Reiteration. A part of the contact stabilization process where (he activated sludge is translanad to a tank and aerated before returr>ing it to the
contact basin;
(43) Septic Tank. A single•slory settling tank in which settled sludge Is in contact with the wastewater flowing through the tank; shall not be appficabfa for sepilc lank
system, serving single family residences having capacity of 2,000 gallons or less which discharge to a NleAcatian plaid;
(44) Sludge Digestion. The process by which organic or volatile matter and siudga is gasified, liquefied, mineralized or converted into more stable organic matsor through
the activity of living orgarsms, which includes aerated holding tanks;
(45) Sludge Drying 9eds. An area comprising natural or artificial Layers of porous materials upon which digested sewage sludge is dried by drainage and evaporation;
(46) :Judge Elutrialiort, A process of sludge conditioning in which certain constituents are removed by successive washings with frosh wafer or plan( effluont;..
(47) Sludge Gas UC;zalion, The process of using sewage gas for the purpose of heating buildings, diving engines, sic.; '
(411) Sludge Holding Tank, (Aerated and Nonaeraled). A lank uffized for small wastewater traatmant plants not containing a digester in which _,Fudge may be kept fresh,
and supernatant vriihhdrawn prior to a drying maihod (i.a,'sludgo drying beds); This may be done by adding a small amount of air simply to keep the sfudgo fresh, but not
nacassarify an amount that would be required to achieve stabilization of orgarc matter. A nonaaraled lark would simply be used to decant sludge prior to dewalering and
wwld not allow long periods (several days o! detention) without resulting odor problems;
(44) Sledge Incinsralors. A furnace designed to bum sludge and to remove all moisture and combus5ble materials and reduce the sludge to a startle ash;
(50) SIudge Slabilizadon (Ciharnical or Thormai), A process to make treated sludge iess odorous and putrescible, and to reduce the patlhogenic organism conlont; This may
be none by pH adiustnent, cNorine dosing, or by heat treatment;
(51) Sludge Tlickanar. A type of sedimentation tank in which the sludge €s permitted 10 settle and thicken tivough agitatico and gray>ly;
(52) Stabilization Lagoon. A type of oxidation lagoon in which biological oxidation of orgarhic matter is effected by natural transfer of oxygen to the water from air (not a
polishing pond);
(53) Stand�Sy rower Supply. On silo or portable electrical generating equhpmeni;
(54) Static Screens. A stationary scroan designed to remove solids, including non -biodegradable particulate (noalabte salids, suspended solids and 80D reduction) from
municipal and industrial wastewater Sraatmont systems;
(3S) Tertiary Treatment. A stage of treats -non', following secondary which is primarily for the purpose of effluent polishing; A settling lagoori or sand or coal filter might be
employed lot this purpose;
(3rs) Thermal Pollution Control Device. A device providing for the transfer of heal from a nuid flowing in tubes to another flUd outside the tubes, or vice versa; or other
moans of regulating !;quid temperatures;
(57) Thermal Sludge Corditioner. A conditioning process by which heal is added for a protracted period of time to improve the dawalerability of sludge by tie sofubilizing
and hydraulizing of the smaller and more highly hydrated sludge panhdes;
($S) Toxic Materials. Those wastes or combinations of wastes, including disease -causing agents which allot discharge and upon exposure, ingestion, inhalation or
assimflafion into any organism, either directly Irom the environment or indirectly by ingestion through food chains, will cause death, disease, behavioral abnormalities,
cancer, genet€c mutations, physiological maltumlions (including rnallunctions in reproduction) or physical deformations, in such organisms or their oflspring; Toxic materials
'Dada, by way of illustfaton and not limitation; lead, cadmium, chromium, mercury, vanadium, arsenic, zinc, ortiho-ritro-ehlorobenzene (GNCS), polychlorinated biphenyls
r.sj and dichiorodiphenyl trichlomathane (GOT); and any diner materials that have or may hereafter be delertrned to have toxic peopartres;
";rickfing Filiar. A Naloglcai tsoltment unit consisting of a rnmarial such as broken stone or rock over which wastewater Is rxstributod; A high rate trickling filler is one
wrrcn operated at bohweon to and 30 mgd per acre. A tow rate trickling filler is one wNch is cosigned to operate at one to four mgd par acre:
(E0) Trickling Filler (Packed Towor). A pvg Aow type of operation in which waslawatar Crows down Iryough successive layers of madta or fittram malaria#; Orgaitic material
Is !*moved continually by the active biological fxod gtowai in each successive layer, TNs method may produce •secondary quality effuent, or may be adapted to
produce a ri5•iliod effluent:
(51) Vacuum Filter, Centrifuges, or Filler. Pressas. D9vifes which are designed to remove excess water from either digested Or undigisted sludge prior to disposal or
further troalmart.

rtaet-u cmuenl (see 0eantrlon No. 22b) (not applicable for sand,
gravel, stone and other similar mining operations) by high rate'lnfiltration..................
(i)
Microscreens.............................................................................................................................................4
(1 )
Phosphorous Rembval by 6iologtcal Processes (See definition No. 26).........................................................20
(k)
Polishing Ponds - without aeration ...................... ...................................................................................... 2
withaeratlon......................................................•....__._..........,.......•................................5
(1)
Post Aeration - cascade........................................................... .......... ......................... ............. .................. 0
diffusedor mechanical........................................................................................................2
(m)
Reverse Osmosis.........................................................................................................................................5
(n)
Sand or Mixed -Media Fillers - low rate ............ ............... ........... •..... .... ........ ................._................................2
F
high rate......................................................................5
(o) .
Treatment processes for removal of metal or cyanide...................................................................................1 5
(p)
treatment processes for removal of toxic materials other than metal of cyanide .................
(7)
SLUDGETREATMENT
(a)
Sludge Digestion Tank . Heated (anaerobic)................................................... .•........... ............................... 10
Aerobic..............................................................................................................................................5
Unhealed(anaerobic)................................................................................................................................3
(b)
Sludge Stabilization (chemical or thermal)....................................................................................................5
(c)
Sludge Drying Beds - Gravity ................... ................................................................................................... 2
VacuumAssisted ........................... ................................ ................................... ..................................... ...._.5
(d)
Sludge Elutriation...................................................................................................................... ................5
(e)
Sludge Condllioner (chemical or thermal).....................................................................................................5
(f)
Sludge Thlckenor (gravity)..................•......_........................................................•.......................................5
(g)
Dissolved Air Flotation Unit (not applicable to a unit rated as(3)(1)j...... .......................................................a
(h)
Sludge Gas Utilization (including gas storage).............................................................................................2
(i)
Sludge Holding Tank - Aerated....................................................................................................................6
Non -aerated .............................................................................................................. ................2
(j)
Sludge Incinerator (not Including activated carbon regeneration)........................_.................................._....10
(k)
Vacuum Filter, Centrifuge, or Filler Press or other similar dewatering devices ................. ................................-1 0
(a)
RESIDUALS
UTIL17ATIONiDISPOSAL (including incinerated ash)
(a)
Lagoons.............................................................. ............................................................. ....................... 2
(b)
Land Application (surface and subsurface) (see delinilion 22a)
by contracting to a land application operator or landfill operator who holds the land
application permit or landfill permit...............................................................................................................2
(c)
Dedicated Landfill(burial) by the permittse of the wastewater treatment facility...............................................5
(9)
D&IN�FECTCN
(a)
Chlorination..............................................................................................................................................5
(b)
Dechlorination...........................................................................................................................................5
(c)
Ozone..........................•................................_...._..................... ................ ...5
(d)
Radiation ............................................... ......................................................................................5
(10)
CHEMICAL
ADDITION SYSTEM(S) ( see definition No. 9) [not applicable to chemical additions rated as Item
(3)(j),
(5)(a)(xi), (6)(a), (6)(b), (7)(b), (7)(e), (9a), (9)(b) or (9)(c) 5 points each:'
List.............................
:.......................... ..................... .......................................................... 5
.................................................. .....• •.................... .................................................I........5
... .............. ......................................................................... .............. .............. I ...... ......... 5
... .................................I.._..................... _.........._...................................................5
(1 1)
MISCELLANECUS
UNITSrPROCESSES
(a)
Hulding Ponds, Holding Tanks or Sending Ponds for Organic or Toxic Materials includinq wastes
from mining operations containing nitrogen or phosphorus compounds in amounts significantly
greater than is common for domestic wastewater.........................................................................................4
(b)
Effluent Flow Equalization (not applicable to storage basins which are inherent in land application
systems) ...................................................................................................................................................2
(c)
Stage Discharge (not applicable to storage basins inherent in land application systems)..................................5
(d)
Pumps............................................................. _..•...............................................................................•....3
.
(a)
Sland•By Power Supply ....... .••...................................................................................................................3
(1)
Thermal Pollution Control Device........................-..............................................._........................................3
TOTAL POINTS .•...............:.............:..........................................
CLASSIFICATION
ClassI ...... .................................................... ........................ .••...................... 5-25 Points '
ClassIt,,, ...................................................................................................... 26-50 Points
Classlll............... .........................................................................................51-65 Points
ClassIV ....... .................................. .......... .................................................... 68-Up Points
-------------------------------------------------------------
Facilities having a rating of one through lout points, inclusfvs, do not require a certified operator.
Facilities having an activated sludge process wi# be assigned a minimum classification of Class It.
Facilities having treatment processes for the removal of melai or cyanide will be assigned a minimum classification of Class 11.
=acililies having treatment processes for the biological removal of phosphorus will be assigned a minimum classification of Class III.
,,&4 DEFINITIONS
's rolEt> iN definidors shall apply throughout this Subchapter.
i Activated Carbon Beds. A physicallchemical method to., reducing soluble organic material from wastewater effluent: The column type beds used in fits method will have
ow rats varying from two to sight gallons per rninuto per square foot and may be either upaow or downfiow carbon beds. Carbon may oe may not be regenerated on eke
lewater treatment plant site:
4araead Lagoons_ A basin in which all solids are maintained in suspension and by which biological oxidation or organic matter is reduced through "Aciatly accelerated
'91 of oxygen on a llow•lhrough basis;
-ation. A process of bringing about intimate conlacl between air or high purity oxygen in a liquid by spraying, a9dalton or dilfusion;(3a) Extended Aeration. An
�d sludge process utilizing a rr"mum hydraulic detention krne of $8 hours,
^.ullurally managed site. Any site on which f crop Is produced, managed, and harvested (Crop includes grasses- grains, trees, etc.);
•ripping. A process by which the ammonium ion is first convened to dissolved ammonia (pH adjusvnenl) with fie ammora then released to the ahnosphare by
Roans: or other similar processes which ramove petroleum produces such as benzene, toluene, and xytene;
Regeneration. Tho regeneration of exhausted carbon by the use of a furnace to provide oxfremely high temperatures which volatilize and oxidize the absorbed
acoous Stago, A stage of wastewater treatment designed to achieve 'secondary' alriuom limits;
19. A mechanical device in which csnuilu94 ioece is usod to separate solids from lice -ids or to soparale ligtads of different densities;
Addition Systems- 'rho add#lion of chomical(s) to waslowalor at an application point Ior purposes or improving solids removal, pH adiuslment, alkalinity cmlrol,
bility to experiment with dilloren[ chunYcals and c50farenf application pants to achieve a specific result will be considered ono system; she capability to add
ME