HISTORICAL BEFORE 2000

NPDES DOCUWENT SCANNIMS COVER SHEET
NPDES Permit: NC0081821
Richmond County WTP
Document Type: Permit Issuance
Was teload Allocation
Authorization to Construct (AtC)
Permit Modification
Complete File - Historical
Engineering Alternatives (EAA)
Staff Report
Instream Assessment (67b)
Speculative Limits
Environmental Assessment (EA)
Permit
History
Document Date: June 3, 1993
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DIVISION OF ENVIRONMENTAL MANAGEMENT
June 3, 1993
aaa4aaapQa
TO: Donald Safrit, Unit Supervisor
P rmitting and nearing Unit
FROM: y teve a,Ang Regiona ti Supervisor
Fayetteville Regional Office,
SUBJECT: Renewal of NPDES Permit No. NCO081281
Richmond County Water Treatment Plant
Pee Doe, North Carolina
Richmond County
Please find enclosed the staff report and recommendations of the
Fayetteville Regional Office concerning the renewal of subject NPDES Permit.
If you have any questions or require any further information, please
advise.
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SOC PRIORITY PROJECT: Yes No
If yes, SOC No.
To: Attention: Susan Robson
Permits and Engineering Unit
Water Quality Section
May 28, 1993
NPDES STAFF REPORT AND RECOMMENDATIONS
County Richmond
Permit No. NCO081281
PART I. GHNBRAL INFOR14ATION
1. Facility and Address: Richmond County Water Treatment Plant
Richmond County Board of Commissioners
P.O. Box 504
Rockingham, North Carolina 28379
2. Date of Investigation: April 23, 1993
3. Report Prepared By: Ricky Revels, Environmental Technician III
4. Persons Contacted and Telephone Number: Richard Lassiter (919) 895-2180
A.B. Thompson (919) 997-6234
5. Directions to Site: Travel approximately 2.5 miles west of Rockingham on
US Hwy 74, turn right on SR 1140, and travel to the intersection of SR
1140 and SR 1141. Plant is located on the right side of the road.
6. Discharge Point(s) , List for all discharge points:
Latitude: 340 58' 20" Longitude: 790 50, 20,,
Attach a USGS map extract and indicate treatment facility site and
discharge point on map.
USGS Quad No. : H19NE USGS Quad Name: Rockingham, NC
7. Site size and expansion area consistent with application'
_X_ Yes No (If no, explain)
B. Topography (relationship to flood plain included) : Hilly, sloping
towards the west.
9. Location of nearest dwelling: None within 500 feet.

Staff Report and Recommendation
Page 2
10. Receiving stream or affected surface waters: U.T. to the Pee Dee River.
a. Classification: "C"
b. River Basin and Subbasin No. : Yadkin-Pee Dee 030716
C. Describe receiving stream features and pertinent downstream uses:
Fishing, Boating, fish and wildlife propagation.
PART II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS
1. a. Volume of Wastewater to be permitted: 0.2574 MGD (Ultimate Design
Capacity)
b. what is the current permitted capacity of the Wastewater Treatment
facility? Same as above.
C. Actual treatment capacity of the current facility (current design
capacity) . N/A
d. Date(s) and construction activities allowed by previous
Authorizations to Construct issued in the previous two (2) years.
A/C issued by Public Water Supply Section I.D. # 03-77-109
e. Please provide a description of existing or substantially
constructed wastewater treatment facilities. The substantially
constructed wastewater treatment facility (expansion project) will
include an additional 126, 500 gallon sludge holding tank, a Trac-Vac
continuous sludge removel system, a 80 GPM belt filter press, a
140,000 gallon (polymer chemical feed) sludge thickner tank, and a
1,250 kw diesel engine driven generator.
f. Please provide a description of proposed wastewater treatment
facilities: N/A
g. Possible toxic impacts to surface waters: N/A
h. Pretreatment Program (POTWs only) :
In development Approved
Should be required Not needed _X_
2. Residuals handling and utilization/disposal scheme:
a. If residuals are being land applied, please specify DEM Permit
No.
Residual Contractor
Telephone No.

Staff Report and Recommendation
Page 3
b. Residuals stabilization: PSRP PFRP Other
C. Landfill: Richmond County Landfill
d. Other disposal/utilization scheme (Specify) :
3. Treatment plant classification (attach completed rating sheet) : Grade I
4. SIC Code(s) : 4941
Wastewater Code(s) of actual wastewater, not particular facilities; i.e. ,
non-contact cooling water discharge from a metal plating company would be
14, not 56.
Primary _21 Secondary _
Main Treatment Unit Code: 5 0 0 0 1
PART III - OTHER PERTINENT INFORMATION
1. Is this facility being constructed with Construction Grants Funds or are
any public monies involved (municipals only) ? N/A
2. Special monitoring or limitations (including toxicity) requests: N/A
3. Important SOC, JOC, or Compliance Schedule dates (please indicate) : N/A
Date
Submission of Plans and Specifications . . . . . . . .
Begin Construction . . . . . . . . . . . . . . . . . .
Complete Construction . . . . . . . . . . . . . . . .
4. Alternative Analysis Evaluation: Has the facility evaluated all of the
nondischarge options available. Please provide regional perspective for
each option evaluated.
Spray Irrigation: N/A
Connection to Regional Sewer System: N/A
Subsurface: N/A
Other disposal options: N/A
5. Other Special Items: None

Staff Report and Recommendation
Page 4
PART IV — EVTALUATION AND RECOMMENDATION
It is the recommendation of the Fayetteville Regional Office that NPDES
Permit No. NCO081281 for the Richmond County Water Treatment Plant be reissued
for the appropriate time period.
SignaturePof Report Preparer
Water Quality Regional Supervisor
Date

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• RATING SCALE FOR7,*''16LASSIFICATION OF FACILITIES
Name of Plant:_ R.C.h vKcjd CC,'Ni ti 00'-k ' i r ce-+;%&ti. t F 1�+e f
Owner or Contact Person:
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NPDES Permit No. NC00 BiZ? 1 Nondisc. Per. No. _
IssueDate: Expiration Date:
Existing Facility ✓ New Facility ✓�
Rated By: Rt`c.K,, R.w z I Date: -J-we- 3, l j y-1
Reviewed (Train. & Cert.) Reg. Office
Reviewed (Train. & Cert.) Central Office
ORC Grade
Plant Class: (circle one) (I II III IV Total Points—?— 5
J — —
ITEM POINTS (5)SECONDARY TREATMENT UNITS
(a) Carbonaceous Stage
(1) Industrial Pretreatment Units and/or (i)Aeration - High Purity Oxygen System . . . . . 20
Industrial Pretreatment Program Diffused Air System . .. . . . . . . . . 10
(2) DESIG FLOW OF PLANT IN GPD
(see definition No. A 4 Mechanical Air System (fixed,
N
(not" applicable to non-contaminated cooling waters, sludge floating or rotor) ... .. .. . .. . . . . • 8
Separate Sludge Reaeration 3
handling facilities for water purification plants, totally (H) Trickling Filler
closed cycle systems (def. No. 11), and facilities High Rate...................consisting only of Item (4) (d) or Items (4) (d) and (11) (d)) Standard Rate. 7
0 -- 20.000. 1 Packed Tower.
20.001 — 50.000.......................... 2 5 5
50,001 — 100,000.. .... 3 (iii) Biological Aerated Filler or Aerated
- 100,001 -- 250,000............ ... .. .. ... .... 4 (iv) Aerated La Biological Filler. . ............ . . .. . .. 10
Lagoons .
250.001 — 500,000.......................... 5 ............... .. .. . . 10
500,001 —1,000,000.................... .. .. .. 8 (v) Rotating Biological Contactors . . . . . . . . . . 10
1,000.001 .-2,000.000.... ..... .......... . .. .. 10
2.000.001 (and up) - rate 1 point additional for each (vi) Sand Filters-
200,000 gpd capacity up to a intermittent biological . . . . . 2
Design Flow (gpd) maximum of 30 recirculating biological . . . . . 3
(3j PRELIMINARY UNITS (see definition no.32 (vii) Stabilization Lagoons .......... .. . . . . . . . 5
(viii)Clarifier 5
(a) Bar Screens................................ 1 (ix) Single stage system 'for combined.
of
carbonaceous removal of BOD and
(b) Mechanical Screens, Static Screens or nitrogenous removal by nitrification
Comminuting Devices........... ........... 2 (see def. No. 12) (Points for this item
(c) Grit Removal............................. 1 have to be in addition to items (5) (a)
or
(d) Mechan'�cal or Aerated Grit Removal. . . . . .. . . .. 2 () through (5) (a) (vie', ......... . . . . . . . . 8
(e) Flow Measuring Device....................... 1 (x) Nutrient additions to enhance BOD
removal..... 5
..........................
r
(Q Instrumented Flow Measurement.. . .. . . . . . . . . . 2 (xi) Biological Culture ('Super'Bugs') addition
to enhance organic compound removal . . . . . 5
(g)Preaeraion................................ 2 (b) Nitrogenous Stage
(h) Influent Flow-Equalization .. .. . . .. . . . . . .... . . 2 (i) Aeration - High Purity Oxygen System . . . . . 20Dillused Air System . . . . . . . . . .. 1 0
n Grease or Oil Separators- Gravity. ....... .. 2 Mechanical Air System (fixed,
Mechanical. 3 floating, or rotor). 8
Dissolved Air Flotation. 8(j Prechb Separate Sludge Reaeration . . . . . 3
rination.............................. 5 (ii) Trickling Filter -
(4) PRIMARY TREATMENT UNITS High Rate.............. 7
(a) Septic Tank(see definition no.43) . . . . . . . ... .. . . 2 Standard Rate......... . .. 5
(b) Imhoff Tank................................. . 5 Packed Tower............ 5
(c) Primary Clarifiers............... ............ . 5 (iii) Biological Aerated Filter or AeratedBiologicalFilter. . ......... ..... ...... 10
...
) Settling Ponds or Settling Tanks for Inorganic Non-toxic Materials (sludge handling facilities ( Filter-
stone. (iv) Sand Filte) Rotating Biological Contactors . . . . . . . . . . . . 10
for water purification plants, sand, gravel, intermittent biological . . . . . . . . 2
stone, and other mining operations except
recreational activities such as gem or gold recirculating biological . . . . . . . . 3
mining)...................................... . . 2 (vi) Clarifier..... . . .................. . ...... 5

(6) TERTIARY OR ADVANCED TREATMENT UNIT (10) CHEMICAL ADDITION SYSTEM(S)(See definition No.9)
(a) Activated Carbons Beds -
without Arbon regeneration.................. 5 (not applicable to chemical additions rated as item
with carbon regeneration.................... 15 () a). (5) (a) (xi), (6) (a), (6) (b),each:
: st (e),
(b) Powdered or Granular Activated Carbon Feed - (9) (a), (9) (b), or(9) (c)5 points each: List:
without carbon regeneration................. 5 . . . 5
with carbon regeneration.................... 1 5 . . 5
(c) Air Stripping.............................. 5 . . . . . 5
(d) DeriMificalion Process (separate process) . . . . . 10 ' ' ' ' . 5
(e) Eledrodialysis............................. 5 (11) MISCELLANEOUS UNITS
(f) Foam Separation............................. 5 (a) Holding Ponds, Hong Tanks or Settling Ponds
(g) Ion Exchange.....;......""" '''.'' S for Organic or Toxic Materials including wastes
(h) Land Application of Treated Effluent from mining operations containing nitrogen and/or
(see definition Lno. 22b) (not applicable for phosphorous compounds In amounts significantly
sand. gravel, stone and other similar mining greater than is common for domestic wastewater .......... 4
operations) (b) Effluent Flow Equalization (not applicable to storage
(7 on agriculturally managed sites (See del. basins which are inherent in land application systems)..2
No.4)................................... 10 (c) Stage Discharge (not applicable'to storage basins
(it) by high rate infiltration on non-agriculturally inherent in land application systems..._.................._.......... 5
managed sites (includes rotary distributorsPimps.--"— ""
and similar fixed nozzles stems (e) Power Sup " 3
systems)... ... . . . . . . 4 (e) stand-By Power supply..._._....._. ._.G
(ii) by subsurface disposal (includes low pressure (f) Thermal Pollution Control Device._._........_........_................... 3
pipe systems and gravity systems except at
plants consisting of septic tank and nitrifica-
tion fines only)............................. 4 TOTAL POINTS ZS
(7 Microscreens.................................. 5
(j) Phosphorus Remo{al by Biological Processes CLASSIFICATION
(See def.No.26) 20
(k) Polishing Ponds - without aeration. .. . . . . 2 Class 1---- 5 - 25 Points
with aeration......... . 5 Class II... _. 26- 50 Points
(I) Post Aeration - cascade .............. 0 Class III.__..__...._..._ _ 51- 65 Points
diffused or mechanical . . . 5 Class IV... r___... _ 66- Up Points
(m) Reverse Osmosis............................... 5
(n) Sand or Mixed-Media Fillers-low rate .. .. . . . . . . . 2 Facilities having a rating of one through four points, inclusive,
high rate.......... 5 do not require a certified operator. Classification o1 all other
(o) Treatment processes for removal of metal or facilities requires a comparable grade operator in responsible
cyanide.................................... 15 charge.
(p) Treatment processes for removal of toxic
materials other than metal or cyanide . . . . . . . . . 15 Facilities having an activated sludge process will be assigned
a minimum classification of Class It.
SLUDGE TREATMENT Facilities having treatment processes for the removal of metal
(a) Sludge Digestion Tank -Heated............... 10 or cyanide will be assigned a minimum classification of Class If.
Aerobic............... 5
Unheated...... ....... 3 Facilities having treatment processes for the biological removal
(b) Sludge Stabilization (chemicat or thermal) . . . . . . . 5 of phosphorus will be assigned a minimum classification of Class
(c) Sludge Drying Beds - Gravity................. 2 Ill.
Vacuum Assisted. . . . . . . 5
(d) Sludge Eluldation......................... .... 5 In-plant processes and related control equipment which are an
(e) Sludge Conditioner (chemical or thermal) . . . . . . . . 0 integral part of industrial production shall not be considered waste
(1) Sludge Thickener(gravity)................. ..... 5 treatment. Likewise, discharges of wastewater from residences
(g) Dissolved Air Flotation Unit having a design flow of 1.000 gpd or less, shall not be subject to
(not applicable to a unit rates as (3) (1) . . . . . . . . . 6 rating.
(h) Sludge Gas Utilization (including gas storage) . . . . 2
(i) Sludge Holding Tank- . Aerated................ �5, ADDITIONAL COMMENTS-
Non-aerated............ C2
(j) Sludge Incinerator - (not including activated
carbon regeneration) .. . 10
(k) Vacuum Filter, Centrifuge or Filter Press or other
similar dewatering devices............... . . . .. 10
(8) SLUDGE DISPOSAL(including incineraled ash)
(a)Lagoons........................................ 2
(b) Land Application (surface and subsurface)
(see definition 22a)
-where the facility holds the land app. permit . . . 10
-by contracting to a land application operator who
holds the land application permit..... . . .. . . . . . .. 2
-land application of sludge by a contractor who does
not hold the permit for the wastewater treatment
facility where the sludge is generated . . . . . . . .. 10
(c) Landfilled(burial)............................. 5
(9) DISINFECTION
(a) Chlorination........................ ..... 5
(b) Dechlorinal'ron........................ 5
(c) Ozone.............................. 5
(d) Radiation.......................... 5