NC0085863_Staff Report_19960830

L _' P
SOC PRIORITY PROJECT: Yes_ No Y
If Yes, SOC No.
To: Permits and Engineering Unit
Water Quality Section
Attention: Susan Robson
Date: August 30, 1996
NPDES DISCHARGE STAFF REPORT AND RECOMMENDATION
County:Wake
Permit No.: NCO085863
PART I - GENERAL INFORMATION
1. Facility Location: Waterfall Plantation Subdivision
Mica Mine Road, in Thompson Mill
Subdivision
NCSR 1923
Wake Forest
Wake County
Applicant Mailing Address:
Mr. Jerry Tweed (ci
Heater Utilities, 4vgZ'r--
202 McKenan Court
Cary, NC 27519
[phone] -
2. Date of Investigation: August 16, 1996
3. Report Prepared by: Peggy Redmond '
4. Persons Contacted and Telephone Number:
Ms. Jill Strickler (919) 467-18712, ext. 41
5. Directions to Site: From Raleigh, take U.S. 50 north to Hwy.
98. Go west approximately 1-2 miles to NCSR 1923 (Thompson
Mill Rd.) and turn right. Proceed approximately 1 mile to
Thompson Mill subdivision, and turn right onto Mica Mill Rd.
Go to the end of the road and the well head is at the end of
the cul-de-sac.
6. Discharge Point(s), List for all discharge points:
Latitude: 35�58'49"N Longitude: 78"33'15"W
Attach a USGS map extract and indicate treatment facility
site and discharge point on map.
U.S.G.S. Quad No.:.D 24 NE U.S.G.S. Quad Name: Wake
Forest.NC
PLOUff

SOC PRIORITY PROJECT:
If Yes, SOC No.
Yes_ Nox—
7. Site size and expansion area consistent with application ?
XX Yes No If No, explain:
8. Topography (relationship to flood plain included):
Discharge area is a broad plain approximately 100 feet to
creek bed. There are 10 foot bluffs on both sides of the
creek, and the creek is about 20 feet wide with a good
strong flow.
9. Location of nearest dwelling: Approximately 100 feet from
well head.
10. Receiving stream or affected surface waters: Horse Creek -
index number 27-17-(2)
a. Classification: WS-IV NSW CA
b. River Basin and Subbasin No.: 03 04 01
C. Describe receiving stream features and pertinent
downstream uses: Neuse River, below Falls Lake
PART II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS
i. a. Volume of Wastewater to be permitted: 6100 GPD
(Ultimate Design Capacity) New facility
b. What is the current permitted capacity of the Waste
Water Treatment faculty? N/A
C. Actual treatment capacity of the current facility
(current design capacity)? N/A
d. Please provide a description of existing or
substantially constructed wastewater treatment
facilities:
- [To be constructed] - 300 square foot sand filter to
treat backwash water from well water treatment. Well
water will be treated with potassium permanganate to
control iron and manganese_.,
2. Residuals handling and utilization/disposal scheme: As
necessary by approved hauler.
3. Treatment plant classification (attach completed rating
sheet): Class 1
4. SIC Codes) 1952 A41
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 QA Secondary _
Main Treatment Unit Code: 4 4 0 7
SAND FILTER ONLY

SOC PRIORITY PROJECT: Yes Nox
If Yes, SOC No.
PART III - OTHER PERTINENT INFORMATION
1. Is this facility being constructed with Construction Grant
Funds or are any publ ic; monies involved (Illt11'ti(1ipa1 ()r)lW
No
2. Special monitoring or limitations (including toxicity)
requests: None
3. Other Special Items: The only possible toxic impacts to
surface waters are from chlorine, and potassium permanganate
residuals.
4. Alternative Analysis Evaluation: Has the facility evaluated
all of the non -discharge options availal}leer Please provide
regional perspective for each option evaluated.
Connection to Regional Sewer SY-tell): Not available at this
time.
Subsurface: Soils riot suitable.
Other disposal options: No alternatives available at this
time.
5. Other Special Items: None
PART IV - EVALUKI'ION AND RECOMMENDATIONS
The proposed well water treatment facility should have no
significant impact to the creek. The Raleigh Regional Office,
along with the Wake County Department of Health, recommends
approval of the permit application for a period of 5 years,
provided that all buffers are maintained and adequate monitoring
for chlorine and postassium permanganate residuals are followed.
Sig t r f repo ire rer
v�
W ter ali y gional Supervisor
Date
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A. O. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS FINAL
Permit No. NCO08.5863
During the period beginning on the effective date of the permit and lasting until expiration, the Permittee is authorized to discharge from
outfall(s) serial number 001. Such discharges shall be limited and monitored by the permittee as specified below:
E[IIuent Characteristics
Discharge Limitations
Monitoring Reauirements
Lbs/day Units (specify)
Measurement
Sample
•Sample
Mon. Avg. Daily Max Mon. Avg.
Daily Max.
Frequency
Type
Location
--low
Weekly
Instantaneous
E
total Suspended Solids
30.0 mg/I
45.0 mg/I
2/Month
Grab
E
�oltleable Solids
0.1 ml/I
0.2 ml/I
Weekly
Grab
E
turbidity
Weekly
Grab
U,D
ron
Weekly
Grab
E 1
Total Residual Chlorine
Weekly
Grab
E
Sample locations: E - Effluent, U - Upstream, D - Downstream
** The discharge shall not cause the turbidity of the receiving water to exceed 50 NTU. If the turbidity exceeds these levels due to natural
background conditions, the discharge level cannot cause any increase in the turbidity in the receiving water.
All samples collected should be of a representative discharge.
The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units and shall be monitored weekly at the effluent by grab
sample.
There shall be no discharge of Floating solids or visible foam in other than trace amounts.

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ROAD CLASSIFICATION
PRII.`ARY HIGHP,AY
HAP_ SURFACE
GHT-DU ROAD, HARD OR
If.! -ROVED SURFACE
SECONDARY HIGHWAY
HART, SURFACE
UNIMPROVED ROAD C-
Latitude 35'58'49'I
Longitude 78'33'15"
Map # D24NE
Sub -basin 030401
Stream Class
WS-IV NSW CA
Discharge Class
21
Receiving Stream Horse Creek
Design 0
Permit expires 4/30/98
SCALE 1:24 ••0
0 7000 FEET
1 1 KILOMETER
I
CONTOUR
ouA0 LOCATION Heater Utilities, Inc.
Waterfall Plantation WTP
NCO085863
Wake County