HomeMy WebLinkAboutWQ0036942_Contractor Inspection_20221202Aerobic Septic System Inspection Report
Maintenance Entity: McFarland Septic, LLC
Address: 6801 Mt. Hermon Church Road, Durham, NC 27705
(919)383-1015 www.mcfarlandseptic.com
Email: mcfarlandseptic@gmail.com
Contact: Bob McDonald
Installation Date: 1 1! 10,2015
Required frequency of visits is every 6 mont
Date of inspection visit: 1210212022
System Name: Clearstream
Serial Number:
Model Number:
Inspected by: Adam Moneypenny
Inspected Item:
Aerators
Filters
Irrigation Pumps
Recirculation Pumps
Disinfection Device
Chlorine Supply
Electrical Circuits
Distribution System
Spray..Drip Field
Vegetative Cover
Other Item(Specify)
Permit Number: WQ0036942
hs.
Date of previous visit: 05.`28.'2022
Owner: Tom Tucker
Property Address: 5015 Mt. Moriah Rd
City, State, Zip: Durham, NC, 27707
Signature:
Operational
Clearstream alarm
Inoperative
El
El
Not Applicable
Repairs to system (list all components replaced):
1. The septic tank is due for pumping. 2. The alarm light on the Clearstream unit needs to be
replaced. 3. The alarm switchboot is deteriorated and should be replaced. 4. One of the
sprayheads in the field is broken which does not allow for the sprayhead to go back down
properly.
Tests required and results: Influent Results
il!BOD NA mg.L
TSS NA mglL
TKN NA mgi L
Effluent Results
CBOD NA mg1L
TSS NA mg1L
NH4N NA mg}L
Fecal Coliform NA MPN. 100 mL
Comments: 1. The septic tank is due for pumping. 2. The alarm light on the Clearstream unit is
not working. 3. The alarm silence switchboot has deteriorated on the Clearstream unit and should
be replaced. 4. One of the sprayheads in the sprayfield is broken and remains up when the pump
is off. 5. Pulled samples during ORC visit and delivered them to the lab for analysis on 12-02-22.
NORTH CAROLINA DEPARTMENT OF HEALTH AND HUMAN SERVICES
DIVISION OF PUBLIC HEALTH
ENVIRONMENTAL HEALTH SECTION
ON -SITE WATER PROTECTION BRANCH
CONTROLLED DEMONSTRATION
WASTEWATER SYSTEM APPROVAL
CONTROLLED DEMONSTRATION NO: CDWS-2009-02-RI
Issued To:
For:
Kevin Sherman
Clearstream Wastewater Systems, Inc.
PO Box 7568
Beaumont, Texas 77726
409-755-1500; Fax: 409-755-6500
www.cleastreamsystems.com
Clearstream advanced wastewater pretreatment system
N Models, NC Models, NU Models, NC2 Models, NC3 Models, D Models, DC
Models, DU Models, DD Models, DDC Models, DA Models, DCA Models, DUA
Models, DDA Models, and DDAC Models
Approval Date: February 19, 2009
May 30, 2014 Expansion of approved models and other modifications
In accordance with North Carolina General Statute 130A-343 and 15A NCAC 18A .1969 and .1970, a
proposal by Clearstream Wastewater Systems, Inc., for approval of subsurface systems utilizing the
Clearstream advanced wastewater pretreatment units has been reviewed and the system has been found to
meet the standards of a Controlled Demonstration system when all of the following conditions are met:
I. General
A. Scope of this Controlled Demonstration Approval
1. Clearstream advanced wastewater pretreatment units are designed, installed, operated and
maintained to meet TS-I effluent standards in accordance with Rule 15A NCAC 18A .1970.
Refer to Rule .1970(a) Table Vll - Effluent Quality Standards for Advanced Pretreatment
Systems for treatment performance levels.
2. Obtain field performance data from modified Clearstream advanced wastewater pretreatment
systems intended to meet TS-I1 effluent quality standards.
3. Proposal for evaluation of this Controlled Demonstration system.
B. This Controlled Demonstration Approval is only applicable to systems that have a design flow
not exceeding 1,500 gallons per day.
C. Influent waste strength to a Clearstream advanced wastewater pretreatment system shall not
exceed domestic septic tank quality effluent standards pursuant to Rule .1970(b).
D. Approval is limited to 175 TS-I systems and 25 TS-I-denitrification/disinfection systems (D and
DA Models). The intent of this Controlled Demonstration is to gain field experience sufficient to
CDWS-2009-02-R 1
May 30, 2014
Page3of13
in accordance with Rule .1970 for an NSF-40 or TS-I system. Siting requirements for subsurface
drip systems receiving effluent treated to the NSF-40 or TS-I standard shall comply with the
applicable subsurface drip system approval.
IV. System Sizing
The system sizing criteria shall be based upon the long term acceptance rate specified in the
appropriate portion of the rules or innovative and Experimental approval for the type of ground
absorption system to be used.
V. Special Site Evaluation
A special site evaluation may be required based on the proposed ground absorption system. Refer to
manufacturer specific drip approvals and Rule .1970(p).
VI. Design Critera
A. A Clearstream advanced pretreatment system shall utilize models of Clearstream RWTS that have
been approved by the State in accordance with Rule .1957(c), in addition to meeting the
requirements listed below.
B. The Clearstream advanced pretreatment system requires a settling tank that is either an integral
chamber of the tank or a separate State approved prefabricated tank. The system model number
and the settling tank sizing are specified in Table 1, below.
Table 1
Design Flow
(gallons per day)
Clearstream Model Number
Minimum Required
Settling Tank Size
500
500-N, 500-NC, 500-D, 500-DC,
500-DA, 500-DCA
250, Separate
600
600-N, 600-NC, 600-D, 600-DC,
600-DA, 600-DCA
300, Separate
600
600-NU, 600-DU, 600-DUA
300, Integral
600
600-NC3
400, Integral
750
750-N, 750-NC, 750-D, 750-DC,
750-DA,
750-DCA
375, Separate
1,000
I000-N, 1000-NC,
1000-D, 1000-DC, 1000-DD, 1000-
DDC, 1000-DA, 1000-DCA
500, Separate
1,500
1500-N, 1500-NC,
1500-NCD,
1500-D, 1500-DC, 1500-DCD,
1500-DA, 1500-DCA, 1500-DDAC
750, Separate
C. Effluent from Clearstream advanced pretreatment systems may be conveyed to a gravity
distribution nitrification field or to a dosing tank. Effluent from a dosing tank may be distributed
COWS-2009-02-R I
May 30, 2014
Page 5 of 13
Clearstream Wastewater Systems, Inc and the system designer.
K. The Clearstream advanced pretreatment system tanks shall not be placed in driveways, parking
areas, or areas subject to vehicular traffic.
VII. Installation and Testing
A. A preconstruction conference is required to be attended by the system designer, engineer (if
required), Clearstream manufacturer's representative, Clearstream certified installer, and local
health department (LHD) prior to beginning construction of a Clearstream advanced pretreatment
system and associated soil absorption system.
B. The Clearstream advanced pretreatment system shall be located in compliance with the horizontal
setback requirements of Rule .1950(a) and Rule .1970 and shall be located to prevent
surface/subsurface water inflow. infiltration. The drainfield horizontal setbacks are in accordance
with Rule .1970, as appropriate for an NSF-40 or TS-I system.
C. All Clearstream advanced pretreatment systems shall be installed according to directions
provided by the manufacturer in their installation manual and instructions found on Clearstream
drawings and specifications for each system. Additionally, all Clearstream advanced
pretreatment systems and components used with, but not manufactured by Clearstream
Wastewater Systems, Inc., shall be installed in accordance with all applicable regulations and
manufacturer instructions.
D. All individuals.companies installing Clearstream advanced pretreatment systems shall be in
possession of all necessary permits and licenses before starting any portion of an installation. The
company/individual must be a Level IV installer and Clearstream Wastewater Systems, Inc,
certified.
E. Watertightness of the tanks shall be demonstrated by a 24-hour leakage test conducted at the
installation site or by an approved vacuum testing method prior to backfilling. A water level
change of 1/2 inch or more within a 24-inch riser over 24 hours, or visual observation of leakage
shall be cause for failure of the watertightness test. Initial water level shall be to 2 inches above
the riser/adapter seam.
F. The Clearstream manufacturer's representative and engineer or designer of record shall start-up
the Clearstream advanced pretreatment system for each installation and provide installation and
start-up acceptance letters to the LHD prior to issuance of the operation permit.
G. Specified site preparation steps and construction specifications for the soil absorption system
shall be strictly adhered to, including specified depth of trenches in relation to site limiting
conditions, cover material specifications (if needed), trench installation method, etc.
H. Each Clearstream advanced pretreatment system Control Panel shall have a label affixed as
shown in Attachment B.
I. Prior to Operation Permit issuance, the engineer or designer of record and the manufacturer's
representative shall conduct an inspection start-up of all associated system components, including
CDWS-2009-02-R 1
May 30, 2014
Page 7 of 13
14. Any structural damage, accessibility issues, adequate ventilation, excess odors, insect
infestations, vegetative growth over the drainfield, or surfacing of effluent on the drainfield
area.
15. Sample of Clearstream advanced pretreatment system effluent collected from the sampling
point to check for effluent clarity and odor, and a sample of influent, as required.
E. The ORC shall also conduct other additional observations, measurements, monitoring, and
maintenance activities as specified in the Operation Permit and as recommended by the
manufacturer.
F. Sampling and Testing
1. All sampling shall be done in accordance with Rule .1970(n)(3) and (5).
2. Influent samples shall be taken from beneath the access opening over the settling chamber,
from within the outlet tee. The sample shall be taken from the clear zone beneath any scum
layer using a sludge judge or similar device.
3. Clearstream advanced pretreatment system effluent samples shall be taken from an approved
sampling port, as described above (and see detail in Attachment). The sampling port shall be
located immediately following the drainfield dosing pump and filter, when present. The
approved sampling port shall include a 1/2-inch tap with ball valve in the discharge line inside
the pump tank riser. To obtain the sample, the ball valve shall be fully open with the pump
running for at least 30 seconds before taking the grab sample. These samples shall be taken
.41
at least quarterly for at least a 12 month period or until Innovative Approval for the system is
granted by the State.
4. All systems shall be tested for effluent CBOD;, TSS, NH,-N, and fecal coliform bacteria.
Influent shall be tested for BOD5 and TKN. The manufacturer may choose for TS-1
denitrification/disinfection system effluent to be additionally tested for TN.
`5. Flow monitoring shall include a determination of the 7-day and 30-day flow for the
corresponding time period preceding each ORC inspection/sample collection. Flows shall be
determined by using the data -logger or elapsed time meter data in the effluent pumping
station control panel, or in the ground absorption system control panel, where applicable.
G. Notification and Performance of Maintenance and Repairs
1. The ORC shall alert Clearstream Wastewater Systems, Inc, the LHD, and the system owner
in a timely fashion of needed maintenance or repair activities including, but not limited to,
landscaping, tank sealing, tank pumping, pipe or control system repairs, blower/filter
replacement, and adjustments to any other system component.
2. The ORC shall notify the system owner, Clearstream Wastewater Systems, Inc. and the LHD
whenever the pump delivery rate efficiency and/or average pump run time are not within 25%
of initial measurements conducted prior to system startup.
3. System troubleshooting and needed maintenance shall be provided to maintain the pump
delivery rate and average pump run time within 25% of initial measurements conducted
during system startup.
4. The settling tank and/or aeration tank will be pumped as needed upon recommendation of the
ORC and in accordance with the Clearstream Wastewater Systems, Inc. O&M Manual.
However, at a minimum, the septic tank will be pumped whenever the solids level exceeds
25°.0 of the tank's total liquid working capacity or the scum layer is more than 4 inches thick.
5. The tanks shall be pumped by a properly permitted septage management firm, and the septage
handled in accordance with 15A NCAC 13B .0800.
CDWS-2009-02-R 1
May 30, 2014
Page 9 of 13
- For coastal resort communities, the two samples shall take place between June 1 and
September 8 of each year. The samples must be taken at least six weeks apart.
- Other seasonal homes shall be sampled during the projected times of greatest use.
A copy of the sample results will be provided directly from the laboratory to the On -
Site Water Protection Section.
- The State of North Carolina and Clearstream Wastewater Systems, Inc. agree that any
systems that are out of compliance due to owner intervention, i.e. excessive flows,
chemical disposal, or high strength waste, etc., shall not be considered in the Controlled
Demonstration approval.
d. Compliance of each site and the system shall be in accordance with the requirements of
Rule .1970.
IX. Responsibilities and Permitting
A. Prior to the installation of a Clearstream advanced pretreatment system at a site, the owner or
owner's agent shall fill out an application at the LHD for the proposed use of this system. The
LHD shall issue an Improvement Permit or Construction Authorization or amend a previously
issued Improvement Permit or Construction Authorization allowing for the use of up to 175 TS-I
systems and 25 TS-I denitrification/disinfection systems.
B. The Improvement Permit and Construction Authorization shall contain all conditions the site
approval is based upon, including the proposed use of the Controlled Demonstration system. The
operation permit will include all conditions specified in the Improvement Permit and
Construction Authorization. The On -Site Water Protection Branch shall be notified of all
permits issued for a Controlled Demonstration system.
C. When a special site evaluation is required pursuant to Rule . I970(p)(1) or a drip approval, an
evaluation and written, sealed report from a Licensed Soil Scientist regarding the site shall be
provided to the LHD. The report shall contain the information as specified in Rule .1970(p)(2)
and "Requirements for Submittals of Soil Reports and Pretreatment and/or Dispersal System
Designs". The LHD may request the assistance of their Regional Soil Scientist in evaluating this
report prior to permit issuance.
D. The Clearstream advanced pretreatment system shall be designed by one of the following: a
Clearstream Wastewater Systems, Inc. authorized designer or a North Carolina Professional
Engineer.
E. Prior to the issuance of a Construction Authorization for a Clearstream advanced pretreatment
system, a design submittal prepared by an authorized designer or North Carolina Professional
Engineer shall be submitted for review and approval by the LHD. The design submittal shall
include the information required in "Requirements for Submittals of Soil Reports and
Pretreatment and/or Dispersal System Designs".
F. A North Carolina Professional Engineer is required for all systems with a design flow greater
than 1,000 gallons/day. All design submittals shall be accompanied by a design certification from
Clearstream Wastewater Systems, Inc.
G. It is recommended that local authorized environmental health practitioners attend a design
CDWS-2009-02-R 1
May 30, 2014
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Attachment A
Model DA and D Drawings
GRADE
AERATOR
NOTE:
PRETREATMENT TANK VOLUME
MUST BE A MINIMUM OF 50%
OF THE GALLON PER DAY
RATING OF CLEARSTREAM
TREATMENT TANK
1
AERATION CHAMBER
INSPECTION/SAMPLING PORT
(CLOSED W/ORANGE PLUG)
AIR LINE -
CONDUIT
DIFFUSER
TYP (2)
ACCESS COVER FOR 12" OPENING
r HIGH LEVEL FLOAT
/ AIR VOLUME CONTROL VALVE
AIR SOLENOID VALVE
/— ACCESS COVER FOR 12" OPENING
AIRLIFT ASSEMBLY
CLARIFIER
AERATION TANK
A
GRADE
C
FLOW
LINE
CDWS-2009-02-R1
May 30, 2014
Page 13 of 13
Attachment B
Label is 4.75" long by 1.5" tall.
NON -TYPICAL SEPTIC SYSTEM
CLEARSTREAM SYSTEMS
CONTROLLED DEMONSTRATION
SUBSURFACE WW OPERATOR NAME AND CONTACT
INFORMATION
NON -TYPICAL SEPTIC SYSTEM
CLEARSTREAM CONTROLLED DEMONSTRATION.
GRADE II WW OPERATOR REQUIRED.
ANY PROBLEMS, CONTACT HEALTH DEPT AT