WQ0002520_Final Permit_20090529

HCDENR
North Carolina aePartment of Environment and Natural Resources
Beverly Eaves Perdue
Governor
Mr. M.E. Carson, Town Administrator
Town of Bath
Post Office Drawer 6A
Bath, NC 27808
Dear Mr. Carson:
Division of Water Quality
Coieen H. Sullins
Director
May 29, 2009
Dee Freeman
Secretary
Subject: Permit No. WQ0002520
Town of Bath
Wastewater Irrigation System
Beaufort County
In accordance with your permit renewal request received March 5, 2009, we are forwarding
herewith Permit No. WQ0002520, dated May 29, 2009, to the Town of Bath for the continued operation
of the subject wastewater treatment and surface irrigation facilities.
This permit shall be effective from the date of issuance until April 30, 2014, shall void Permit No.
WQ0002520 issued October 10, 2003, and shall be subject to the conditions and limitations as specified
therein. Please pay particular attention to the monitoring requirements in this permit. Failure to establish
an adequate system for collecting and maintaining the required operational information will result in
future compliance problems.
Please note that since the last permit issuance, the Division has instituted a new monitoring
policy for all non -discharge systems and created a new permit shell. Please pay careful attention to
the monitoring frequencies and parameters listed in Attachment A, as they may differ from the
requirements and frequencies in the last permit issuance.
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 the
North Carolina General Statutes, and filed with the Office of Administrative Hearings, 6714 Mail Service
Center, Raleigh, NC 27699-6714. Unless such demands are made this permit shall be final and binding.
AQUIFEF. PROTECTION SECTION
1625 N. Service Center. Raleigh, North Carolina 27599-1636
Uouation: 2728 Capftal Bculevard, Raleigh North Carolina 27604
Phone: [phone] i FAX 1 91C-715-05K; FAX 2: 919-715.601,31 Customer Serv; :e: 1-577-623-E'4U
1mE. net: www ncwaterguality.org
011e
Ndtlmrafly

Mr. M.E. Carson
May 29, 2009
Page 2 of 2
If you need additional information concerning this matter, please contact Chonticha McDaniel at
(919) 715-61 S& or [e-mail].
Sincerely,
for Col een H. Sullins
cc: Beaufort County Health Department
Washington Regional Office, Aquifer Protection Section
Gary S. MacConnell, MacConnell & Associates, P.C. (PO Box 129, Morrisville, NC 27560)
Technical Assistance and Certification Unit
APS Central Files
LAU Files

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH
WASTEWATER IRRIGATION SYSTEM 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 Bath
Beaufort County
FOR THE
continued operation of up to 22,000 gallon per day (GPD) surface irrigation treatment and disposal
facility consisting of
a 1,560,000-gallon facultative lagoon, a 2,850,000-gallon storage lagoon, a 260 GPM effluent pump
station equipped with dual non -submersible pumps and high water alarms, an open channel flow
ultrasonic flow meter, a chlorine contact chamber, a 5.0-acre wooded spray field (with a disposal capacity
of 0.0047 MGD), 11.3-acre spray fields (with a disposal capacity of 0.0175 MGD), all associated piping,
valves, electrical and instrumental/control systems, and other appurtenances necessary to make complete
and functional wastewater treatment and spray irrigation facility
to serve the Town of Bath, with no discharge of wastes to the surface waters, pursuant to the application
received March 5, 2009, and in conformity with the project plan, specifications, and other supporting data
subsequently filed and approved by the Department of Environment and Natural Resources and
considered a part of this permit.
This permit shall be effective from the date of issuance until April 30, 2014, shall void Permit No.
WQ0002520 issued October 10, 2003, and shall be subject to the following specified conditions and
limitations:
I. SCHEDULES
Monitoring wells MW-9, MW-10, and MW-11 shall be approved by the Washington Regional Office,
telephone number [phone] prior to installation and installed within 90 days of permit issuance.
The regional office shall be notified at least forty-eight (48) hours prior to (excluding weekends and
holidays) the construction of any monitoring well. Such notification to the regional Aquifer
Protection 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. The well(s) shall be constructed such that the
water level in the well is never above or below the screened (open) portion of the well at any time
during the year and in accordance with 15A NCAC 02C .0108. The general location and name for
each well is marked on Figure 2. See also well construction form submittal requirements in Section
IV. of this permit.
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2. Within sixty (60) days of completion of the monitoring well(s) MW-9, MW-10, and MW-11, the
Permittee shall submit two original copies of a scaled site map (scale no greater than V=100'):
however, special provisions may be granted upon prior approval for large properties. The map(s)
must include the following information:
a. The location and identity of each monitoring well.
b. The location of major components of the waste disposal system.
c. The location of property boundaries within 500 feet of the disposal area(s).
d. The latitude and longitude of the established horizontal control monument.
e. The elevation of the top of the well casing (which shall be known as the "measuring point")
relative to a common datum.
f The depth of water below the measuring point at the time the measuring point is established.
g. The location of review and compliance boundaries.
h. The date the map is prepared and/or revised.
Control monuments shall be installed in such a manner and made of such materials that the
monument will not be destroyed due to activities that may take place on the property. The maps and
any supporting documentation shall be sent to the N.C. Division. of Water Quality, Aquifer Protection
Section, 1636 Mail Service Center, Raleigh, N.C. 27699-1636. The Permittee is responsible for the
geographic accuracy of any map submitted, however produced.
3. Within sixty (60) days of permit issuance, monitor well(s) MW-3 and MW-4, shall be temporarily
abandoned by securing the wellheads to prevent access by hand. Each well shall have a lockable cap
and be locked in order to reasonably ensure against unauthorized access and use [15A NCAC 02C
.0108(c)(7)j. The well(s) shall be further secured by placing a compatible watertight cap or seal onto
the riser pipe to prevent potential contamination from entering the well(s).
4. Within sixty (60) days of permit issuance, monitor well(s) MW-6, MW-7, and MW-8 shall be
permanently abandoned. Within thirty (30) days of abandonment, a Well Abandonment Record (GW-
30 form) that lists this permit number and the appropriate monitoring well identification number shall
be completed for each well abandoned and mailed to N.C. Division of Water Quality, Aquifer
Protection Section, 1636 Mail Service Center, Raleigh, N.C. 27699-1636. The well(s) must be
abandoned by a North Carolina Certified Well Contractor according to the North Carolina Well
Construction Standards (15A NCAC 02C .0113) and local county rules.
No later than six months prior to the expiration of this permit, the Permittee shall request renewal of
this permit on official Division forms. Upon receipt of the request, the Division will review the
adequacy of the facilities described therein, and if warranted, will renew the permit for such period of
time and under such conditions and limitations as it may deem appropriate. Please note that Rule 15A
NCAC 02T ,0105(d) requires an updated site map to be submitted with the permit renewal
application.
PERFORMANCE STANDARDS
The surface irrigation facilities shall be effectively maintained and operated at all times so that there
is no discharge to the surface waters, nor any contravention of groundwater or surface water
standards. In the event that the facilities fail to perform satisfactorily, including the creation of
nuisance conditions due to improper operation and maintenance, or failure of the irrigation area to
adequately assimilate the wastewater, the Permittec shall take immediate corrective actions including
those actions that may be required by the Division, such as the construction of additional or
replacement wastewater treatment and disposal facilities.
2. The issuance of this permit shall not relieve the Permittee of the responsibility for damages to ground
or surface waters resulting from the operation of this facility.
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Shell Version 090415.
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3. All wells that are constructed for purposes of groundwater monitoring shall be constructed in
accordance with 15A NCAC 02C .0108 (Standards of Construction for Wells Other than Water
Supply) and any other state and local laws and regulations pertaining to well construction.
4. Effluent limitations shall not exceed those specified in Attachment A.
5. Application rates, whether hydraulic, nutrient, or other pollutant shall not exceed those specified in
Attachment B.
6. The compliance boundary for the disposal system is specified by rules in 15A NCAC 02L,
Groundwater Classifications and Standards. This disposal system was individually permitted on or
after December 30, 1983; therefore, the compliance boundary is established at either 250 feet from
the waste disposal area, or 50 feet within the property boundary, whichever is closest to the waste
disposal area. An exceedance of groundwater standards at or beyond the compliance boundary is
subject to remediation action according to 15A NCAC 02L .0106(d)(2) as well as enforcement
actions in accordance with North Carolina General Statute 143-215.6A through 143-215.6C.
7, The Permittee shall apply for a permit modification prior to any sale or transfer of property that
affects a compliance boundary to establish a new compliance boundary.
8. In accordance with 15A NCAC 02L .0107(d), no wells, other than monitoring wells, shall be
constructed within the compliance boundary except as provided by 15A NCAC 02L .0107(g).
9. The 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 action in accordance with 15A NCAC 02L .0106.
10. The facilities permitted herein must be constructed according to the following setbacks:
a.. The setbacks for Irrigation Sites shall be as follows (all distances in feet):
i. Any habitable residence or place of public assembly under separate ownership: 400
ii. Drainage ways or Surface water bodies: 100
iii. Any well with exception of monitoring wells: 100
iv. Any property line: 150
v. Public right of way: 50
b. The setbacks for Treatment and Storage Units shall be as follows (all distances in feet):
i. Any well with exception of monitoring wells: 100
ii. Any property line: 50
11. The disposal system shall be connected to a rain or moisture sensor that shall indicate when
wastewater application is not appropriate in accordance with Condition 111.4. and III.S. of this permit.
IIL OPERATION AND MAINTENANCE REQUIREMENTS
1. The facilities shall be properly maintained and operated at all times. The facilities shall be effectively
maintained and operated as a non -discharge system to prevent the discharge of any wastewater
resulting from the operation of this facility. The Permittee shall maintain an Operation and
Maintenance Plan pursuant to 15A NCAC 02T .0507 including operational functions, maintenance
schedules, safety measures, and a spill response plaza.
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2. Upon classification of the wastewater treatment and irrigation facilities by the Water Pollution
Control System Operators Certification Commission (WPCSOCC), the Permittee shall designate and
employ a certified operator to be in responsible charge (ORC) and one or more certified operator(s) to
be back-up ORC(s) of the facilities in accordance with 15A NCAC 08G .0200. The ORC shall visit
the facilities in accordance with 15A NCAC 08G .0200 or as specified in this permit and shall comply
with all other conditions specified in these rules.
3. A suitable year round vegetative cover shall be maintained such that crop health is optimized, allows
for even distribution of effluent, and allows inspection of the irrigation system.
4. Adequate measures shall be taken to prevent wastewater ponding or runoff from the irrigation field.
5. Irrigation shall not be performed during inclement weather or when the ground is in a condition that
will cause ponding or runoff.
6. All waste application equipment must be tested and calibrated at least once per permit cycle. Records
of the calibration must be maintained for five years.
7. No type of wastewater other than that from the Town of Bath shall be irrigated onto the irrigation
area.
8. No traffic or equipment shall be allowed on the disposal area except while installation occurs or while
normal maintenance is being performed.
9. Public access to the land application sites shall be controlled during active site use. Such controls
may include the posting of signs showing the activities being conducted at each site.
10. The residuals generated from these treatment facilities must be disposed / utilized in accordance with
15A NCAC 02T .1100. The Permittee shall maintain a residual management plan pursuant to 15A
NCAC 02T .0508.
It. Diversion or bypassing of the untreated wastewater from the treatment facilities is prohibited.
12. Freeboard in the storage lagoon shall not be less than two feet at any time.
13. A waste -level gauge to monitor waste levels in the storage lagoon shall be provided. This gauge shall
have readily visible permanent markings indicating the maximum liquid level at the top of the
temporary liquid storage volume, minimum liquid level at the bottom of the temporary liquid storage
volume, and the lowest point on top of the darn. elevations.
14. A protective vegetative cover shall be established and maintained on all earthen basin embankments
(outside toe of embankment to maximum allowable temporary storage elevation on the inside of the
embankment), berms, pipe runs, erosion control areas, and surface water diversions. Trees, shrubs,
and other woody vegetation shall not be allowed to grow on the earthen basin dikes or embankments.
Earthen basin embankment areas shall be kept mowed or otherwise controlled and accessible.
15. The system shall be operated to prevent bottom solids.accumulations in the storage cell of the existing
treatment lagoon., which could carry over settled solids to the storage lagoon, and shall have no
appreciable accumulations of settled solids in the storage lagoon.
1V. MONITORING AND REPORTING REQUIREMENTS
1. Any monitoring (including groundwater, surface water, soil or plant tissue analyses) deemed
necessary by the Division to ensure surface and ground water protection will be established and an
acceptable sampling reporting schedule shall be followed.
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2. All laboratory analyses for effluent, ground waters, or surface waters shall be made by a laboratory
certified by the Division for the required parameter(s) under 15A NCAC 02H .0800.
3. Flow through the, treatment facility shall be continuously monitored and daily flow values shall be
reported on Form NDMR.
The Permittee shall install and maintain an appropriate flow measurement device consistent with
approved engineering and scientific practices to ensure the accuracy and reliability of flow
measurement. Flow measurement devices selected shall be capable of measuring flows with a
maximum deviation of less than 10 percent from true flow, accurately calibrated at a minimum of
once per year, and maintained to ensure that the accuracy of the measurements is consistent with the
accepted capability of that type of device. The Permittee shall keep records of flow measurement
device calibration on file for a period of at least three years. At a minimum, data to be included in
this documentation shall be:
a. Date of flow measurement device calibration,
b. Name of person performing calibration, and
c. Percent from true flow.
4. The effluent from the subject facilities shall be monitored by the Perinittee at the frequencies and
locations for the parameters specified in Attachment A.
5. The Permittee tracking the amount of wastewater disposed shall maintain adequate records. These
records shall include, but are not necessarily limited to, the following information:
a. Date of irrigation,
b. Volume of wastewater irrigated,
c. Field irrigated,
d. Length of time field is irrigated,
e. Continuous weekly, monthly, and year-to-date hydraulic (inches/acre) loadings for each held,
f. Continuous monthly and year-to-date loadings for any non -hydraulic parameter specifically
limited in Attachment B for each field,
g. Weather conditions, and
h. Maintenance of cover crops.
6. Freeboard (waste level to the lowest elevation on the top of the embankment) in the storage lagoon
shall be recorded weekly.
7. A record shall be maintained of all residuals removed from this facility. This record shall include the
name of the hauler, permit authorizing the disposal or a letter from a municipality agreeing to accept
the residuals, date the residuals were hauled, and volume of residuals removed.
8. A maintenance log shall be maintained at this facility including but not limited to the following items:
a. Visual observations of the plant and plant site.
b. Record of preventative maintenance (i.e., changing of equipment, adjustments, testing,
inspections and cleanings, etc.).
c. Date of calibration of flow measurement device.
9. Monitor wells shall be sampled after construction and within 3 months prior to initiating waste
disposal operations. Monitor wells shall be sampled thereafter at the frequencies and for the
parameters specified in Attachment C. All mqpl)ing, well construction forms well abandonment
forms, and monito. ri m data shall refer to the permit number and the well nomenclature as provided in
Attachment C and Figure 2.
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10. For the initial sampling of the well as specified elsewhere in the permit, the Permittee shall submit a
copy of the GW-1 Form (Well Construction Record) that lists this permit number and the appropriate
monitoring well identification number with the Compliance Monitoring Form (GW-59) for that well.
Initial Compliance Monitoring Forms that do not include copies of the GW-1 form are incomplete
and may be returned to the Permittee without being processed.
11. Two (2) copies of the results of the sampling and analysis must be received on Form GW-59
(Groundwater Quality Monitoring: Compliance Report Form), along with attached copies of
laboratory analyses, by the Division of Water Quality, Information Processing Unit, 1617 Mail
Service Center, Raleigh, North Carolina 27699-1617 on or before the last working day of the month
following the sampling month. Form GW-59 shall include the number of this permit and the
appropriate well identification number. One Form GW-59a certification form shall be provided for
each set of sampling results submitted.
12. Three (3) copies of all monitoring data [as specified in Conditions IV.3. and IVA.] on Form NDMR
for each PPI and three (3) copies of all operation and disposal records [as specified in Conditions iV.5
and TV.6.] on Form NDAR-1 for every field shall be submitted on or before the last day of the
following month. If no activities occurred during the monitoring month, monitoring reports are still
required documenting the absence of the activity. All information shall be submitted to the following
address:
Division of Water Quality
Information Processing Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
13. An annual representative soils analysis (Standard Soil Fertility Analysis) shall be conducted on each
irrigation field 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
Base Saturation (by calculation)
Phosphorus
Cation Exchange Capacity
Exchangeable Sodium Percentage
14. Noncompliance Notification:
The Permittee shall report by telephone to the Washington Regional Office, telephone number (252)
946-6481, 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 at the wastewater treatment facility which results in the treatment of significant
amounts of wastes which are abnormal in quantity or characteristic, such as the dumping of the
contents of a sludge digester; the known passage of a slug of hazardous substance through the
facility; or any other unusual circumstances including ponding in the irrigation field or runoff
from the irrigation fields.
b. Any process unit failure, due to known or unknown reasons, that render the facility incapable of
adequate wastewater treatment such as mechanical or electrical failures of pumps, aerators,
compressors, etc.
c. Any failure of disposal system resulting in a bypass directly to receiving waters.
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d. Any time that self -monitoring information indicates that the facility has gone out of compliance
with its permit limitations including, but not limited to, freeboard measurements, effluent
limitations, exceedances of groundwater standards, or overloading of any field.
For any emergency that requires immediate reporting (e.g., discharges to surface waters, imminent
failure of a storage structure, etc.) outside normal business hours must be reported to the Division's
Emergency Response personnel at telephone number [phone], [phone], or (919) 733-
3300. Persons reporting such occurrences by telephone shall also file a written report in letter form
within five (5) 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.
V. INSPECTIONS
1. Adequate inspection and maintenance shall be provided by the Permittee to ensure proper operation
of the subject facilities.
2. The Permittee or his designee shall inspect the wastewater treatment and disposal 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 keep 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 upon request to the Division or other permitting authority.
3. Any duly authorized officer, employee, or representative of the Division may, upon presentation of
credentials, enter and inspect any property, premises or place on or related to the disposal 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 maintained under the terms and conditions of this permit,
and may obtain samples of groundwater, surface water, or leachate.
VI. GENERAL CONDITIONS
Failure to abide by the conditions and limitations contained in this permit may subject the Permittee
to an enforcement action by the Division in accordance with North Carolina General Statute 143-
215.6A to 143-215.6C.
2. This permit shall become voidable unless the facilities are constructed in accordance with the
conditions of this permit, the approved plans and specifications, and other supporting data.
3. This permit is effective only with respect to the nature and volume of wastes described in the
application and other supporting data. No variances to applicable rules governing the construction
and / or operation of the permitted facilities are granted unless specifically requested and granted in
this permit.
4. The issuance of this permit does not exempt the Pennittee from complying with any and all statutes,
rules, regulations, or ordinances, which may be imposed by other government agencies (local, state,
and federal) that have jurisdiction. Of particular concern to the Division are applicable river buffer
rules in 15A NCAC 02B .0200, erosion and sedimentation control requirements in 15A NCAC
Chapter 4 and under the Division's General Permit NCG010000, and any requirements pertaining to
wetlands under 15A NCAC 02B .0200 and 02H .0500,
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5. In the event there is a desire for the facilities to change ownership, or there is a name change of the
Permittee, a formal permit request must be submitted to the Division on official Division form(s);
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. The
Permittee of record shall remain fully responsible for compliance until a permit is issued to the new
owner.
6. The Permittee shall retain a set of approved plans and specifications for the life of the facilities
permitted herein.
7. The Permittee shall maintain this permit until all permitted facilities herein are properly closed or
permitted under another permit issued by the appropriate permitting authority.
8. The Permittee must pay the annual fee 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
pursuant to 15A NCAC 02T .0105(e).
Permit issued this the 29°' of May, 2009
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
',r Cgleen H4Auflins, Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0002520
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ATTACHMENT A _ LIMITATIONS AND MONITORING REQUIREMENTS
PPf 001 — WWTF Effluent
Permit Number: WQ0002520 Version: 3.0
EFFLUENT CHARACTERISTICS
EFFLUENT LIMITS
MONITORING
REQUIREMENTS
Parameter Description - PCS Code
Monthly Average
Mean Monthly Geometric
Daily Minimum
Daily Maximum
Measurement
Frequency
Sample
Type
Coliform, Fecal MF, M-FC Broth,44.5C - 31616
4 X year
Grab
Nitrogen, Ammonia Total (as N) - 00610
4 X year
Grab
Nitrogen, Nitrate Total (as N) - 00620
4 X year
Grab
Nitrogen, Kjeldahl, Total (as N) - 00625
4 X year
Grab
ROD, 5-Day (20 Deg. C) - 00310
4 X year
Grab
Solids, Total Suspended - 00530
4 X year
Grab
Chloride (as Cl) - 00940
3 X year
Grab
Solids, Total Dissolved- ISO Dcg.0 - 70300
3 X year
Grab
pH - 00400
Per spray event
Grab
Chlorine, Total Residual - 50060
Per spray event
Grab
Flow, in conduit or thru treatment plant - 50050
22,000
gpd
Continuous
Recorder
3 x Year monitoring shall be conducted in March, July & November
4 x Year monitoring shall be conducted in March, June, September & December
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WQ00025iv Version 3.0 Atta,._,,ient A ge 2 of 2

ATTACHMENT B - APPROVED LAND APPLICATION SITES AND LIMITATIONS Permit Number: WQ0002520 Version: 3.0
Town of Bath — Town of Bath Wastewater Spray Irrigation Facility
IRRIGATION AREA INFORMATION
APPLICATION LIMITATIONS
Field
Owner
County
Latitude
Longitude
Net
Acreage
Dominant
Soil Series
Parameter
Hourly
Rate
Yearly
Max
Units
01
Bath Town -Spray Facility WWI'
Beaufort
350 29' 8"
7648' 10"
3.45
At
01284 - Application Surface Irrigation
0.35
20.8
inches
02
Bath Town -Spray Facility W WT
Beaufort
35029- 8"
760 48' 10"
3.29
At
01284 - Application. Surface Irrigation
0.35
20.8
inches
03
Bath Town -Spray Facility W WT
Beaufort
350 29' 8"
760 48' 10"
3.10
At
01284 - Application Surface Irrigation
0.35
20.8
inches
04
Bath Town -Spray Facility W WT
Beaufort
350 29' 8"
760 48' 10"
3.30
At
01284 —Application Surface Irrigation
0.35
20.8
inches
WOODS
Bath 'Gown -Spray Facility WWT
Beaufort
350 29' 8"
760 48' 10"
6.10
To
01284 - Application Surface Irrigation
0.35
20.8
inches
Totals
19.Z4
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WQ00025< ersion 3.0 Attu ent B 'age 2 of

ATTACHMENT C -- GROUNDWATER MONITORING AND LIMITATIONS Permit Number: WQ0002520 Version: 3.0
Monitoring wells: MW-1, MW-2, MW-5, MW-9, MW-10, and MW-11
GROUNDWATER CHARACTERISTICS
GROUNDWATER STANDARDS
MONITORING REQUIREMENTS
Parameter Description - Parameter Code
Daily Maximum
Frequency Measurement
Sample Type
Footnotes
Water level, distance 6•om measuring point - 82546
3 X year
Calculated
1, 2, 3, 7
p1l - 00400
6.5 - 8.5
su
3 X year
Grab
1, 2, 7
Coliform, Fecal MF, M-FC Broth,44.5C - 31616
3 X year
Grab
1.7
Solids. Total Dissolved- 180 Deg.0 - 70300
500
mg/l
3 X year
Grab
1,7
Carbon, Tot Organic (TOC) - 00680
3 X year
Grab
1, 6, 7
Chloride (as Cl) - 00940
250
mg/1
3 X year
Grab
1,7
Nitrogen, Ammonia Total (as N) - 00610
3 X year
Grab
1,7
Nitrogen, Nitrate Total (as N) - 00620
10
mg/1
3 X year
Grab
1.7
Volatile Compounds, (GC/MS) - 78732
Annually
Grab
1.4, 5, 7
I . 3 x Year monitoring shall be conducted in March, July & November; Annual monitoring shall be conducted every November.
2. The measurement of water levels shall be made prior to purging tie wells. The depth to water in each well shall be measured from the surveyed point on the top of the casing. The measurement
of pll shall be made after purging and prior to sampling for the remaining parameters.
3. The measuring points (top of well casing) of all monitoring wells shall be surveyed to provide the relative elevation. of the measuring point for each monitoring well. The measuring points (top
of casing) of all monitoring wells shall be surveyed relative to a common datum.
4. Volatile Organic Compounds (VOC) - In November only, analyze by one of the following methods:
a. Standard Method 6230D, PQL at 0.5 pg/l, or less
b. Standard Method 621013, PQL at 0.5 µg/L or less
C. EPA Method 8021. Low Concentration, PQL at 0.5 pg/L or less
d. EPA Method 8260. Low Concentration, PQL at 05 µg/L or less
e. Another method with prior approval by the Aquifer Protection Section Chief
Any method used must meet the following qualifications:
a. A laboratory must be DWQ certified to run any method used.
b. The method used must, at a minimum, include all the constituents listed in Table VIII of Standard Method 6230D.
C. The method used must provide a PQL of 05 lag/L or less that must be supported by laboratory proficiency studies as required by the DWQ Laboratory Certification Unit. Any constituents
detected above the MDL but below the PQL of 0.5 pg/L trust be qualified (estimated) and reported.
5. If any volatile organic compounds (VOC) are detected as a result of monitoring as provided in Attachment C, then the Washington Regional Office Aquifer Protection Supervisor, telephone
number [phone], must be contacted immediately for further instructions regarding any additional follow-up analyses required.
6. If TOC concentrations greater than 10 mg/I are detected in any downgradient monitoring well, additional sampling and analysis must be conducted to identify the individual constituents
comprising this TOC concentration. If the TOC concentration as measured in the background monitor well exceeds 10 mg/l, this concentration will be taken to represent the naturally occurring
TOC concentration. Any exceedances of this naturally occurring TOC concentration in the downgradient wells sball be subject to the additional sampling and analysis as described above.
7. Monitoring wells shall be reported consistent with the nomenclature and location information provided in Figure 2 and this attachment.
WQ0002520 Version 3.0 Attachment C Page I of l

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