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ALL SRCES CANYON CANYON ALL SRCES CANYON CANYON ALL SRCES CANYON CANYON ALL SRCES CANYON CANYON
M-43 A-1 A-2 A-3 A-4 ASP-1 E-521 M-2 M-3 T-23 M-53 M-6
M-321 M-71 T-14 M-197 M-585 M-308 M-636 M-397 M-700 ASP-36 T-97A M-192
NORTHROP GRUMMAN PROMONTORY PLANT UTAH 02032
2021 BACTERIALOGICAL MONTHLY SAMPLING SITES
1
NORTHROP GRUMMAN CHLORINE RESIDUAL REPORT
PROMONTORY PLANT 2021 2021 SAMPLING CONTROL SHEET
2021
JAN JAN JAN JAN FEB FEB FEB FEB MAR MAR MAR MAR MAR APR APR APR APR MAY MAY MAY MAY MAY JUN JUN JUN JUN JUL JUL JUL JUL AUG AUG AUG AUG AUG SEP SEP SEP SEP OCT OCT OCT OCT NOV NOV NOV NOV NOV DEC DEC DEC DEC
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M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130 M-130
M-3 A-1 A-2 A-3 A-4 M-3 A-1 A-2 A-3 A-4 M-3 A-1 A-2 A-3 A-4 M-3 A-1 A-2 A-3 A-4 M-3 A-1 A-2 A-3 A-4 M-3 A-1 A-2 A-3 A-4 M-3 A-1 A-2 A-3 A-4 M-3 A-1 A-2 A-3 A-4 M-3 A-1 A-2 A-3 A-4 M-3 A-1 A-2 A-3 A-4 M-3 A-1
M-52A M-79 M-113 M-2 M-16 M-43 M-52A M-79 M-113 M-2 M-16 M-43 M-52A M-79 M-113 M-2 M-16 M-43 M-52A M-79 M-113 M-2 M-16 M-43 M-52A M-79 M-113 M-2 M-16 M-43 M-52A M-79 M-113 M-2 M-16 M-43 M-52A M-79 M-113 M-2 M-16 M-43 M-52A M-79 M-113 M-2 M-16 M-43 M-52A M-79 M-113 M-2
M-55 I-5 I-10 M-6 M-9 M-53 M-55 I-5 I-10 M-6 M-9 M-53 M-55 I-5 I-10 M-6 M-9 M-53 M-55 I-5 I-10 M-6 M-9 M-53 M-55 I-5 I-10 M-6 M-9 M-53 M-55 I-5 I-10 M-6 M-9 M-53 M-55 I-5 I-10 M-6 M-9 M-53 M-55 I-5 I-10 M-6 M-9 M-53 M-55 I-5 I-10 M-6
M-115A M-26 M-33 M-174 ASP-1 ASP-4 ASP-36 M-115A M-26 M-33 M-174 ASP-1 ASP-4 ASP-36 M-115A M-26 M-33 M-174 ASP-1 ASP-4 ASP-36 M-115A M-26 M-33 M-174 ASP-1 ASP-4 ASP-36 M-115A M-26 M-33 M-174 ASP-1 ASP-4 ASP-36 M-115A M-26 M-33 M-174 ASP-1 ASP-4 ASP-36 M-115A M-26 M-33 M-174 ASP-1 ASP-4 ASP-36 M-115A M-26 M-33
M-85 M-197 M-397 M-72 M-85 M-197 M-397 M-72 M-85 M-197 M-397 M-72 M-85 M-197 M-397 M-72 M-85 M-197 M-397 M-72 M-85 M-197 M-397 M-72 M-85 M-197 M-397 M-72 M-85 M-197 M-397 M-72 M-85 M-197 M-397 M-72 M-85 M-197 M-397 M-72 M-85 M-197 M-397 M-72 M-85 M-197 M-397 M-72 M-85 M-197 M-397 M-72
T-97A T-111 T-1 T-14 T-23 T-24A T-94 T-97A T-111 T-1 T-14 T-23 T-24A T-94 T-97A T-111 T-1 T-14 T-23 T-24A T-94 T-97A T-111 T-1 T-14 T-23 T-24A T-94 T-97A T-111 T-1 T-14 T-23 T-24A T-94 T-97A T-111 T-1 T-14 T-23 T-24A T-94 T-97A T-111 T-1 T-14 T-23 T-24A T-94 T-97A T-111 T-1
E-521 M-508 M-576 E-515 E-517 E-521 M-508 M-576 E-515 E-517 E-521 M-508 M-576 E-515 E-517 E-521 M-508 M-576 E-515 E-517 E-521 M-508 M-576 E-515 E-517 E-521 M-508 M-576 E-515 E-517 E-521 M-508 M-576 E-515 E-517 E-521 M-508 M-576 E-515 E-517 E-521 M-508 M-576 E-515 E-517 E-521 M-508 M-576 E-515 E-517 E-521 M-508
M-580 M-585 M-606 M-636 M-643 M-580 M-585 M-606 M-636 M-643 M-580 M-585 M-606 M-636 M-643 M-580 M-585 M-606 M-636 M-643 M-580 M-585 M-606 M-636 M-643 M-580 M-585 M-606 M-636 M-643 M-580 M-585 M-606 M-636 M-643 M-580 M-585 M-606 M-636 M-643 M-580 M-585 M-606 M-636 M-643 M-580 M-585 M-606 M-636 M-643 M-580 M-585
M-345 M-700 M-192 M-321 M-345 M-700 M-192 M-321 M-345 M-700 M-192 M-321 M-345 M-700 M-192 M-321 M-345 M-700 M-192 M-321 M-345 M-700 M-192 M-321 M-345 M-700 M-192 M-321 M-345 M-700 M-192 M-321 M-345 M-700 M-192 M-321 M-345 M-700 M-192 M-321 M-345 M-700 M-192 M-321 M-345 M-700 M-192 M-321 M-345 M-700 M-192 M-321
CHLORINE RESIDUAL TESTINGCHLORINE RESIDUAL TESTING CHLORINE RESIDUAL TESTINGCHLORINE RESIDUAL TESTING
20212021
1
NORTHROP GRUMMAN PROMONTORY PLANT
DRINKING WATER SYSTEM
BACTERIAL SAMPLE PLAN
UTAH WATER SYSTEM NUMBER
UTAH02032
9160 NORTH HIGHWAY 83
PROMONTORY, UTAH 84307
FEBRUARY 2021
NORTHROP GRUMMAN PROMONTORY PLANT
DRINKING WATER SYSTEM
BACTERIAL SAMPLE PLAN
INTRODUCTION
The Northrop Grumman Promontory Plant drinking water system is classified as a public, non-
transient non-community drinking water system. It is identified as Utah Public Drinking Water
System number UTAH02032.
Public drinking water systems are governed by the federal Safe Drinking Water Act, 40 CFR 141,
which empowers the US EPA to adopt and enforce rules that must be met by each public drinking
water system in the nation, and by the State of Utah Safe Drinking Water Act, Title 19, Chapter 4
of the Utah code, which empowers the State Department of Environmental Quality to adopt and
enforce rules that must be met by each public drinking water system in the state.
The rules adopted by the State of Utah under this act are found in the Utah Administrative Rules,
R-309 - Drinking Water. These rules cover administration; general responsibilities; drinking
water standards; quality monitoring of sources, distribution systems, and treatment plants; public
notification requirements; operator certification; backflow technician certification; capacity
development; rating criteria; compliance and enforcement; facility design and operation; sizing;
source development; disinfection; pump stations, storage tanks and pipelines; and source
protection.
CERTIFIED OPERATORS
Operators. The operators for the Northrop Grumman Promontory Plant drinking water system
are or will be certified by the State of Utah as Water Distribution Operators. Their certification
levels are as follows:
TITLE NAME CERTIFICATION LICENSE
Drinking Water System Manager Blair Palmer Level 4 TBD
Water Master James Jensen Level 2 141178
Back-up Water Master Wayne Eskelson Level 2 15677
Liaison Rick Seamons, PE Level 4 141185
WATER SYSTEM DISCRIPTION
General: The drinking water system will provide a sufficient quantity of potable water, meeting
all drinking water quality standards, to supply the needs of the North Plant, South Plant, Test
Area, Autoliv Plant, and Promontory Ranches. It currently provides culinary water for
approximately 2000 employees and contractors, water for plant operations, as wells as lawn
sprinkling and livestock watering. The system shall be operated in compliance with this plan and
the Orbital ATK Drinking Water System Operations and Maintenance Manual at all times.
Capacity: The system has adequate capacity to meet current demand and substantial future
growth. There is a maximum combined legal water right of 3,373 gallons per minute (gpm) and
up to 393 million gallons per year. The combined total capacity of the wells and springs that are
connected to the system is 3030 gpm, and the maximum capacity of the transmission system is
1300 gpm. The current peak usage (excluding water use for system flushing or fire fighting) is
585 gpm, and the annual average usage is 450 gpm. The present population and operations usage
level is expected to remain stable or increase slightly over time, but not exceed historical levels in
the foreseeable future.
Water Quality: Water quality is sampled and tested in accordance with the Public Water Supply
Information System report published by the Utah Division of Drinking Water (DDW). This
report is based on the drinking water system quality standards found in R309, including
extensions of time intervals that have been granted to the system because of waivers obtained
from the DDW. The water sources and distribution system are tested periodically in accordance
with these requirements. The results of previous tests have shown that each water source and the
overall distribution system are well within the required drinking water quality standards.
System Description: The system includes six wells and three springs, with four wells at
Promontory including the Sandall Well and wells #9, #11 and #12, and two wells north of the
plant including the Howell and Blue Creek wells. The three springs connected to the system are,
Maple Spring at Promontory, and two Canyon Springs in the canyon east of the South Plant.
There are six booster pump stations to pump water through the transmission lines and into the
storage tanks. There are three storage tanks located at a sufficient elevation to gravity feed the
system, with a total capacity of 3,200,000 gallons. There are also four surge tanks with a total
capacity of 420,000 gallons.
Sources. Canyon Springs (32 gpm average flow) were purchased with the original plant in 1956,
but they do not have sufficient capacity to supply the plant's water consumption requirements. In
order to increase the system capacity, Maple Spring (62 gpm average flow) was purchased in
1959. In 1960, Well 9 (180 gpm), Well 11 (600 gpm) and Well 12 (125 gpm) were drilled at
Promontory, Sandall Well (750 gpm) was leased, storage tanks were constructed and a
transmission line was constructed from Promontory to the plant. Howell Well was purchased in
1959, but since it lacked adequate capacity to handle the projected plant demand, it was held in
reserve and not connected to the system until 1977. It was connected to the system by a
transmission line that is entirely independent of the Promontory transmission line. Following five
years of being leased, the Sandall Well was purchased in 1965. The Blue Creek Well was
purchased in 1982, and it was connected to the Howell transmission line in 1989.
BACTERIAL SITE PLAN
The drinking water system bacterial site plan shall be operated in accordance with this plan.
General requirements. An acceptable level of water quality is vital to the Promontory plant.
The water quality monitoring requirements are found in R-309. The State DDW publishes and
periodically updates a “Public Water System Master Report” for each public water system in the
state. The Orbital ATK Promontory Plant’s public drinking water system ID is UTAH02032".
This report includes a schedule of sampling and monitoring requirements, including types of
samples required, when the last samples were taken, when the next samples are due, sampling
frequency, waivers issued, and information on any violations. It also includes information on the
system including a list of water sources, storage tanks, treatment plants, pumping stations, etc.
Disinfection. Calcium Chlorite tablets are used to disinfect the drinking water. Water from the
Promontory area is chlorinated at T-60. Water from the north sources (Howell and Blue Creek) is
chlorinated at M-696. Water from Canyon Springs is chlorinated by comingling with chlorinated
water in the M-131 water tank. The chlorination stations must be monitored a minimum of three
times per week, and records kept of the volume of water treated and the volume of chlorine used
each time the stations are monitored. A quarterly report must be submitted to the State DDW
documenting the treatment at the disinfection stations along with any disinfection byproducts
testing results during the quarter.
Routine Samples. Various types of samples are collected from various locations in the system,
with locations based on sampling plans that are developed and maintained by the Water System
Manager. Sampling plans are required by the state to assure that the sampling is rotated
throughout all parts of the system. Samples are normally collected by the Water Master.
Sample Plan Locations. The water system has been broken up in nine (9) different sample areas
over three main plant locations. The plant locations are South Plant (including the Administration
and Autoliv areas), Test Area and North Plant. All locations are deemed Tier 1 collection sites.
South Plant. South Plant sample locations are broken up into five areas, administration,
central north, central south, north/Autoliv and south.
Administration area includes buildings:
A-1, A-2, A-3, A-4 and M-3.
Central north area includes buildings:
M-79, M-113, M-2, M-16, M-43 and M-52A.
Central south area includes buildings:
M-6, M-9, M-53, M-55, I-5 and I-10.
North/Autoliv area includes buildings:
M-130, M-115A, M-26, M-174, M-33, ASP-1, ASP-4 and ASP-36.
South area includes buildings:
M-197, M-397, M-72 and M-85.
Test Area. Test Area includes buildings:
T-1, T-14, T-23, T-24A, T-94, T-97A and T-111.
North Plant. North Plant sample locations are broken up into three areas, north, east and
west.
North area includes buildings:
M-508, M-576, E-515, E-517 and E-521.
East area includes buildings:
M-585, M-606, M-636, M-643 and M-580.
West area includes buildings:
M-700, M-192, M-321 and M-345.
Testing. Samples are submitted to state certified testing labs for testing. The Northrop Grumman
in-house lab, located in Building M-53, is certified for many of the required tests. It is used to
test for nitrates, lead and copper, and inorganics and metals. The Chemtech-Ford testing lab is
used to test for bacteria, disinfection by-products, VOCs, and pesticides. Sampling test results for
routine samples are normally submitted directly to the State DDW by the testing labs, with copies
forwarded to the Water System Manager.
Routine Bacteriological Testing. A minimum of two routine bacteriological samples are
required monthly from locations identified on the sampling plans. These locations are determined
in sequential order throughout the year. (See the Sample Plan Locations section for the nine
sample areas and their corresponding building locations.)
Chlorine Residual Testing. Weekly chlorine residual samples are required throughout the
system in accordance with the sampling plans. Chlorine residuals are also required at the time
and location of each routine bacteriological sample. The DDW Compliance Section is willing to
overlook an occasional week that is missed due to the absence of the Water Master, so long as
there are at least 12 samples taken per month. In accordance with the sampling plan, nine
chlorine residual samples are taken from the distribution system per week. These sample
locations are taken from each of the nine sample areas in the plant. The samples are taken in
sequential order throughout the year. Chlorine residual tests are also taken from the M-130 water
tank weekly. (See the Sample Plan Locations section for the nine sample areas and their
corresponding building locations.)
Investigative Testing. In addition to these mandatory tests, investigative bacteriological samples
are taken monthly from Canyon Springs and quarterly from each source, and the chloride level of
each source is tested once per month. The chloride samples are not required by the state, but are
used to monitor the sources for saltwater intrusion. The boiler operators test the chloride samples.
Waivers. Because of consistently low levels of contaminants in the water sources, waivers have
been granted by the state to reduce the testing frequency for some contaminants. These waivers
are reflected in the Public Water Supply Information System summary provided by the state.
AUTOLIV
TEST AREA
NORTH PLANT
SOUTH PLANT
ADMIN.
PLANT 3
To Brigham City
To Tremonton
To Promontory
Brigham City, Utah 84302
P.O. Box 707 ms UT40-552
FACILITIES ENGINEERING
PROPULSION SYSTEMS
FLIGHT SYSTEMS GROUP
Brigham City, Utah 84302
P.O. Box 707 ms UT40-552
FACILITIES ENGINEERING
PROPULSION SYSTEMS
FLIGHT SYSTEMS GROUP
Brigham City, Utah 84302
P.O. Box 707 ms UT40-552
FACILITIES ENGINEERING
PROPULSION SYSTEMS
FLIGHT SYSTEMS GROUP
Brigham City, Utah 84302
P.O. Box 707 ms UT40-552
FACILITIES ENGINEERING
PROPULSION SYSTEMS
FLIGHT SYSTEMS GROUP
Brigham City, Utah 84302
P.O. Box 707 ms UT40-552
FACILITIES ENGINEERING
PROPULSION SYSTEMS
FLIGHT SYSTEMS GROUP
Brigham City, Utah 84302
P.O. Box 707 ms UT40-552
FACILITIES ENGINEERING
PROPULSION SYSTEMS
FLIGHT SYSTEMS GROUP
Brigham City, Utah 84302
P.O. Box 707 ms UT40-552
FACILITIES ENGINEERING
PROPULSION SYSTEMS
FLIGHT SYSTEMS GROUP