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04/08/2020
Dear Severance Water System Customers,
The Consumer Confidence Report Rule of the Colorado Primary Drinking Water Regulations
states that every public water system is required to distribute an annual Drinking Water Quality
Report to its customers. You would have received the Drinking Water Quality Report for the
Town of Severance water system in the mail around April 1st.
Given that the Town of Severance receives its water from the North Weld County Water
District, the Colorado Department of Public Health and Environment requires the Town of
Severance to distribute the Drinking Water Quality Report for the source water supplier as well.
Normally, these two reports would be distributed together. But due to a miscommunication, the
Drinking Water Quality Report for the North Weld County Water District was not distributed.
Therefore, you are receiving the Drinking Water Quality Report for the North Weld County
water now.
We apologize for any inconvenience this might have caused.
Sincerely,
Public Works Department
The Town of Severance
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NORTH WELD COUNTY WATER DISTRICT 2020 Drinking Water Quality Report
For Calendar Year 2019
Public Water System ID: CO0162553
Esta es informacion importante. Si no la pueden leer, necesitan que alguien se la traduzca.
We are pleased to present to you this year's water quality report. Our constant goal is to provide you with a safe and dependable
supply of drinking water. Please contact ERIC RECKENTINE at 970-356-3020 with any questions about the Drinking Water
Consumer Confidence Rule (CCR) or for public participation opportunities that may affect the water quality.
General Information
Drinking water, including bottled water, may reasonably be
expected to contain at least small amounts of some contaminants.
The presence of contaminants does not necessarily indicate that
water poses a health risk. More information about contaminants
and potential health effects can be obtained by calling the
Environmental Protection Agency's Safe Drinking Water Hotline (1-
800-426-4791) or by visiting epa.gov/ground-water-and-drinking-
water.
Some people may be more vulnerable to contaminants in drinking
water than the general population. Immuno-compromised persons
such as persons with cancer undergoing chemotherapy, persons
who have undergone organ transplants, people with HIV/AIDS or
other immune system disorders, some elderly, and infants can be
particularly at risk from infections. These people should seek
advice about drinking water from their health care providers.
EPA/CDC guidelines on appropriate means to lessen the risk of
infection by Cryptosporidium and other microbial contaminants are
available from the Safe Water Hotline (800-426-4791).
The sources of drinking water (both tap water and bottled water)
include rivers, lakes, streams, ponds, reservoirs, springs, and wells.
As water travels over the surface of the land or through the ground,
it dissolves naturally occurring minerals and, in some cases,
radioactive material, and can pick up substances resulting from the
presence of animals or from human activity.
Contaminants that may be present in source water include:
*Microbial contaminants: viruses and bacteria that may come from
sewage treatment plants, septic systems, agricultural livestock
operations, and wildlife.
*Inorganic contaminants: salts and metals, which can be naturally -
occurring or result from urban storm water runoff, industrial or
domestic wastewater discharges, oil and gas production, mining, or
farming.
* Pesticides and herbicides: may come from a variety of sources,
such as agriculture, urban storm water runoff, and residential uses.
* Radioactive contaminants: can be naturally occurring or be the
result of oil and gas production and mining activities.
•Organic chemical contaminants: including synthetic and volatile
organic chemicals, which are byproducts of industrial processes and
petroleum production, and also may come from gas stations, urban
storm water runoff, and septic systems.
In order to ensure that tap water is safe to drink, the Colorado
Department of Public Health and Environment prescribes
regulations which limit the amount of certain contaminants in
water provided by public water systems. The Food and Drug
Administration regulations establish limits for contaminants in
bottled water that must provide the same protection for public
health.
Lead in Drinking Water
If present, elevated levels of lead can cause serious health
problems, especially for pregnant women and young children. Lead
in drinking water is primarily from materials and components
associated with service lines and home plumbing. Soldier Canyon
Filter Plant is responsible for providing high quality drinking water,
but cannot control the variety of materials used in plumbing
components. When your water has been sitting for several hours,
you can minimize the potential for lead exposure by flushing your
tap for 30 seconds to 2 minutes before using water for drinking or
cooking. If you are concerned about lead in your drinking water,
you may wish to have your water tested. Information on lead in
drinking water, testing methods, and steps you can take to
minimize exposure is available from the Safe Drinking Water
Hotline (800-426-4791) or at http://water.epa.gov/drink/info/lead.
Source Water Assessment and Protection (SWAP)
The Colorado Department of Public Health and Environment may
have provided us with a Source Water Assessment Report for our
water supply. For general information or to obtain a copy of the
report please visit wcicdcompliance.com/ccr. The report is located
under "Guidance: Source Water Assessment Reports". Search the
table using 135718, SOLDIER CANYON FILTER PLANT, or by
contacting ERIC RECKENTINE at 970-301-2806. The Source Water
Assessment Report provides a screening -level evaluation of
potential contamination that could occur. It does not mean that the
contamination has or will occur. We can use this information to
evaluate the need to improve our current water treatment
capabilities and prepare for future contamination threats. This can
help us ensure that quality finished water is delivered to your
homes. In addition, the source water assessment results provide a
starting point for developing a source water protection plan.
Potential sources of contamination in our source water area are
listed on the next page.
Please contact us to learn more about what you can do to help
protect your drinking water sources, any questions about the
Drinking Water Quality Report, to learn more about our system, or
to attend scheduled public meetings. We want you, our valued
customers, to be informed about the services we provide and the
quality water we deliver to you every day.
NORTH WELD COUNTY WD, PWS ID: CO0162553
2020 CCR for 2019 CCR Page 1 of 5
Our Water Sources
Source
Source Type
Water Type
Potential Source(s) of Contamination
PURCHASED FROM FORT COLLINS
CO0135291
CC (CONSECUTIVE
CONNNECTION)
SW (SURFACE
WATER)
Our source water comes from Horsetooth Reservoir and the
Poudre River. Potential sources of contamination in our
source water area may come from: Hazardous waste
generators, chemical inventory/storage sites, toxic release
inventory sites, permitted wastewater discharge sites,
aboveground, underground and leaking storage tank sites,
solid waste sites, existing/abandoned mine sites, other
facilities, commercial/industrial & transportation, low intensity
residential, urban recreational grasses, row crops, fallow,
pasture/hay, deciduous forest, evergreen forest, mixed forest,
septic systems, oil/gas wells, road miles.
PURCHASED FROM GREELEY
CO0162321
CC
SW
PURCHASED FROM
SOLDIER CANYON FILTER PLANT
(SCFP) CO0135718 SW
CC
SW
Terms and Abbreviations
• Maximum Contaminant Level (MCL) - The highest level of a contaminant allowed in drinking water.
• Treatment Technique (1T) - A required process intended to reduce the level of a contaminant in drinking water.
• Heath -Based - A violation of either a MCL or TT.
• Non -Health -Based - A violation that is not a MCL or TT.
• Action Level (AL) - The concentration of a contaminant which, if exceeded, triggers treatment and other regulatory requirements.
• Maximum Residual Disinfectant Level (MRDL) - The highest level of a disinfectant allowed in drinking water. There is convincing
evidence that addition of a disinfectant is necessary for control of microbial contaminants.
• Maximum Contaminant Level Goal (MCLG) - The level of a contaminant in drinking water below which there is no known or
expected risk to health. MCLGs allow for a margin of safety.
• Maximum Residual Disinfectant Level Goal (MRDLG) - The level of a drinking water disinfectant, below which there is no known
or expected risk to health. MRDLGs do not reflect the benefits of the use of disinfectants to control microbial contaminants.
• Violation (No Abbreviation) - Failure to meet a Colorado Primary Drinking Water Regulation.
• Formal Enforcement Action (No Abbreviation) - Escalated action taken by the State (due to the risk to public health, or number
or severity of violations) to bring a non -compliant water system back into compliance.
• Variance and Exemptions (VIE) - Department permission not to meet a MCL or treatment technique under certain conditions.
• Grass Alpha (No Abbreviation) - Gross alpha particle activity compliance value. It includes radium -226, but excludes radon 222,
and uranium.
• Picocuries per liter (pci/L) - Measure of the radioactivity in water.
• Nephelometric Turbidity Unit (NTU) - Measure of the clarity or cloudiness of water. Turbidity in excess of 5 NTU is just noticeable
to the typical person.
• Compliance Value (No Abbreviation) -Single or calculated value used to determine if regulatory contaminant level (e.g. MCL) is
met. Examples of calculated values are the 90th Percentile, Running Annual Average (RAA) and Locational Running Annual Average
(LRAA).
• Average (x -bar) - Typical value.
• Range (R) - Lowest value to the highest value.
• Sample Size (n) - Number or count of values (i.e. number of water samples collected).
• Parts per million = Milligrams per liter (ppm = mg/L) - One part per million corresponds to one minute in two years or a single
penny in $10,000.
• Parts per billion = Micrograms per liter (ppb = ug/L) - One part per billion corresponds to one minute in 2,000 years, or a single
penny in $10,000,000.
• Not Applicable (N/A) — Does not apply or not available.
• Level 1 Assessment — A study of the water system to identify potential problems and determine (if possible) why total coliform
bacteria have been found in our water system.
• Level 2 Assessment — A very detailed study of the water system to identify potential problems and determine (if possible) why an
E. coli MCL violation has occurred and/or why total coliform bacteria have been found in our water system on multiple occasions.
NORTH WELD COUNTY WD, PWS ID: CO0162553 2020 CCR for 2019 CCR Page 2 of 5
Detected Contaminants
NORTH WELD COUNTY WATER DISTRICT routinely monitors for contaminants in your drinking water according to Federal and State laws.
The following table(s) show all detections found in the period of January 1 to December 31, 2019 unless otherwise noted. The State of
Colorado requires us to monitor for certain contaminants less than once per year because the concentrations of these contaminants are
not expected to vary significantly from year to year, or the system is not considered vulnerable to this type of contamination. Therefore,
some of our data, though representative, may be more than one year old. Violations and Formal Enforcement Actions, if any, are
reported in the next section of this report.
Note: Only detected contaminants sampled within the last 5 years appear in this report. If no tables appear in this section then no
contaminants were detected in the last round of monitoring.
Microorganism Contaminants Sampled in the Distribution System
Contaminant
Name
Time
Period
Results
Sample
Size
MCL
MCLG
MCL
Violation
Typical Sources
Coliform
(TCR)
January-
December
0 Positive
Samples
120
No more than 1 positive sample per
period (if sample size is less than 40)
0
No
Naturally present
in the
environment
Disinfection Byproducts Sampled in the Distribution System
Name
Year
Average
Range
Low — High
Sample
Size
Unit of
Measure
MCL
MCLG
MCL
Violation
Typical Sources
Total Haloacetic Acids
(HAAS)
2019
25.27
18.9 to 35
16
ppb
60
N/A
No
Byproduct of
drinking water
disinfection
Total Trihalomethanes
(TTHM)
2019
31.38
21 to 47.2
24
ppb
80
N/A
No
Byproduct of
drinking water
disinfection
Total Organic Carbon (Disinfection Byproducts Precursor) Removal Ratio of Raw and Finished Water
Contaminant Name
Year
Average
Range
Low — High
Sample
Size
Unit of
Measure
TT Minimum
Ratio
TT
Violation
Typical Sources
Total Organic Carbon
Ratio
SCFP
2019
1.23
1.08 to 1.47
13
Ratio
1.00
No
Naturally present in
the environment
FORT COLLINS
2019
1.33
1.23 to 1.48
12
Ratio
1.00
No
GREELEY
2019
1.16
0.87 to 1.51
18
Ratio
1.00
No
*If minimum ratio not met and no violation identified then the system achieved compliance using alternative criteria.
Summary of Turbidity Sampled at the Entry Point to the Distribution System
Contaminant
Name
Sample Date
Level Found
TT Requirement
TT
Violation
Typical
Sources
Turbidity
SCFP
Date/Month:
April 30 2019
Highest single measurement:
Maximum 1.0 NTU for any
single measurement
No
Soil
Runoff
0.268 NTU
FORT COLLINS
Date/Month: March
Highest single measurement:
No
0.11 NTU
GREELEY
Date/Month:
May
Highest single measurement:
No
0.26 NTU
Turbidity
SCFP
Month: All 12 months
Lowest monthly percentage of
In any month, at least 95%
of samples must be less
than 0.3 NTU
No
Soil
Runoff
FORT COLLINS
Month: All 12 monthsNo
samples meeting TT requirement
for our technology: 100 %
GREELEY
Month: December
No
Turbidity has no health effects. However, turbidity can interfere with disinfection and provide a medium for microbial growth.
NORTH WELD COUNTY WD, PWS ID: CO0162553
2020 CCR for 2019 CCR Page 3 of 5
Inorganic Contaminants Sampled at the Entry Point to the Distribution System
Contaminant
Name
Year
Average
Range
Low — High
Sample
Size
Unit of
Measure
MCL
MCLG
MCL
Violation
Typical Sources
Barium
SCFP
2019
0.01
0.01 to 0.01
1
ppm
2.0
2.0
No
Erosion of natural deposits;
Discharge of drilling wastes;
Discharge from metal
refineries.
FORT COLLINS
2019
0.02
1
ppm
2.0
2.0
No
GREELEY
2019
0.04
0.02 to 0.07
2
ppm
2.0
2.0
No
Fluoride
SCFP
2019
0.62
0.62 to 0.62
1
ppm
4.0
4.0
No
Erosion of natural deposits;
water additive which
promotes strong teeth;
discharge from fertilizer and
aluminum factories.
FORT COLLINS
2019
0.68
2
ppm
4.0
4.0
No
GREELEY
2019
0.64
0.61 to 0.67
2
ppm
4.0
4.0
No
Nitrate
SCFP
2019
0.07
0.07 to 0.07
1
ppm
10.0
10.0
No
Runoff from fertilizer use;
leaching from septic tanks,
sewage; erosion of natural
deposits
FORT COLLINS
2019
0.05
1
ppm
10.0
10.0
No
GREELEY
2019
0.01
0 to 0.03
2
ppm
10.0
10.0
No
Selenium
GREELEY
2019
0.55
0 to 1.1
2
ppb
50
50
No
Discharge from petroleum
and metal refineries; erosion
of natural deposits;
discharge from mines
SCFP Sodium
2019
11.4
11.4 to 11.4
1
ppm
N/A
GREELEY
2019
22.85
9.9 to 35.8
2
ppm
Disinfectants Sampled in the Distribution System
TT Requirement At least 95% of samples per period (month or quarter) must be at least 0.2 ppm OR
If sample size is less than 40 no more than 1 sample is below 0.2 ppm
Typical Sources: Water additive used to control microbes
Contaminant
Name
Time Period
Results
Number of Samples
Below Level
Sample
Size
TT
Violation
MRDL
Chlorine
December, 2019
Lowest period percentage of samples
0
10
No
4.0 ppm
meeting TT requirement: 100%
Disinfectants Sampled at the Entry Point to the Distribution System
Contaminant
Name
Year
Average
Range
Low-
High
Number
of
Samples
Above or
Below
Level
Sample Size
Unit of
Measure
TT/MRDL
Requirement
TT/MRDL
Violation
Typical
Sources
Chlorine
SCFP
2019
1.24
1.08 to
1.42
0
2189
ppm
TT = No more
than 4 hours
with a sample
below 0.2 ppm
MRDL = 4.0 ppm
No
Water
Additive
used to
control
microbes
Chlorine
Dioxide
SCFP
2019
0.00
0 to 0
365
ppm
MRDL = 0.8
MRDLG = 0.8
No
Water
Additive
used to
control
microbes
NORTH WELD COUNTY WD, PWS ID: CO0162553
2020 CCR for 2019 CCR Page 4 of 5
Disinfection Byproducts Sampled at the Entry Point
Name
Year
Average
Range
Low — High
Sample
Size
Unit of
Measure
MCL
MCLG
MCL
Violation
Typical Sources
Chlorite
SCFP
2019
0.47
0.29 to
0 75
365
ppm
1.0
0.8
No
Byproduct of drinking water
disinfection
Disinfection Byproducts Sampled in the Distribution System
Name
Year
Average
Range
Low — High
Sample
Size
Unit of
Measure
MCL
MCLG
MCL
Violation
Typical Sources
Chlorite
2019
0.47
0.41 to
0.52
12
ppb
1.0
0.8
No
Byproduct of drinking water
disinfection
Lead and Copper Sampled in the Distribution System
Contaminant
Time Period
90th
Sample
Unit of
90th
Sample
90th
Typical Sources
Name
Percentile
Size
Measure
Percentile
Sites
Percentile
AL
Above AL
AL
Exceedance
07/02/2019
Corrosion of
Copper
to
07/16/2019
0.26
31
ppm
1.3
0
No
household plumbing
systems; Erosion of
natural deposits
07/02/2019
Corrosion of
Lead
to
07/16/2019
3.8
31
ppb
15.0
1
No
household plumbing
systems; Erosion of
natural deposits
Unregulated Contaminate Monitoring Rule 3 (UCMR3)
Under the 1996 amendments to the federal Safe Drinking Water Act, the U.S. Environmental Protection Agency is required once every five years to issue a
new list of up to 30 unregulated contaminants for which public water systems must monitor. The intent of this rule is to provide baseline occurrence data
that the EPA can combine with toxicological research to makedecisions about potential future drinking water regulations.
North Weld County Water District is required to sample at the entry point into our distribution system and at the maximum residence time in our
distribution system for a total of 21 unregulated contaminants. Of the 21 unregulated contaminates sampled for, there were only four (4) that were
detected.
Contaminant
Name
Year
Range of Results
Average
Unit of
Measure
Violation?
Typical Sources
Chlorate
2013
36 to 71
54
ppb
No
Byproduct of drinking water
disinfection
Strontium
2013
43 to 45
44
ppb
No
Naturally occurring element
Vanadium
2013
0 to 0.2
0.1
ppb
No
Naturally occurring element
Hexavalent
Chromium
2013
0.04 to 0.09
0.06
ppb
No
Naturally occurring metal
Violations, Significant Deficiencies, and Formal Enforcement Actions
No Violations or Formal Enforcement Actions
NORTH WELD COUNTY WD, PWS ID: CO0162553 2020 CCR for 2019 CCR Page 5 of 5
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