Water Quality CCR Report - Washington City Utah

Annual Drinking Water Quality Report

Washington City -2018

We're pleased to present to you this year's Annual Drinking Water Quality Report. This report is designed to inform you about the quality of the water and services we deliver to you every day. Our constant goal is to provide you with a safe and dependable supply of drinking water. We want you to understand the efforts we make to continually improve the water treatment process and protect our water resources. We are committed to ensuring the quality of your water. Our water sources have been determined to be from groundwater and surface water sources.

The Drinking Water Source Protection Plan for Washington City is available for your review. It contains information about source protection zones, potential contamination sources and management strategies to protect our drinking water. Our sources have been determined to have a lowlevel of susceptibility from potential contamination. We have also developed management strategies to further protect our sources from contamination. Please contact us if you have questions or concerns about our source protection plan.

There are many connections to our water distribution system. When connections are properly installed and maintained, the concerns are very minimal. However, unapproved and improper piping changes or connections can adversely affect not only the availability, but also the quality of the water. A cross connection may let polluted water or even chemicals mingle into the water supply system when not properly protected. This not only compromises the water quality but can also affect your health. So, what can you do? Do not make or allow improper connections at your homes. Even that unprotected garden hose lying in the puddle next to the driveway is a cross connection. The unprotected lawn sprinkler system after you have fertilized or sprayed is also a cross connection. When the cross connection is allowed to exist at your home, it will affect you and your family first. If youd like to learn more about helping to protect the quality of our water, call us for further information about ways you can help.

I'm pleased to report that our drinking water meets federal and state requirements.

If you have any questions about this report or concerning your water utility, please contact Lester Dalton435-656-6317.We want our valued customers to be informed about their water utility. If you want to learn more, please attend any of our regularly scheduled meetings. They are held on the secondand fourth Wednesday of each month at 6:00 pm.

Washington Cityroutinely monitors for constituents in our drinking water in accordance with the Federal and Utah State laws. The following table shows the results of our monitoring for the period of January 1stto December 31st, 2018. All drinking water, including bottled drinking water, may be reasonably expected to contain at least small amounts of some constituents. It's important to remember that the presence of these constituents does not necessarily pose a health risk.

In the following table you will find many terms and abbreviations you might not be familiar with. To help you better understand these terms we've provided the following definitions:

Non-Detects (ND)- laboratory analysis indicates that the constituent is not present.

ND/Low - High-For water systems that have multiple sources of water, the Utah Division of Drinking Water has given water systems the option of listing the test results of the constituents in one table, instead of multiple tables. To accomplish this, the lowest and highest values detected in the multiple sources are recorded in the same space in the report table.

Parts per million (ppm) or Milligrams per liter (mg/l)- one part per million corresponds to one minute in two years or a single penny in $10,000.

Parts per billion (ppb) or Micrograms per liter (ug/l)- one part per billion corresponds to one minute in 2,000 years, or a single penny in $10,000,000.

Parts per trillion (ppt) or Nanograms per liter (nanograms/l)- one part per trillion corresponds to one minute in 2,000,000 years, or a single penny in $10,000,000,000.

Picocuries per liter (pCi/L)- picocuries per liter is a measure of the radioactivity in water.

Nephelometric Turbidity Unit (NTU)- nephelometric turbidity unit is a measure of the clarity of water. Turbidity in excess of 5 NTU is just noticeable to the average person.

Action Level (AL)- the concentration of a contaminant which, if exceeded, triggers treatment or other requirements which a water system must follow.

Treatment Technique (TT)- A treatment technique is a required process intended to reduce the level of a contaminant in drinking water.

Maximum Contaminant Level (MCL)- The Maximum Allowed (MCL) is the highest level of a contaminant that is allowed in drinking water. MCLs are set as close to the MCLGs as feasible using the best available treatment technology.

Maximum Contaminant Level Goal (MCLG)- The Goal(MCLG) is 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 (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 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.

Date- Because of required sampling time frames i.e. yearly, 3 years, 4 years and 6 years, sampling dates may seem out-dated.

TEST RESULTS

Contaminant

Violation

Y/N

Level

Detected

ND/Low-High

Unit

Measurement

MCLG

MCL

Date Sampled

Likely Source of Contamination

Microbiological Contaminants

Total Coliform Bacteria

N

ND

N/A

0

Presence of coliform bacteria in 5% of monthly samples

2018

Naturally present in the environment

E.coli

N

ND

N/A

0

If a routine sample and repeat sample are total coliform positive, and one is also fecal coliform or E. colipositive

2018

Human and animal fecal waste

Turbidity for Surface Water

N

0.110

0.05

NTU
N/A

0.5 in at least 95% of the samples and must never exceed 5.0

2018

Soil Runoff

(highest single measurement & the lowest monthly percentage of samples meeting the turbidity limits)

Inorganic Contaminants

Arsenic

N

ND-7

ppb

0

10

2017

Erosion of natural deposits; runoff from orchards; runoff from glass and electronics production wastes

Barium

N

ND-1

ppm

20

20

2017

Discharge of drilling wastes; discharge from metal refineries; erosion of natural deposits

Carbon, Total Organic (TOC)

N

1-2

ppm

NA

TT

2015

Naturally present in the environment

Copper

  1. 90% results
  2. # of sites that exceed the AL

N

a. 0.093

b. 0

ppm

1.3

AL=1.3

2016

Corrosion of household plumbing systems; erosion of natural deposits

Fluoride

N

0.2

ppm

4

4

2016

Erosion of natural deposits; water additive which promotes strong teeth; discharge from fertilizer and aluminum factories

Lead

  1. 90% results
  2. # of sites that exceed the AL

N

a. ND-14

b. 2

ppb

0

AL=15

2016

Corrosion of household plumbing systems, erosion of natural deposits

Nitrate (as Nitrogen)

N

ND-0.3

Ppm

10

10

2018

Runoff from fertilizer use; leaching from septic tanks, sewage; erosion of natural deposits

Selenium

N

2

ppb

50

2016

Discharge from petroleum and metal refineries; erosion of natural deposits; discharge from mines

Sodium

N

8-55

ppb

500

None set by EPA

2016

Erosion of natural deposits; discharge from refineries and factories; runoff from landfills.

Sulfate

N

88

ppm

1000

1000

2016

Erosion of natural deposits; discharge from refineries and factories; runoff from landfills, runoff from cropland

TDS (Total Dissolved solids)

N

300

ppm

2000

2000

2016

Erosion of natural deposits

Disinfection By-products

TTHM [Total trihalomethanes]

N

ND-30.3

ppb

0

80

2018

By-product of drinking water disinfection

Haloacetic Acids

N

ND-13.1

ppb

0

60

2018

By-product of drinking water disinfection

Chlorine

N

500

ppb

4000

4000

2018

Water additive used to control microbes

Radioactive Contaminants

Alpha emitters

N

2-4

pCi/l

0

15

2015

Erosion of natural deposits

Combined

N

ND-1.01

pCi/l

0

5

2015

Erosion of natural deposits

Radium 226

N

ND-0.34

pCi/l

0

5

2015

Erosion of natural deposits

Radium 228

N

0.67

pCi/l

0

5

2015

Erosion of natural deposits

Washington City purchases some of its water from the Washington County Water Conservancy District. The results in the table below are from this water.

Quail Lake Water System TEST RESULTS

Contaminant

Violation

Y/N

Level

Detected

ND/Low-High

Unit

Measurement

MCLG

MCL

Date Sampled

Likely Source of Contamination

Microbiological Contaminants

Total Coliform Bacteria

N

ND

N/A

0

Presence of coliform bacteria in 5% of monthly samples

2018

Naturally present in the environment

E.coli

N

ND

N/A

0

If a routine sample and repeat sample are total coliform positive, and one is also fecal coliform or E. colipositive

2018

Human and animal fecal waste

Turbidity for Surface Water

N

0.26

0.06

NTU
N/A

0.5 in at least 95% of the samples and must never exceed 5.0

2018

Soil Runoff

(highest single measurement & the lowest monthly percentage of samples meeting the turbidity limits)

Inorganic Contaminants

Arsenic

N

ND-8

ppb

0

10

2018

Erosion of natural deposits; runoff from orchards; runoff from glass and electronics production wastes

Barium

N

ND-1

ppm

20

20

2018

Discharge of drilling wastes; discharge from metal refineries; erosion of natural deposits

Carbon, Total Organic (TOC)

N

1-2

ppm

NA

TT

2018

Naturally present in the environment

Copper

  1. 90% results
  2. # of sites that exceed the AL

N

a. ND-1

b. 0

ppb

1300

AL=1300

2018

Corrosion of household plumbing systems; erosion of natural deposits

Fluoride

N

274

ppb

4000

4000

2018

Erosion of natural deposits; water additive which promotes strong teeth; discharge from fertilizer and aluminum factories

Lead

  1. 90% results
  2. # of sites that exceed the AL

N

a. ND-2

b. 2

ppb

0

AL=15

2018

Corrosion of household plumbing systems, erosion of natural deposits

Nitrate (as Nitrogen)

N

ND-1

Ppm

10

10

2018

Runoff from fertilizer use; leaching from septic tanks, sewage; erosion of natural deposits

Selenium

N

1.1

ppb

50

50

2018

Discharge from petroleum and metal refineries; erosion of natural deposits; discharge from mines

Sodium

N

48

ppm

500

None set by EPA

2018

Erosion of natural deposits; discharge from refineries and factories; runoff from landfills.

Sulfate

N

194

ppm

1000

1000

2018

Erosion of natural deposits; discharge from refineries and factories; runoff from landfills, runoff from cropland

TDS (Total Dissolved solids)

N

516

ppm

2000

2000

2018

Erosion of natural deposits

Disinfection By-products

TTHM [Total trihalomethanes]

N

17-34

ppb

0

80

2018

By-product of drinking water disinfection

Haloacetic Acids

N

3-10

ppb

0

60

2018

By-product of drinking water disinfection

Chlorine

N

800

ppb

4000

4000

2018

Water additive used to control microbes

Radioactive Contaminants

Alpha emitters

N

1-3

pCi/l

0

15

2016

Erosion of natural deposits

Combined

N

ND-1.01

pCi/l

0

5

2016

Erosion of natural deposits

Radium 226

N

ND-0.34

pCi/l

0

5

2016

Erosion of natural deposits

Radium 228

N

0.08-0.48

pCi/l

0

5

2016

Erosion of natural deposits

While your drinking water meets EPA's standard for arsenic, it does contain low levels of arsenic. EPA's standard balances the current understanding of arsenic's possible health effects against the costs of removing arsenic from drinking water. EPA continues to research the health effects of low levels of arsenic which is a mineral known to cause cancer in humans at high concentrations and is linked to other health effects such as skin damage and circulatory problems.

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. Washington City 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 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 or at http://www.epa.gov/safewater/lead.

All sources of drinking water are subject to potential contamination by constituents that are naturally occurring or man-made. Those constituents can be microbes, organic or inorganic chemicals, or radioactive materials. All 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 the water poses a health risk. More information about contaminants and potential health effects can be obtained by calling the Environmental Protection Agencys Safe Drinking Water Hotline at 1-800-426-4791.

MCLs are set at very stringent levels. To understand the possible health effects described for many regulated constituents, a person would have to drink 2 liters of water every day at the MCL level for a lifetime to have a one-in-a-million chance of having the described health effect.

Some people may be more vulnerable to contaminants in drinking water than the general population. Immunocompromised 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 from their health care providers about drinking water. EPA/CDC guidelines on appropriate means to lessen the risk of infection by cryptosporidium and other microbiological contaminants are available from the Safe Drinking Water Hotline (800-426-4791).

We at Washington City work around the clock to provide top quality water to every tap. We ask that all our customers help us protect our water sources, which are the heart of our community, our way of life and our childrens future.