Town of St. Johnsbury

802-748-3926

2016

ST JOHNSBURY WATER SYSTEM

Consumer Confidence Report

This report is a snapshot of the water quality the St. Johnsbury Water Filtration Plant and Public Works Dept. produced and delivered in 2015. Included are the details about where your water comes from, what it contains, and how it compares to Environmental Protection Agency (EPA) and state standards. We are committed to providing you with this information because informed customers are our best allies. This report is designed to inform you about the quality water and services we deliver to you every day.

If you have any questions regarding this report please contact:
Dan Gray
Chief Operator
Telephone: 802-748-9408 (Email: This email address is being protected from spambots. You need JavaScript enabled to view it.)

Water Source Information

Your water comes from

Source Name Source Water Type
STILES POND Surface Water

WSID# VT0005045

The State of Vermont Water Supply Rule requires Public Community Water Systems to develop a Source Protection Plan.  This plan delineates a source protection area for our system and identifies potential and actual sources of contamination.  Please contact us if you are interested in reviewing the plan.

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Drinking Water Contaminants

The sources of drinking water (both tap water and bottled water) include surface water (streams, lakes) and ground water (wells, springs). As water travels over the land’s surface or through the ground, it dissolves naturally-occurring minerals. It also picks up substances resulting from the presence of animals and human activity. Some “contaminants” may be harmful. Others, such as iron and sulfur, are not harmful. Public water systems treat water to remove contaminants, if any are present.

In order to ensure that your water is safe to drink, we test it regularly according to regulations established by the U.S. Environmental Protection Agency and the State of Vermont. These regulations limit the amount of various contaminants:

Microbial contaminants, such as viruses and bacteria, which may come from sewage treatment plants, septic systems, agricultural livestock operations and wildlife

Inorganic contaminants, such as 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 storm water run-off, agriculture, and residential users.

Radioactive contaminants, which can be naturally occurring or the result of mining activity

Organic contaminants, including synthetic and volatile organic chemicals, which are by-products of industrial processes and petroleum production, and also come from gas stations, urban storm water run-off, and septic systems.

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Water Quality Data

The table below lists all the drinking water contaminants that we detected during the past year. It also includes the date and results of any contaminants that we detected within the past five years if tested less than once a year. The presence of these contaminants in the water does not necessarily show that the water poses a health risk.

 

Terms and abbreviations - In this table you may find terms you might not be familiar with. To help you better understand these terms we have provided the following definitions:

Maximum Contamination Level Goal (MCLG): The “Goal” is the level of a contaminant in drinking water below which there is no known or expected risk to human health.  MCLG’s allow for a margin of safety.

Maximum Contamination Level (MCL): The “Maximum Allowed” MCL is the highest level of a contaminant that is allowed in drinking water.  MCL’s are set as close to the MCLG’s as feasible using the best available treatment technology.

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 disinfectants in controlling microbial contaminants.

Maximum Residual Disinfectant Level (MRDL): The highest level of a disinfectant allowed in drinking water.  Addition a disinfectant may help control microbial contaminants.           

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

90th Percentile:Ninety percent of the samples are below the action level. (Nine of ten sites sampled were at or below this level).

Treatment Technique (TT): A process aimed to reduce the level of a contaminant in drinking water.

Parts per million (ppm) or Milligrams per liter (mg/l):(one penny in ten thousand dollars)

Parts per billion (ppb) or Micrograms per liter (µg/l): (one penny in ten million dollars)

Picocuries per liter (pCi/L):a measure of radioactivity in water

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

Locational Running Annual Average (LRAA):  The average of sample analytical results for samples taken at a particular monitoring location during four consecutive calendar quarters.

Running Annual Average (RAA): The average of 4 consecutive quarters (when on quarterly monitoring); values in table represent the highest RAA for the year.

Detected Contaminants ST JOHNSBURY WATER SYSTEM

Disinfection Residual RAA Range Unit MRDL MRDLG Typical Source
Chlorine 0.518 0.010 - 1.200 mg/l 4.0 4.0 Water additive to control microbes

 

Microbiological Result MCL MCLG Typical Source
No Detected Results were Found in the Calendar Year of 2015

 

Chemical Contaminants Collection Date Highest Value Range Unit MCL MCLG Typical Source
Fluoride 05/04/2015 0.8 0.0 - 0.8 ppm 4 4 Erosion of natural deposits;  Water additive which promotes strong teeth; Discharge from fertilizer and aluminum factories
Radionuclides Collection Date Highest Value Range Unit MCL MCLG Typical Source  
No Detected Results were Found  
Disinfection Byproducts Monitoring Period LRAA Range Unit MCL MCLG Typical Source
Total Haloacetic Acids (HAA5) 2015 48 9.8 - 59.2 ppb 60 0 By-product of drinking water disinfection
Total Trihalomethanes 2015 63 23.6 - 83.5 ppb 80 0 By-product of drinking water chlorination
                               
Lead and Copper Date 90th Percentile 95th Percentile Range Unit AL

Sites

Over AL

Typical Source
Copper 2012 to 2014 0.52 0.72 0.056 - 1 ppm 1.3 0 Corrosion of household plumbing systems; Erosion of natural deposits; Leaching from wood preservatives
Lead 2012 to 2014 3 4 0 - 7 ppb 15 0 Corrosion of household plumbing systems; Erosion of natural deposits

 

Violation(s) that occurred during the year

We are required to monitor your drinking water for specific contaminants on a regular basis. Results of regular monitoring are an indicator of whether or not our drinking water meets health standards. The below table lists any drinking water violations we incurred during 2015. A failure to perform required monitoring means we cannot be sure of the quality of our water during that time.

Type Category Analyte Compliance Period
No Violations Occurred in the Calendar Year 2015

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Health information regarding drinking water

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 about drinking water from their health care providers. EPA/CDC guidelines on appropriate means to lessen the risk of infection by cryptosporidium and other microbiological contaminants
are available from EPA’s Safe Drinking Water Hotline (1-800-426-4791).
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 Safe Drinking Water Hotline. 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.

ST JOHNSBURY WATER SYSTEM 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 or at http://www.epa.gov/safewater/lead.

 

Public Notice - Permit to Operate Issued March 25, 2013:

The Water System is required to notify all users of the following compliance schedule contained in the Permit to Operate issued by the State of Vermont Agency of Natural Resources:
1. On or before November 1, 2013 the Permittee will provide the Secretary (attention: Christine Thompson, Drinking Water and Groundwater Protection Director) with an Annual Report updating the Water System’s long range improvements plan and implementation schedule (LRP) and address the Water System’s capability to meet the proposed infrastructure improvements dates. This update will notify the Division of the Water System’s progress in meeting the LRP improvements schedule for each project milestone addressed in the LRP. Proposed improvements are to be ranked and prioritized based on the overall risk of failure, health risk and projected improvement cost(s). A revised improvements plan and schedule is to be developed for the Water System should it be determined that the current projects
implementation schedule that has been approved by the division is not obtainable.

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Public Notice - Uncorrected Significant Deficiencies: The system is required to inform the public of any significant deficiencies identified during a sanitary survey conducted by the Drinking Water and Groundwater Protection Division that have not yet been corrected. For more information, please refer to the schedule for compliance in the system’s Operating Permit.

 

Date Identified Deficiency Facility
NONE

 

Unregulated Contaminant Monitoring
Our Water System also samples for a series of unregulated contaminants. Unregulated contaminants are those that don’t yet have a drinking water standard set by EPA. The purpose of monitoring for these contaminants is to help the EPA decide whether the contaminants should have a standard.

2016 CCR DATA

Distribution information
Please share this information with all the other people who drink this water, especially those who may not have received this notice directly (for example, people in apartments, nursing homes, schools, and businesses). You can do this by posting this notice in a public place and distributing copies by hand or mail.

 

This notice is being sent to you by ST JOHNSBURY WATER SYSTEM.
State Water System ID#: VT0005045
Date distributed: 6/30/16