2006 Consumer Confidence Report

IF YOU REQUIRE A PAPER COPY, PLEASE CONTACT CLERK JANE MAHEUX AT 802-899-3810 OR PRESIDENT PETER MITCHELL AT 802-899-4076 OR WRITE THE DISTRICT AT PO BOX 174, UNDERHILL, VT. 05489


2013-04-11 23:26:14

 

JERICHO-UNDERHILL WATER DISTRICT 

Water System ID# VT0005096 

Consumer Confidence Report – 2006

 

This report describes the quality of the water provided to District customers during calendar year 2005. Included are the details about where your water comes from, what it contains, and how it

compares to the U.S. Environmental Protection Agency (EPA) and Vermont State standards. We are committed to providing you with information because informed customers are our best allies. This report is designed to inform you about the water quality and services we deliver to you every day. To learn more, please attend any of our regularly scheduled meetings which are held at 7 PM on the first Monday of each month at the United Church of Underhill, Park Street, Underhill, VT 05465. 

For more information please visit our website at http://www.jerichounderhillwater.org or contact Trustee Peter H. Mitchell at 802-899-4076. 

Water Source Information

Your water comes from two wells.

Source Name

Source Water Type

WELL 1

Ground Water

WELL 2

Ground Water

 

 

 

 

 

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. The plan is available on our web site; a hard copy may be obtained by contacting our Clerk, Jane Maheux at 802-899-3810. 

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 of these substances may be harmful. Others, such as iron and sulfur in small quantities, are not harmful but affect the aesthetics of the water. Public water systems treat water to remove or control those substances identified as health or aesthetic contaminants. 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 state limits for the amount of various contaminants allowed: 

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 byproducts of industrial processes and petroleum production, and also come from gas stations, urban storm water run-off, and septic systems. 

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 of 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 dollar in a million dollars)

Parts per billion (ppb) or Micrograms per liter (µg/l): (one dollar in a billion 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.

RAA: Running Annual Average based on the most recent four calendar quarters. 

Violations that occurred during 2005

None. 

Contaminants detected during the reporting year or within the previous five years if not tested annually.

Regulated Contaminant

 

Sample

Date

 

Units

 

Max Value

 

MCL /

Action Limit

 

MCLG/

Advisory Limit

 

Probable Source

 

Arsenic

4/9/2003

ppb

3

10

0

Erosion of natural deposits

Xylenes

8/25/2005

ppb

2.5

10,000

10,000

Coatings of New Tank

Copper

6/11/2003

ppm

0.16

1.3

---

Leaching from house plumbing

Lead

6/11/2003

ppm

0.007

0.015

---

Leaching from house plumbing

Total Trihalo-

methanes

7/15/2005

ppb

3.9

80

---

Disinfectant byproducts

 

 

Secondary Contaminant

 

Sample Date

 

Units

 

Max Value

 

MCL

 

MCLG/

Advisory Limit

 

Probable Source

 

Manganese

4/9/2003

ppm

0.139

---

0.050

Erosion of natural deposits

 

 

Other

Contaminants

 

Sample Date

 

Units

 

Max Value

 

MCL

 

MCLG/

Advisory Limit

 

Probable Source

 

1,2,4 Trimethyl- benzene

8/25/2005

ppb

19.3

---

5

Coatings of New Tank

1,3,5 Trimethyl benzene

8/25/2005

ppb

5

---

5

Coatings of New Tank

N-Propylene

benzene

8/25/2005

ppb

2.2

---

5

Coatings of New Tank

 

Additional Information relating to detected contaminants.

The District Board removed the New Tank from service and is working with the supplier to resolve coating issues. 

Additional Information relating to water treatment. 

As a safeguard against microbes, the District maintains a background level of chlorine. For aesthetic reasons the District uses phosphate to sequester manganese. In conjunction with a VT State program for dental health, the District adds fluorine. 

Health information regarding 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 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 the water poses a health risk. More information about contaminants and potential health effects can be obtained by calling the EPA’s Safe Drinking Water Hotline.

 

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