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EWG INVESTIGATION

 

Findings

About The Data

News Release

EWG Statement, 03/10/2008

Related News Clips


WHAT'S IN YOUR WATER?

 

Find Your Water Company


RECENTLY SEARCHED
WATER COMPANIES

 

City of Traverse City Water

Village of Elk Rapids Water

Harbor Springs Area Authority

City of Harbor Springs Water


NATIONAL SUMMARY

 

Quality Varies Across the U.S.


CONTAMINANTS DATABASE

 

Find a Contaminant

 

 

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Top Contaminants of Concern based on government health limits
 Arsenic (total) 
 Bromodichloromethane 
 Total trihalomethanes (TTHMs) 

Local Water System Report

City of Traverse City Water

Traverse City, MI
Serves: 14,532 people

An Environmental Working Group analysis of tap water tests from 1998 through 2003 shows that customers of City of Traverse City Water drank water containing up to 22 pollutants, including one unregulated contaminant. City of Traverse City Water is one of 65,000 water suppliers across the country wrestling with treating water polluted by sprawl, sewage, factory farms, and industry.

 

Pollution Summary

22Total Contaminants Detected (1998 - 2003)

Aluminum, Arsenic (total), Barium (total), Chromium (total), Copper, Lead (total), Mercury (total inorganic), Nitrate, Selenium (total), Sulfate, Antimony (total), Dichloroacetic acid, Trichloroacetic acid, Dibromoacetic acid, Bromochloroacetic acid, Total haloacetic acids, Chloroform, Bromoform, Bromodichloromethane, Dibromochloromethane, Total trihalomethanes (TTHMs), Combined Uranium (mg/L)

2Agricultural Pollutants
(pesticides, fertilizer, factory farms)

Nitrate, Sulfate

6Sprawl and Urban Pollutants
(road runoff, lawn pesticides, human waste)

Arsenic (total), Copper, Lead (total), Mercury (total inorganic), Nitrate, Antimony (total)

11Industrial Pollutants

Aluminum, Arsenic (total), Barium (total), Chromium (total), Lead (total), Mercury (total inorganic), Nitrate, Selenium (total), Sulfate, Antimony (total), Combined Uranium (mg/L)

10Water Treatment and Distribution Byproducts
(pipes and fixtures, treatment chemicals and byproducts)

Dichloroacetic acid, Trichloroacetic acid, Dibromoacetic acid, Bromochloroacetic acid, Total haloacetic acids, Chloroform, Bromoform, Bromodichloromethane, Dibromochloromethane, Total trihalomethanes (TTHMs)

10Naturally Occurring
(naturally present but increased for lands denuded by sprawl, agriculture, or industrial development)

Aluminum, Arsenic (total), Chromium (total), Copper, Lead (total), Mercury (total inorganic), Nitrate, Selenium (total), Sulfate, Combined Uranium (mg/L)

1Unregulated Contaminants
EPA has not established a maximum legal limit in tapwater for these contaminants

Bromochloroacetic acid


224
20
61
111
104
101
Total pollutantsAgricultural pollutantsSprawl and Urban pollutantsIndustrial pollutantsWater Treatment and Distribution ByproductsNaturally occurring pollutants
Number of pollutants detected (1998 - 2003) Over health based limits
Note: Some pollutants may be in more than one category.

NOTE: Health based limits included in this analysis include enforceable drinking water limits (called Maximum Contaminant Limits, or MCLs) as well as governmental, non-enforceable health guidelines, such as Maximum Contaminant Limit Goals (MCLGs), lifetime health advisory levels, one-day and ten-day advisory levels to protect children from non-cancer health endpoints, and other government-established health guidelines for tap water contaminants.

 

Health Summary

Contaminants found in your tap water (1998 - 2003): 22
Health effects or target organs of contaminants found: Cardiovascular or Blood Toxicity, Cancer, Developmental Toxicity, Endocrine Toxicity, Immunotoxicity, Kidney Toxicity, Gastrointestinal or Liver Toxicity, Neurotoxicity, Reproductive Toxicity, Respiratory Toxicity, and Skin Sensitivity.
View Details

Contaminants found above health based limits: 4*

Contaminants listed may not have exceeded legal limits, which are set to balance cost and benefits and are often higher than health-based limits - see note below.
Contaminant NameAverage ResultMaximum ResultHealth Limit ExceededHas Legal LimitLegal Limit Exceeded
Arsenic (total)0.93 ppb1 ppbYesYesNo
Metal that enters water by erosion of natural deposits, runoff from glass and electronics processing
Bromodichloromethane6.37 ppb14.7 ppbYesYesNo
Disinfection by-product
Chloroform9.97 ppb82.5 ppbYesYesNo
Disinfection by-product
Dibromochloromethane3.3 ppb5.3 ppbYesYesNo
Disinfection by-product
Total trihalomethanes (TTHMs)19.95 ppb102.4 ppbYesYesNo
Measure of four disinfection by-products

* This table contains one or more listings for a chemical group which comprises individual chemicals that are also listed in the table. The chemical group is not counted separately in numbers presented for total chemicals detected.
NOTE: Health based limits included in this analysis include enforceable drinking water limits (called Maximum Contaminant Limits, or MCLs) as well as governmental, non-enforceable health guidelines, such as Maximum Contaminant Limit Goals (MCLGs), lifetime health advisory levels, one-day and ten-day advisory levels to protect children from non-cancer health endpoints, and other government-established health guidelines for tap water contaminants.

 

Testing Summary

Contaminants reported as tested by this water supplier: 153
 Contaminants with federal legal limit in tapwater,
with testing required for most water systems:
73
 Regulated contaminants tested
(chemicals with federal legal limits in tapwater):
123
 Unregulated contaminants tested
(chemicals without federal legal limits in tapwater):
30
View Full Testing Summary

 

Violation Summary

No violations were found for this system between 1998 and 2003.
Information on violations is drawn directly from EPA's national violations database in the Agency's Safe Drinking Water Information System. Analyses by others have raised questions about the quality of the information in EPA's database. For the purposes of this investigation, EWG is not showing below or including in our analyses, those violations for individual water suppliers that occurred on days for which the total number of violations assigned by EPA to that water supplier was greater than 20. This criteria was based on common characteristics of incorrect violations data as identified by water utilities, from a review of EPA's violations data by several hundred utilities prior to the release of EWG's investigation.
 
 
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