EWG INVESTIGATION
Findings About The Data News Release EWG Statement, 03/10/2008 Related News Clips
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City of Traverse City Water Village of Elk Rapids Water Harbor Springs Area Authority City of Harbor Springs Water
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| Local Water System Report City of Traverse City WaterTraverse City, MIServes: 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 | 22 | Total 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) | | 2 | Agricultural Pollutants
(pesticides, fertilizer, factory farms)Nitrate, Sulfate | | 6 | Sprawl and Urban Pollutants
(road runoff, lawn pesticides, human waste)Arsenic (total), Copper, Lead (total), Mercury (total inorganic), Nitrate, Antimony (total) | | 11 | Industrial Pollutants Aluminum, Arsenic (total), Barium (total), Chromium (total), Lead (total), Mercury (total inorganic), Nitrate, Selenium (total), Sulfate, Antimony (total), Combined Uranium (mg/L) | | 10 | Water 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) | | 10 | Naturally 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) | | 1 | Unregulated Contaminants
EPA has not established a maximum legal limit in tapwater for these contaminantsBromochloroacetic acid |
22 | 4 |
| | 2 | 0 |
| | 6 | 1 |
| | 11 | 1 |
| | 10 | 4 |
| | 10 | 1 |
|  | | Total pollutants | Agricultural pollutants | Sprawl and Urban pollutants | Industrial pollutants | Water Treatment and Distribution Byproducts | Naturally 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 Name | Average Result | Maximum Result | Health Limit Exceeded | Has Legal Limit | Legal Limit Exceeded |
|---|
| Arsenic (total) | 0.93 ppb | 1 ppb | Yes | Yes | No | | Metal that enters water by erosion of natural deposits, runoff from glass and electronics processing | | Bromodichloromethane | 6.37 ppb | 14.7 ppb | Yes | Yes | No | | Disinfection by-product | | Chloroform | 9.97 ppb | 82.5 ppb | Yes | Yes | No | | Disinfection by-product | | Dibromochloromethane | 3.3 ppb | 5.3 ppb | Yes | Yes | No | | Disinfection by-product | | Total trihalomethanes (TTHMs) | 19.95 ppb | 102.4 ppb | Yes | Yes | No | | 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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• Formerly drilled and pumped oil & gas Leases
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
Credits
Sign up for our
monthly email bulletin
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
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)
(pesticides, fertilizer, factory farms)
Nitrate, Sulfate
(road runoff, lawn pesticides, human waste)
Arsenic (total), Copper, Lead (total), Mercury (total inorganic), Nitrate, Antimony (total)
Aluminum, Arsenic (total), Barium (total), Chromium (total), Lead (total), Mercury (total inorganic), Nitrate, Selenium (total), Sulfate, Antimony (total), Combined Uranium (mg/L)
(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)
(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)
EPA has not established a maximum legal limit in tapwater for these contaminants
Bromochloroacetic acid
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): 22Health 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.* 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
with testing required for most water systems:
(chemicals with federal legal limits in tapwater):
(chemicals without federal legal limits in tapwater):
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.