All Data Provided by EWG
City of Tracy
EWG’s drinking water quality report shows results of tests conducted by the water utility and provided to the Environmental Working Group by the California State Water Resources Control Board, as well as information from the U.S. EPA Enforcement and Compliance History database (ECHO). For the latest quarter assessed by the U.S. EPA (January 2021 – March 2021), tap water provided by this water utility was in compliance with federal health-based drinking water standards.
Utility Details
Serves: 82,000
Data available: 2014-2019
Source: Surface water
Contaminants Detected
15 EXCEED EWG HEALTH GUIDELINES
29 Total Contaminants
- Legal does not necessarily equal safe. Getting a passing grade from the federal government does not mean the water meets the latest health guidelines.
- Legal limits for contaminants in tap water have not been updated in almost 20 years.
- The best way to ensure clean tap water is to keep pollution out of source water in the first place.
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Contaminants Detected
Arsenic
Potential Effect: cancer
227x
EWG’S HEALTH GUIDELINE
Bromochloroacetic acid
Potential Effect:
64x
EWG’S HEALTH GUIDELINE
Bromodichloromethane
Potential Effect: cancer
68x
EWG’S HEALTH GUIDELINE
Bromoform
Potential Effect: cancer
6.5x
EWG’S HEALTH GUIDELINE
Chloroform
Potential Effect: cancer
60x
EWG’S HEALTH GUIDELINE
Chromium (hexavalent)
Potential Effect: cancer
139x
EWG’S HEALTH GUIDELINE
Dibromoacetic acid
Potential Effect: cancer
34x
EWG’S HEALTH GUIDELINE
Dibromochloromethane
Potential Effect: cancer
44x
EWG’S HEALTH GUIDELINE
Dichloroacetic acid
Potential Effect: cancer
56x
EWG’S HEALTH GUIDELINE
Haloacetic acids (HAA5)†
Potential Effect: cancer
219x
EWG’S HEALTH GUIDELINE
Haloacetic acids (HAA9)†
Potential Effect: cancer
513x
EWG’S HEALTH GUIDELINE
Nitrate
Potential Effect: cancer
11x
EWG’S HEALTH GUIDELINE
Nitrate and nitrite
Potential Effect: cancer
11x
EWG’S HEALTH GUIDELINE
Total trihalomethanes (TTHMs)†
Potential Effect: cancer
267x
EWG’S HEALTH GUIDELINE
Trichloroacetic acid
Potential Effect: cancer
94x
EWG’S HEALTH GUIDELINE
Other Contaminants Tested
City of Tracy compliance with legally mandated federal standards:
- From April 2019 to March 2021, City of Tracy complied with health-based drinking water standards.
| Contaminant | Activated Carbon | Reverse Osmosis | Ion Exchange |
| CONTAMINANTS ABOVE HEALTH GUIDELINES | |||
| Arsenic | ✔ | ✔ | |
| Bromochloroacetic acid | ✔ | ✔ | |
| Bromodichloromethane | ✔ | ✔ | |
| Bromoform | ✔ | ✔ | |
| Chloroform | ✔ | ✔ | |
| Chromium (hexavalent) | ✔ | ✔ | |
| Dibromoacetic acid | ✔ | ✔ | |
| Dibromochloromethane | ✔ | ✔ | |
| Dichloroacetic acid | ✔ | ✔ | |
| Haloacetic acids (HAA5) | ✔ | ✔ | |
| Haloacetic acids (HAA9) | ✔ | ✔ | |
| Nitrate | ✔ | ✔ | |
| Nitrate & nitrite | ✔ | ✔ | |
| Total trihalomethanes (TTHMs) | ✔ | ✔ | |
| Trichloroacetic acid | ✔ | ✔ | |
| OTHER CONTAMINANTS DETECTED | |||
| 1,4-Dioxane | ✔ | ||
| Aluminum | ✔ | ||
| Bromochloromethane | ✔ | ✔ | |
| Chlorate | ✔ | ||
| Chromium (total) | ✔ | ✔ | |
| Dibromomethane | ✔ | ✔ | |
| Fluoride | ✔ | ||
| Germanium | ✔ | ||
| Manganese | ✔ | ||
| Molybdenum | ✔ | ✔ | |
| Monobromoacetic acid | ✔ | ✔ | |
| Monochloroacetic acid | ✔ | ✔ | |
| Strontium | ✔ | ✔ | |
| Vanadium | ✔ |
Take Action
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EWG Drinking Water Standards
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