Overview
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.
AquaPura's analysis shows 17 contaminant(s) detected in Santa Clarita Valley Water Authority - Valencia Water Division's water exceed recommended health guidelines, though they may be within legal limits set by the EPA.
Contaminants Detected
This Utility: 0.302 ppb
Legal Limit: 10 ppb
75x
EWG's Health Guideline:
0.004 ppb
0.004 ppb
Bromodichloromethane
Potential Effect: cancer
This Utility: 2.33 ppb
No Legal Limit
39x
EWG's Health Guideline:
0.06 ppb
0.06 ppb
Chromium (hexavalent)*
Potential Effect: cancer
This Utility: 0.603 ppb
No Legal Limit
30x
EWG's Health Guideline:
0.02 ppb
0.02 ppb
Dibromochloromethane
Potential Effect: cancer
This Utility: 5.49 ppb
No Legal Limit
55x
EWG's Health Guideline:
0.1 ppb
0.1 ppb
Haloacetic acids (HAA5)
Potential Effect: cancer
This Utility: 36.2 ppb
Legal Limit: 60 ppb
362x
EWG's Health Guideline:
0.1 ppb
0.1 ppb
Haloacetic acids (HAA9)*
Potential Effect: cancer
This Utility: 24.5 ppb
No Legal Limit
408x
EWG's Health Guideline:
0.06 ppb
0.06 ppb
This Utility: 3.34 ppm
Legal Limit: 10 ppb
24x
EWG's Health Guideline:
0.14 ppb
0.14 ppb
This Utility: 2.36 ppm
Legal Limit: 10 ppb
17x
EWG's Health Guideline:
0.14 ppb
0.14 ppb
This Utility: 4.55 ppt
Legal Limit: 10 ppb
4,550x
EWG's Health Guideline:
0.001 ppb
0.001 ppb
This Utility: 0.241 ppt
Legal Limit: 10 ppb
40x
EWG's Health Guideline:
0.006 ppb
0.006 ppb
This Utility: 6.45 ppt
Legal Limit: 4 ppb
22x
EWG's Health Guideline:
0.3 ppb
0.3 ppb
Perfluorooctanoic acid (PFOA)
Potential Effect: cancer
This Utility: 7.15 ppt
Legal Limit: 4 ppb
79x
EWG's Health Guideline:
0.09 ppb
0.09 ppb
Total trihalomethanes (TTHMs)
Potential Effect: cancer
This Utility: 16.1 ppb
Legal Limit: 80 ppb
108x
EWG's Health Guideline:
0.15 ppb
0.15 ppb
This Utility: 0.151 ppb
No Legal Limit
Chloroform
Potential Effect: cancer
This Utility: 0.737 ppb
No Legal Limit
EWG's Health Guideline:
0.4 ppb
0.4 ppb
This Utility: 0.0641 ppb
Legal Limit: 100 ppb
This Utility: 0.011 ppt
No Legal Limit
EWG's Health Guideline:
1 ppt
1 ppt
This Utility: 6.58 ppt
No Legal Limit
EWG's Health Guideline:
2000 ppt
2000 ppt
This Utility: 0.708 ppt
No Legal Limit
EWG's Health Guideline:
1000 ppt
1000 ppt
This Utility: 2.72 ppt
No Legal Limit
EWG's Health Guideline:
1000 ppt
1000 ppt
This Utility: 6.36 ppt
No Legal Limit
EWG's Health Guideline:
1000 ppt
1000 ppt
This Utility: 0.778 ppt
No Legal Limit
EWG's Health Guideline:
1000 ppt
1000 ppt
Tetrachloroethylene (perchloroethylene)
Potential Effect: cancer
This Utility: 0.0168 ppb
Legal Limit: 5 ppb
EWG's Health Guideline:
0.06 ppb
0.06 ppb
Trichloroacetic acid
Potential Effect: cancer
This Utility: 0.128 ppb
No Legal Limit
EWG's Health Guideline:
0.1 ppb
0.1 ppb
Find a Filter
See which water filtration technologies are effective at reducing the contaminants detected in this utility's water supply.
Carbon Filters
Filters 12 contaminants exceeding guidelines (+13 others)
Can reduce the levels of many common contaminants.
Pros
- Lower upfront cost
- Reduced maintenance
Cons
- Does not remove all contaminants
Reverse Osmosis
Filters 16 contaminants exceeding guidelines (+22 others)
Can reduce the levels of many common contaminants.
Pros
- Most effective
Cons
- Higher upfront cost
- Requires more maintenance
- Wastes water
Other Considerations
Ion Exchange
PROS: Softens hard water, Reduces some contaminants
CONS: Doesn't remove all contaminants
Whole-House Filters
PROS: Useful for reducing radiologicals and TCE
CONS: Expensive to install and maintain, Risk of bacterial contamination
Explore filter options for each contaminant. See which technologies are effective at reducing specific contaminants.
| Contaminant | Activated Carbon | Reverse Osmosis | Ion Exchange |
|---|---|---|---|
| Contaminants Above Health Guidelines | |||
| Arsenic | ✕ | ✓ | ✓ |
| Bromodichloromethane | ✓ | ✓ | ✕ |
| Bromoform | ✓ | ✓ | ✕ |
| Chromium (hexavalent)* | ✕ | ✓ | ✓ |
| Dibromoacetic acid | ✓ | ✓ | ✕ |
| Dibromochloromethane | ✓ | ✓ | ✕ |
| Dichloroacetic acid | ✓ | ✓ | ✕ |
| Haloacetic acids (HAA5) | ✓ | ✓ | ✕ |
| Haloacetic acids (HAA9)* | ✓ | ✓ | ✕ |
| Nitrate | ✕ | ✓ | ✓ |
| Nitrate and nitrite | ✕ | ✓ | ✓ |
| Perfluorohexane sulfonate (PFHXS) | ✓ | ✓ | ✕ |
| Perfluorononanoic acid (PFNA) | ✓ | ✓ | ✕ |
| Perfluorooctane sulfonate (PFOS) | ✓ | ✓ | ✕ |
| Perfluorooctanoic acid (PFOA) | ✓ | ✓ | ✕ |
| Total trihalomethanes (TTHMs) | ✓ | ✓ | ✕ |
| Other Contaminants Detected | |||
| 1,4-Dioxane | ✕ | ✓ | ✕ |
| Barium | ✕ | ✓ | ✓ |
| Chlorate* | ✕ | ✕ | ✕ |
| Chlorodifluoromethane | ✕ | ✕ | ✕ |
| Chloroform | ✓ | ✓ | ✕ |
| Chloromethane | ✓ | ✓ | ✕ |
| Chromium (total) | ✕ | ✓ | ✓ |
| Cobalt | ✕ | ✓ | ✓ |
| Fluoride | ✕ | ✓ | ✕ |
| Germanium | ✕ | ✓ | ✕ |
| Lithium | ✕ | ✓ | ✓ |
| Manganese | ✕ | ✕ | ✓ |
| Molybdenum | ✕ | ✓ | ✓ |
| Monobromoacetic acid* | ✓ | ✓ | ✕ |
| Monochloroacetic acid | ✓ | ✓ | ✕ |
| N-ethyl perfluorooctane sulfonamido acetic acid (N-EtFOSAA) | ✓ | ✓ | ✕ |
| Perfluorobutane sulfonate (PFBS) | ✓ | ✓ | ✕ |
| Perfluorobutanoic Acid (PFBA) | ✓ | ✓ | ✕ |
| Perfluoroheptanoic acid (PFHPA) | ✓ | ✓ | ✕ |
| Perfluorohexanoic Acid (PFHxA) | ✓ | ✓ | ✕ |
| Perfluoropentanoic Acid (PFPeA) | ✓ | ✓ | ✕ |
| Strontium* | ✕ | ✓ | ✓ |
| Tetrachloroethylene (perchloroethylene) | ✓ | ✓ | ✕ |
| Trichloroacetic acid | ✓ | ✓ | ✕ |
| Trichloroethylene | ✓ | ✓ | ✕ |
| Vanadium* | ✕ | ✕ | ✓ |
Protect your family's health.
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