Vinyl Chloride in Drinking Water
Reference information plus historical EPA compliance records associated with vinyl chloride.
EPA Limit (MCL)
2 ppb
EPA Goal (MCLG)
0 ppb
Category
Organic
Regulatory values are a concise reference, not legal or medical advice. Confirm the current standard and rule-specific details on EPA.gov.
Health Effects
Increased cancer risk
Common Sources
Leaching from PVC pipes, discharge from plastic factories
Treatment Considerations for Vinyl Chloride
Commonly cited treatment approaches include: Granular activated carbon. Choose treatment only after a certified water test identifies the substance and concentration; verify NSF/ANSI certification and consult a qualified local professional when needed.
12,722
Historical Violation Records
5,456
Systems With Records
Historical Vinyl Chloride Records by State
| State | Records | Systems |
|---|---|---|
| Pennsylvania | 3,134 | 1,066 |
| Washington | 1,936 | 712 |
| Alaska | 1,518 | 301 |
| Oregon | 636 | 362 |
| Connecticut | 444 | 226 |
| Arizona | 383 | 197 |
| Montana | 351 | 182 |
| Oklahoma | 343 | 156 |
| North Carolina | 318 | 172 |
| Ohio | 316 | 203 |
| West Virginia | 303 | 96 |
| Illinois | 287 | 140 |
| Texas | 284 | 92 |
| Colorado | 274 | 157 |
| Utah | 239 | 131 |
| Puerto Rico | 205 | 85 |
| Vermont | 203 | 112 |
| Virginia | 162 | 99 |
| New Hampshire | 158 | 112 |
| Wisconsin | 113 | 78 |
Systems With the Most Vinyl Chloride Violation Records
LAKE FOREST PARK WATER DISTRICT
SEVEN ESTATES
COAL MOUNTAIN WATER
MARBLE WATER SYSTEM
PINNACLE WATER ASSOCIATION
NOTTINGHAM MANOR M H COURT
FOREST PARK TC
SUNRISE LAKES SEC 12
KELLEY CREST
WARMINSTER MUNICIPAL AUTHORITY
Frequently Asked Questions
What is Vinyl Chloride and why can it appear in drinking-water records?
Vinyl Chloride can be associated with drinking water through: Leaching from PVC pipes, discharge from plastic factories.
What reference value does this page show?
The summarized EPA Maximum Contaminant Level is 2 ppb. Some substances use action levels or rule-specific thresholds instead, so verify the current EPA standard.
Does a historical violation record mean it is in my tap today?
No. A compliance record may be historical or resolved. Use the latest Consumer Confidence Report or a certified test for current local conditions.