Antimony, Total in U.S. Drinking Water
Health-based violation data for Antimony, Total from EPA Safe Drinking Water Information System (SDWIS). Covers all community water systems with violations on record.
Antimony, Total has been found in violation of EPA standards in 21 water systems across 10 states, with 120 total health-based violations recorded. The most affected states are California, Oklahoma, New Hampshire.
Antimony, Total is regulated under the EPA Safe Drinking Water Act, which sets enforceable Maximum Contaminant Levels (MCLs) and associated treatment technique requirements for public water systems. The EPA Safe Drinking Water Information System (SDWIS) tracks every recorded violation nationwide and links it back to the specific public water system (PWSID), violation type, and begin date.
Across the United States, PlainEnviro's joined extract contains 120 health-based violation records carrying Antimony, Total (EPA code 1074) across 21 active community water systems in 10 states. Raw record counts are highest in California, Oklahoma, New Hampshire, with California accounting for 28 records across 2 systems. Health-effect prose is shown only when the official ECHO substance name matches a verified topic; otherwise the portal stays silent rather than inventing guidance.
A health-based violation does not mean residents were necessarily harmed, it means the contaminant exceeded the federal MCL in a compliance sample, triggering notification and remediation requirements. States and utilities maintain primary enforcement responsibility. To check the status of a specific water system, request its most recent Consumer Confidence Report or consult the EPA's Drinking Water Watch portal for the corresponding state.
Violations by State
States ranked by number of health-based violations for Antimony, Total.
| # | State | Violations | Systems Affected |
|---|---|---|---|
| 1 | California | 28 | 2 |
| 2 | Oklahoma | 13 | 1 |
| 3 | New Hampshire | 11 | 2 |
| 4 | Illinois | 5 | 1 |
| 5 | Arizona | 4 | 1 |
| 6 | Connecticut | 4 | 1 |
| 7 | Florida | 3 | 1 |
| 8 | Pennsylvania | 3 | 1 |
| 9 | Utah | 2 | 1 |
| 10 | Massachusetts | 1 | 1 |
Most Affected Water Systems
Top 50 water systems by number of Antimony, Total health-based violations.
| Water System | State | Violations |
|---|---|---|
| QVWD-WEST & EAST COMBINED WATER SYSTEM | CA | 24 |
| OAKVIEW WATER CORP | OK | 13 |
| HOLLIS VILLAGE MARKETPLACE | NH | 9 |
| INDUSTRY | IL | 5 |
| BUCKSKIN ARTISTS COMMUNITY | AZ | 4 |
| MARCHI CENTRAL FARM | CA | 4 |
| ARROWHEAD BY THE LAKE ASSOCIATION, INC. | CT | 4 |
| PORT OF THE ISLANDS | FL | 3 |
| GREEN MOUNTAIN ESTATES | PA | 3 |
| MUIRFIELD CLUSTER | NH | 2 |
| PARK CITY WATER SYSTEM | UT | 2 |
| GLENGARRY CONDOS | MA | 1 |
Frequently Asked Questions
Is Antimony, Total in my water?
Antimony, Total has been detected in violation of EPA health standards in 21 water systems across 10 states. To check your specific utility, look up your annual Consumer Confidence Report (CCR) - water systems are required to disclose all violations.
How many water systems have Antimony, Total violations?
EPA SDWIS records show 21 community water systems with health-based Antimony, Total violations, totaling 120 violations. These represent cases where the contaminant exceeded the EPA Maximum Contaminant Level (MCL).
Which states have the most Antimony, Total violations?
The states with the most Antimony, Total violations are: California (28 violations), Oklahoma (13 violations), New Hampshire (11 violations), Illinois (5 violations), Arizona (4 violations).
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About This Data
Violation data is from the EPA Safe Drinking Water Information System (SDWIS). Only health-based violations are shown, these include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations. Monitoring and reporting violations are excluded. Data may not reflect the most current enforcement actions.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.