METHYL TERT-BUTYL ETHER in U.S. Drinking Water
Health-based violation data for METHYL TERT-BUTYL ETHER from EPA Safe Drinking Water Information System (SDWIS). Covers all community water systems with violations on record.
METHYL TERT-BUTYL ETHER has been found in violation of EPA standards in 5 water systems across 1 states, with 7 total health-based violations recorded. The most affected states are New York.
METHYL TERT-BUTYL ETHER 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 7 health-based violation records carrying METHYL TERT-BUTYL ETHER (EPA code 2251) across 5 active community water systems in 1 state. Raw record counts are highest in New York, with New York accounting for 2 records across 1 system. 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 METHYL TERT-BUTYL ETHER.
| # | State | Violations | Systems Affected |
|---|---|---|---|
| 1 | New York | 2 | 1 |
Most Affected Water Systems
Top 50 water systems by number of METHYL TERT-BUTYL ETHER health-based violations.
| Water System | State | Violations |
|---|---|---|
| PALMER CENTER UGARC | NY | 2 |
Frequently Asked Questions
Is METHYL TERT-BUTYL ETHER in my water?
METHYL TERT-BUTYL ETHER has been detected in violation of EPA health standards in 5 water systems across 1 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 METHYL TERT-BUTYL ETHER violations?
EPA SDWIS records show 5 community water systems with health-based METHYL TERT-BUTYL ETHER violations, totaling 7 violations. These represent cases where the contaminant exceeded the EPA Maximum Contaminant Level (MCL).
Which states have the most METHYL TERT-BUTYL ETHER violations?
The states with the most METHYL TERT-BUTYL ETHER violations are: New York (2 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.