Gross Alpha, Incl. Radon and U in U.S. Drinking Water
Health-based violation data for Gross Alpha, Incl. Radon and U from EPA Safe Drinking Water Information System (SDWIS). Covers all community water systems with violations on record.
Gross Alpha, Incl. Radon and U has been found in violation of EPA standards in 9 water systems across 3 states, with 24 total health-based violations recorded. The most affected states are Florida, Rhode Island, Mississippi.
Gross Alpha, Incl. Radon and U 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 24 health-based violation records carrying Gross Alpha, Incl. Radon and U (EPA code 4002) across 9 active community water systems in 3 states. Raw record counts are highest in Florida, Rhode Island, Mississippi, with Florida accounting for 6 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 Gross Alpha, Incl. Radon and U.
| # | State | Violations | Systems Affected |
|---|---|---|---|
| 1 | Florida | 6 | 2 |
| 2 | Rhode Island | 4 | 2 |
| 3 | Mississippi | 2 | 1 |
Most Affected Water Systems
Top 50 water systems by number of Gross Alpha, Incl. Radon and U health-based violations.
| Water System | State | Violations |
|---|---|---|
| MICCOSUKEE TRIBE OF INDIANS | FL | 3 |
| CHARLOTTE CORRECTIONAL INSTITUTION | FL | 3 |
| HILLSDALE HOUSING COOPERATIVE, INC. | RI | 3 |
| TOWN OF EDWARDS | MS | 2 |
| TELEMARK VILLAGE | RI | 1 |
Frequently Asked Questions
Is Gross Alpha, Incl. Radon and U in my water?
Gross Alpha, Incl. Radon and U has been detected in violation of EPA health standards in 9 water systems across 3 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 Gross Alpha, Incl. Radon and U violations?
EPA SDWIS records show 9 community water systems with health-based Gross Alpha, Incl. Radon and U violations, totaling 24 violations. These represent cases where the contaminant exceeded the EPA Maximum Contaminant Level (MCL).
Which states have the most Gross Alpha, Incl. Radon and U violations?
The states with the most Gross Alpha, Incl. Radon and U violations are: Florida (6 violations), Rhode Island (4 violations), Mississippi (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.