Non-Transient Non-Community Water System · PWS VI3000082
United Corp. Supermarket
US Virgin Islands - drinking water served from groundwater sources to 940 people, tracked in EPA SDWIS and UCMR5.
- 940
- People served
- 3
- EPA violations
- 1
- Health-based
- Untested
- UCMR5 result
The verdict
EPA records 3 drinking-water violations at United Corp. Supermarket, 33% of them health-based - below the US Virgin Islands per-system average.
- 3
- Total EPA violations on record
- 33%
- Health-based (MCL / treatment failure)
- 940
- People served by this system
- N/A
- PFAS compounds detected (UCMR5)
Water Quality Snapshot: United Corp. Supermarket
United Corp. Supermarket is a private-owned non-transient non-community water system that delivers drinking water to 940 residents in US Virgin Islands (St. Croix Island County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 3 total violations for this system , of which 1 (33%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 1 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.
The most frequently cited contaminant at this system is LEAD AND COPPER RULE REVISIONS, recorded in 1 violation (RPT). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.
Across US Virgin Islands, EPA tracks 256 public water systems serving 122,604 people, with 1,317 cumulative violations and 236 health-based violations on record. About 84% of systems in the state carry at least one violation, and state-wide the average per system is 5.1 violations. Statewide, 1 of 3 UCMR5-tested systems have reported PFAS detections (33.3%).
United Corp. Supermarket's 3 violations sit below the US Virgin Islands average.
All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- St. Croix Island
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 1
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| LEAD AND COPPER RULE REVISIONS | RPT | 1 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 1 | 2024 |
| Nitrate | MR | 1 | 2016 |
Verify This Water System
The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for United Corp. Supermarket.
EPA SDWIS, Federal Reports
EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:
View PWS ID VI3000082 on SDWISSource: EPA SDWIS Federal Reports Search
US Virgin Islands Drinking Water Authority
US Virgin Islands's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.
Find VI regulator via EPA SDWISViolation Timeline
Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.
| Year (latest) | Contaminant | Category | Count | EPA Record |
|---|---|---|---|---|
| 2024 | LEAD AND COPPER RULE REVISIONS | RPT | 1 | SDWIS / VI3000082 / 5200 |
| 2024 | LEAD AND COPPER RULE REVISIONS | TT | 1 | SDWIS / VI3000082 / 5200 |
| 2016 | Nitrate | MR | 1 | SDWIS / VI3000082 / 1040 |
How United Corp. Supermarket Compares
Cross-reference this system's record against state averages and the federal MCL framework for context.
| Metric | United Corp. Supermarket | US Virgin Islands avg | Federal benchmark |
|---|---|---|---|
| Total violations | 3 | 5.1 | SDWA compliance, any non-zero count is a recorded breach |
| Health-based violations | 1 | 0.9 | Indicates a contaminant exceeded a federal MCL |
| PFAS detection | None | 33.3% | EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt |
| Population served | 940 | 479 | Sizing context for compliance burden |
Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 256 regulated public water systems in US Virgin Islands.
Federal MCL reference, Safe Drinking Water Act thresholds ▼
| Contaminant | Federal MCL / Action Level | Note |
|---|---|---|
| Lead | 0 mg/L (Action Level: 0.015 mg/L) | Lead and Copper Rule treatment technique |
| Arsenic | 0.010 mg/L (10 ppb) | Health-based MCL since 2006 |
| Total Coliform | Treatment technique (RTCR) | Indicator organism, monitoring trigger |
| PFOA / PFOS (PFAS) | 4.0 ppt each (final 2024 rule) | Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026) |
| Nitrate (as N) | 10 mg/L | Acute health risk for infants |
Frequently Asked Questions
Is United Corp. Supermarket water safe to drink? ▼
How many people does United Corp. Supermarket serve? ▼
What type of violations does United Corp. Supermarket have? ▼
Has PFAS been detected in United Corp. Supermarket water? ▼
What water source does United Corp. Supermarket use? ▼
Where does this data come from? ▼
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.