FOUR CORNER PLAZA
PWS ID: VA3001739 · ONLEY, Virginia 23418
FOUR CORNER PLAZA serves 50 people in ONLEY, Virginia using Groundwater water sources. It has 44 recorded EPA violations, including 8 health-based violations. No PFAS contamination was detected in UCMR5 testing.
Water Quality Snapshot: FOUR CORNER PLAZA
FOUR CORNER PLAZA is a private-owned non-transient non-community water system that delivers drinking water to 50 residents in ONLEY, Virginia (Accomack County) through 31 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 44 total violations for this system , of which 8 (18%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 36 monitoring and reporting violations are on file. The most recent violation on record dates to 2015.
The most frequently cited contaminant at this system is Coliform (TCR), recorded in 8 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.
Across Virginia, EPA tracks 2,821 public water systems serving 7,911,199 people, with 146,670 cumulative violations and 25,642 health-based violations on record. About 90% of systems in the state carry at least one violation, and state-wide the average per system is 52 violations. FOUR CORNER PLAZA's 44 violations sit below the Virginia average. Statewide, 70 of 171 UCMR5-tested systems have reported PFAS detections (40.9%). 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
- 31
- County
- Accomack
- School/Daycare
- No
- MCL Violations
- 8
- Monitoring Violations
- 36
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 8 | 1994 |
| Coliform (TCR) | MCL | 8 | 2015 |
| Nitrate-Nitrite | MR | 3 | 2008 |
| Lead and Copper Rule | MR | 3 | 2008 |
| CHLOROBENZENE | MR | 1 | 2006 |
| Trichloroethylene | MR | 1 | 2006 |
| Carbon tetrachloride | MR | 1 | 2006 |
| 1,2,4-Trichlorobenzene | MR | 1 | 2006 |
| o-Dichlorobenzene | MR | 1 | 2006 |
| cis-1,2-Dichloroethylene | MR | 1 | 2006 |
| Ethylbenzene | MR | 1 | 2006 |
| Toluene | MR | 1 | 2006 |
| Tetrachloroethylene | MR | 1 | 2006 |
| 1,1-Dichloroethylene | MR | 1 | 2006 |
| Benzene | MR | 1 | 2006 |
| Nitrate | MR | 1 | 1979 |
| 1,1,1-Trichloroethane | MR | 1 | 2006 |
| 1,2-Dichloroethane | MR | 1 | 2006 |
| trans-1,2-Dichloroethylene | MR | 1 | 2006 |
| 1,2-Dichloropropane | MR | 1 | 2006 |
| Vinyl chloride | MR | 1 | 2006 |
| 1,1,2-Trichloroethane | MR | 1 | 2006 |
| Xylenes, Total | MR | 1 | 2006 |
| p-Dichlorobenzene | MR | 1 | 2006 |
| DICHLOROMETHANE | MR | 1 | 2006 |
| Styrene | MR | 1 | 2006 |
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 FOUR CORNER PLAZA.
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 VA3001739 on SDWISSource: EPA SDWIS Federal Reports Search
Virginia Drinking Water Authority
Virginia Department of Health — Office of Drinking Water is the primacy agency that licenses and inspects FOUR CORNER PLAZA under EPA-delegated authority.
Open VA regulator portalSource: Virginia Department of Health — Office of Drinking Water
Violation 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 |
|---|---|---|---|---|
| 2015 | Coliform (TCR) | MCL | 8 | SDWIS / VA3001739 / 3100 |
| 2008 | Nitrate-Nitrite | MR | 3 | SDWIS / VA3001739 / 1038 |
| 2008 | Lead and Copper Rule | MR | 3 | SDWIS / VA3001739 / 5000 |
| 2006 | CHLOROBENZENE | MR | 1 | SDWIS / VA3001739 / 2989 |
| 2006 | Trichloroethylene | MR | 1 | SDWIS / VA3001739 / 2984 |
| 2006 | Carbon tetrachloride | MR | 1 | SDWIS / VA3001739 / 2982 |
| 2006 | 1,2,4-Trichlorobenzene | MR | 1 | SDWIS / VA3001739 / 2378 |
| 2006 | o-Dichlorobenzene | MR | 1 | SDWIS / VA3001739 / 2968 |
| 2006 | cis-1,2-Dichloroethylene | MR | 1 | SDWIS / VA3001739 / 2380 |
| 2006 | Ethylbenzene | MR | 1 | SDWIS / VA3001739 / 2992 |
| 2006 | Toluene | MR | 1 | SDWIS / VA3001739 / 2991 |
| 2006 | Tetrachloroethylene | MR | 1 | SDWIS / VA3001739 / 2987 |
| 2006 | 1,1-Dichloroethylene | MR | 1 | SDWIS / VA3001739 / 2977 |
| 2006 | Benzene | MR | 1 | SDWIS / VA3001739 / 2990 |
| 2006 | 1,1,1-Trichloroethane | MR | 1 | SDWIS / VA3001739 / 2981 |
How FOUR CORNER PLAZA Compares
Cross-reference this system's record against state averages and the federal MCL framework for context.
| Metric | FOUR CORNER PLAZA | Virginia avg | Federal benchmark |
|---|---|---|---|
| Total violations | 44 | 52 | SDWA compliance — any non-zero count is a recorded breach |
| Health-based violations | 8 | 9.1 | Indicates a contaminant exceeded a federal MCL |
| PFAS detection | None | 40.9% | EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt |
| Population served | 50 | 2,804 | Sizing context for compliance burden |
Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,821 regulated public water systems in Virginia.
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 |
| Nitrate (as N) | 10 mg/L | Acute health risk for infants |
Frequently Asked Questions
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Related Data for Virginia
Read our methodology — how this data is sourced, computed, and verified.