THE OAKS OF THONOTOSASSA MHP
PWS ID: FL6290157 · POTOMAC, Florida 20859
THE OAKS OF THONOTOSASSA MHP serves 330 people in POTOMAC, Florida using Groundwater water sources. It has 161 recorded EPA violations, including 5 health-based violations. No PFAS contamination was detected in UCMR5 testing.
Water Quality Snapshot: THE OAKS OF THONOTOSASSA MHP
THE OAKS OF THONOTOSASSA MHP is a private-owned community water system that delivers drinking water to 330 residents in POTOMAC, Florida (Hillsborough County) through 190 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 161 total violations for this system , of which 5 (3%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 131 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.
The most frequently cited contaminant at this system is Coliform (TCR), recorded in 35 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 Florida, EPA tracks 5,093 public water systems serving 22,381,282 people, with 184,355 cumulative violations and 24,266 health-based violations on record. About 93% of systems in the state carry at least one violation, and state-wide the average per system is 36.2 violations. THE OAKS OF THONOTOSASSA MHP's 161 violations sit above the Florida average. Statewide, 218 of 402 UCMR5-tested systems have reported PFAS detections (54.2%). 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
- Community
- Owner Type
- Private
- Connections
- 190
- County
- Hillsborough
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 131
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 35 | 2014 |
| E. COLI | MR | 29 | 2025 |
| Revised Total Coliform Rule | MON | 15 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 12 | 2024 |
| Lead and Copper Rule | MR | 11 | 2016 |
| TTHM | MR | 10 | 2024 |
| Nitrate | MR | 6 | 2018 |
| Coliform (TCR) | MCL | 5 | 2006 |
| Consumer Confidence Rule | Other | 2 | 2004 |
| Fluoride | MR | 1 | 1984 |
| Endrin | MR | 1 | 1984 |
| Barium | MR | 1 | 1984 |
| BHC-GAMMA | MR | 1 | 1984 |
| Chromium | MR | 1 | 1984 |
| 2,4-D | MR | 1 | 1984 |
| Toxaphene | MR | 1 | 1984 |
| Arsenic | MR | 1 | 1984 |
| Methoxychlor | MR | 1 | 1984 |
| Cadmium | MR | 1 | 1984 |
| Mercury | MR | 1 | 1984 |
| 2,4,5-TP | MR | 1 | 1984 |
| Selenium | MR | 1 | 1984 |
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 THE OAKS OF THONOTOSASSA MHP.
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 FL6290157 on SDWISSource: EPA SDWIS Federal Reports Search
Florida Drinking Water Authority
Florida Department of Environmental Protection — Drinking Water Program is the primacy agency that licenses and inspects THE OAKS OF THONOTOSASSA MHP under EPA-delegated authority.
Open FL regulator portalSource: Florida Department of Environmental Protection — Drinking Water Program
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 |
|---|---|---|---|---|
| 2025 | E. COLI | MR | 29 | SDWIS / FL6290157 / 3014 |
| 2025 | Revised Total Coliform Rule | MON | 15 | SDWIS / FL6290157 / 8000 |
| 2024 | Total Haloacetic Acids (HAA5) | MR | 12 | SDWIS / FL6290157 / 2456 |
| 2024 | TTHM | MR | 10 | SDWIS / FL6290157 / 2950 |
| 2018 | Nitrate | MR | 6 | SDWIS / FL6290157 / 1040 |
| 2016 | Lead and Copper Rule | MR | 11 | SDWIS / FL6290157 / 5000 |
| 2014 | Coliform (TCR) | MR | 35 | SDWIS / FL6290157 / 3100 |
| 2006 | Coliform (TCR) | MCL | 5 | SDWIS / FL6290157 / 3100 |
| 2004 | Consumer Confidence Rule | Other | 2 | SDWIS / FL6290157 / 7000 |
| 1984 | Fluoride | MR | 1 | SDWIS / FL6290157 / 1025 |
| 1984 | Endrin | MR | 1 | SDWIS / FL6290157 / 2005 |
| 1984 | Barium | MR | 1 | SDWIS / FL6290157 / 1010 |
| 1984 | BHC-GAMMA | MR | 1 | SDWIS / FL6290157 / 2010 |
| 1984 | Chromium | MR | 1 | SDWIS / FL6290157 / 1020 |
| 1984 | 2,4-D | MR | 1 | SDWIS / FL6290157 / 2105 |
How THE OAKS OF THONOTOSASSA MHP Compares
Cross-reference this system's record against state averages and the federal MCL framework for context.
| Metric | THE OAKS OF THONOTOSASSA MHP | Florida avg | Federal benchmark |
|---|---|---|---|
| Total violations | 161 | 36.2 | SDWA compliance — any non-zero count is a recorded breach |
| Health-based violations | 5 | 4.8 | Indicates a contaminant exceeded a federal MCL |
| PFAS detection | None | 54.2% | EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt |
| Population served | 330 | 4,395 | Sizing context for compliance burden |
Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 5,093 regulated public water systems in Florida.
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 Florida
Read our methodology — how this data is sourced, computed, and verified.