Community Water System · PWS FL2554447
Sjcu-Cr214 Mainland WTP
St. Augustine, Florida 32084 - drinking water served from groundwater sources to 66,953 people, tracked in EPA SDWIS and UCMR5.
- 66,953
- People served
- 35
- EPA violations
- 9
- Health-based
- No PFAS
- UCMR5 result
The verdict
EPA records 35 drinking-water violations at Sjcu-Cr214 Mainland WTP, 26% of them health-based - below the Florida per-system average.
- 35
- Total EPA violations on record
- 26%
- Health-based (MCL / treatment failure)
- 66,953
- People served by this system
- 0
- PFAS compounds detected (UCMR5)
Water Quality Snapshot: Sjcu-Cr214 Mainland WTP
Sjcu-Cr214 Mainland WTP is a local-owned community water system that delivers drinking water to 66,953 residents in St. Augustine, Florida (St. Johns County) through 26,781 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 35 total violations for this system , of which 9 (26%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 13 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 9 violations (MCL, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.
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. Statewide, 218 of 402 UCMR5-tested systems have reported PFAS detections (54.2%).
Sjcu-Cr214 Mainland WTP's 35 violations sit below the Florida 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
- Community
- Owner Type
- Local
- Connections
- 26,781
- County
- St. Johns
- School/Daycare
- No
- MCL Violations
- 9
- Monitoring Violations
- 13
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 9 | 2015 |
| Lead and Copper Rule | MR | 4 | 2015 |
| Revised Total Coliform Rule | MON | 3 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2016 |
| Coliform (TCR) | MR | 2 | 2004 |
| TTHM | MR | 2 | 2016 |
| Revised Total Coliform Rule | RPT | 1 | 2024 |
| Consumer Confidence Rule | Other | 1 | 2024 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 58 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| NEtFOSAA | 6/5/2024 | <5.00 ppt | 5.00 ppt | Not Detected |
| NMeFOSAA | 6/5/2024 | <6.00 ppt | 6.00 ppt | Not Detected |
| PFTA | 6/5/2024 | <8.00 ppt | 8.00 ppt | Not Detected |
| PFTrDA | 6/5/2024 | <7.00 ppt | 7.00 ppt | Not Detected |
| 9Cl-PF3ONS | 5/7/2024 | <2.00 ppt | 2.00 ppt | Not Detected |
| PFOS | 5/7/2024 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFBS | 5/7/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFHpA | 5/7/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFHxS | 5/7/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFNA | 5/7/2024 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFOA | 5/7/2024 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFDA | 5/7/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFDoA | 5/7/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFHxA | 5/7/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFUnA | 5/7/2024 | <2.00 ppt | 2.00 ppt | Not Detected |
| 11Cl-PF3OUdS | 5/7/2024 | <5.00 ppt | 5.00 ppt | Not Detected |
| ADONA | 5/7/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFMBA | 5/7/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFHpS | 5/7/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFPeS | 5/7/2024 | <4.00 ppt | 4.00 ppt | Not Detected |
| NFDHA | 5/7/2024 | <20.00 ppt | 20.00 ppt | Not Detected |
| HFPO-DA | 5/7/2024 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFEESA | 5/7/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFPeA | 5/7/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFMPA | 5/7/2024 | <4.00 ppt | 4.00 ppt | Not Detected |
| 8:2 FTS | 5/7/2024 | <5.00 ppt | 5.00 ppt | Not Detected |
| 4:2 FTS | 5/7/2024 | <3.00 ppt | 3.00 ppt | Not Detected |
| 6:2 FTS | 5/7/2024 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFBA | 5/7/2024 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFMPA | 11/7/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| 8:2 FTS | 11/7/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| 4:2 FTS | 11/7/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFBA | 11/7/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| NFDHA | 11/7/2023 | <20.00 ppt | 20.00 ppt | Not Detected |
| HFPO-DA | 11/7/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| 6:2 FTS | 11/7/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFPeA | 11/7/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFEESA | 11/7/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFPeS | 11/7/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFHpS | 11/7/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| ADONA | 11/7/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFOS | 11/7/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFMBA | 11/7/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFHxS | 11/7/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFTrDA | 11/7/2023 | <7.00 ppt | 7.00 ppt | Not Detected |
| NEtFOSAA | 11/7/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| NMeFOSAA | 11/7/2023 | <6.00 ppt | 6.00 ppt | Not Detected |
| PFDA | 11/7/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFHpA | 11/7/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| 9Cl-PF3ONS | 11/7/2023 | <2.00 ppt | 2.00 ppt | Not Detected |
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 Sjcu-Cr214 Mainland WTP.
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 FL2554447 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 Sjcu-Cr214 Mainland WTP 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 | Revised Total Coliform Rule | MON | 3 | SDWIS / FL2554447 / 8000 |
| 2024 | Revised Total Coliform Rule | RPT | 1 | SDWIS / FL2554447 / 8000 |
| 2024 | Consumer Confidence Rule | Other | 1 | SDWIS / FL2554447 / 7000 |
| 2016 | Total Haloacetic Acids (HAA5) | MR | 2 | SDWIS / FL2554447 / 2456 |
| 2016 | TTHM | MR | 2 | SDWIS / FL2554447 / 2950 |
| 2015 | Coliform (TCR) | MCL | 9 | SDWIS / FL2554447 / 3100 |
| 2015 | Lead and Copper Rule | MR | 4 | SDWIS / FL2554447 / 5000 |
| 2004 | Coliform (TCR) | MR | 2 | SDWIS / FL2554447 / 3100 |
How Sjcu-Cr214 Mainland WTP Compares
Cross-reference this system's record against state averages and the federal MCL framework for context.
| Metric | Sjcu-Cr214 Mainland WTP | Florida avg | Federal benchmark |
|---|---|---|---|
| Total violations | 35 | 36.2 | SDWA compliance, any non-zero count is a recorded breach |
| Health-based violations | 9 | 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 | 66,953 | 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 (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 Sjcu-Cr214 Mainland WTP water safe to drink? ▼
How many people does Sjcu-Cr214 Mainland WTP serve? ▼
What type of violations does Sjcu-Cr214 Mainland WTP have? ▼
Has PFAS been detected in Sjcu-Cr214 Mainland WTP water? ▼
What water source does Sjcu-Cr214 Mainland WTP 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.