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Community Water System · PWS FL2554471

Sjcu-Northwest Utilities WTP

St. Augustine, Florida 32084 - drinking water served from groundwater sources to 48,040 people, tracked in EPA SDWIS and UCMR5.

48,040
People served
10
EPA violations
4
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 10 drinking-water violations at Sjcu-Northwest Utilities WTP, 40% of them health-based - below the Florida per-system average.

10
Total EPA violations on record
40%
Health-based (MCL / treatment failure)
48,040
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sjcu-Northwest Utilities WTP

Sjcu-Northwest Utilities WTP is a local-owned community water system that delivers drinking water to 48,040 residents in St. Augustine, Florida (St. Johns County) through 17,742 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 10 total violations for this system , of which 4 (40%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 4 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 4 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-Northwest Utilities WTP's 10 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.

Population Served
48,040
Total Violations
10
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
17,742
County
St. Johns
School/Daycare
No
MCL Violations
4
Monitoring Violations
4
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 4 2013
Coliform (TCR) MR 3 2009
Consumer Confidence Rule Other 1 2024
Revised Total Coliform Rule MON 1 2025

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 58 samples detected PFAS.

Contaminant Date Result MRL Status
11Cl-PF3OUdS 9/11/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 9/11/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 9/11/2023 <6.00 ppt 6.00 ppt Not Detected
PFTA 9/11/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 9/11/2023 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 9/11/2023 <5.00 ppt 5.00 ppt Not Detected
NFDHA 9/11/2023 <20.00 ppt 20.00 ppt Not Detected
PFEESA 9/11/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/11/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 9/11/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 9/11/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 9/11/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/11/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 9/11/2023 <5.00 ppt 5.00 ppt Not Detected
PFHxA 9/11/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/11/2023 <5.00 ppt 5.00 ppt Not Detected
PFPeS 9/11/2023 <4.00 ppt 4.00 ppt Not Detected
9Cl-PF3ONS 9/11/2023 <2.00 ppt 2.00 ppt Not Detected
PFUnA 9/11/2023 <2.00 ppt 2.00 ppt Not Detected
PFHpS 9/11/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/11/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 9/11/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 9/11/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 9/11/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 9/11/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 9/11/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 9/11/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 9/11/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 9/11/2023 <5.00 ppt 5.00 ppt Not Detected
PFBS 3/7/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 3/7/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 3/7/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 3/7/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 3/7/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 3/7/2023 <4.00 ppt 4.00 ppt Not Detected
PFUnA 3/7/2023 <2.00 ppt 2.00 ppt Not Detected
PFHxS 3/7/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 3/7/2023 <2.00 ppt 2.00 ppt Not Detected
NMeFOSAA 3/7/2023 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 3/7/2023 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 3/7/2023 <7.00 ppt 7.00 ppt Not Detected
PFTA 3/7/2023 <8.00 ppt 8.00 ppt Not Detected
PFNA 3/7/2023 <4.00 ppt 4.00 ppt Not Detected
PFMPA 3/7/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 3/7/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 3/7/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 3/7/2023 <20.00 ppt 20.00 ppt Not Detected
PFEESA 3/7/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 3/7/2023 <5.00 ppt 5.00 ppt Not Detected
PFPeA 3/7/2023 <3.00 ppt 3.00 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-Northwest Utilities WTP.

Federal Source of Truth

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 FL2554471 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Florida Drinking Water Authority

Florida Department of Environmental Protection, Drinking Water Program is the primacy agency that licenses and inspects Sjcu-Northwest Utilities WTP under EPA-delegated authority.

Open FL regulator portal

Source: 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 1 SDWIS / FL2554471 / 8000
2024 Consumer Confidence Rule Other 1 SDWIS / FL2554471 / 7000
2013 Coliform (TCR) MCL 4 SDWIS / FL2554471 / 3100
2009 Coliform (TCR) MR 3 SDWIS / FL2554471 / 3100

How Sjcu-Northwest Utilities WTP Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Sjcu-Northwest Utilities WTP Florida avg Federal benchmark
Total violations 10 36.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 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 48,040 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-Northwest Utilities WTP water safe to drink?
Sjcu-Northwest Utilities WTP (PWS ID: FL2554471) has 10 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 48,040 people using Groundwater sources.
How many people does Sjcu-Northwest Utilities WTP serve?
Sjcu-Northwest Utilities WTP serves 48,040 people in St. Augustine, Florida. It is a Local-owned system using Groundwater water sources with 17,742 service connections.
What type of violations does Sjcu-Northwest Utilities WTP have?
Sjcu-Northwest Utilities WTP has 10 total violations: 4 health-based violations (MCL exceedances or treatment failures), 4 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sjcu-Northwest Utilities WTP water?
No. Sjcu-Northwest Utilities WTP was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Sjcu-Northwest Utilities WTP use?
Sjcu-Northwest Utilities WTP uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

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.