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Community Water System · PWS FL2451179

Hilliard WTP

Hilliard, Florida 32046 - drinking water served from groundwater sources to 3,036 people, tracked in EPA SDWIS and UCMR5.

3,036
People served
51
EPA violations
7
Health-based
Untested
UCMR5 result

The verdict

EPA records 51 drinking-water violations at Hilliard WTP, 14% of them health-based - above the Florida per-system average.

51
Total EPA violations on record
14%
Health-based (MCL / treatment failure)
3,036
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hilliard WTP

Hilliard WTP is a local-owned community water system that delivers drinking water to 3,036 residents in Hilliard, Florida (Nassau County) through 1,141 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 51 total violations for this system , of which 7 (14%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 31 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 E. COLI, recorded in 6 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. Statewide, 218 of 402 UCMR5-tested systems have reported PFAS detections (54.2%).

Hilliard WTP's 51 violations sit above 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
3,036
Total Violations
51
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,141
County
Nassau
School/Daycare
No
MCL Violations
7
Monitoring Violations
31
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
E. COLI MR 6 2025
Revised Total Coliform Rule MON 5 2020
Coliform (TCR) MR 5 2005
TTHM MCL 4 2015
Gross Alpha, Excl. Radon and U MR 4 1987
Nitrate MR 4 2014
Lead and Copper Rule MR 3 2015
Coliform (TCR) MCL 3 1998
Fluoride MR 2 2002
Consumer Confidence Rule Other 2 2025
Total Haloacetic Acids (HAA5) MR 1 2025
Revised Total Coliform Rule RPT 1 2025
TTHM MR 1 2025

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 Hilliard 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 FL2451179 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 Hilliard 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 E. COLI MR 6 SDWIS / FL2451179 / 3014
2025 Consumer Confidence Rule Other 2 SDWIS / FL2451179 / 7000
2025 Total Haloacetic Acids (HAA5) MR 1 SDWIS / FL2451179 / 2456
2025 Revised Total Coliform Rule RPT 1 SDWIS / FL2451179 / 8000
2025 TTHM MR 1 SDWIS / FL2451179 / 2950
2020 Revised Total Coliform Rule MON 5 SDWIS / FL2451179 / 8000
2015 TTHM MCL 4 SDWIS / FL2451179 / 2950
2015 Lead and Copper Rule MR 3 SDWIS / FL2451179 / 5000
2014 Nitrate MR 4 SDWIS / FL2451179 / 1040
2005 Coliform (TCR) MR 5 SDWIS / FL2451179 / 3100
2002 Fluoride MR 2 SDWIS / FL2451179 / 1025
1998 Coliform (TCR) MCL 3 SDWIS / FL2451179 / 3100
1987 Gross Alpha, Excl. Radon and U MR 4 SDWIS / FL2451179 / 4000

How Hilliard WTP Compares

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

Metric Hilliard WTP Florida avg Federal benchmark
Total violations 51 36.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 7 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 3,036 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 Hilliard WTP water safe to drink? ▼
Hilliard WTP (PWS ID: FL2451179) has 51 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,036 people using Groundwater sources.
How many people does Hilliard WTP serve? ▼
Hilliard WTP serves 3,036 people in Hilliard, Florida. It is a Local-owned system using Groundwater water sources with 1,141 service connections.
What type of violations does Hilliard WTP have? ▼
Hilliard WTP has 51 total violations: 7 health-based violations (MCL exceedances or treatment failures), 31 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hilliard WTP water? ▼
No PFAS testing data is available for Hilliard WTP under the EPA's UCMR5 monitoring program.
What water source does Hilliard WTP use? ▼
Hilliard 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. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

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.