PlainWater

Community Water System · PWS FL4430624

South Martin Regional Utilities

Hobe Sound, Florida 33475 - drinking water served from groundwater sources to 27,000 people, tracked in EPA SDWIS and UCMR5.

27,000
People served
122
EPA violations
0
Health-based
6 PFAS
UCMR5 result

The verdict

EPA records 122 drinking-water violations at South Martin Regional Utilities - above the Florida per-system average, and UCMR5 testing detected 6 PFAS compounds.

122
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
27,000
People served by this system
6
PFAS compounds detected (UCMR5)

Water Quality Snapshot: South Martin Regional Utilities

South Martin Regional Utilities is a local-owned community water system that delivers drinking water to 27,000 residents in Hobe Sound, Florida (Martin County) through 9,000 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 122 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 91 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 19 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 6 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 13 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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%).

South Martin Regional Utilities's 122 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.

PFAS Detected

6 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
27,000
Total Violations
122
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
9,000
County
Martin
School/Daycare
No
MCL Violations
0
Monitoring Violations
91
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
E. COLI MR 19 2025
Revised Total Coliform Rule MON 17 2025
Coliform (TCR) MR 9 2000
Nitrate MR 6 1997
Selenium MR 5 1984
Fluoride MR 5 1984
Cadmium MR 5 1984
Arsenic MR 5 1984
Mercury MR 5 1984
Barium MR 5 1984
Chromium MR 5 1984
Consumer Confidence Rule Other 4 2024
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 2010
Lead and Copper Rule MR 1 2018
TTHM MR 1 2024
Total Haloacetic Acids (HAA5) MR 1 2024

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 12 of 91 samples detected PFAS.

Contaminant Date Result MRL Status
PFTA 9/4/2024 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 9/4/2024 <7.00 ppt 7.00 ppt Not Detected
NMeFOSAA 9/4/2024 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 9/4/2024 <5.00 ppt 5.00 ppt Not Detected
PFTA 9/4/2024 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 9/4/2024 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 9/4/2024 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 9/4/2024 <6.00 ppt 6.00 ppt Not Detected
PFHxA 7/31/2024 <3.00 ppt 3.00 ppt Not Detected
PFBA 7/31/2024 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 7/31/2024 <5.00 ppt 5.00 ppt Not Detected
PFOA 7/31/2024 4.10 ppt 4.00 ppt Detected
ADONA 7/31/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 7/31/2024 <2.00 ppt 2.00 ppt Not Detected
PFDA 7/31/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 7/31/2024 <2.00 ppt 2.00 ppt Not Detected
PFDoA 7/31/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/31/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 7/31/2024 <3.00 ppt 3.00 ppt Not Detected
PFOS 7/31/2024 11.00 ppt 4.00 ppt Detected
PFNA 7/31/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxS 7/31/2024 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 7/31/2024 <5.00 ppt 5.00 ppt Not Detected
PFHpS 7/31/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/31/2024 4.60 ppt 3.00 ppt Detected
PFMPA 7/31/2024 <4.00 ppt 4.00 ppt Not Detected
6:2 FTS 7/31/2024 <5.00 ppt 5.00 ppt Not Detected
PFPeS 7/31/2024 <4.00 ppt 4.00 ppt Not Detected
NFDHA 7/31/2024 <20.00 ppt 20.00 ppt Not Detected
PFEESA 7/31/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeA 7/31/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 7/31/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/31/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 5/30/2024 8.00 ppt 4.00 ppt Detected
PFPeA 5/30/2024 4.40 ppt 3.00 ppt Detected
11Cl-PF3OUdS 5/30/2024 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 5/30/2024 <2.00 ppt 2.00 ppt Not Detected
ADONA 5/30/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 5/30/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 5/30/2024 <5.00 ppt 5.00 ppt Not Detected
PFUnA 5/30/2024 <2.00 ppt 2.00 ppt Not Detected
8:2 FTS 5/30/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 5/30/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 5/30/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 5/30/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 5/30/2024 <20.00 ppt 20.00 ppt Not Detected
PFPeS 5/30/2024 <4.00 ppt 4.00 ppt Not Detected
PFHpS 5/30/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 5/30/2024 <4.00 ppt 4.00 ppt Not Detected
6:2 FTS 5/30/2024 <5.00 ppt 5.00 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 South Martin Regional Utilities.

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 FL4430624 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 South Martin Regional Utilities 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 19 SDWIS / FL4430624 / 3014
2025 Revised Total Coliform Rule MON 17 SDWIS / FL4430624 / 8000
2024 Consumer Confidence Rule Other 4 SDWIS / FL4430624 / 7000
2024 TTHM MR 1 SDWIS / FL4430624 / 2950
2024 Total Haloacetic Acids (HAA5) MR 1 SDWIS / FL4430624 / 2456
2018 Lead and Copper Rule MR 1 SDWIS / FL4430624 / 5000
2010 Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 SDWIS / FL4430624 / 0600
2000 Coliform (TCR) MR 9 SDWIS / FL4430624 / 3100
1997 Nitrate MR 6 SDWIS / FL4430624 / 1040
1984 Selenium MR 5 SDWIS / FL4430624 / 1045
1984 Fluoride MR 5 SDWIS / FL4430624 / 1025
1984 Cadmium MR 5 SDWIS / FL4430624 / 1015
1984 Arsenic MR 5 SDWIS / FL4430624 / 1005
1984 Mercury MR 5 SDWIS / FL4430624 / 1035
1984 Barium MR 5 SDWIS / FL4430624 / 1010

How South Martin Regional Utilities Compares

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

Metric South Martin Regional Utilities Florida avg Federal benchmark
Total violations 122 36.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 4.8 Indicates a contaminant exceeded a federal MCL
PFAS detection 6 compounds 54.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 27,000 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 South Martin Regional Utilities water safe to drink?
South Martin Regional Utilities (PWS ID: FL4430624) has 122 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 6 PFAS compounds found. This system serves 27,000 people using Groundwater sources.
How many people does South Martin Regional Utilities serve?
South Martin Regional Utilities serves 27,000 people in Hobe Sound, Florida. It is a Local-owned system using Groundwater water sources with 9,000 service connections.
What type of violations does South Martin Regional Utilities have?
South Martin Regional Utilities has 122 total violations: 0 health-based violations (MCL exceedances or treatment failures), 91 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in South Martin Regional Utilities water?
Yes. UCMR5 testing detected 6 PFAS compounds in South Martin Regional Utilities's water supply: PFOA, PFOS, PFBS, PFPeA, PFHxS, and others. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does South Martin Regional Utilities use?
South Martin Regional Utilities 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.