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Water system · PWSID FL5110183

MARCO ISLAND UTILITIES (CITY OF)

MARCO ISLAND, FL · ~31,830 people served

Check your exact address → MARCO ISLAND overview
43
Action needed
PurityRadar safety score

PWSID

FL5110183

State

Florida

City

MARCO ISLAND

Population served

31,830

Primary source

Surface water

Score history

▼ 57 points — the score moved from 100 to 43 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 43

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

Latest detections from EPA’s UCMR5 monitoring (through Aug 2024). Levels in parts per trillion (ppt).

PFOS

Perfluorooctanesulfonic acid

8 ppt

limit 4 ppt

Above EPA limit · 2.0×

PFOA

Perfluorooctanoic acid

6.6 ppt

limit 4 ppt

Above EPA limit · 1.6×

PFBA

9.2 ppt

limit —

No federal limit

PFPeA

8.6 ppt

limit —

No federal limit

PFHxA

6.2 ppt

limit —

No federal limit

PFBS

4.7 ppt

limit —

No federal limit

PFHpA

3.2 ppt

limit —

No federal limit

Violations & enforcement

11

Violations on record

0

Unaddressed

0

Health-based

30

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2025. Official EPA record →

Other · EPA contaminant 7000 began Jul 2024 Resolved
Monitoring · Lead & Copper Rule began Jun 2024 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2024 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2024 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2023 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2023 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2022 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2021 Resolved
Monitoring & reporting · EPA contaminant 0600 began Oct 2007 Resolved
Monitoring & reporting · Total coliform began May 2003 Resolved
Monitoring & reporting · Nitrate began Oct 1993 Resolved

Recent enforcement actions

  • State action · SOX Mar 2025
  • State action · SOX Aug 2024
  • State action · SOX Aug 2024
  • State action · SOX Aug 2024
  • State action · SOX Aug 2024
  • State action · SOX Aug 2024
  • State action · SOX Aug 2024
  • State action · SOX Nov 2022

This profile is built from EPA public records for system FL5110183 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.