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Water system · PWSID FL4130871

MDWASA - MAIN SYSTEM

MIAMI, FL · ~2,377,460 people served

Check your exact address → MIAMI overview
51
Fair
PurityRadar safety score

PWSID

FL4130871

State

Florida

City

MIAMI

Population served

2,377,460

Primary source

Groundwater

Score history

▼ 49 points — the score moved from 100 to 51 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 51

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 May 2024). Levels in parts per trillion (ppt).

PFOS

Perfluorooctanesulfonic acid

11 ppt

limit 4 ppt

Above EPA limit · 2.8×

PFOA

Perfluorooctanoic acid

4.4 ppt

limit 4 ppt

Above EPA limit · 1.1×

PFNA

Perfluorononanoic acid

4.7 ppt

limit 10 ppt

Below EPA limit

PFHxS

Perfluorohexanesulfonic acid

3 ppt

limit 10 ppt

Below EPA limit

PFBA

11 ppt

limit —

No federal limit

PFPeA

11 ppt

limit —

No federal limit

8:2 FTS

9.6 ppt

limit —

No federal limit

6:2 FTS

7.9 ppt

limit —

No federal limit

PFHxA

7.2 ppt

limit —

No federal limit

PFBS

4.6 ppt

limit —

No federal limit

PFHpA

3.7 ppt

limit —

No federal limit

Violations & enforcement

4

Violations on record

0

Unaddressed

0

Health-based

17

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Apr 2024. Official EPA record →

Monitoring · Lead & Copper Rule began Dec 2023 Resolved
Monitoring · Lead & Copper Rule began Oct 2023 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2020 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1992 Resolved

Recent enforcement actions

  • State action · SOX Apr 2024
  • State action · SOX Nov 2020
  • State action · SOX Aug 2004
  • State action · SIC Jun 1996
  • State action · SOX May 1996
  • State action · SFH May 1996
  • EPA/federal action · EOX Jun 1993
  • EPA/federal action · EOX Jan 1993

This profile is built from EPA public records for system FL4130871 — 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.