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Water system · PWSID FL3424651

OCALA HEIGHTS S/D

DES PERES, MO · ~1,045 people served

Check your exact address → DES PERES overview
55
Fair
PurityRadar safety score

PWSID

FL3424651

State

Missouri

City

DES PERES

Population served

1,045

Primary source

Groundwater

Score history

▼ 45 points — the score moved from 100 to 55 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 55

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 2025). Levels in parts per trillion (ppt).

PFOS

Perfluorooctanesulfonic acid

6.4 ppt

limit 4 ppt

Above EPA limit · 1.6×

PFOA

Perfluorooctanoic acid

6.2 ppt

limit 4 ppt

Above EPA limit · 1.5×

PFHxS

Perfluorohexanesulfonic acid

4.3 ppt

limit 10 ppt

Below EPA limit

PFBS

5.8 ppt

limit —

No federal limit

PFPeA

5.5 ppt

limit —

No federal limit

PFHxA

4.2 ppt

limit —

No federal limit

Violations & enforcement

11

Violations on record

1

Unaddressed

0

Health-based

34

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2004 Unaddressed
Monitoring & reporting · EPA contaminant 3014 began Aug 2023 Resolved
Monitoring & reporting · EPA contaminant 3014 began Oct 2020 Resolved
Monitoring · Lead & Copper Rule began Oct 2020 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2019 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2019 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2017 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2017 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2016 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2016 Resolved
Monitoring & reporting · Gross alpha began Oct 1986 Resolved

Recent enforcement actions

  • State action · SFL Aug 2024
  • State action · SIA Feb 2024
  • State action · SOX Nov 2023
  • State action · SIF Oct 2023
  • State action · SOX Dec 2020
  • State action · SOX Jan 2020
  • State action · SIF Jan 2020
  • State action · SIC Nov 2019

This profile is built from EPA public records for system FL3424651 — 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.