HILLTOP AT LAKE WEIR

DES PERES, MO · ~595 people served

Check your exact address → DES PERES overview

100

Excellent

PurityRadar safety score

PWSID

FL3424662

State

Missouri

City

DES PERES

Population served

595

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

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

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

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2025 Unaddressed

Monitoring & reporting · EPA contaminant 3014 began Apr 2024 Unaddressed

Other · EPA contaminant 7000 began Jul 2004 Unaddressed

Monitoring & reporting · EPA contaminant 3014 began Jun 2024 Resolved

Monitoring · Lead & Copper Rule began Jun 2024 Resolved

Monitoring & reporting · Nitrate began Jan 1994 Resolved

Monitoring & reporting · Gross alpha began Nov 1986 Resolved

Recent enforcement actions

State action · SOX Aug 2024
State action · SIE Jul 2024
State action · SOX Aug 2004
State action · SOX Jun 1998
State action · SIA Dec 1997
State action · SOX Nov 1997
State action · SIA Feb 1997
State action · SIA Nov 1996

This profile is built from EPA public records for system FL3424662 — 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.