CAMDEN COUNTY PWSD #4 SHAWNEE BEND

LAKE OZARK, MO · ~2,065 people served

Check your exact address → LAKE OZARK overview

100

Excellent

PurityRadar safety score

PWSID

MO3031201

State

Missouri

City

LAKE OZARK

Population served

2,065

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 Nov 2025. Official EPA record →

Other · EPA contaminant 7000 began Jul 2025 Resolved

Other · EPA contaminant 7500 began Mar 2025 Resolved

Reporting · EPA contaminant 5200 began Oct 2024 Resolved

Monitoring & reporting · Lead & Copper Rule began Oct 2024 Resolved

Reporting · Lead & Copper Rule began Aug 2024 Resolved

Reporting · Lead & Copper Rule began Jul 2024 Resolved

Monitoring · Lead & Copper Rule began Jan 2024 Resolved

Other · EPA contaminant 7000 began Jul 2006 Resolved

Recent enforcement actions

State action · SOX Nov 2025
State action · SFJ Nov 2025
State action · SIA Oct 2025
State action · SIE Oct 2025
State action · SOX Apr 2025
State action · SIF Mar 2025
State action · SIF Mar 2025
State action · SIF Mar 2025

Area water-quality monitoring

Environmental monitoring (rivers, wells, intakes) recorded in this system’s service area in the EPA/USGS Water Quality Portal since 2018 — source/ambient water, not finished tap water. Context for the watershed, not a reading from your tap.

ContaminantMedian · max · samples

Nitrate

1 station · latest Sep 2024

0.0425 · max 0.797 mg/L · 20

Source: Water Quality Portal (EPA/USGS/state agencies). Values are as-reported and aren’t health thresholds.

This profile is built from EPA public records for system MO3031201 — 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.