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Water system · PWSID MO2024495

PUTNAM COUNTY PWSD 1

UNIONVILLE, MO · ~2,997 people served

Check your exact address → UNIONVILLE overview
100
Excellent
PurityRadar safety score

PWSID

MO2024495

State

Missouri

City

UNIONVILLE

Population served

2,997

Primary source

SWP

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

6

Violations on record

0

Unaddressed

5

Health-based

22

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2019. Official EPA record →

Monitoring · Lead & Copper Rule began Jun 2017 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2016 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2016 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2016 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2015 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2015 Resolved

Recent enforcement actions

  • State action · SOX Jan 2019
  • State action · SIF Sep 2017
  • State action · SIE Jul 2017
  • State action · SIA Jul 2017
  • State action · SOX Feb 2017
  • State action · SIF Jan 2017
  • State action · SIE Nov 2016
  • State action · SFJ Nov 2016

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

2 stations · latest Sep 2023

0.551 · max 9.93 mg/l as N · 144

Manganese

7 stations · latest Jan 2026

376 · max 2,390 ug/L · 28

Arsenic

2 stations · latest Oct 2023

1.2 · max 2.3 ug/l · 24

Copper

2 stations · latest Oct 2023

1.15 · max 3.2 ug/l · 24

Lead

1 station · latest Oct 2023

0.31 · max 30.8 ug/l · 19

Fluoride

1 station · latest Oct 2023

0.21 · max 0.28 mg/l · 12

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 MO2024495 — 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.