MO1010508
MO
No open health violations

Maryville Pws

Surface water · Local · 415 N MARKET, PO BOX 438

Overall Risk Level

Moderate Concern

No Concern
Low
Moderate
High
Critical

Contaminants detected within limits but elevated. Consider filtration.

Utility Overview

Population Served

10,775

Source Type

Surface water

Ownership

Local

PWSID

MO1010508

Detected Contaminants

CCR data ingestion in progress

Contaminant detection levels from Consumer Confidence Reports are being parsed and linked to utilities. Check back soon, or view the official report directly from the EPA links below.

View on EPA ECHO

Violation History

Sourced from EPA SDWIS. Health-based violations mean a contaminant exceeded the legal limit. Monitoring/Reporting violations mean required test results were not submitted to EPA — not necessarily that the water is unsafe.

Treatment Technique

Resolved
Dec 2022 – Feb 2023Health-basedCode 0800

MCL Violation

Resolved
Mar 2024 – Apr 2024Health-basedCode 1009

MCL Violation

Resolved
Feb 2024 – Apr 2024Health-basedCode 1009

Treatment Technique

Resolved
Dec 2025 – Apr 2026Health-basedCode 0300

8 additional monitoring/reporting failures

Required test submissions not filed with EPA — no contaminant data recorded. These are administrative failures, not health violations.

Filtration Recommendations

Based on the overall risk level, these treatment methods are most relevant for residents.

Related Pages

Data Sources & Provenance

All data on this page is sourced from official U.S. government or public datasets.

EPA ECHO — Water System & Compliance ReportPWSID MO1010508View source
EPA CCR — Consumer Confidence ReportsView source
Last updated: 2026-04-19
High Confidence
Annual refresh cycle

At a Glance

PWSIDMO1010508
StateMissouri
Risk Levelmoderate
Population Served10,775
Open Health Violations0

Service area match is likely but not guaranteed. Your water bill is the most reliable way to confirm your provider.