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Public water system · MO2010623

Active

Palmyra Pws

At a glance

Palmyra Pws (PWSID MO2010623) is an active community water system in Marion County, Missouri. It reports serving 3,595 people through 1,638 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2020.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

3,595

Service connections

1,638

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMO2010623
System typeCommunity water system
Activity statusActive
Population served3,595
Service connections1,638
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyMO state drinking water program
City servedPalmyra
StateMissouri
ZIP—
CountyMarion County

How does Palmyra Pws compare with other water systems in Marion County?

By EPA's size categories, Palmyra Pws is a medium system (3,301 to 10,000 people). Marion County has 4 active public water systems, and Palmyra Pws is the 3rd-largest of them by population served. Its population served is about 44% below the county average of 6,414 people per system, and accounts for 14% of the 25,655 people reported by systems filed under the county. Across Missouri, the 2,943 active systems average 2,049 people each. Nationally, the average active community water system reports serving 6,703 people, so Palmyra Pws is about half of that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Missouri has 1,612 active community water systems, 55% of the state's 2,943 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,521 Missouri systems (86%) list groundwater as their primary source.

Who owns and regulates Palmyra Pws?

EPA lists Palmyra Pws as owned by a local government. The MO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 3 of the 4 active systems in Marion County (75%) are also owned by a local government.

Does Palmyra Pws have drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2020. By type: 1 public notice, recordkeeping or other. The contaminant or rule involved is Consumer Confidence Rule. EPA lists 1 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

BeganViolationContaminant or ruleHealth-basedStatus
2020-07-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved

The one violation in EPA's records.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Palmyra Pws: frequently asked questions

Who runs Palmyra Pws?

Palmyra Pws (PWSID MO2010623) is a community water system owned by a local government. It is regulated by the MO state drinking water program.

How many people does Palmyra Pws serve?

Palmyra Pws reports serving 3,595 people through 1,638 service connections in Marion County, Missouri.

Where does Palmyra Pws get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Palmyra Pws have any drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2020. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Palmyra Pws' water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.

Where can I find Palmyra Pws' water quality report?

As a community water system, Palmyra Pws must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Marion County

Water systemCountyPopulation servedTypeSource
Hannibal PwsMarion17,108CommunitySurface water
Marion County Pwsd 1Marion4,900CommunityPurchased surface water
Blue Water S Resort, LLCMarion52Transient non-communityGroundwater

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Palmyra Pws, PWSID MO2010623, Missouri”, https://aquacensus.com/water-systems/missouri/palmyra-pws-mo2010623 (data as of October 1, 2026).