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Public water system · MO3120156

Active

Harry S Truman State Park Office

At a glance

Harry S Truman State Park Office (PWSID MO3120156) is an active transient non-community water system in Benton County, Missouri. It reports serving 94 people through 4 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 10 violations for this system; 5 are health-based, and the most recent began in January 2026.

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

Population served

94

Service connections

4

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMO3120156
System typeTransient non-community water system
Activity statusActive
Population served94
Service connections4
Primary water sourceGroundwater
Owner typeState government
Primacy agencyMO state drinking water program
City served—
StateMissouri
ZIP—
CountyBenton County

How does Harry S Truman State Park Office compare with other water systems in Benton County?

By EPA's size categories, Harry S Truman State Park Office is a very small system (500 people or fewer). Benton County has 83 active public water systems. Its population served is about 42% below the county average of 163 people per system, and accounts for 0.7% of the 13,544 people reported by systems filed under the county. Across Missouri, the 2,943 active systems average 2,049 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Harry S Truman State Park Office is about 35% below that figure.

What does “transient non-community water system” mean?

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Missouri has 1,103 active transient non-community water systems, 37% 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 Harry S Truman State Park Office?

EPA lists Harry S Truman State Park Office as owned by a state 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 83 active systems in Benton County (3.6%) are also owned by a state government.

Does Harry S Truman State Park Office have drinking water violations?

EPA's records list 10 violations for this system; 5 are health-based, and the most recent began in January 2026. The violations listed here began between September 1992 and January 2026. By type: 4 contaminant level above the legal limit, 4 monitoring and reporting, 1 required treatment not met and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (8 of them). EPA lists 10 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
2026-01-11Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2ARevised Total Coliform Rulecode 8000YesResolved
2019-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2012-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2009-12-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2009-11-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2009-05-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2009-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2007-06-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1998-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1992-09-15Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

All 10 violations in EPA's records, newest first.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.

Harry S Truman State Park Office: frequently asked questions

Who runs Harry S Truman State Park Office?

Harry S Truman State Park Office (PWSID MO3120156) is a transient non-community water system owned by a state government. It is regulated by the MO state drinking water program.

How many people does Harry S Truman State Park Office serve?

Harry S Truman State Park Office reports serving 94 people through 4 service connections in Benton County, Missouri.

Where does Harry S Truman State Park Office 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 Harry S Truman State Park Office have any drinking water violations?

EPA's records list 10 violations for this system; 5 are health-based, and the most recent began in January 2026. 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 Harry S Truman State Park Office's 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 10 violations for this system; 5 are health-based, and the most recent began in January 2026. For current results, consult EPA ECHO, or the MO state drinking water program.

Where can I find Harry S Truman State Park Office's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Harry S Truman State Park Office is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

Other water systems in Benton County

Water systemCountyPopulation servedTypeSource
Warsaw PwsBenton2,402CommunityGroundwater
Cole Camp PwsBenton1,150CommunityGroundwater
Lincoln PwsBenton1,100CommunityGroundwater
Warsaw R Ix High SchoolBenton605Non-transient non-communityGroundwater
Sterett Creek VillageBenton505CommunityGroundwater
Harry S Truman State Park CampgrdBenton500Transient 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, “Harry S Truman State Park Office, PWSID MO3120156, Missouri”, https://aquacensus.com/water-systems/missouri/harry-s-truman-state-park-office-mo3120156 (data as of October 1, 2026).