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Public water system · MO5292984

Active

7 Express

At a glance

7 Express (PWSID MO5292984) is an active transient non-community water system in Camden County, Missouri. It reports serving 100 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in January 2026.

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

Population served

100

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMO5292984
System typeTransient non-community water system
Activity statusActive
Population served100
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMO state drinking water program
City servedClimax Springs
StateMissouri
ZIP—
CountyCamden County

How does 7 Express compare with other water systems in Camden County?

By EPA's size categories, 7 Express is a very small system (500 people or fewer). Camden County has 226 active public water systems. Its population served is about 60% below the county average of 250 people per system, and accounts for 0.2% of the 56,563 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 7 Express is about 31% 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 7 Express?

EPA lists 7 Express as privately owned. 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. 206 of the 226 active systems in Camden County (91%) are also privately owned.

Does 7 Express have drinking water violations?

EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in January 2026. The violations listed here began between January 2009 and January 2026. By type: 3 monitoring and reporting, 1 monitoring, 1 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Nitrate-Nitrite (2 of them). EPA lists 5 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2026-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2025-01-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoArchived
2014-03-20Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2014-03-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2014-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2009-01-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved

All 6 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.

7 Express: frequently asked questions

Who runs 7 Express?

7 Express (PWSID MO5292984) is a transient non-community water system privately owned. It is regulated by the MO state drinking water program.

How many people does 7 Express serve?

7 Express reports serving 100 people through 1 service connection in Camden County, Missouri.

Where does 7 Express 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 7 Express have any drinking water violations?

EPA's records list 6 violations for this system; 1 is 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 7 Express' 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 6 violations for this system; 1 is 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 7 Express' water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. 7 Express 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 Camden County

Water systemCountyPopulation servedTypeSource
Camden County Pwsd 4 Horseshoe BendCamden7,912CommunityGroundwater
Camdenton PwsCamden3,960CommunityGroundwater
Osage Beach Premium OutletsCamden3,100Non-transient non-communityGroundwater
Osage Beach East PwsCamden2,611CommunityGroundwater
Big Surf Waterpark Inc.Camden2,500Transient non-communityGroundwater
Camden County Pwsd #4 Shawnee BendCamden2,065CommunityGroundwater

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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, “7 Express, PWSID MO5292984, Missouri”, https://aquacensus.com/water-systems/missouri/7-express-mo5292984 (data as of October 1, 2026).