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Public water system · OK2003524

Active

Sundowner Trailer

At a glance

Sundowner Trailer (PWSID OK2003524) is an active non-transient non-community water system in Johnston County, Oklahoma. It reports serving 450 people through 11 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2021.

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

Population served

450

Service connections

11

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDOK2003524
System typeNon-transient non-community water system
Activity statusActive
Population served450
Service connections11
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyOK state drinking water program
City served—
StateOklahoma
ZIP—
CountyJohnston County

How does Sundowner Trailer compare with other water systems in Johnston County?

By EPA's size categories, Sundowner Trailer is a very small system (500 people or fewer). Johnston County has 13 active public water systems. Its population served is about 43% below the county average of 792 people per system, and accounts for 4.4% of the 10,296 people reported by systems filed under the county. Across Oklahoma, the 1,254 active systems average 2,907 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Sundowner Trailer is roughly in line with that figure.

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

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Oklahoma has 84 active non-transient non-community water systems, 6.7% of the state's 1,254 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 701 Oklahoma systems (56%) list groundwater as their primary source.

Who owns and regulates Sundowner Trailer?

EPA lists Sundowner Trailer as privately owned. The OK 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 13 active systems in Johnston County (23%) are also privately owned.

Does Sundowner Trailer have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2021. The violations listed here began between July 2021 and July 2021. By type: 12 monitoring and reporting. The contaminants or rules involved are Heptachlor, Glyphosate, Ethylene dibromide (EDB) and Endrin. EPA lists 12 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
2021-07-01Monitoring and reportingMonitoring, Regular · code 03Heptachlorcode 2065NoResolved
2021-07-01Monitoring and reportingMonitoring, Regular · code 03Glyphosatecode 2034NoResolved
2021-07-01Monitoring and reportingMonitoring, Regular · code 03Ethylene dibromide (EDB)code 2946NoResolved
2021-07-01Monitoring and reportingMonitoring, Regular · code 03Endrincode 2005NoResolved
2021-07-01Monitoring and reportingMonitoring, Regular · code 03Methoxychlorcode 2015NoResolved
2021-07-01Monitoring and reportingMonitoring, Regular · code 03Di(2-ethylhexyl) phthalatecode 2039NoResolved
2021-07-01Monitoring and reportingMonitoring, Regular · code 03Polychlorinated biphenyls (PCBs), totalcode 2383NoResolved
2021-07-01Monitoring and reportingMonitoring, Regular · code 03Oxamylcode 2036NoResolved
2021-07-01Monitoring and reportingMonitoring, Regular · code 03Chlordanecode 2959NoResolved
2021-07-01Monitoring and reportingMonitoring, Regular · code 03Alachlor (Lasso)code 2051NoResolved
2021-07-01Monitoring and reportingMonitoring, Regular · code 03Carbofurancode 2046NoResolved
2021-07-01Monitoring and reportingMonitoring, Regular · code 03Lindane (gamma-BHC)code 2010NoResolved

The 12 most recent 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.

Sundowner Trailer: frequently asked questions

Who runs Sundowner Trailer?

Sundowner Trailer (PWSID OK2003524) is a non-transient non-community water system privately owned. It is regulated by the OK state drinking water program.

How many people does Sundowner Trailer serve?

Sundowner Trailer reports serving 450 people through 11 service connections in Johnston County, Oklahoma.

Where does Sundowner Trailer 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 Sundowner Trailer have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2021. 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 Sundowner Trailer'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2021. For current results, consult EPA ECHO, or the OK state drinking water program.

Where can I find Sundowner Trailer's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Sundowner Trailer is a non-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 Johnston County

Water systemCountyPopulation servedTypeSource
Tishomingo Municipal AuthorityJohnston3,000CommunitySurface water
Johnston Co Rwd #3Johnston2,783CommunityGroundwater
Murray State CollegeJohnston1,150CommunitySurface water
Johnston Co Rws& Swmd #4Johnston600CommunityGroundwater
Mannsville Public Works AuthorityJohnston587CommunityGroundwater
RaviaJohnston459CommunityGroundwater

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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, “Sundowner Trailer, PWSID OK2003524, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/sundowner-trailer-ok2003524 (data as of October 1, 2026).