Public water system · OK2005534
ActiveHolliday Outt MHP
At a glance
Holliday Outt MHP (PWSID OK2005534) is an active community water system in Oklahoma County, Oklahoma. It reports serving 100 people through 57 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, one is health-based, and the most recent began in February 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
100
Service connections
57
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Holliday Outt MHP compare with other water systems in Oklahoma County?
By EPA's size categories, Holliday Outt MHP is a very small system (500 people or fewer). Oklahoma County has 113 active public water systems. Its population served is well below the county average of 7,828 people per system, and accounts for less than 0.1% of the 884,508 people reported by systems filed under the county. Across Oklahoma, the 1,254 active systems average 2,907 people each. Nationally, the average active community water system reports serving 6,703 people, so Holliday Outt MHP is well below 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. Oklahoma has 864 active community water systems, 69% 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 Holliday Outt MHP?
EPA lists Holliday Outt MHP 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. 93 of the 113 active systems in Oklahoma County (82%) are also privately owned.
Does Holliday Outt MHP have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in February 2026. The violations listed here began between January 2023 and February 2026. By type: 9 monitoring and reporting, 1 reporting, 1 required treatment not met and 1 monitoring. The contaminant or rule involved most often is E. coli (4 of them). EPA lists 9 as resolved and 3 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-02-25 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Unaddressed |
| 2026-01-28 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Unaddressed |
| 2025-12-24 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Unaddressed |
| 2025-12-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2024-12-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2023-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2023-07-25 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
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.
Holliday Outt MHP: frequently asked questions
Who runs Holliday Outt MHP?
Holliday Outt MHP (PWSID OK2005534) is a community water system privately owned. It is regulated by the OK state drinking water program.
How many people does Holliday Outt MHP serve?
Holliday Outt MHP reports serving 100 people through 57 service connections in Oklahoma County, Oklahoma.
Where does Holliday Outt MHP 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 Holliday Outt MHP have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in February 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 Holliday Outt MHP'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, one is health-based, and the most recent began in February 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the OK state drinking water program.
Where can I find Holliday Outt MHP's water quality report?
As a community water system, Holliday Outt MHP 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 Oklahoma County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Oklahoma City | Oklahoma | 644,000 | Community | Surface water |
| Edmond Pwa | Oklahoma | 79,408 | Community | Surface water |
| Midwest City | Oklahoma | 55,935 | Community | Surface water |
| Tinker Air Force Base | Oklahoma | 24,645 | Community | Groundwater |
| Del City | Oklahoma | 22,128 | Community | Surface water |
| Bethany | Oklahoma | 20,307 | Community | Groundwater under influence of surface water |
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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, “Holliday Outt MHP, PWSID OK2005534, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/holliday-outt-mhp-ok2005534 (data as of October 1, 2026).