Public water system · OK2005765

Active

Walnut Creek Park

At a glance

Walnut Creek Park (PWSID OK2005765) is an active transient non-community water system in Osage County, Oklahoma. It reports serving 25 people through 78 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2025.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

Service connections

Primary source

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDOK2005765

System typeTransient non-community water system

Activity statusActive

Population served25

Service connections78

Primary water sourceGroundwater

Owner typeFederal government

Primacy agencyOK state drinking water program

City served—

StateOklahoma

ZIP—

CountyOsage County

How does Walnut Creek Park compare with other water systems in Osage County?

By EPA's size categories, Walnut Creek Park is a very small system (500 people or fewer). Osage County has 29 active public water systems. Its population served is well below the county average of 1,154 people per system, and accounts for less than 0.1% of the 33,457 people reported by systems filed under the county. Across Oklahoma, the 1,254 active systems average 2,907 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Walnut Creek Park is well 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. Oklahoma has 306 active transient non-community water systems, 24% 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 Walnut Creek Park?

EPA lists Walnut Creek Park as owned by the federal government. 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. 1 of the 29 active systems in Osage County (3.4%) are also owned by the federal government.

Does Walnut Creek Park have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2025. The violations listed here began between January 2013 and January 2025. By type: 7 monitoring and reporting and 5 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (5 of them). 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.

Began	Violation	Contaminant or rule	Health-based	Status
2025-01-01	MonitoringMonitoring, Additional Routine (RTCR) · code 3B	Revised Total Coliform Rulecode 8000	No	Resolved
2022-07-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2021-08-05	Monitoring and reportingMonitoring, Source Water (GWR) · code 34	E. colicode 3014	No	Resolved
2021-08-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2021-07-09	Monitoring and reportingMonitoring, Source Water (GWR) · code 34	E. colicode 3014	No	Resolved
2020-07-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2020-06-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2020-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitrate-Nitritecode 1038	No	Resolved
2018-10-24	Monitoring and reportingMonitoring, Source Water (GWR) · code 34	E. colicode 3014	No	Resolved
2017-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitrate-Nitritecode 1038	No	Resolved
2015-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitrate-Nitritecode 1038	No	Resolved
2013-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitrate-Nitritecode 1038	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.

Walnut Creek Park: frequently asked questions

Who runs Walnut Creek Park?

Walnut Creek Park (PWSID OK2005765) is a transient non-community water system owned by the federal government. It is regulated by the OK state drinking water program.

How many people does Walnut Creek Park serve?

Walnut Creek Park reports serving 25 people through 78 service connections in Osage County, Oklahoma.

Where does Walnut Creek Park 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 Walnut Creek Park 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 January 2025. 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 Walnut Creek Park'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 January 2025. For current results, consult EPA ECHO, or the OK state drinking water program.

Where can I find Walnut Creek Park's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Walnut Creek Park 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 Osage County

Water system	County	Population served	Type	Source
Skiatook Pwa	Osage	8,110	Community	Surface water
Osage Co Rwd #15	Osage	6,647	Community	Purchased surface water
Pawhuska	Osage	3,800	Community	Surface water
Hominy	Osage	2,584	Community	Surface water
Mccord Rwd #3	Osage	1,800	Community	Purchased surface water
Fairfax	Osage	1,555	Community	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, “Walnut Creek Park, PWSID OK2005765, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/walnut-creek-park-ok2005765 (data as of October 1, 2026).