Public water system · OK2001420

Active

Lake Thunderbird Sp Clear Bay

At a glance

Lake Thunderbird Sp Clear Bay (PWSID OK2001420) is an active transient non-community water system in Cleveland County, Oklahoma. It reports serving 500 people through 8 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in July 2025.

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

Population served

500

Service connections

Primary source

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDOK2001420

System typeTransient non-community water system

Activity statusActive

Population served500

Service connections8

Primary water sourceGroundwater

Owner typeState government

Primacy agencyOK state drinking water program

City served—

StateOklahoma

ZIP—

CountyCleveland County

How does Lake Thunderbird Sp Clear Bay compare with other water systems in Cleveland County?

By EPA's size categories, Lake Thunderbird Sp Clear Bay is a very small system (500 people or fewer). Cleveland County has 70 active public water systems. Its population served is well below the county average of 3,084 people per system, and accounts for 0.2% of the 215,909 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 Lake Thunderbird Sp Clear Bay is about 3.5 times 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 Lake Thunderbird Sp Clear Bay?

EPA lists Lake Thunderbird Sp Clear Bay as owned by a state 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. 7 of the 70 active systems in Cleveland County (10%) are also owned by a state government.

Does Lake Thunderbird Sp Clear Bay have drinking water violations?

EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in July 2025. The violations listed here began between May 2001 and July 2025. By type: 4 monitoring and reporting, 3 monitoring and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 9 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
2025-07-01	MonitoringMonitoring, Additional Routine (RTCR) · code 3B	Revised Total Coliform Rulecode 8000	No	Resolved
2024-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitrate-Nitritecode 1038	No	Resolved
2022-07-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2022-03-03	Monitoring and reportingMonitoring, Source Water (GWR) · code 34	E. colicode 3014	No	Resolved
2021-07-01	MonitoringMonitoring, Additional Routine (RTCR) · code 3B	Revised Total Coliform Rulecode 8000	No	Resolved
2011-04-01	Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24	Total coliform bacteria (TCR)code 3100	No	Resolved
2006-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2003-10-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2001-05-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved

All 9 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.

Lake Thunderbird Sp Clear Bay: frequently asked questions

Who runs Lake Thunderbird Sp Clear Bay?

Lake Thunderbird Sp Clear Bay (PWSID OK2001420) is a transient non-community water system owned by a state government. It is regulated by the OK state drinking water program.

How many people does Lake Thunderbird Sp Clear Bay serve?

Lake Thunderbird Sp Clear Bay reports serving 500 people through 8 service connections in Cleveland County, Oklahoma.

Where does Lake Thunderbird Sp Clear Bay 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 Lake Thunderbird Sp Clear Bay have any drinking water violations?

EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in July 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 Lake Thunderbird Sp Clear Bay'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 9 violations for this system; 2 are health-based, and the most recent began in July 2025. For current results, consult EPA ECHO, or the OK state drinking water program.

Where can I find Lake Thunderbird Sp Clear Bay's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Lake Thunderbird Sp Clear Bay 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 Cleveland County

Water system	County	Population served	Type	Source
Norman Utilities Authority	Cleveland	104,868	Community	Surface water
Moore Public Works Authority	Cleveland	55,083	Community	Purchased surface water
Oklahoma University	Cleveland	34,000	Community	Purchased surface water
Noble Utilities Authority	Cleveland	5,750	Community	Groundwater
Joseph Harp Corr Inst	Cleveland	3,000	Community	Groundwater
Lexington	Cleveland	2,086	Community	Groundwater

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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, “Lake Thunderbird Sp Clear Bay, PWSID OK2001420, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/lake-thunderbird-sp-clear-bay-ok2001420 (data as of October 1, 2026).