Public water system · OK2001408
ActiveJoseph Harp Corr Inst
At a glance
Joseph Harp Corr Inst (PWSID OK2001408) is an active community water system in Cleveland County, Oklahoma. It reports serving 3,000 people through 34 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,000
Service connections
34
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Joseph Harp Corr Inst compare with other water systems in Cleveland County?
By EPA's size categories, Joseph Harp Corr Inst is a small system (501 to 3,300 people). Cleveland County has 70 active public water systems, and Joseph Harp Corr Inst is the 5th-largest of them by population served. Its population served is roughly in line with the county average of 3,084 people per system, and accounts for 1.4% 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 community water system reports serving 6,703 people, so Joseph Harp Corr Inst is about 55% 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 Joseph Harp Corr Inst?
EPA lists Joseph Harp Corr Inst 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 Joseph Harp Corr Inst have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2025. The violations listed here began between December 2024 and November 2025. By type: 8 monitoring and reporting and 4 monitoring. The contaminant or rule involved most often is Chlorine (4 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 |
|---|---|---|---|---|
| 2025-11-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2025-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross Beta Particle Activitycode 4100 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 2025-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-02-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2025-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2024-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-12-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | 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.
Joseph Harp Corr Inst: frequently asked questions
Who runs Joseph Harp Corr Inst?
Joseph Harp Corr Inst (PWSID OK2001408) is a community water system owned by a state government. It is regulated by the OK state drinking water program.
How many people does Joseph Harp Corr Inst serve?
Joseph Harp Corr Inst reports serving 3,000 people through 34 service connections in Cleveland County, Oklahoma.
Where does Joseph Harp Corr Inst 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 Joseph Harp Corr Inst 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 November 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 Joseph Harp Corr Inst'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 November 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the OK state drinking water program.
Where can I find Joseph Harp Corr Inst's water quality report?
As a community water system, Joseph Harp Corr Inst 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 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 |
| Lexington | Cleveland | 2,086 | Community | Groundwater |
| Little Axe School | Cleveland | 1,400 | Non-transient non-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, “Joseph Harp Corr Inst, PWSID OK2001408, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/joseph-harp-corr-inst-ok2001408 (data as of October 1, 2026).