Public water system · OK1020418
ActiveTulsa
At a glance
Tulsa (PWSID OK1020418) is an active community water system in Tulsa County, Oklahoma. It reports serving 413,000 people through 162,343 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
413,000
Service connections
162,343
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Tulsa compare with other water systems in Tulsa County?
By EPA's size categories, Tulsa is a very large system (more than 100,000 people). Tulsa County has 12 active public water systems, and Tulsa is the largest of them by population served. Its population served is about 7.7 times the county average of 53,907 people per system, and accounts for 64% of the 646,878 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 Tulsa is about 62 times 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 175 Oklahoma systems (14%) list surface water as their primary source.
Who owns and regulates Tulsa?
EPA lists Tulsa as owned by a local 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. 10 of the 12 active systems in Tulsa County (83%) are also owned by a local government.
Does Tulsa have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2018. The violations listed here began between January 2017 and April 2018. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Carbon, total (2 of them). EPA lists 12 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2018-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Archived |
| 2018-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylbenzenecode 2992 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toluenecode 2991 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | cis-1,2-Dichloroethylenecode 2380 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,2-Trichloroethanecode 2985 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | No | Archived |
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.
Tulsa: frequently asked questions
Who runs Tulsa?
Tulsa (PWSID OK1020418) is a community water system owned by a local government. It is regulated by the OK state drinking water program.
How many people does Tulsa serve?
Tulsa reports serving 413,000 people through 162,343 service connections in Tulsa County, Oklahoma.
Where does Tulsa get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Tulsa 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 April 2018. 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 Tulsa'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 April 2018. For current results, consult the system's annual water quality report, EPA ECHO, or the OK state drinking water program.
Where can I find Tulsa's water quality report?
As a community water system, Tulsa 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 Tulsa County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Broken Arrow Municipal Authority | Tulsa | 116,330 | Community | Surface water |
| Sand Springs | Tulsa | 28,774 | Community | Surface water |
| Washington Co Rwd #3 (New,#1) | Tulsa | 25,375 | Community | Surface water |
| Owasso | Tulsa | 23,000 | Community | Purchased surface water |
| Jenks Pwa | Tulsa | 16,924 | Community | Purchased surface water |
| Glenpool Water | Tulsa | 12,500 | Community | Purchased 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, “Tulsa, PWSID OK1020418, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/tulsa-ok1020418 (data as of October 1, 2026).